89 software engineer jobs found

C# / .net Software Engineer Milton Keynes - first few days for training then 1 site visit a month 6 Months Contract £550 per day We are looking for an experienced C# Software Engineer to join the team and support us on our journey in transforming our application landscape to provide a modern, cloud hosted finance platform. This exciting opportunity offers the chance for you to work for a fantastic brand and to help shape our digital future. About the role As a key part of the scrum team, you will help to shape the company's core products, working on green and brownfield solutions using the latest technologies. You will play an important role in the product lifecycle, contributing to design, from development through to delivery. About you We are looking for a good communicator and strong team player with skills aligned to our tech stack. We would expect you to have strong experience in most of the following: Tech Stack C# .Net Core Typescript React Web API Kubernetes /...

Application Software Engineer required for long term contract assignment based in Bristol. Candidates must be eligible for "UK Eyes Only" security clearance. Skill and experience required: Experience in developing application-level software (C++, C#, Java or similar). Familiarity with CI/CD pipelines and modern software engineering practices. Knowledge of Data Distribution Service (DDS) is advantageous. Defence industry experience is advantageous. Overview of the opportunity: The team is implementing a demonstration system for a complex new Command and Control application, which extends existing concepts and logic. If the demonstration is successful, it may develop into a project for a fully operational capability. We're looking for an engineer who enjoys turning system needs into working software, working closely with domain specialists, and delivering capabilities in short timescales. Responsibilities: Application development and testing, including sophisticated...

Application Software Engineer - UK-based | Hybrid working - Defence & Advanced Technology On behalf of our client, a leading UK-based organisation operating at the forefront of defence, security and complex systems engineering, we are seeking an Application Software Engineer to join a growing, highly technical software team. This organisation designs and develops some of the most advanced command, control and mission systems in service today, working on projects that have genuine national and international impact. The Opportunity The successful candidate will support the delivery of a demonstration system for a next‑generation Command and Control application, extending established concepts and introducing new logic and capabilities. This demonstrator plays a critical role in shaping future full‑scale operational systems. This is an excellent opportunity for an engineer who enjoys translating system-level requirements into high‑quality, working software, collaborating...

Software Engineer 12 Month Contract Newcastle or Guildford (Hybrid) up to £70 per hour Role Overview Belcan are currently working with one of the leading companies in Aviation, to support them in their search for a Software Engineer. The Software Engineer will join their collaborative, forward-thinking Agile Scrum team, working on innovative Geospatial software, using the latest cloud-based technologies. The engineer will be involved in every stage of the software development lifecycle, from initial design through development, testing, and deployment, delivering robust, scalable cloud-based services. The role is based at the clients Newcastle or Guildford office. Flexible working arrangements are in place for the team. The successful candidate is expected to be in the office 3 days a week, with the opportunity to work 2 days from home. Responsibilities Develop high-quality, readable, scalable and easily maintained code, using Java and related technologies, meeting...

An opportunity has arisen with my client for a Embedded Ada Software Engineer to join them on an initial 12 -month contract. As the Embedded Ada Software Engineer you will work across the entire software engineering lifecycle, from discussing requirement change with the Systems team, all the way to being involved with qualification and software releases. Role: Embedded Ada Software Engineer Pay: £68 per hour via Umbrella Company Location: Bristol Contract: 12 Months Hours: Monday - Friday, 37 hours per week Security Clearance: Security Clearnce to start, UK Eyes only project Responsibilites Develop and maintain safety-critical command and control (C2) software for advanced maritime and land-based missile systems, ensuring compliance with rigorous industry and defence standards. Collaborate with Systems Engineering teams to review, analyse, and implement evolving system requirements throughout the full software development lifecycle. Design, code, test, and verify...

My client is seeking to recruit a Fullstack Software Engineer on an initial 12 month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services and consistently seek to iterate on and improve them Participate in code reviews, continuously improving personal standards as well as the wider team and product Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software...

Software Engineer Certain Advantage is hiring for a Software Engineer based in the Guildford or Newcastle area. This role is on a contract basis and is hybrid-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineer —someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: High-quality, readable, scalable and easily maintained code, using Java. Contribution to quality assurance by writing unit and automated tests. Design and code reviews Sprint planning, reviews, and daily stand-ups in a true Agile environmentThe Individual We’re looking for...

