19 developer jobs found

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector by leading the next generation of maritime domain awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners. SRT is an exciting company where high-quality results are rewarded. We are ambitious and constantly seek to innovate in order to deliver better products and services to our customers. We strive to make SRT a rewarding and challenging place to work, where talented, hard-working individuals have the opportunity to make a real impact across the marine industry. Role overview for the Senior...

Freelance: Full Stack Developer (Insurance Experience Required) Start Date: 20/07/26 Duration: 6 months (extension highly likely) IR35 Status: Outside Location: London (Fully Remote) Capacity: 40 hours per week About the Role We're looking for an experienced Full Stack Developer with Insurance domain expertise to support the development and scaling of a high growth digital platform within the insurance sector. You will work across both Front End and Back End layers, collaborating closely with product, design, and engineering teams to deliver robust, scalable, and high performance solutions. A key focus of the role will be building modern user interfaces (Vue.js) while contributing to Back End services, APIs, and architecture that support complex insurance workflows and data models. Key Responsibilities Design, develop, and maintain full stack applications across Front End and Back End layers. Build modern, responsive Front End applications using Vue.js. Develop and maintain...

Qlik Sense Developer Fully remote £400 per day OUTSIDE IR35 Must be able to cover hours 10am to 7pm and 12pm to 9pm due to the time zones for this work Experienced Qlik Sense expert needed to delivery advanced analytics and reporting capabilities for the operations team as part of a global healthcare project You will be responsible for Qlik Sense Development & Dashboard - Delivery Design, build, and maintain dashboards, sheets, and visualizations Data Modelling & Scripting - Develop and maintain Qlik Sense data models, load scripts, calculations, and derived metrics Work with Cority/CorAnalytics data sources Data Quality & Validation Validate dashboard outputs against source data Ensure correct logic in calculations and KPIs Data Refresh & Pipeline Management Manage data refresh processes and pipelines Diagnose and resolve data discrepancies, refresh issues, script failures, and performance bottlenecks You will be a Qlik Sense expert with skills...

Contract .NET Developer - £350- £375p/d - Outside IR35 - London / Hybrid (.NET Developer, .NET Software Engineer, Software Developer, C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular, Unit Tests, DevOps, CI/CD pipelines, Terraform, Azure, AI tools) Established in the 1990s our client is one the fast growing technologies brands across Europe. They have built an unrivalled reputation for developing revolutionary .NET / C# software solutions. Having recently embarked upon a number of cutting edge Greenfield .NET / C# projects they are looking to recruit contract .NET Developer to join their award winning .NET / C# development team. Working in tandem with Microsoft 's very own consultants you will be working on the development of complex enterprise .NET / C# projects that have attracted much attention in the trade place. .NET Developer applicants should be experienced in: C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular,...

Full Stack Cloud Developer (Azure | DevOps | SRE) 📍 Remote (UK) 💰 £300 per day (Outside IR35) ⏳ Initial 3–4 month contract with strong extension potential 🚀 Immediate Start We are seeking an experienced Full Stack Cloud Developer with strong Azure deployment, DevOps, and Site Reliability Engineering (SRE) expertise to join a fast-paced digital delivery team. This role is ideal for a hands-on developer who enjoys solving deployment, integration, and cloud infrastructure challenges while remaining actively involved in software development. You'll act as the bridge between development teams, cloud infrastructure partners, and client stakeholders to ensure applications are deployed, integrated, secured, and operational in Azure environments. Key Responsibilities Lead deployment activities for cloud-native applications, APIs, integrations, and services within Azure. Build, maintain, and optimise CI/CD pipelines using GitHub Actions and/or Azure DevOps....

PowerApps Developer (Contract) - SC Cleared/NPPV3 London (Hybrid - 3 days per week onsite) Initial 3 months - Strong Extension Potential Up to £520 per day (Outside IR35) We are currently seeking a highly capable PowerApps Developer to join a high-profile programme delivering secure, scalable digital solutions within a regulated public sector environment. This role sits within a fast-paced delivery team focused on modernising core services through the Microsoft Power Platform. This is an excellent opportunity for a contractor who thrives in secure environments and has experience building robust applications that meet stringent compliance and security standards. Key Requirements Strong hands-on experience with the Microsoft Power Platform, including: PowerApps (Canvas and Model-driven apps) Power Automate (workflow automation) Dataverse and data modelling Proven experience delivering enterprise-grade Power Platform solutions end-to-end Ability to integrate Power...

AWS Serverless Developer - Scotland (Hybrid) - Up to £475 per day Outside IR35 - 12 Months One of Lorien's key public sector clients is looking for an experienced AWS Serverless Developer to join their team on an initial 12-month contract (Possible 12 month extension) Key Responsibilities: Designing, developing and supporting AWS serverless applications using modern cloud-native technologies Building scalable microservices using AWS Lambda, API Gateway, and event-driven architectures Developing Back End services using TypeScript/Node.js in an Agile delivery environment Collaborating with Product Owners, Business Analysts and other engineers to deliver high-quality solutions Contributing to backlog refinement, sprint planning and technical design discussions Writing clean, well-tested code following TDD and best engineering practices Implementing infrastructure-as-code solutions using AWS CDK/CloudFormation Participating in pair programming, code reviews and...

