39 software developer jobs found

Junior Software Developer (SC Cleared) London (Hybrid) 6 Month Contract to £300/day (Inside IR35) Junior Software Developer needed with active SC Security Clearance and strong C#, .NET, SQL, skills. 6 Month Contract based in Central London (Hybrid). Start ASAP in Feb/March 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the Central London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Software Developer / Software Engineer to join our team and work on the development of data modelling solutions Must have in-depth C#, .NET, SQL, development expertise. Experience of Agile methods, Azure DevOps, CI/CD pipeline maintenance + automation scripting, also strongly preferred. Banking / Financial Services domain experience preferred. Must hold active SC Security Clearance used on a project within the past 12 Months

Software Developer (SC Cleared) London (Hybrid) 6 Month Contract to £700/day (Inside IR35) Software Developer needed with active SC Security Clearance and strong C#, .NET, SQL, Angular, HTML and JavaScript skills. 6 Month Contract based in Central London (Hybrid). Start ASAP in Feb/March 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the Central London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Software Developer / Software Engineer needed to join our team working on the development of data modelling solutions. Must have in-depth C#, .NET, SQL, Angular, HTML + JavaScript development expertise. Experience of Agile methods, Azure DevOps, CI/CD pipeline maintenance + automation scripting, also strongly preferred. Banking / Financial Services domain experience preferred. Must hold active SC Security Clearance used on a project within the...

World Class Defence Organisation is currently looking to recruit a remote PERL Software Engineer subcontractor on an initial 6 month contract. Job Title:  PERL Software Engineer Rate: £77 - £84 per hour Location: Stevenage Hybrid / Remote working: This role is a remote based role – with just 1 visit to the Stevenage site per month. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) PERL Software Engineer Job Description: The Software department are looking for a software developer with experience in the PERL programming language. We require someone who can create and update text-based templates used in Technical Publications authoring and publishing tasks. Knowledge of the Technical Publications publishing process would be an advantage but not a requirement. Assistance in updating and in some cases,...

Senior Java Developer | Financial Services | 6‑month contract | £500–£550 | | Inside IR35 | Hybrid Swindon A leading financial services organisation in Swindon is looking for an experienced Senior Java Developer to join an established engineering team working on high‑availability, business‑critical payment systems. This is a great opportunity for someone who enjoys complex backend engineering, secure transaction processing, and contributing to a mature agile environment. The Role You’ll be joining a team where you will be responsible for maintaining and enhancing the organisation’s core card platform. Your work will involve a blend of feature development, system optimisation, and technical problem‑solving across a highly regulated, high‑volume environment. What We’re Looking For Strong commercial experience with Java 17 and modern engineering frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and...

IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35: Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking for a back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service, re-platforming to Azure Kubernetes Service. You will have a solid understanding of modern deployment pipelines and DevOps principles. The role will require providing out of hours support (i.e. Monday to Saturday once per month). As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing,...

Senior Python Developer London | Contract | Energy / Trading Environment £400-£425 per day (Inside IR35) We are supporting a leading organisation operating within the energy and commodities space who are looking to engage a Senior Python Developer to support the build-out of advanced data-driven applications and analytical tools. This is a hands-on engineering role working at the intersection of data, analytics and front-office stakeholders. You will be responsible for building clean, modular Python applications, manipulating complex datasets, and delivering interactive dashboards used for commercial insight. The Role You will: Develop robust, production-grade Python applications Manipulate and analyse large datasets using pandas and numpy Build interactive dashboards using Plotly Dash Design modular, reusable and well-tested code Integrate with REST APIs and backend services Collaborate with commercial and technical stakeholders to translate requirements into...

Job Title: Full Stack Engineer (Mid-Senior Level) Location: Hybrid (2-3 days onsite in Warwick or London every 3 months) Job Type: 6 month contract Day Rate: £500-£750pd (Inside IR35) DOE   We are seeking a skilled Full Stack Engineer with 5+ years of commercial experience to join our dynamic team. In this role, you will be instrumental in building both the front and back end components of our platform. You will be responsible for coding reliable, secure, and performant features across a modern web stack that includes React/Next.js on the front end and C#/.NET (ASP.NET Core) on the back end, supported by Azure Managed Services. You will collaborate closely with product, design, and architecture teams to deliver end-to-end features—from shaping solution designs and APIs to implementing responsive UIs and robust services. This long-term programme (5+ years) is well-suited for engineers who enjoy taking ownership of problems across the stack, care deeply about code quality and...

Role Title: HIP Developer Experience Lead for Internal Cloud Duration: contract to run until 17/07/2026 Location: Sheffield, 3 days per week onsite Rate: up to £575.92 p/d Umbrella inside IR35 Role purpose / summary Client Internal Cloud (HIC), IKP (Internal Kubernetes Platform) and Kafka (Event Streaming) are our strategic hosting platforms supporting the fast-growing demand from numerous customers. We have deployed over 15,000 servers in 3 regions underpinning thousands of Technology services. As a developer experience lead for the HIP platform, you will help to understand and improve the internal customer and developer experience for our strategic platforms, enabling more customer centric solutions. Your role is to tackle the challenge of the complexity that teams must endure as they integrate technology services into a viable route-to-live. This journey might include runtimes for dev, test and prod; global load balancing; CI/CD mechanism; monitoring, logging, alerting...