C++ Engineer Certain Advantage are hiring for a C++ Engineer based in London. This role is on an initial contract till the end of the year and is hybrid. The company We’re working with an organisation that operates globally, helping power homes, transport, and industries with the energy they depend on every day. The role: Implement solutions using the provided exchange SDKs in different languages such as C++, Rust, Python, Typescript Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange Implement trading algorithms based on requirements provided by traders and quants Acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation Continuously improve the...

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Embedded ADA Software Engineer subcontractors on an initial 12 month contract.  The role will likely be required to be onsite, but it can be worked on a 4-day week basis.   Essential - ADA, Background in safety critical software. Desirable - Linux, Doors, Dimensions, UML, Mascot etc.   Contract Duration: 12 Months initially and then ongoing. Hourly Rate: £68.00ph (Umbrella).   Overtime rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’   Embedded ADA Software Engineer Job Description: We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products to our customers. The System software department covers all aspects of command and control software (C2) for both land and maritime missile systems. We are expanding the Sea Viper and Sea Ceptor missile C2 team for the development of the next generation of...

Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week.   Your responsibilities: Contribute across the full software development lifecycle, including design, development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write and maintain automated tests, ensuring quality and reliability are built into the solution from the outset. Participate in Agile ceremonies including sprint planning, estimation, reviews and retrospectives. Collaborate closely with team members and wider stakeholders to design, implement and test new product features. Contribute...

Software Engineering Manager Certain Advantage is hiring for a Software Engineering Manager based in the Farnborough area. This role is on a contract basis and is site-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineering Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Lead the day-to-day activities of the software team Plan, design, develop, verify, and integrate the software for the high-altitude, long-endurance Zephyr aircraft. Acting as the technical authority for software, ensuring compliance with safety, performance,...

The Flight Simulation Software Engineers will be working on one or more of these software technical areas; Sound Systems Systems Simulation Environment Systems Simulation Visual Systems Vendor Software Roles require Full Lifecycle Design, Code & Test Software Engineers with proven ability in • C/C++ programming skills • A good practical understanding of the Systems Engineering V-model and/or the Software Development Lifecycle • An individual with drive, enthusiasm and can-do attitude coupled with the ability to work collaboratively in a multi-disciplinary team • Demonstrate the ability to work under minimal supervision • Strong verbal, presentation, written communication and inter-personal skills • An appropriate engineering degree or equivalent (with mathematics, science or engineering) or proven engineering experience in the aviation/aerospace industry. Desirable Skills and Competencies • Experience of safety critical systems and software in aerospace, automotive or a...

Our client, a distinguished organisation in the Defence & Security sector, is currently seeking a skilled Embedded DSP SW Engineer to contribute to their Software Defined Radio Datalink projects. This contract position based in Stevenage offers an exciting opportunity to make a significant impact in a cutting-edge field. Key Responsibilities: Developing software for digital signal processing (DSP) applications Implementing embedded C programming for software-defined radio datalink projects Utilising SysML/UML for system modelling and design Collaborating with cross-functional teams to ensure successful project delivery Conducting detailed technical assessments and troubleshooting issues related to software and hardware interfaces Maintaining documentation to support software development processes Adhering to security clearance requirements and industry regulations Job Requirements: Extensive experience in digital signal processing (DSP) Proficiency in embedded C...

Embedded Software Validation Engineer (HIL / Automotive / EV) Contract | Competitive Day Rate | Onsite We are hiring an experienced Embedded Software Validation Engineer to support cutting-edge electric vehicle (EV) and charging systems development within a high-performance engineering environment. This role focuses on embedded software testing, verification, and validation using Hardware-in-the-Loop (HIL) systems, ensuring delivery of safety-critical automotive software to the highest standards. Key Responsibilities: * Lead embedded software validation and verification activities * Develop and execute test plans, test cases, and test frameworks * Perform testing using HIL systems (dSpace preferred) * Ensure compliance with ISO26262 / ASIL functional safety standards * Conduct root cause analysis and debugging of system issues * Support test automation and continuous integration (CI/CD) environments Key Skills & Experience: * Strong experience in...

