Explore a wide array of developer jobs across the UK. Opportunities span diverse programming languages and frameworks, with roles in 4,759 Developer jobs in the United Kingdom
Developer
Posted today
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Contract Opportunity – WebMethods Developer / Administrator
Location: Remote (UK-based only)
Duration: 6 months (possible extension)
IR35: Inside IR35
Security Clearance: Sole UK nationals only – must have lived in the UK for the last 5 years. SC clearance or willingness to obtain.
Are you a WebMethods expert who thrives on solving integration challenges? This is your chance to join a high-performing team, work on exciting projects, and make a real impact — all while working remotely from anywhere in the UK.
What You’ll Be Doing
- Designing, developing, and deploying cutting-edge integrations using WebMethods 10.
- Driving automation with DevOps toolsets for testing and deployment.
- Troubleshooting and resolving complex integration issues.
- Administering WebMethods environments using Command Central for patching, monitoring, and optimisation.
- Collaborating closely with stakeholders to capture requirements and design solutions that deliver real value.
Must Have skills
- Hands-on experience with WebMethods 9 and 10 integration delivery.
- Strong knowledge of JMS Queues, SAP Adaptors, SFTP, HTTPS, JSON, XML, and SOAP.
- Experience in WebMethods administration, including patch management and capacity monitoring.
- Understanding of automated testing and CI/CD pipelines.
- Excellent communication skills and the ability to work with both technical and non-technical teams.
Why You’ll Love This Role
- 100% remote working – no commute, no office politics.
- Work on diverse, challenging projects where your skills make an immediate difference.
- Join a collaborative, supportive team that values innovation.
- Competitive daily rate inside IR35, via an FCSA-accredited umbrella.
Start Date: 1st September 2025
If you’re ready to take on a new challenge and put your WebMethods expertise to work, apply today and be part of something impactful.
Developer
Posted 3 days ago
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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 a Developer within the Operations and Regulatory Technology team you be responsible for designing, developing and maintaining software used to support Janus Henderson's Regulatory obligations.
+ To support the development of these applications you will be required to understand building of new cloud-based applications (Azure, Microsoft Stack, Angular), databases (Azure SQL Server, Snowflake), and supporting functionality to meet business stakeholder and regulatory requirements.
+ Using Agile project methodologies, you will work as part of a team to deliver change covering the full project Lifecyle from project initiation through to test execution and Go Live, adhering to product release delivery schedules working as a collaborative team member in an agile development environment.
+ This is a hands-on technical role where you will be required to research, design, develop, test, debug, document and support custom Regulatory applications in support of business needs.
+ Partnering with the Regulatory Reporting team as well as other impacted stakeholders, you will be instrumental in agreeing and implementing changes to our operating model to ensure we continue to meet our regulatory requirements. You will also be required to produce technical specifications and release notes for required features and architectural/framework improvements so excellent communication skills is a must.
+ You will actively participate in code design and code reviews with appropriate team members as well as requirements and design meetings.
+ You will need to ensure that all code adheres to vendor best practice and strict standards for accessibility, security, object-oriented practices and performance.
+ Carry out additional duties as assigned.
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.
+ 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
Must have skills
+ Experience in C# and Angular, solid understanding of OOP, and full-stack development including Azure DevOps
+ Experience in Azure including Functions, Resource Groups, Service Bus, Storage, and additional resource types
+ Proficiency in SQL across SQL Server and/or Snowflake to analyse, investigate, optimize data retrieval, and build out requirements as needed.
+ Understanding of data, specifically related to asset management regulatory and investment areas
+ Understanding of Agile delivery methodologies
+ Ability to design and deliver complex systems at scale
+ Excellent communication, presentation, influencing, and reasoning skills, demonstrating the ability to communicate information technology concepts to non-technology personnel
+ Problem solving / analysis - ability to understand complex issues and to then identify and effectively communicate solutions, taking ownership of the problem through to successful resolution
+ Experience of working in a global environment managing stakeholders across the globe
Nice to have skills
+ Databricks and Python development experience beneficial
+ Experience of micro-service development and API development
+ Craftsman-like approach to building software; takes pride in engineering excellence and instils these values in others
+ Demonstrable passion for technology e.g. personal projects, open-source involvement
+ Intellectually robust with a keenly analytic approach to problem solving
+ Self-organized with the ability to effectively manage time across multiple projects and with competing business demands and priorities
+ Focused on delivering value to the business with relentless efforts to improve process
+ Strong interpersonal skills; able to establish and maintain a close working relationship with team members and senior business stakeholders alike
+ Confident communicator: able to argue a point concisely and deal positively with conflicting views.
+ Ability to communicate information technology concepts to non-technology personnel
+ Problem ownership - takes responsibility for identified issues and works to resolve in a pragmatic manner
+ Client focused, committed to excellence, strong attention to detail and a team player
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 candidates 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-LN2 #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.
