1,711 Junior Developer jobs in the United Kingdom
Developer
Posted 10 days ago
Job Viewed
Job Description
Developer x 2
Southampton 1 day / 4 days remote
Salary: up to 55K
Benefits: Healthcare, car discounts, 26 days leave, pension plan, mental health support, excellent training and career progression opportunities
A well-established B2B company with a global client base is celebrating its most successful year yet, with 33% projected growth in 2025. Its client relationships are stronger than ever, and staff retention is at an all-time high.
We are seeking two talented Developers to join their growing team. You will be involved in developing web-based applications, backend services, and supporting cloud-based infrastructure.
Key Responsibilities:
- Develop web applications and REST services using NodeJS, JavaScript, and MySQL
- Support cloud infrastructure and resolve production issues
- Collaborate across departments to deliver solutions
- Follow development best practices and security policies
Key Skills:
- Experience in software development server-side
- Knowledge of NodeJS, SQL
- Experience with AWS (desirable)
- Strong collaboration skills and a desire to learn
This is an exciting opportunity to join a growing team, with hybrid working options and excellent benefits. If you're ready to develop your career in a dynamic environment, apply today!
Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate 1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn't right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.
Developer
Posted 13 days ago
Job Viewed
Job Description
Developer x 2
Southampton 1 day / 4 days remote
Salary: up to 55K
Benefits: Healthcare, car discounts, 26 days leave, pension plan, mental health support, excellent training and career progression opportunities
A well-established B2B company with a global client base is celebrating its most successful year yet, with 33% projected growth in 2025. Its client relationships are stronger than ever, and staff retention is at an all-time high.
We are seeking two talented Developers to join their growing team. You will be involved in developing web-based applications, backend services, and supporting cloud-based infrastructure.
Key Responsibilities:
- Develop web applications and REST services using NodeJS, JavaScript, and MySQL
- Support cloud infrastructure and resolve production issues
- Collaborate across departments to deliver solutions
- Follow development best practices and security policies
Key Skills:
- Experience in software development server-side
- Knowledge of NodeJS, SQL
- Experience with AWS (desirable)
- Strong collaboration skills and a desire to learn
This is an exciting opportunity to join a growing team, with hybrid working options and excellent benefits. If you're ready to develop your career in a dynamic environment, apply today!
Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate 1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn't right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.
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 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-CH2 #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.
XVA Developer/C++ Developer
Posted 6 days ago
Job Viewed
Job Description
Job Title: XVA Developer/C++ Developer
Location: London, Liverpool street
Length of Contract: 6 months with the high potential for extension
Location: London, 100LS
Hybrid: 3 days onsite
About the Role:
Join a global financial institution's XVA development team to design, build, and maintain critical simulation applications and tools that support the XVA desk and other trading, research, and middle/back-office teams worldwide. You'll translate business needs into technical solutions and provide strategic technical leadership across all software development and support activities.
What You'll Do:
- Develop and maintain robust software solutions for daily XVA risk analysis.
- Troubleshoot and resolve production issues to meet service level agreements.
- Design and implement scalable architectures for new products and features.
- Collaborate closely with business teams to address credit risk analysis queries.
- Continuously improve software performance and operational efficiency.
- Research and adopt new technologies to enhance development capabilities.
- Lead mission-critical projects, providing technical guidance and support.
Who You Are:
- Experienced in C/C++ (essential), with knowledge of C# and Python (advantageous).
- Skilled in system architecture, software development, and data/message processing.
- Strong background in mathematical finance, especially XVA and credit risk models.
- Familiar with Agile, Scrum, DevOps, and testing best practices.
- Excellent communicator who can bridge gaps between technical and business teams.
- A proactive team player who can also work independently and handle multiple priorities.
- Experienced in mentoring junior team members and working with global teams.
- Knowledgeable about infrastructure, security, high availability, and disaster recovery solutions.
Why Join:
Work with a leading global financial institution solving complex challenges in risk and trading technology. Influence and build cutting-edge software that supports vital front-to-back office functions across major financial centers.
Apply now to join this dynamic Trading & Risk technology team!
Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
XVA Developer/C++ Developer
Posted 6 days ago
Job Viewed
Job Description
Job Title: XVA Developer/C++ Developer
Location: London, Liverpool street
Length of Contract: 6 months with the high potential for extension
Location: London, 100LS
Hybrid: 3 days onsite
About the Role:
Join a global financial institution's XVA development team to design, build, and maintain critical simulation applications and tools that support the XVA desk and other trading, research, and middle/back-office teams worldwide. You'll translate business needs into technical solutions and provide strategic technical leadership across all software development and support activities.
What You'll Do:
- Develop and maintain robust software solutions for daily XVA risk analysis.
- Troubleshoot and resolve production issues to meet service level agreements.
- Design and implement scalable architectures for new products and features.