Software Test Engineer Certain Advantage is hiring for a Software Test Engineer based in the Guildford or Newcastle area. This role is on a contract basis and is hybrid-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Test Engineer —someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Task estimation in accordance with sprint planning. Design of tests within an agile environment using a test management tool. Design and execution of automated and exploratory tests, particularly in RESTful API environments. Test of Web applications Contribution...

Java Developer - IDAM/ IDM SME - SC Cleared - £550 - £650 per day - remote with occasional travel Developer - IDAM/IAM SME SC Cleared - £550 - £650 per day We are looking for a Developer with very strong and proven IDAM (Identity and Access Management) experience for a large Government client. 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). Java Developer - IDAM/ IDM experience - SC Cleared - £500 - £600 per day - remote with occasional travel As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing,...

Avionics Systems Engineer Location: Yeovil, 2/3 days per week on site Duration: 6 Months Rate: £60 – 65 Ph Ltd To carry out requirements definition, design, development, integration, test, certification (Military and Civil) and support of Avionic and Mission Systems. KEY JOB ACCOUNTABILITIES TO INCLUDE BUT NOT LIMITED TO: • Responsible for the definition, design, development, integration, testing, qualification and in-service engineering support for avionics and mission Subsystems. The role offers significant variety and could include, however, will include a number of the aspects outlined below: • Capture of requirements for Subsystems and the scheming of optimal solutions, including consideration of safety and airworthiness aspects. • Leading and undertaking detailed design and specification of Subsystems, including the preparation of requirements specifications and statements of work for vendor products or internal software developments. • Leading the...

Role: Principal Site Reliability Engineer (Platform / DevOps) Location: Wokingham (Reading) - Hybrid (60% remote / 40% onsite) Duration: 6 Months+ Rate: £500-£520 per day Clearance: Active SC Clearance required (mandatory) Overview We are seeking an experienced Principal SRE / Platform Engineer to lead platform-first initiatives focused on scalability, reliability, and performance across distributed systems. This role requires strong DevOps expertise and the ability to design and maintain resilient cloud-based infrastructure. Key Responsibilities Lead platform-first engineering initiatives to enhance scalability and reliability Design, build, and maintain resilient infrastructure for distributed systems Implement monitoring and alerting solutions to ensure high availability Collaborate with engineering teams to improve system reliability and mitigate risks Develop and maintain CI/CD pipelines to support efficient deployments Recommend ongoing improvements to platform...

Certain Advantage are recruiting on behalf of our Trading client for an AI Engineer on a contract basis for 6-12 months initially in London. This will require some onsite days in Central London during the week. We are seeking Engineers skilled in python with a strong focus on GenAI AI and LLMs to lead the integration of cutting-edge language technologies into real-world applications. If you’re someone passionate about building scalable, responsible, and high-impact GenAI solutions then this could be for you! We’re looking for Engineers offering competent core technical skills in Python Programming, Data Handling with NumPy, Pandas, SQL, and use of Git/GitHub for version control. Any experience with these GenAI Use Cases would be relevant and desirable; Chatbots, copilots, document summarisation, Q&A, content generation.   To help make your application as relevant as possible, please ensure your CV demonstrates any prior experience you have relating to the below;     System...

Expleo are seeking an experienced Software Architect to support a major Automotive OEM based in Warwick(Contract role). This is a fantastic opportunity to join a leading global engineering services provider and work on cutting‑edge automotive software within a highly innovative environment. As a Senior Specialist, you will be recognised as a subject matter expert, leading complex software architecture activities and guiding cross-functional teams in delivering robust, scalable, future‑proof software solutions. Key Responsibilities:- As a Software Architect, you will be responsible for architecting software across multiple categories, including end‑user applications, platform/utility software, and embedded automotive systems. Your key duties will include: Software Architecture & Design Perform complex software process definition, requirements analysis, and high‑level design/modelling to translate stakeholder needs into viable software solutions. Design and specify the...