Developer - 12 Months - Outside IR35 - Remote Day Rate - Circa £455 Harvey Nash's public sector client are currently looking to recruit a Developer to join their team based in Edinburgh for an initial 12 month period. This role is predominantly remote, with the expectation you are willing to travel to the office when required. Assignment Description: An experienced developer with solid commercial AWS development experience is required to accelerate the organisation's move away from their Legacy finance systems. The focus of the work will be the collaborative development of new serverless microservices using AWS Lambda functions and Typescript/JavaScript. Essential Skills: Significant commercial experience in the following technology: AWS including: CDK Serverless (Lambda) S3 API Gateway Cloud Formation Typescript (or modern JavaScript) Significant and demonstrable commercial experience in the following areas: Making excellent quality software with...

Senior Backend Python Developer (Contract) Contract: Rolling 3-Month Contract Location: Fully Remote (UK Based Only) Rate: £300 per day IR35 Status: Outside IR35 Start Date: ASAP Please note: Applicants must be based in the UK. Sponsorship is not available for this position. The Opportunity We’re working with a growing technology-driven organisation looking for a strong Senior Backend Python Developer to join their engineering team on an initial 3-month contract with a high likelihood of extension. This is a hands-on backend-focused role where you’ll be responsible for designing, developing, and maintaining scalable services, APIs, and integrations that underpin critical business applications. You’ll be working closely with architects, product teams, and fellow engineers to deliver high-quality solutions in a fast-paced Agile environment. The ideal candidate will be an experienced Python developer with a strong understanding of modern backend...

Join a leading UK banking and technology services provider as a Senior Java Developer. Location: Glasgow (Hybrid – 3 days onsite) Rate: £320/day (Outside IR35) Duration: July 2026 – December 2026 Overview Seeking a Senior Java Developer (10+ years) with strong experience in building scalable web applications using Spring Boot, REST APIs, and JEE technologies, combined with solid front-end skills in JavaScript and React. You’ll work in Agile teams, contribute to client-facing solutions, and ensure accessibility best practices. Key Skills & Experience Core (Essential) Java 8/7, Spring Boot, Spring MVC, REST APIs JEE stack: JSF, JPA, JSP, Servlets, JDBC Front-end: JavaScript, ReactJS, HTML5, CSS3/SCSS XML technologies (DOM, SAX, XSLT) Accessibility tools: NVDA, WAVE, Accessibility Insights Tools & Technologies IntelliJ IDEA Jenkins, Maven, JIRA Git / Subversion Leadership & Delivery Experience leading or mentoring...

Join a leading UK banking and technology services provider as a Senior Java Developer. Location: Glasgow (Hybrid – 3 days onsite) Rate: £320/day (Outside IR35) Duration: July 2026 – December 2026 Overview Seeking a Senior Java Developer (10+ years) with strong experience in building scalable web applications using Spring Boot, REST APIs, and JEE technologies, combined with solid front-end skills in JavaScript and React. You’ll work in Agile teams, contribute to client-facing solutions, and ensure accessibility best practices. Key Skills & Experience Core (Essential) • Java 8/7, Spring Boot, Spring MVC, REST APIs • JEE stack: JSF, JPA, JSP, Servlets, JDBC • Front-end: JavaScript, ReactJS, HTML5, CSS3/SCSS • XML technologies (DOM, SAX, XSLT) • Accessibility tools: NVDA, WAVE, Accessibility Insights Tools & Technologies • IntelliJ IDEA • Jenkins, Maven, JIRA • Git / Subversion Leadership & Delivery • Experience leading...

Senior Full Stack Engineer (Backend-Leaning) – Travel Tech Contract, Outside IR35 Remote (UK only) £400-500/day A fast-growing travel concierge startup is building a React Native app for iOS and Android, and needs a backend-leaning engineer to own the systems behind it. You'll be building: Backend APIs in Node.js, Express.js, TypeScript, MongoDB and Mongoose Auth (JWT, refresh tokens, OTP), user profiles, trip planning, bookings, notifications Integrations with Firebase, Twilio, MailerSend, maps/location, payments Clean, well-documented APIs for the mobile team to build on What you'll bring: Strong Node.js/Express/TypeScript backend chops Sharp MongoDB/Mongoose schema design Experience building backend systems for mobile apps Comfort working with or alongside React Native Startup/small-team pace Bonus points: travel, booking, marketplace or fintech background; AWS, Docker, CI/CD; Jest/API testing. Get in touch if this sounds like you.