- Collaborate closely with business teams to address credit risk analysis queries.
- Continuously improve software performance and operational efficiency.
- Research and adopt new technologies to enhance development capabilities.
- Lead mission-critical projects, providing technical guidance and support.
Who You Are:
- Experienced in C/C++ (essential), with knowledge of C# and Python (advantageous).
- Skilled in system architecture, software development, and data/message processing.
- Strong background in mathematical finance, especially XVA and credit risk models.
- Familiar with Agile, Scrum, DevOps, and testing best practices.
- Excellent communicator who can bridge gaps between technical and business teams.
- A proactive team player who can also work independently and handle multiple priorities.
- Experienced in mentoring junior team members and working with global teams.
- Knowledgeable about infrastructure, security, high availability, and disaster recovery solutions.
Why Join:
Work with a leading global financial institution solving complex challenges in risk and trading technology. Influence and build cutting-edge software that supports vital front-to-back office functions across major financial centers.
Apply now to join this dynamic Trading & Risk technology team!
Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
Snowflake Developer
Posted today
Job Viewed
Job Description
Snowflake Developer - Manchester | 70,000 + Benefits | Hybrid (3 Days On-Site) | Permanent
Sector: Consulting | End Client: Leading Banking Group
A leading consulting firm is hiring a Snowflake Developer to work on high-impact projects within the banking sector. You'll join a collaborative data team, delivering cloud-based solutions for a major financial services client.
Location: Manchester (3 days on-site)
Salary: Up to 70,000 + excellent benefits
Type: Permanent
Key Responsibilities
Build and maintain Snowflake-based data platforms.
Collaborate with product owners and stakeholders to gather requirements and deliver scalable solutions.
Ensure best practices in data modelling, governance, and architecture are applied across projects.
Essential Skills
Strong knowledge of cloud computing and Snowflake architecture.
Proficient in SQL (ANSI-SQL).
Solid experience with data models: Dimensional, ER, and Data Vault.
Strong working knowledge of Snowflake internals (roles, dynamic tables, streams, tasks, policies).
Hands-on experience with Python, GitLab, and Snowpark container services.
Exposure to data science, machine learning, data governance, and data management.
Proven track record in data-centric project delivery.
Confident stakeholder management and communication skills.
Positive, proactive, team-oriented attitude.
Desirable Skills
Experience with SQL Server and/or Oracle.
Background in investment banking or financial services.
Familiarity with Power BI and statistics.
Ability to support multiple concurrent projects.
Tech Stack: Snowflake, ANSI-SQL, Python, GitLab, Snowpark, Cloud Platforms, Dimensional Modelling
This is a great opportunity to join a well-established consultancy and work on advanced cloud data solutions in the financial sector.
Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.
Software Developer
Posted today
Job Viewed
Job Description
Software Developer - .NET
- ASP.Net Core, C#, SQL, Blazor
- Salary up to 40k
- In office working - The Wirral
- For more information, please email me directly at (url removed) or call on (phone number removed).
Who We Are:
We're a tight-knit development team focused on building and maintaining robust internal and client-facing software platforms. Our systems are designed for real-time access, ease of use, and user-driven decision-making, supported by web and mobile applications. We value independent thinking, clean code, and the continuous evolution of our tech stack.
Who We're Seeking:
We're looking for a Software Developer with experience working in .NET environments across both desktop and web applications. You'll be working with technologies such as C#, ASP.Net Core, SQL and Blazor.
You'll contribute to the development of new features, enhancements, and system fixes, while also helping to reverse engineer legacy systems to improve performance and maintainability. You'll work within a Kanban workflow and use Azure DevOps for source control and task management.
The ideal candidate can work independently, write unit tests, and bring strong attention to detail in a structured development environment.
Benefits:
- 25 days' holiday + bank holidays
- Clear progression paths
- Collaborative, focused engineering culture
- Exposure to diverse technologies across web and desktop platforms
What Happens Next?
Please either apply online or email me directly at (url removed). For more information, feel free to call on (phone number removed). By applying, you consent to us processing your details for this vacancy only. We look forward to hearing from you!
Key Skills:
ASP.Net Core, C#, SQL, Blazor
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Software Developer
Posted today
Job Viewed
Job Description
Software Developer - Java
- Java, Niagara, Spring Boot, Microservices
- Salary up to 65k
- Remote - Must be currently based in the UK
- For more information, please email me directly at (url removed) or call on (phone number removed).
Who We Are:
We're a rapidly expanding tech team focused on delivering high-performance, integrated software systems. Our environment supports collaboration, continuous learning, and the development of scalable solutions across a range of complex use cases. We work in a fast-moving, problem-solving culture with a strong emphasis on code quality and innovation.
