1 to 25 of 29 Contract Software Engineer Jobs in the South East

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in … an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of the work these clients do … you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements More ❯

Job Title: Data Engineer/Software Engineer - AI/ML Research Location: London- UK (Hybrid role) Duration: Contract- Until Dec 25 with a possible extension About the Role We are seeking a Data Engineer/Software Engineer to support a pioneering project focused on LLM agents for research . You will play a key … data mitigation and filtering tasks with minimal overhead. Develop tools that enable LLM agents to process and manage data automatically. Required Skills & Qualifications Solid background in data engineering or software engineering . Proficient in Python and pipeline development . Experience with data cleaning, transformation, and validation . Understanding of modern data storage systems and formats. Strong communication and collaboration More ❯

Lead Software Engineer - Active NPPV3, SC, Java, Oracle, AWS Up to £550 per day (Inside IR35) London/Remote 6 to 12 Months My client is an instantly recognisable consultancy who require a Lead Software Engineer with Active NPPV3 and Active Security Clearance (SC), to join a business critical programme with an end client. Key Requirements … Proven experience as a Lead Software Engineer Active NPPV3 and Active Security Clearance (SC) Proven experience in migration of legacy (Java) to modern versions (EE/EJB to Spring) Migration from Oracle to PostgreSQL, and from Data Centre to Cloud (AWS) Understanding of Java Standard Edition 8, Java Enterprise Edition 5, 6 and 11 Demonstrable experience with PL More ❯

Principal Software Engineer - Active NNPV3, SC, Java, Oracle, AWS Up to £635 per day (Inside IR35) London/Remote 6 to 12 Months My client is an instantly recognisable consultancy who require a Principal Software Engineer with Active NPPV3 and Active Security Clearance (SC), to join a business critical programme with an end client. Key Requirements … Proven experience as a Principal Software Engineer Active NPPV3 and Active Security Clearance (SC) Proven experience in migration of legacy (Java) to modern versions (EE/EJB to Spring) Migration from Oracle to PostgreSQL, and from Data Centre to Cloud (AWS) Understanding of Java Standard Edition 8, Java Enterprise Edition 5, 6 and 11 Demonstrable experience with PL More ❯

Scientific Software Engineer Salary: £56,509 to £62,159 per annum (dependent on skills and experience) Hours: Full time or Part-time (minimum 30 hours per week) Contract Type: Fixed Term to 31st March 2027 Location:Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell, Oxfordshire OX11 0DE Come and do the kind of work that got you … at higher data rates, and we aim to transform the methods available to our users for both data collection and data analysis. We are seeking to recruit a scientific software engineer to develop the software to maximise scientific exploitation of our data. You will develop data acquisition and data analysis software for a variety of ultrafast … laser spectroscopy experiments, including: Providing data analysis software for photoemission spectroscopy, to enable on-the-fly analysis of spectra. Adapting commercial data acquisition software for photoemission spectroscopy with a momentum microscope and hemispherical analyser to work with laser-based experiments. Building on existing data acquisition and analysis interfaces for spectroscopy techniques including time-resolved infrared, visible and Raman More ❯

World Class Defence Organisation is currently looking to recruit 3x C#/C++ Software Engineer subcontractors on an initial 12 month contract. Job Title: C#/C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid/Remote working: The role will be a hybrid role of 3 or 4 days per week onsite. The role … per week will be calculated at time and a quarter Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C#/C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the … work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy to develop simulations and representations of real equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development. Skillset/experience required: Proficient in C#/C++ Microsoft Visual Studio, Eclipse More ❯