Our Telecoms client is looking for an experienced ServiceNow Architect to join their team. This is a 6 months contract initially and it is outside IR35. This is a hybrid role with 2 days per week working from the office in central London. Key Responsibilities * Serve as the technical authority on ServiceNow architecture, design, and best practices. * Define and drive the overall platform strategy, roadmap, and governance. * Lead the design and implementation of ServiceNow modules, including ITSM, ITOM, ITAM, HRSD, CSM, GRC, SecOps, and custom applications. * Ensure platform scalability, security, performance, and integrations with other enterprise systems. * Provide technical leadership in solution design workshops, architecture reviews, and governance boards. * Collaborate with stakeholders, business analysts, and development teams to align solutions with business objectives. * Mentor and guide ServiceNow developers and administrators on technical best practices. * Stay updated...

Full Stack Engineer (Contract - Junior/Mid) Location: Hybrid - 3 days per week - London Day Rate : Up to £350 per day outside IR35 This is a unique opportunity to work on a highly sophisticated platform where AI sits at the heart of the product. The Opportunity You'll be working across a modern TypeScript monorepo, developing scalable features across the frontend, backend, data layer, and AI integrations. The role offers exposure to cutting-edge AI technologies while providing the opportunity to deepen your expertise under the guidance of an experienced software architect. If you're passionate about modern engineering, enjoy solving complex technical challenges, and are eager to work at the forefront of AI-powered software development, we'd love to hear from you. Tech Stack: TypeScript, React, Node.js, Next.js Tailwind CSS SQLite AI integrations including Anthropic Claude, OpenAI, and Google Gemini GitHub Actions CI/CD Microsoft Azure (migration...

3rd Line Engineer 📍 White City, London (4 Days Onsite) 💰 £350-450 per day 📄 Outside IR35 📅 Initial 6-Month Contract I'm currently supporting a well-known retail brand that is investing heavily in its internal IT function and looking to hire an experienced 3rd Line Engineer to join the team on an initial 6-month contract. This is a hands-on role where you'll play a key part in improving and stabilising a large Microsoft-based environment, working across infrastructure, cloud, networking and security technologies. What You'll Be Doing • Providing 3rd line support for complex technical issues • Managing Microsoft 365 and Windows environments • Supporting Azure infrastructure and cloud services • Leading patching, vulnerability management and security improvements • Managing backup and disaster recovery processes • Working with networking, firewalls and email security platforms • Supporting infrastructure upgrades, migrations and improvement projects •...

Quality Assurance Engineer 6-month contract Remote Working (UK-based) Outside IR35 £350 to £375 per day Start - ASAP The Opportunity: We are supporting a confidential programme for a major central government project (Government Digital Services) and are seeking an experienced Quality Assurance Engineer to join a multidisciplinary Agile delivery team working on the development of modern, cloud-based data platforms and user-facing digital services. This role is ideally suited to a QA professional with experience testing data-driven systems, validating end-to-end data pipelines and assuring the quality of applications that consume and present complex datasets. You'll work closely with Product Owners, Data Engineers, Developers and Business Analysts to ensure that data is processed accurately, integrations perform reliably and end users receive high-quality, trusted information. Experience with cloud-based data platforms, REST APIs and geospatial...

QA Engineer - Data Platforms We're supporting a major digital transformation programme and are looking for a QA Engineer with experience testing data-centric applications and platforms. This is an opportunity to join an agile delivery team working across modern cloud technologies, ensuring the quality of data pipelines, integrations and user-facing applications. You'll play a key role in validating complex data flows while working closely with developers, product teams and technical stakeholders. The Role You'll be responsible for delivering high-quality testing across a modern data platform, validating data movement from source through to end-user applications. The role combines traditional functional testing with data validation, integration testing and defect management, helping to ensure reliable, accurate and usable data throughout the platform. Key Responsibilities Design and execute test scenarios based on user stories and acceptance criteria. Validate data...

Full job description Job Summary Puma Berry Ltd is seeking an experienced  L4 Principal-Level Software Test Engineer  with expert-level experience in  test design, test execution, and automated test scripting , preferably using  Python and Squish , to join a long-term programme developing advanced software on Embedded Linux platforms. This is a  12+ month Outside IR35 contract , with the potential for extension. You'll provide technical leadership while remaining hands-on with test automation, mentoring, and quality delivery within an Agile/SAFe environment. If you have a proven track record of leading test teams, delivering high-quality automated test solutions, and working closely with software engineers and stakeholders, we'd love to hear from you. Duties Lead the design, development and execution of automated test solutions using  Python ,  Squish , and other appropriate test technologies. Provide technical...

Full job description Job Summary Puma Berry Ltd is seeking an experienced  L4 Principal-Level Software Test Engineer  with expert-level experience in  test design, test execution, and automated test scripting , preferably using  Python and Squish , to join a long-term programme developing advanced software on Embedded Linux platforms. This is a  12+ month Outside IR35 contract , with the potential for extension. You'll provide technical leadership while remaining hands-on with test automation, mentoring, and quality delivery within an Agile/SAFe environment. If you have a proven track record of leading test teams, delivering high-quality automated test solutions, and working closely with software engineers and stakeholders, we'd love to hear from you. Duties Lead the design, development and execution of automated test solutions using  Python ,  Squish , and other appropriate test technologies. Provide technical...