1,542 Application Developer jobs in the United Kingdom
Software Application Developer
Posted 7 days ago
Job Viewed
Job Description
At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.
**Role Overview**
This post will expand the software development team in the UK office to meet the demands of new and existing programs. The post holder will work alongside a highly experienced chief software engineer in a team of two, with minimal supervision but with access to support and guidance when needed.
You will play a leading role in the design, documentation, development and maintenance of architectures, requirements, algorithms, interfaces and designs for complex software systems. You will develop and maintain code, and integrate software components into a fully functional software system. You will assist with test procedures to ensure software system requirements are met. A key element of the role is to problem-solve and troubleshoot software, database and middleware issues in live production systems.
**Responsibilities:**
+ Leads the development, documentation and maintenance of software application architectures in order to meet customer, functional, and/or regulatory requirements, quality objectives, and constraints specific to the applicable domain and available technology.
+ Provides technical leadership for projects including schedules, plans, and estimates. Prioritizes tasks and leads reviews. Assists Project Managers with risk management and progress reviews.
+ Develops software designs and algorithms. Defines external interfaces. Leads trade studies. Ensures application of best practices.
+ Reviews statements of work, translates user requirements into system requirements, processes and tasks and produces estimates.
+ Manages relationships with customers and suppliers and contacts suppliers and subcontractors to exchange technical data and to discuss project performance. Participates in the development of fundamental approaches to projects and requirements for implementation.
+ Leads development, maintenance, and unit tests for complex software applications. Leads architecture decisions and best practice implementations using current and emerging technologies. Participates in internal/external design reviews.
+ Leads integration/test efforts of complex software applications.
+ Leads development, selection, tailoring, and continuous integration and continuous delivery of software.
+ Provides expertise on resolution of operational and integration issues to external customers. Supports issue resolution, leads root cause analysis for all software issues, identifies opportunities and implements process improvements.
**Preferred Experience**
+ Previously experience providing technical leadership for projects including schedules, plans, and estimates is desirable.
+ Experience in either aviation or defence would be desirable.
+ Proficient computer skills, use of the Microsoft Office suite.
+ Be an effective team member
**Benefits**
The benefits package goes above and beyond, focusing on your physical, emotional, financial and social well-being. Here's a snapshot of what we offer:
+ Competitive salary and annual incentive plans
+ Continuous learning - you'll develop the approach and skills to navigate whatever comes next
+ Success as defined by you - we'll provide the tools and flexibility, so you can make a meaningful impact, your way
+ Inclusive culture - you'll be embraced for who you are and empowered to use your voice to help others find theirs
+ 25 days plus UK public holidays
+ Pension Plan with up to 10% employer contribution
+ Company paid BUPA Medical Plan (single coverage)
+ 4x annual salary life insurance
+ Learning Together Programme to support your on-going personal and career development
+ Access to the company Well Being programs, tools and incentives
**Security Clearance and Eligibility**
Important information regarding this role: This role is for a locally hired position in the UK and candidates must have current legal authorisation to work immediately in the UK. Boeing will not attempt to obtain immigration and / or labour sponsorship for any applicants. Benefits and pay are determined at the local level and are not part of Boeing US based payroll.
This position requires the ability to obtain a UK security clearance (SC) for which UK residency is required. All information will be checked and verified.
Applications for this position will be accepted until **Aug. 13, 2025**
**Export Control Details:** Non - US based job
**Relocation**
Relocation assistance is not a negotiable benefit for this position.
**Security Clearance**
This position requires the ability to obtain United Kingdom Security Check.
**Visa Sponsorship**
Employer will not sponsor applicants for employment visa status.
**Shift**
Not a Shift Worker (United Kingdom)
**Equal Opportunity Employer:**
We are an equal opportunity employer. We do not accept unlawful discrimination in our recruitment or employment practices on any grounds including but not limited to; race, color, ethnicity, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military and veteran status, or other characteristics covered by applicable law.
We have teams in more than 65 countries, and each person plays a role in helping us become one of the world's most innovative, diverse and inclusive companies. We are a Disability Confident Committed employer and welcome applications from candidates with disabilities. Applicants are encouraged to share with our recruitment team any accommodations required during the recruitment process. Accommodations may include but are not limited to: conducting interviews in accessible locations that accommodate mobility needs, encouraging candidates to bring and use any existing assistive technology such as screen readers and offering flexible interview formats such as virtual or phone interviews.
Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.
Application Developer
Posted 4 days ago
Job Viewed
Job Description
Your new company
You will be joining a fantastic Public Sector organisation who are utilising Power Platform and PowerAutomate to automate within the organisation to make improvements, enabling time and funds to be saved and utilised in other areas.