Developer
Posted today
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Are you passionate about buildinginteractive maps ,data-rich dashboards , andintuitive user experiences ? We're looking for a skilledFull-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development.
? Tech Stack You'll Work With:Database: PostgreSQL + PostGIS
Backend: Node.js, Python, .NET (or equivalent) API development
Frontend: JavaScript, Ma.
WHJS1_UKTJ
Developer
Posted 6 days ago
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Job Description
Developer, Nottingham Office
- Permanent, Full-time, Hybrid
About LEAP
LEAP is the leading provider of Legal Practice Productivity Solutions in the world and is part of ATI – one of the largest international LegalTech companies. For more than 30 years, our curiosity and commitment to continual improvement have kept us reimagining productivity tools for lawyers and their staff to support our guiding purpose, to ‘Help lawyers who help people’. The market-leading software we develop and support is used by more than 100,000 lawyers and their staff in small and medium-sized law firms.
LEAP Estates is the Private Client specialist division of LEAP. We operate as our own independent business unit, as well as providing support to the wider LEAP business. Focusing on this area of law only has enabled us to deliver innovative solutions and award-winning software to our growing user base.
Meet the Innovations Team
At the core of LEAP’s success is our market leading software, and our Innovations Team are the architects, coders, and creators keeping our legal software at the cutting edge of what’s possible.
Working alongside a dynamic and passionate team of law and technology experts alike, you’ll harness your technical aptitude and curiosity to understand our client's needs and translate them into innovative software solutions.
This is an exciting opportunity to work at the frontier of the technology space and make a powerful impact by streamlining our customer's ways of working and giving them space to do more for their clients. A place where your unique perspective and a little human touch will do wonders, not just for lawyers who help people, but in shaping the future of legal technology.
Requirements
Our Stack:
- Backend - PHP (Laravel)
- Frontend - Javascript (Vue.js, React.js)
- Design - Bootstrap & TailwindCSS
- Devops – AWS, Digital Ocean, Forge
What you'll do
- Write testable, optimal and clean code.
- Preform code reviews for peers.
- Planning and designing of software solutions.
- Prioritising own workload, allowing for urgent support requests.
- Undertaking in daily Huddles and weekly sprint planning and review meetings.
- Communicating any blockers efficiently and timely.
What you'll bring
- Over 3 years of experience in server management and web development.
- Experienced in leading and mentoring developers across varying skill levels.
- Skilled in writing comprehensive tests to maintain product reliability and security.
- Proven ability to work autonomously and make confident decisions during development.
- Experience working with and managing developers of various skill levels, including mentorship.
- Expertise with Cloud Infrastructure (DigitalOcean / AWS).
- Strong knowledge of MySQL and database design.
- Experienced with Git for version control.
- Familiarity with continuous integration implementation.
- Knowledge of C# is a plus, but not mandatory.
LEAP is an inclusive, people-first company committed to breaking down institutional barriers that keep people from reaching their potential. If you meet some, but not all of the requirements above, we encourage you to still submit your application.
Benefits
What you'll get
On top of a competitive salary and commission structure, we also offer an excellent benefits package:
- Friendly, supportive and driven culture
- LEAP pays 8% of your salary into your pension
- Private Health Insurance, including optical and dental
- £80 a month gym contribution
- Life Insurance cover
- Employee Assistance Program
- Generous Professional Development Fund
- Enhanced Parental Leave
- PerkBox membership
- Cycle to work scheme
- 25 days holiday (plus 8
Software Developer
Posted today
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Job Description
Software Developer
Bristol
SNBG 7 -10
An excellent opportunity has arisen for a Software Developer to join our team in Bristol.
At Rolls-Royce we are pioneers of power. When we talk about innovation within this business, it's essential we demonstrate how we do this. We don't just imagine great possibilities - we push boundaries at every stage and bring our innovative ideas to life through impressive engineering. This is how we create brilliance, which we should sell by letting the facts speak for themselves.
We're the second largest global provider of defence aero-engine products and services globally with 16,000 military engines. Rolls-Royce has customers in more than 150 countries, comprising more than 400 airlines and leasing customers, 160 armed forces and more than 5,000 power and nuclear customers. From combat to transport, from trainers to helicopters, our engines and pioneering service solutions ensure that our Defence customers have world-leading engine technology available, whatever the mission demands.
As an integral partner in the Tempest programme, the programme to develop the next generation of combat aircraft, we're developing innovative capabilities and technologies to revolutionise air power.
A fantastic opportunity has arisen in our Test Facility Design team to join this exciting world class team in preparation for our future programmes including Tempest which will provide successful applicants with opportunities to expand their knowledge across all areas of gas turbine operation and development testing.