Full Stack Software Engineer 6 months Remote - 2-3 days onsite in Warwick or London every 3 months Inside IR35 - umbrella only Background: Full‑Stack Engineer (5 years+ commercial experience mid-senior level) required to help build the front and back end components of the EDM platform coding reliable, secure, and performant features across a modern web stack including React/Next.js on the front end and C#/.NET (ASP.NET Core) on the back end supported with Azure Managed Services. You'll work closely with product, design, and architecture deliver end‑to‑end features - from shaping solution designs and APIs to implementing responsive UIs and robust services. This long-term programme (5+ years) is suitable for engineers who enjoy owning problems across the stack, care deeply about code quality and developer experience, and thrive in a collaborative, product‑driven environment. Responsibilities include: Building great user experiences with React, Next.js, Node.js and/or...

Job Title: Product Owner Location: Sheffield OR Birmingham (3 days per week) Salary/Rate: Up to £485 per day Start Date: March 2026 Job Type: 10-month contract (inside IR35) Company Introduction: We are currently recruiting for a Product Owner to join our client in the financial services sector. Job Responsibilities/Objectives: Lead and mentor a team of VMware engineers within the POD structure Responsible for people and performance management of the team Design, deploy, and manage VMware vSphere, VRO, vRLI, and related technologies Oversee day-to-day operations, troubleshooting, and performance tuning of the virtual environment Collaborate with cross-functional teams to deliver infrastructure solutions for business needs Drive automation initiatives using tools such as PowerCLI, Ansible, or vRealize Suite Develop and maintain technical documentation, standards, and best practices Participate in capacity planning, disaster recovery, and business continuity activities...

Principal CE&I Protection Engineer - Hybrid (Sellafield Project) Location: Warrington - 1 day per week on-site, 4 days WFH (with occasional site visits) £56-61/hour Inside IR35 Project: Sellafield Electrical Distribution Network Upgrade - Infrastructure Strategic Alliance The Opportunity: Join the CE&I design team delivering power systems and protection engineering for a high-profile Sellafield project. You'll play a key role in shaping the Electrical Distribution Network Upgrade through cutting-edge modelling, fault analysis, and protection system design. Key Responsibilities: Develop and maintain the project's working ETAP model Produce and review fault calculations Support protection and control system design for 11kV & 400V networks Collaborate with multidisciplinary teams to deliver high-quality designs Essential Experience: Strong knowledge of BS EN 60909 Fault Calculations Skilled in power distribution modelling software Hands-on experience with...

Manufacturing Engineer (CNC Sliding Head) Tewkesbury (on site) Aerospace/Advanced Manufacturing Inside IR35 £50 - £55 per hour THE ROLE - Manufacturing Engineer (CNC Sliding Head) This is a fantastic opportunity to join a stand-out aerospace engineering business to support Sliding Head/Swiss Lathe Manufacturing. As a Manufacturing Engineer, you'll need to possess excellent experience in Sliding Head lathe practices and processes including programming and CAD/CAM knowledge. As an expert with Sliding Head machining, you should have knowledge of some of the following machines: Star ST38, Star SR10J, Star SW20, Citizen. DUTIES - Manufacturing Engineer (CNC Sliding Head) Authoring and approving manufacturing processes and process specifications Online and Offline programming for CNC Activities - Perform problem solving and root cause corrective actions (RCCA). Provide technical, machining task planning and authorisation. Advise and support daily shop-floor management...

A client within the Public Sector based in Gloucestershire is currently recruiting for an Assistant Project Manager (Highways) to join their Traffic Engineering team as soon as possible. The client is offering a full-time, temporary position on an ongoing basis, initially for 6 months (with the potential to be extended or made permanent), with the ideal candidate having experience of working within a local authority highways or engineering environment. The Role Key purpose of the role: To support the delivery of traffic engineering and local highway improvement schemes that improve road safety, promote sustainable travel, and enhance the quality of life for communities across Gloucestershire. Key responsibilities will include but not be limited to: • Supporting the planning, coordination, and delivery of highway and traffic engineering projects. • Assisting with project documentation, programme monitoring, cost tracking, and reporting. • Liaising with designers,...

A Charity in London have launched a programme of work to adopt simple, standard and modern processes in the everyday operations, underpinned by an Oracle cloud-based Enterprise Resource Planning software-as-a-service (SaaS) solution. They are now seeking a Cutover Manager who will lead all planning, coordination and execution of activities required to transition them from legacy Finance, HR, Payroll, Procurement and Research Management systems into Oracle Fusion, ensuring a smooth, controlled and well-governed go-live. This role overseas all cutover workstreams; technical, data, business readiness, environment, testing, exit criteria, communication and hypercare planning, to ensure the organisation is fully prepared for Day 1 operations. The role can be offered on either a Fixed Term contract (£80-90k per annum) or a daily rate or arpund £600pd (inside IR35). Key Responsibilities Develop and maintain the detailed cutover plan aligned to the overall plan-on-a-page and...