Purpose of your role
As an Application Developer, you will be responsible for
- Developing interfaces to existing systems that enhance the end user's experience
- Build new applications that deliver efficiency and modernisation to the organisation.
- You will need to interpret systems already in use within the organisation to gather an understanding of their functionality.
Day-to-day typical duties
- Using Microsoft Power Platform and PowerAutomate, building Canvas and Model driven Apps to design and develop applications that deliver modernisation and efficiency to the organisation
- To be forward-thinking and proactive in suggesting future enhancements that could benefit the organisation
What you'll need to succeed
- Minimum of two years' hands-on experience with Power Platform development - including PowerAutomate, and building Canvas Apps and Model Driven Apps
- Living within commuting distance of Hampshire
- Advantageous to have experience with Portal and Power Pages, but not essential
What you'll get in return
- Hybrid working - one day together in the office once a fortnight
- Great pension and benefits package including Local Government Pension, 29 days annual leave, plus bank holidays
- Support in gaining certifications/ qualifications in Power Platform
- Free onsite parking
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)
Application Developer
Posted 5 days ago
Job Viewed
Job Description
We are seeking Mid-Level Application Software Engineers to join our clients growing team where you’ll play a key role in designing and developing cutting-edge software for audio and live performance technology, collaborating with a supportive and dynamic team dedicated to enhancing the live experience for artists and audiences alike.
What You’ll Do
- Develop and maintain desktop applications for audio and live performance environments li>Work on cross-platform solutions for Embedded Linux, macOS, and iOS
- Collaborate in Agile teams, contributing to sprint planning, code reviews, and CI/CD pipelines
- Build intuitive graphical user interfaces (GUI) with Qt/QtQuick
- Integrate networking features using TCP/IP for seamless device communication
- Support the evolution of products that shape the sound of live performances globally
What We're Looking For
- Strong proficiency in C++ and C#
- Experience with multithreading and complex, concurrent software systems
- Familiarity with cross-platform desktop development (Embedded Linux/macOS/iOS)
- Understanding of Agile methodologies, CI/CD, and version control
- Networking knowledge (TCP/IP)
- Bonus: Experience or interest in Delphi, Flutter, and full-stack development
- Appreciation for audio mixing technology and live streaming
- Interest in hardware/software integration (FPGA/embedded systems)
You’ll Thrive Here If You…
- Are self-motivated, proactive, and eager to solve complex problems
- Communicate effectively and enjoy collaborating in a team
- Bring prior experience in audio technology or related fields (a plus, not a must)
Why Join?
- Innovative Culture: Help develop new products and enhance existing solutions at the forefront of audio technology
- Real-World Impact: Your work will be used by leading audio professionals on stages and in studios around the world
- Career Growth: Structured progression and opportunities to make a tangible impact
- Work-Life Balance: Flexible hours and a hybrid office model
- Collaborative Team: Work alongside passionate engineers dedicated to delivering the best in live audio technology
If you’re excited about shaping the future of live performance technology and want to work with a team that shares your passion for audio and music, apply now!
Application Developer
Posted 9 days ago
Job Viewed
Job Description
ECS Resource Group are currently working in partnership with a global managed service provider who's end client is in the Manufacturing sector. We are assisting them with the search for a Applications Developer on a contract basis. This is a contract that is inside IR35 and is based on-site every day in Dumfries & Galloway, Scotland.
Key Responsibilities:
Modify and enhance the legacy MES system to integrate with SAP and SAP Middleware.
Develop and maintain integration components using .NET (C#, VB, ASP) and REST/WEB APIs.
Analyse and optimise SQL queries to ensure efficient data exchange between MES and SAP.
Collaborate with cross-functional IT teams to align integration efforts and resolve technical issues.
Support and troubleshoot interactions between AS/400-based MES and modern SAP infrastructure
Key Skills:
Strong experience in Microsoft .NET development (C#, VB, ASP.NET).
Proficient in Microsoft SQL for data manipulation and integration.
Solid understanding of RESTful APIs and Web Services for system connectivity.
Experience working with AS/400 systems, particularly in manufacturing or MES environments.
Ability to bridge legacy and modern systems with clear documentation and clean code practices.
Further job details available upon application.
Please note, due to internal capabilities it will be difficult for us to take internal calls regarding your application - please direct all queries to (url removed) , and they will be responded to, alongside your application ASAP. If you haven't received a response within 1 working day, please call the direct line which is (phone number removed).
ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.
Application Developer
Posted 2 days ago
Job Viewed
Job Description
We are seeking Mid-Level Application Software Engineers to join our clients growing team where you’ll play a key role in designing and developing cutting-edge software for audio and live performance technology, collaborating with a supportive and dynamic team dedicated to enhancing the live experience for artists and audiences alike.
What You’ll Do
- Develop and maintain desktop applications for audio and live performance environments li>Work on cross-platform solutions for Embedded Linux, macOS, and iOS
- Collaborate in Agile teams, contributing to sprint planning, code reviews, and CI/CD pipelines
- Build intuitive graphical user interfaces (GUI) with Qt/QtQuick
- Integrate networking features using TCP/IP for seamless device communication
- Support the evolution of products that shape the sound of live performances globally
What We're Looking For
- Strong proficiency in C++ and C#
- Experience with multithreading and complex, concurrent software systems
- Familiarity with cross-platform desktop development (Embedded Linux/macOS/iOS)
- Understanding of Agile methodologies, CI/CD, and version control
- Networking knowledge (TCP/IP)
- Bonus: Experience or interest in Delphi, Flutter, and full-stack development
- Appreciation for audio mixing technology and live streaming
- Interest in hardware/software integration (FPGA/embedded systems)
You’ll Thrive Here If You…
- Are self-motivated, proactive, and eager to solve complex problems
- Communicate effectively and enjoy collaborating in a team
- Bring prior experience in audio technology or related fields (a plus, not a must)
Why Join?
- Innovative Culture: Help develop new products and enhance existing solutions at the forefront of audio technology
- Real-World Impact: Your work will be used by leading audio professionals on stages and in studios around the world
- Career Growth: Structured progression and opportunities to make a tangible impact
- Work-Life Balance: Flexible hours and a hybrid office model
- Collaborative Team: Work alongside passionate engineers dedicated to delivering the best in live audio technology
If you’re excited about shaping the future of live performance technology and want to work with a team that shares your passion for audio and music, apply now!
Application Developer
Posted 2 days ago
Job Viewed
Job Description
ECS Resource Group are currently working in partnership with a global managed service provider who's end client is in the Manufacturing sector. We are assisting them with the search for a Applications Developer on a contract basis. This is a contract that is inside IR35 and is based on-site every day in Dumfries & Galloway, Scotland.
Key Responsibilities:
Modify and enhance the legacy MES system to integrate with SAP and SAP Middleware.
Develop and maintain integration components using .NET (C#, VB, ASP) and REST/WEB APIs.
Analyse and optimise SQL queries to ensure efficient data exchange between MES and SAP.
Collaborate with cross-functional IT teams to align integration efforts and resolve technical issues.
Support and troubleshoot interactions between AS/400-based MES and modern SAP infrastructure
Key Skills:
Strong experience in Microsoft .NET development (C#, VB, ASP.NET).
Proficient in Microsoft SQL for data manipulation and integration.
Solid understanding of RESTful APIs and Web Services for system connectivity.
Experience working with AS/400 systems, particularly in manufacturing or MES environments.
Ability to bridge legacy and modern systems with clear documentation and clean code practices.
Further job details available upon application.
Please note, due to internal capabilities it will be difficult for us to take internal calls regarding your application - please direct all queries to (url removed) , and they will be responded to, alongside your application ASAP. If you haven't received a response within 1 working day, please call the direct line which is (phone number removed).
ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.
Application Developer
Posted 2 days ago
Job Viewed
Job Description
Your new company
You will be joining a fantastic Public Sector organisation who are utilising Power Platform and PowerAutomate to automate within the organisation to make improvements, enabling time and funds to be saved and utilised in other areas.
Purpose of your role
As an Application Developer, you will be responsible for
- Developing interfaces to existing systems that enhance the end user's experience
- Build new applications that deliver efficiency and modernisation to the organisation.
- You will need to interpret systems already in use within the organisation to gather an understanding of their functionality.
Day-to-day typical duties
- Using Microsoft Power Platform and PowerAutomate, building Canvas and Model driven Apps to design and develop applications that deliver modernisation and efficiency to the organisation
- To be forward-thinking and proactive in suggesting future enhancements that could benefit the organisation
What you'll need to succeed
- Minimum of two years' hands-on experience with Power Platform development - including PowerAutomate, and building Canvas Apps and Model Driven Apps
- Living within commuting distance of Hampshire
- Advantageous to have experience with Portal and Power Pages, but not essential
What you'll get in return
- Hybrid working - one day together in the office once a fortnight
- Great pension and benefits package including Local Government Pension, 29 days annual leave, plus bank holidays
- Support in gaining certifications/ qualifications in Power Platform
- Free onsite parking
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)
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Application Developer
Posted 1 day ago
Job Viewed
Job Description
A career at Janus Henderson is more than a job, it's about investing in a brighter future together.