Key Accountabilities
Develop software for measurement systems from a user requirement to maturity.Investigate and troubleshoot existing systems.Introduce appropriate technology and latest standards into existing designs with a view to improving efficiency and effectiveness.Maintain and develop our Active Directory Network in use on the test site.Participate fully in multi-function design reviews to ensure alignment of customer requirements and proposed design.Able to work under pressure, working to tight short-term deadlines and self-motivated with a positive attitude to work.
Qualifications
Essential:
Competent with C++ and CKnowledge of Revision Control Systems for control of software release (e.g. SVN or GIT).Good working knowledge of Windows operating systems (Clients and servers, installation & configuration) including Active Directory and DNS.Working knowledge of Linux Operating Systems (Installation & configuration).
Desirable:
Network Communication methods, familiarity with UDP and TCP/IP and other network protocols.Familiarity of Microsoft Visual Studio.Understanding of Data Acquisition Systems.
Please be aware that the priority will be given to employees identified as being at high risk.
The professional level and salary of the position will be dependent on the skills and experience of the successful candidate but is anticipated to be Staff Grade 7-10
This job is advertised at the grades shown, and this is the desired operating level for this role. We encourage applications from candidates with relevant experience from any grade
If you're a member of the Rolls-Royce UK Pension Fund (Defined Benefit/Final Salary Scheme), then changing jobs could affect your future pension benefits. To find out more, please click: Further detail on the Standard All-Inclusive Rate (AIR) Pensions splits can be found in Appendix 1: The Pension Protection Arrangements Memorandum of Understanding (MOU) - the MOU explains the arrangements when employees
Business Developer
Posted today
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Job Description
Business Developer - Battersea - 35k basic plus commisson OTE uncapped
IDEAL CANDIDATE PROFILE
- Proven experience in new business development or sales
- Confident and professional in face-to-face client meetings
- Strong relationship-building and interpersonal skills
- Self-motivated with a strong work ethic
- Target-driven and results-focused
- Skilled in consultative sales approaches
We are looking to expand our dynamic sales team by hiring a driven and results-oriented Business Developer. In this role, you will play a key part in growing our client base by identifying and securing new business opportunities. You'll be responsible for outbound sales efforts, developing leads, and building long-term client relationships.
- Making cold calls to prospective business clients
- Developing new business relationships
- Growing the customer base through effective sales strategies
- Arranging and attending face-to-face meetings
- Conducting sales calls over the phone
- Identifying and developing new sales leads
- Negotiating prices and supporting tender submissions
- This is a proactive role suited to someone with the ambition to make a significant impact on the business.
Apply now
Blue Arrow is proud to be a Disability Confident Employer and is committed to helping find great work opportunities for great people.
Flutter Developer
Posted today
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Job Description
About Us
Earnly is a FinTech startup on a mission to simplify financial management and empower individuals and businesses with real-time clarity on their money. We’re developing a new platform that makes financial insights accessible, transparent, and stress-free. As an early member of our team, you’ll have the opportunity to directly shape the product, culture, and future of the company.
About You
You thrive in dynamic environments where no two days are the same, motivated by big goals and the satisfaction of building something meaningful from the ground up. Startups bring tight deadlines, shifting priorities, and lean resources, but you embrace the challenge, staying focused under pressure, taking ownership, adapting quickly, and pitching in wherever needed.
The Role
We’re looking for a talented Flutter Mobile Developer with proven commercial experience to help us build beautiful, reliable, and scalable mobile applications for iOS and Android. You’ll work closely with our designers and product team to deliver seamless, user-friendly experiences that make finance feel effortless.
Key Responsibilities
- Design and build cross-platform mobile applications using Flutter li>Integrate mobile apps with RESTful APIs and backend systems
- Implement local storage, push notifications, and optimise app performance
- Write unit and integration tests to ensure app stability and maintainability
- Collaborate within Agile teams through sprint planning, stand-ups, and reviews
- Contribute to architectural decisions and product discussions
Key Skills & Experience
- Strong commercial experience with Flutter and Dart
- Understanding of native iOS/Android constraints and lifecycle differences
- Strong knowledge of REST APIs, authentication flows, and CI/CD for mobile
- Experience deploying apps to Google Play and the Apple App Store
- Experience with Firebase and Crash Analytics.
What We Offer
This is an unpaid role; however, it provides a unique opportunity to join a fast-moving company that is committed to disrupting an outdated industry. While the position does not include a salary, it offers the potential to earn equity in the business, contingent upon meeting clearly defined milestones and deliverables.
- li>Equity within the business (granted after demonstrating ability and commitment)
- Remote & flexible working environment
- Training and development budget to support your growth
- The chance to join a FinTech startup at an early stage, where your input truly shapes the product and business
Requirements
- UK-based (remote OK), right to work in the UK.
Interested?
If you’re excited about building cutting-edge financial technology and want to be part of a growing startup, we’d love to hear from you. Click Apply Now!