Software Engineer - FinTech/Compliance Systems A leading organisation is seeking a Software Engineer to join its fast-paced technology function, focused on developing secure, scalable and compliant systems that support complex regulatory requirements and partner onboarding experiences. This is an exciting opportunity to work at the intersection of technology, risk management and innovation, building next … processes and enable business growth. What You'll Do: Design and develop scalable, high-performance microservices to support compliance, onboarding and risk management processes Own critical components across the software architecture, ensuring reliability and performance Build internal tooling and reporting dashboards to support compliance officers and analysts Work with cross-functional teams to understand requirements and implement automated solutions … complex technical problems with a strong customer-centric focus Help automate and modernise legacy systems to reduce manual intervention and increase resilience What You'll Bring: Experience in backend software development Proficiency in Java and at least one other server-side programming language Experience with microservices architecture and distributed systems Strong understanding of data storage technologies (MySQL, Hadoop, Cassandra More ❯

Contract Software Engineer - MATLAB 12 Months Inside IR35 £400-600 per day DoE Essex based Our client, a much-admired electronic component manufacturer, is seeking a MATLAB-based Test Software Engineer to work on image analysis, image processing, and algorithm systems. Key Responsibilities Design, develop, and deliver software using MATLAB and LabVIEW. Apply advanced image … analysis and image processing techniques to large space datasets from CMOS, CCD, and IR sensors. Analyse scientific image data using algorithms and mathematical modelling. Deliver software work packages and documentation for test plans and reports. Ensure delivery of allocated work packages on time and to high technical standards. Present technical information at project meetings and contribute to key actions. … Maintain software quality assurance throughout the project lifecycle. Experience needed: Strong experience with MATLAB, especially in image analysis, processing, and algorithm development. Experience working with imaging data or high-resolution scientific images is highly desirable. Familiarity with LabVIEW in a test or ATE environment. More ❯

Role: Software Engineer Our leading Financial Services client is looking for a highly skilled Software Engineer to join their team for a 6-month initial contract. Key Responsibilities: Develop and maintain applications using ZOS Connect EE, DB2 Rest, and CICS web services. Utilize development tools such as FileAid, Xpeditor, IBM Explorer for ZOS API, and Visual More ❯

Research Software Engineer Location: London (Hybrid) Duration: 8 weeks initially Salary: £30 an hour (Via an umbrella company) Role Overview We are seeking a Research Software Engineer to support computational and data science projects within the Department of Earth Science and Engineering. The role involves close collaboration with researchers to develop, implement, and support high-quality … software solutions for both teaching and research. Key Responsibilities Collaborate with researchers to deliver data-driven and computational research solutions. Manage technical projects, including requirements gathering, planning, and risk management. Define and promote software development best practices (testing, CI/CD, version control). Design and deploy scalable software systems with monitoring in mind. Apply high-performance … research students and contribute to the department's technical strategy. Engage with academic and technical stakeholders across the College. Person Specification Essential: Postgraduate qualification or equivalent experience in research software development Experience collaborating on research or computational projects Proficient in at least two research programming languages (e.g. Python, C++, R, Fortran, Matlab) Full software development lifecycle experience Strong More ❯

Adoption Software Engineer - Authorisation Location: Glasgow, London, or Radbroke (Hybrid - 2 days per week) Contract Length: 6 months with Possibility Of extension Join a high-impact engineering team! We're looking for an Software Engineer to help transform how we deliver secure, scalable technology. You'll work on a platform used by millions globally, driving the More ❯

AI Software Engineer London - Hybrid (2-3 a month in office) 6-month contract Salary: £113,500 About Us: Join our innovative organisation at the forefront of AI technology. We are dedicated to building cutting-edge solutions that harness the power of AI and machine learning to transform industries and enhance user experiences. If you are passionate about … services such as Lambda, Step Functions, Bedrock, S3, ECS/Fargate, DynamoDB, and API Gateway to support scalable, serverless infrastructure. Write production-grade Python code, following best practices in software design, testing, and documentation. Build robust CI/CD pipelines and advocate for DevOps and Infrastructure as Code (IaC) practices using tools like CDK or Terraform. Stay current with … developments in LLM orchestration, multi-agent systems, prompt engineering, and LangChain/LangGraph frameworks. Minimum Requirements: Experience as a Software Engineer, and AI/ML or LLM-centric development. Proven track record with LangGraph, LangChain, or similar orchestration frameworks. Expert in Python (asyncio, FastAPI preferred). Hands-on experience building and deploying applications on AWS, particularly using Lambda More ❯