Copello are seeking an experienced Embedded Systems Engineer for a 3–6 month contract with a leading defence organisation based in Buckinghamshire. This is a technically challenging role within a highly regulated environment, supporting the development of advanced systems, ideally within an avionics or wider defence context. The successful candidate will combine strong hands-on embedded development expertise with the ability to lead and coordinate a small engineering team. This role is inside IR35 and requires candidates to be eligible for SC clearance. Key Responsibilities * Lead and manage a small embedded systems engineering team, providing technical direction and oversight * Design, develop and debug embedded software for ARM-based SoCs * Develop and maintain secure boot chains and low-level board support packages * Work across bare-metal and RTOS environments * Support integration, verification and validation activities within a defence framework * Perform...

Are you looking for a new contract assignment? Do you have experience designing mechanical components and systems for the aerospace industry? If so, this position could be perfect for you! Our client (a growing, well-respected, and market-leading aerospace manufacturing organisation) is looking to recruit several mechanical design engineers on a contract basis to support with a large package of work. Contract Aerospace Mechanical Design Engineer Inside IR35 Contract 6-month Contract Duration Bristol - 4 days on site (1 WFH) Multiple Positions Available Contract Aerospace Mechanical Design Engineer Job Description Design and develop a range of mechanical high precision components Prepare scheme drawings, and detail manufacturing drawings for production Perform mechanical component development and integration Solve a variety of mechanical engineering issues and improve existing designs Utilise CATIA V5Contract Aerospace Mechanical Design Engineer Essential...

Role: Prinicipal Structural Engineer Location: Gosport-onsite Duration: 6 months Rate: £600-£700/day Inside IR35: Umbrella About our Client: Our client is a leading company in defense and aerospace technology, specializing in cutting-edge research, testing, and innovation across multiple sectors. They are known for their state-of-the-art facilities and highly skilled workforce, making them a key player in advancing technology and delivering high-quality solutions. The Role As a Principal Maritime Structural Engineer, you'll be responsible for delivering work streams whilst guiding a mixed discipline engineering team. Ultimately enabling the engineering delivery of a large multi-year high profile maritime project within the Maritime defence sector. Day-to-day, you will use Finite Element Analysis (FEA) to model and assess the structural response of submarine propulsors under quasi-static and dynamic conditions. Responsibilities include developing and reviewing FEA models,...

Contract positions Inside IR35 On site in Cambridgeshire Proven Engine development experience is Essential Control Development Engineer: Develop, maintain, and debug engine control algorithms in MATLAB/Simulink/State flow . Execute MIL/SIL/HIL validation, static code analysis, and auto‑code generation aligned with embedded software processes. Experience with AUTOSAR architecture, software component configuration, and tooling Familiarity with CAN/LIN/Control Systems Engineer: Responsible for the design, development, calibration, and integration of engine control systems Contribute to FMEA's Plan, develop and execute validation activities. Integrate control systems with engine hardware, sensors, and actuators Support calibration, testing, and troubleshooting using HIL, dyno, and field test environments

Senior Engine Control Software Engineer Location: Hethel, UK Contract: Inside IR35 | 3 Month Contract Role Summary The Senior Engine Control Software Engineer will play a pivotal role within a high-performance powertrain environment, leading the design and delivery of embedded control software for next-generation V6 and V8 turbocharged engines and transmission platforms. This Senior Engine Control Software Engineer position focuses on robust, production-level ECU software, ensuring quality, compliance, and performance across demanding operating conditions. Role & Responsibilities Lead development of embedded engine control software for advanced propulsion systems Implement control and diagnostic software for new engine and transmission features using C/C++ Collaborate with Controls Design Engineers, Systems Engineers, and Architects to define and align software and functional architectures Develop, test, and maintain production-level ECU software ensuring MISRA compliance...

BIM Technician (MEP) - Contract (6-9 Months)   Heathrow Airport Contract Position (6-9 Months) Day Rate - Competitive Day Rate   Company Info   My Client is a specialist MEP contractor delivering high-quality mechanical, electrical and public health installations across complex commercial, aviation and infrastructure projects. Due to ongoing works at Heathrow Airport, we are seeking an experienced BIM Technician (MEP) to support our project delivery team on a live aviation scheme.   Role Overview This is a contract position based at Heathrow Airport, supporting the coordination and delivery of MEP services within a live aviation environment. The successful candidate will be responsible for producing and managing coordinated 3D models, ensuring clash-free installations, and supporting site teams with accurate, buildable information. Experience working on airport or live infrastructure projects is highly desirable.   Key Responsibilities Develop, update and manage...