Who We're Seeking:
We're looking for a Software Developer with experience working in Java-based environments and familiarity with the Niagara Framework . You'll be responsible for designing and implementing custom Java modules, drivers, and services, contributing to robust, scalable system architectures.
You'll work closely with a multi-disciplinary team to integrate with external platforms and services, focusing on performance, stability, and maintainability. A strong background in Java development, microservices, and REST APIs is essential. Experience working with the Niagara 4 framework is highly desirable.
This role offers the chance to build and extend real-time applications deployed in both on-premises and cloud environments.
Benefits:
- 25 days' holiday + bank holidays
- Performance-based bonus scheme
- Choice of tech setup
- Personal development budget
- Collaborative, modern engineering culture
What Happens Next?
Please either apply online or email me directly at (url removed). For more information, feel free to call on (phone number removed). By applying, you consent to us processing your details for this vacancy only. We look forward to hearing from you!
Key Skills:
Java, Niagara 4, Custom Java Modules, Microservices, Spring Boot, REST APIs, Distributed Systems, CI/CD, GIT, Maven, Edge & Cloud Deployment
NET Developer
Posted today
Job Viewed
Job Description
Position Overview
We are seeking an experienced Full Stack Developer to work for a leading global consultancy on an exciting 6-month automotive project inside IR35.
Contract Details
- Rate : £350 per day (inside IR35)
- Duration : 6 months with potential for extension or permanent opportunities
- Location : Farnborough (2 days onsite) + 3 days remote
- Industry : Automotive Technology Solutions
- Client : Major automotive industry leader via global consultancy partnership
Backend Development
- C# .NET Framework/Core - Extensive experience developing robust, scalable backend services
- RESTful API Development - Design and implementation of web APIs
- Microservices Architecture - Understanding of distributed systems and service-oriented architecture
- Blazor - Proficiency in Blazor Server and/or Blazor WebAssembly
- React.js - Strong experience including hooks, state management, and modern development practices
- JavaScript/TypeScript - Advanced knowledge of modern JavaScript and TypeScript
- HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility
- Oracle (Preferred) - Database development, PL/SQL, and performance optimization
- SQL Server (Alternative) - T-SQL and database design experience acceptable
- Entity Framework - ORM experience for data access layer implementation
- 5+ years full stack development experience
- Software Development Lifecycle - Strong understanding of SDLC and Agile methodologies
- Version Control - Git experience
- CI/CD & DevOps - Knowledge of continuous integration pipelines
- Security Best Practices - Web application security knowledge
- Problem-solving & Communication - Excellent analytical skills and ability to communicate effectively at all organisational levels
- Degree level qualification or equivalent corporate experience
- Azure/AWS cloud platform experience
- Docker containerization knowledge
- Automotive or manufacturing industry experience
- Test-driven development (TDD)
- Performance optimization and scalability techniques
- Content Management Systems knowledge
- Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend
- Design and implement database solutions using Oracle/SQL Server
- Collaborate with cross-functional teams including UX/UI designers and business analysts
- Participate in code reviews and maintain high coding standards
- Work within multi-disciplinary Agile teams to deliver quality results
- Troubleshoot technical issues across the application stack
- Contribute to technical documentation and best practices
- Engage with automotive industry stakeholders to understand business requirements
- £350 daily rate (inside IR35)
- Flexible hybrid working arrangement
- Professional development and training opportunities
- Exposure to enterprise-level projects and cutting-edge automotive technology
- Potential for contract extension or permanent conversion
- Collaborative team environment with innovative technology solutions
C++ Developer
Posted today
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Job Description
C++ Developer
A great opportunity for a C++ Developer with experience in Angular, to be working with one of Europe's largest tech companies.
Key Deliverables:
- Develop and maintain backend components using C++11 or above, including performance-critical modules.
- Build dynamic and responsive frontend interfaces using AngularJS/Angular 2+.
- Debug, maintain, and enhance existing systems with a focus on long-term stability and performance.
- Collaborate with cross-functional teams including PO, PDEF, QA, DevOps, and product stakeholders to define, design, and deliver new features.
- Refactor legacy code and participate in technical debt reduction.
- Write clean, scalable, and maintainable code with proper documentation.
- Participate in code reviews and mentor junior developers where applicable.
- Ensure secure coding practices and adherence to software development standards.
- Investigate and resolve production issues as part of ongoing product support.
Skills
- 3+ years of professional experience in software development.
- Proficient in C++11 or later, with strong understanding of memory management, concurrency, and object-oriented design.
- Hands-on experience with AngularJS and front-end development (HTML, CSS, JavaScript).
- Familiarity with REST APIs, JSON, and web service integration.
- Experience working in software maintenance/support roles with bug fixing and system enhancements.
- Strong debugging and problem-solving skills across the stack.
- Familiar with version control systems such as Git.
- Worked earlier on Scrum models like Kanban or Sprint, have experience working in a team and support team collaboration