Job Title: Senior/Lead Backend Software Engineer (Contract) - banking indusrry - TYK experince Location: hybrid (UK-based only) Contract Length: 6 months IR35 Status: Inside IR35 Start Date: ASAP About the Role: We are looking for an experienced Senior to Lead-level Backend Software Engineer to join our team on a 6-month contract. You'll More ❯

Fully remote: We are looking for an experienced senior software engineer to work within our Shared Services organisation. You will work with existing teams to build, enhance, maintain and support our existing and future products and services. Primarily working with AWS AI technologies, you will be building services which accelerate the vision of our stakeholders, providing tangible benefits … across our company. Responsibilities: Design, develop, and maintain software solutions utilizing AWS AI services such as Amazon Lex and c (LLMs). Collaborate with cross-functional teams to integrate AI capabilities into contact centre solutions. Write clean, efficient, and maintainable code in TypeScript. Implement and advocate for DevOps best practices, including CI/CD pipelines, automated testing, and infrastructure … as code. Lead and participate in code reviews to ensure code quality and adherence to best practices. Troubleshoot and resolve complex technical issues across multiple areas of the software stack. Stay up-to-date with the latest industry trends and technologies to ensure our solutions remain competitive yet sustainable. Requirements: Proven experience as a Senior Software Engineer More ❯

Go Engineer/GoLang Engineer/AI Engineer/AI Developer/Software Engineer - Go We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. Are you ready to bring your Lead Software Engineering expertise to the next level? We're looking … s commercial goals by harnessing artificial intelligence and machine learning technologies to develop new products, improve productivity, and enhance risk management effectively and responsibly Overview: Designs and develops creative software solutions, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops secure high-quality production code, and reviews … and debugs code written by others Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems Leads evaluation sessions with external vendors, startups, and internal teams to drive outcomes-oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architecture Leads communities of More ❯

World Class Defence Organisation is currently looking to recruit a Software Engineer Subcontractor on an initial 12 month contract. The role can be based from either the companies Stevenage or Bristol site, depending on your preference. Rate: £75ph (Umbrella) Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at time and a quarter … Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Job Description: The department are looking for an for experienced Software Engineer to join the delivery team undertaking the development of an application level C++ Engine which handles data processing; computer cluster management; and interfaces between different Matlab/ More ❯

Embedded Software Engineer - Contract Oxford Inside IR35 Hybrid £55-60/h Immediate Start Highlights of this role: Collaborate with a talented team of engineers to develop and optimize embedded software solutions Leverage your problem-solving skills to tackle complex challenges and drive technological advancements Contribute to the growth and success of a respected industry leader in … engineering and manufacturing Preferred Requirements: Proficient in C/C++ programming and experience with embedded systems and microcontrollers Familiarity with real-time operating systems and experience in software design and development Strong understanding of software architecture, algorithms, and data structures Ability to work collaboratively in a team environment and communicate effectively with cross-functional stakeholders Passion for staying … up-to-date with the latest trends and technologies in the embedded software field Preferred Qualifications: Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field Proven track record of successful software development projects in an engineering or manufacturing environment Certifications or specialized training in embedded systems or software engineering are a More ❯

C# Software Engineer Location: Stevenage or Bristol, Full time on site initial 3 month period, then hybrid working Duration: 12 Months initial SC Clearance Required Rate: £65 ph Umbrella Overview of department: WSSE are integral in the development of weapon systems and system architectures, and as a result have developed a capability supporting developments across the full product … work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy to develop simulations and representations of real equipment. Our approach to software development includes: o Configuration control o Continuous Integration o Continuous Delivery or Deployment. o Unit testing and test driven development. Key Skillset Essential: Proficient in C#/C++ Microsoft More ❯