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NET Developer
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.NET Developer
(Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer)
Our client is a global video technology company with a strong presence in 17 countries. Using cutting edge technologies they help their clients join the dots on Facebook, YouTube and the social web. Their mission is to deliver the most awesome social video advertising campaigns on the planet.
Due to continued growth and expansion they are seeking several .NET Developer to work on the development of revolutionary web based software applications. We are keen to hear from .NET Developer candidates with a good grasp of technologies that include: .NET, .NET Core / ASP.NET MVC, C# and Azure SQL. Our client will give you the opportunity to work on enterprise level software development projects and training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB.
You will follow the firm's rapid career progression programme. Previous top performers have achieved several promotions (and pay rises) within 12 months of joining. If you are ready to join a really cool company with a proven business model and a start-up feel, this could be the company for you!
Location: London, UK / Remote Working
Salary: 40,000 - 60,000 + Bonus + Pension + Benefits
Applicants must be based in the UK and have the right to work in the UK even though remote working is available.
Noir continues to be the leading Microsoft recruitment agency; we can help you make the right career decisions!
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Salesforce Developer
Posted today
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Salesforce Developer (Certinia)
We’re Quickline, and we believe everyone deserves great internet. Whoever you are, wherever you are and whatever you do online. So we’re on a mission to provide just that. Lightning fast, reliable broadband that reaches the places other providers leave behind.
Our mission relies on a team full of inspiring people, and we’re looking for a Salesforce Developer ideally with Telecoms industry experience and having worked on Comms cloud and Certinia
Could that be you? If Salesforce gets you out of bed in the morning, and integrating MuleSoft puts a smile on your face then we would love to find out more about you.
Here’s why you’ll love this role…
- Working with the Quickline development lifecycle to produce high quality salesforce development and change focusing on Certina (FinancialForce) areas.
- Work with the BA function to ensure the team has accurate and understood requirements
- Application development, including basic most Certina applications including Accounting, PSA, OPI
- Execute backlog items to introduce defined change and development of the Qforce platform whilst adhering to Salesforce best practices.
Here’s why you’ll be great in this role…
- You will be a certified Salesforce Platform Developer
- Have previous experience developing Salesforce implementations in high pace environments
- You must have experience across Salesforce Comms Cloud, within Telecoms Industry
- Your experience will be focused around Certinia but wider platform appreciation required
The benefits…
- Pension – 5% employer / 5% employee contribution.
- WPA Health Scheme – Can claim back prescription, GP and optician charges, therapy allowance, private outpatient consultations, NHS parking claim back, EAP, 24/7 remote GP service, member discounts.
- 25 days annual leave +
Backend Developer
Posted today
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About Us
Earnly is a FinTech startup on a mission to simplify financial management and empower individuals and businesses with real-time clarity on their money. We’re developing a new platform that makes financial insights accessible, transparent, and stress-free. As an early member of our team, you’ll have the opportunity to directly shape the product, culture, and future of the company.
About You
You thrive in dynamic environments where no two days are the same, motivated by big goals and the satisfaction of building something meaningful from the ground up. Startups bring tight deadlines, shifting priorities, and lean resources, but you embrace the challenge, staying focused under pressure, taking ownership, adapting quickly, and pitching in wherever needed.
The Role
We’re looking for talented backend developer with proven commercial experience to help us build the core infrastructure that shall power our entire platform. You’ll be responsible for designing, developing, and maintaining secure, scalable APIs, data processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers.
Key Responsibilities:
- Build and maintain robust RESTful APIs for mobile and web clients. li>Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data.
- Develop data ingestion pipelines to process real-time and batch data from external services.
- Optimize backend performance and ensure application scalability and resilience.
- Build authentication and authorization flows, following best practices for fintech-grade security.
- Write unit and integration tests, participate in code reviews, and contribute to continuous improvement.
- Collaborate closely with frontend/mobile engineers, product managers, and founders in agile development cycles.
- Contribute to infrastructure decisions (e.g. Docker, container orchestration, cloud services).
Skills & Experience You’ll Need
- < i>3+ years’ experience in backend development (ideally in a startup or SaaS environment). < i>Proficient in .Net, Core 8, Razor Pages and Bootstrap 5 for UI.
- Experience with databases such as MongoDB and SQL Server, including schema design, indexing, and performance tuning.
- Familiarity with cloud platforms like Azure (we use Azure).
- Experience with containerization tools (Docker, Docker Compose) and deployment pipelines.
- Strong understanding of API design, versioning, and security (OAuth, JWT, API tokens).
- Comfortable working with Git, agile methodologies, and CI/CD practices.
- A good understanding of data protection, GDPR, and fintech security requirements.
Nice to Have
- Exposure to event-driven architecture or message queues (e.g. Kafka).
- Experience integrating