Our Mission at Janus Henderson is to help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class service. We will do this by protecting and growing our core business, amplifying our strengths and diversifying where we have the right.
Our Values are key to driving our success, and are at the heart of everything we do:
Clients Come First - Always | Execution Supersedes Intention | Together We Win | Diversity Improves Results | Truth Builds Trust
If our mission, values, and purpose align with your own, we would love to hear from you!
Your opportunity
As Application Developer, you will be responsible for defining and developing business and systems solutions as well as leading ongoing support for existing ones. You will be an integral member of the Product Master IT Team, working closely with business partners, vendors and other IT Product delivery team members to ensure full delivery of the product lifecycle.
+ Research, design, develop, test, debug, document and support custom .NET applications and Data Warehouse solutions in support of the business needs.
+ Partner with the Product Owner, business stakeholders, and IT delivery team members to deliver and support technology solutions.
+ Deliver to time-sensitive product release schedules by collaborating with team members in an agile development environment.
+ Produce technical specifications and release notes for required features and architectural/framework improvements.
+ Provide ongoing change management including training and documentation updates.
+ Collaborate closely with the wider technology teams to coordinate interdependencies, resolve issues, and understand overlaps of teams and applications.
Must have skills
+ Proven experience in the IT field with hands-on experience in system architecture and enterprise data.
+ Proficient with programming languages (C#, ASP.NET.NET Core, SQL).
+ Demonstrated experience in working with REST APIs.
+ Demonstrated experience in working with Cloud data warehouse like Databricks and Snowflake.
+ Demonstrated experience in working with modern cloud data and DevOps techniques.
+ Strong understanding of Agile methodologies with experience working on Agile delivery teams.
+ Exceptional communication skills with the ability to communicate appropriately with both business leadership and technical teams.
+ Fair understanding of Microsoft technology stack. Specifically: C#, Web APIs, SQL Server, Entity Framework, Visual Studio.
+ Understanding of differences between standard and .NET core platform.
Nice to have skills
+ Knowledge of the Asset Management business, preferably in Distribution and Marketing.
+ An enthusiasm for software development and acquiring new skills and knowledge, both in the technology and investments arenas.
+ An exposure to collaboration tools such as Git / Source control, JIRA, Confluence and Teams.
+ UI / front end development skills using web technologies.
What to expect when you join our firm
+ Hybrid working and reasonable accommodations
+ Generous Holiday policies
+ Excellent Health and Wellbeing benefits including corporate membership to ClassPass
+ Paid volunteer time to step away from your desk and into the community
+ Support to grow through professional development courses, tuition/qualification reimbursement and more
+ All-inclusive approach to Diversity, Equity and Inclusion
+ Maternal/paternal leave benefits and family services
+ Complimentary subscription to Headspace - the mindfulness app
+ All employee events including networking opportunities and social activities
+ Lunch allowance for use within our subsidized onsite canteen
Supervisory responsibilities
+ No
Potential for growth
+ Mentoring
+ Leadership development programs
+ Regular training
+ Career development services
+ Continuing education courses
You will be expected to understand the regulatory obligations of the firm, and abide by the regulated entity requirements and JHI policies applicable for your role.
At Janus Henderson Investors we're committed to an inclusive and supportive environment. We believe diversity improves results and we welcome applications from all backgrounds. Don't worry if you don't think you tick every box, we still want to hear from you! We understand everyone has different commitments and while we can't accommodate every flexible working request we're happy to be asked about work flexibility and our hybrid working environment. If you need any reasonable accommodations during our recruitment process, please get in touch and let us know at
LI-LN1, #LI-Hybrid
Janus Henderson (including its subsidiaries) will not maintain existing or sponsor new industry registrations or licenses where not supported by an employee's job functions (as determined by Janus Henderson at its sole discretion).
All applicants must be willing to comply with the provisions of Janus Henderson Investment Advisory Code of Ethics related to personal securities activities and other disclosure and certification requirements, including past political contributions and political activities. Applicants' past political contributions or activity may impact applicants' eligibility for this position. Janus Henderson is an equal opportunity /Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. All applications are subject to background checks.
Application Developer
Posted 2 days ago
Job Viewed
Job Description
In this role, you'll work in one of our IBM Consulting Client Innovation Centres (Delivery Centres), where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centres offer our clients locally based skills and technical expertise to drive innovation and adoption of new technology.