Are you a talented Flight Simulation Software Engineer with a passion for cutting-edge technology? Do you want to work on projects that push the boundaries of aerospace innovation? Look no further! At our aerospace business in Greater London, we're developing world-class flight simulators that are shaping the future of aviation training. Join our dynamic team … Work on the design, development, and integration of flight simulators used by top-tier aerospace organizations. • Collaborative Environment: Engage with cross-functional teams of experts in systems, hardware, and software engineering. • Innovative Technology: Build next-gen simulation solutions, including control systems, user interfaces, and avionics hardware. • Develop real-time software for flight simulators, from control systems to graphical … in the full lifecycle of the product from requirements analysis through to customer acceptance and post-delivery customer support What you'll bring The role of a Flight Simulation Software Engineer requires the following experience and skills: • C programming skills • A good practical understanding of the Systems Engineering V-model and/or the Software Development Lifecycle More ❯

Role Description As part of the Test Systems team at BAE Systems Rochester, you will be working on active projects developing application software used to test and simulate various avionic systems. Test Systems provides equipment used to develop and test components such as Head-Up Displays, mission and flight control computers, and flight controls. Expectations You will have some … expeience of the software engineering lifecycle, from requirements analysis, design methods/activities, verification, through to formal release and configuration. Existing programming language knowledge such as LabVIEW, TestStand, C++, Python, and C# are deseriable and your skills and capabilities should be clearly identified on CV. Being proactive and able to research and learn what is required to perform the … Test Equipment solutions that support the complex and demanding requirements of the diverse variety of Products developed at the Rochester site. Test Equipment Systems Requirements and Validation. Test Equipment Software Architectures. Test Equipment Software Requirement Generation/Derivation. Test Equipment Software Top level and detailed Design. Test Equipment Software Integration. Test Equipment Software Verification/ More ❯

World Class Defence Organisation based in is currently looking to recruit a Full Stack Software Development Engineer. Rate: £67.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at time and a quarter Location: Stevenage Hybrid/Remote working: 4 days per week onsite (a 4 day week of Monday to Thursday … Months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: 1 or 2 stage video interview Full Stack Software Development Engineer Job Description: The Environment Simulator Group provide a real-time environment, running simulations of the sub-systems to test the operation of the unit under test. You … agile development environment. You have the ability to identify and solve complex problems. You have the ability to design innovative and user-friendly interfaces. You are familiar with modern software testing and deployment practices such as TDD & CI/CD You can set up CI/CD Pipelines You are comfortable with all aspects of the software development More ❯

to the overall design of the system. Develop automated tests and conduct performance tuning Contribute to code reviews Key qualifications Bachelor's degree in a technical field, computer science, software engineering or similar. 10+ years experience in software development, spanning backend, web frontend and large scale systems In-depth knowledge of Angular, React or NextJS, including state management More ❯

Outside IR35 , 12-month initial term (with potential for extension or permanent employment) Industry: Financial Services/Technology Consulting About the Role We are seeking a highly skilled Backend Engineer to join a newly established Centre of Excellence (CoE) focused on delivering secure, scalable, and production-grade digital solutions for the financial services sector. This is a hands-on More ❯

we're a fast-growing team of engineers, scientists, product thinkers and health experts working to redefine the future of wellbeing. We're looking for a talented Senior Backend Engineer to join our growing H&B&Me technology team on a 12 months fixed term contract — our digital health and wellness platform transforming the way customers take control of More ❯

Roc Search Tech have a 3 month contract available for a (SDET) Software Development Engineer in Test to join a growing Fintech startup in London. IMMEDIATE STARTInside IR35 - Day Rate TBCLocation: London - Hybrid (2 days a week in the office)Responsibilities:* Design, implement, and execute automated test suites using BDD principles and frameworks.* Prioritise test robustness and execution More ❯