A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe. You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio, including Software and Red Hat.
Curiosity and a constant quest for knowledge serve as the foundation to success in IBM Consulting. In your role, you'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions resulting in ground-breaking impact for a wide network of clients. Our culture of evolution and empathy centres on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.
We offer:
* Regular and frequent promotion and progression opportunities to ensure you can drive and develop your career with us
* Feedback and checkpoints throughout the year; no one off annual reviews here
* A multitude of training opportunities from classroom to e-learning, mentoring and coaching programs as well as the chance to gain industry recognized certifications
* Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks
* A culture where your ideas for growth and innovation are always welcome
* Internal recognition programs for peer-to-peer appreciation as well as from manager to employees
* Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, 1 month paid paternity leave, 16 weeks fully paid maternity leave and an innovative maternity returners scheme
* More traditional benefits, such as 25 days holiday, a gym discount scheme, online shopping discounts, an Employee Assistance Program, a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.
**Your role and responsibilities**
An Application Developer with expertise in Java and Web Technologies is responsible for designing, developing, and supporting applications based on the Java/JEE technology stack.
They utilize Java frameworks and languages such as Ruby, or Groovy for web development. This role focuses on enterprise application development, implementing transaction management, managing Java objects, and integrating enterprise systems.
Key areas of expertise include dependency injection, inversion of control, aspect-oriented programming, functional programming, test-driven development, data access frameworks, transaction management frameworks, and batch processing. Proficiency in DevOps methodologies and tools is also essential for this role.
**Required technical and professional expertise**
We are seeking a motivated and talented Junior Java/Python Developer to join our agile team focusing on data-driven projects. The ideal candidate will have a strong foundation in Java and Python programming a passion for working with data and a willingness to learn and grow in a fast-paced collaborative environment.
As an equal opportunities' employer, we welcome applications from individuals of all backgrounds. However, for you to be eligible for this role, you must have the valid right to work in the UK. Unfortunately, we do not offer visa sponsorship and have no future plans to do so. You must be a resident in the UK and have been living continuously in the UK for the last 5 years. You must be able to hold or gain a UK government security clearance.
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.
Application Developer
Posted 6 days ago
Job Viewed
Job Description
At Everest Systems, we’re transforming how enterprises manage inventory, warehousing, and logistics within their ERP environments. As an Application Developer focused on Inventory Management, you’ll be at the forefront of that transformation, designing smart, AI-assisted features that power real-world supply chains. You’ll collaborate with talented engineers and product leaders to build intuitive, high-performance tools for everything from stock tracking and shipping logistics to barcode integration and freight optimization. If you’re passionate about clean code, seamless user experiences, and innovating with cutting-edge AI tools, we want to hear from you.
What you get to do
- Develop, implement, and maintain application features within our ERP system, specifically for inventory, warehouse, and freight management.
- Collaborate with product managers and other engineers to define requirements and deliver high-quality solutions.
- Write clean, efficient, and well-documented code, utilizing AI-assisted development tools such as Windsurf, Augment, Claude Code, or similar platforms.
- Participate in code reviews and contribute to a collaborative development environment.
- Debug and troubleshoot issues, ensuring the stability and performance of our applications.
- Contribute to the continuous improvement of our development processes and tools, with a focus on leveraging AI to enhance productivity and code quality.
What you need
- Bachelor's Degree in Computer Science or a related technical field, or equivalent practical experience.
- Proven experience in ERP development.
- Strong understanding and experience with inventory management, warehouse management, and freight management processes and systems, including but not limited to:
- Stock tracking and optimization
- Order fulfillment (picking, packing, shipping)
- Receiving and put-away processes
- Warehouse layout and slotting
- Logistics and transportation planning
- Returns management
- Barcode and RFID integration
- Proficiency in coding languages such as TypeScript, JavaScript (React), or Python.
- An eagerness to adapt and integrate new AI-assisted development tools into your workflow.
- Experience building customer-facing products.
- Strong problem-solving skills and attention to detail.
- Excellent communication and teamwork abilities.
- Fluency in English.
What you have already done
- 3+ years experience as a SWE
- A Bachelor's Degree in Computer Science or a related technical field, or equivalent practical experience
- An understanding of application lifecycle and the implications for an application platform running in production in the cloud is beneficial, but not necessary.
- Significant experience with ERP systems, specifically in developing and managing features related to inventory, warehouse and logistics.
- Experience gathering requirements or feedback directly from end-users is beneficial.