51 to 75 of 122 Senior Software Engineer Jobs in the South East

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking More ❯

Senior Embedded Software Engineer | £60-65k + £5-6k p/a bonus | Aylesbury My client is an elite company in the medical sector developing cutting edge solutions for lifesaving products. They are currently developing a ground-breaking, cutting edge surgical robot, and looking for a Senior Electronic Design Engineer to help lead More ❯

Senior Embedded Software Engineer £60-65k + £5-6k p/a bonus Aylesbury My client is an elite company in the medical sector developing cutting edge solutions for lifesaving products. They are currently developing a ground-breaking, cutting edge surgical robot, and looking for a Senior Electronic Design Engineer to help lead More ❯

Chichester, United Kingdom Posted on 13/05/2025 Are you looking for a software role with real impact? One where you're a key part of a team that thrives on innovation and fresh ideas? As Senior C++ Software Engineer at sees.ai, you'll spearhead the development of our software as we begin … perspectives and innovative problem-solving. Here, your expertise won't just contribute, it will directly shape technology that's on the cusp of a huge breakthrough. The Role As Senior C++ Software Engineer, you'll lead the development of our drone software stack, ensuring robustness and scalability as we transition from prototype to global deployment. You … analysis. What You'll Do Architect & Refactor: Ready our C+ codebase for production scale, balancing urgent fixes with long-term system improvements. Build Safety-Critical Systems: Develop flight control software, 3D simulation tools, and APIs that deliver drone reliability in demanding environments. Collaborate Cross-Functionally: Partner with the Integration and Operations Teams to test new and existing features, integrate More ❯

Senior Software Engineer – Embedded Systems | Defence Tech | Southampton (On-Site) 📍 Southampton | 💼 Permanent | 💰 Up to £60,000 + Benefits | 📡 VC-Backed Scale-Up (Series B, £3.8M) Are you an experienced embedded engineer who thrives on building high-performance systems in real-world environments? We’re working with a VC-backed engineering scale-up that develops advanced radiation … detection and identification technology for Defence, security, and emergency services. Following £3.8M in Series B funding and consistent growth, they’re now expanding their software engineering team — and this is your chance to get involved in technically challenging, meaningful work . 🔧 What You’ll Do Design and implement embedded software solutions across Linux and RTOS platforms Work closely … Solve complex problems involving real-time performance, reliability, and safety Participate in code reviews, sprint planning, and collaborative decision-making 🧰 What You’ll Bring 5+ years’ experience in embedded software development using C/C++ Strong knowledge of Linux systems , device drivers, and hardware interfacing Experience working with embedded systems , real-time constraints, and low-level protocols Proficiency in More ❯

Job Title: Senior Software Engineer Location: Portsmouth Broad Oak. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Up to £55,000 dependent on experience What you'll be doing: Designing, reviewing, developing, testing, documenting, configuring and delivering software products to the … and performance of systems Providing specialist technical advice and guidance to other professionals, technician engineers and/or customers, and works with a high degree of technical autonomy Testing software products sufficiently to ensure software product quality is maintained and minimal or no re-work is required Investigating and resolving issues and problems raised during any stage of … the development lifecycle, including software and system integration, qualification, and in-service trials Production of appropriate technical documentation Communicating effectively, identifying early potential risks, seeking clarification and providing feedback to team members and leadership Supporting estimation of development activities Your skills and experiences: BEng/BSc in Computer Science or similar software qualification Experience with all phases of More ❯

T24 Principal Software Engineer Location: London - Hybrid 3 days a week in the office Duration: Initially 6 months Rate: £market rate The company: Global Technology company delivering digital transformation to a financial services end client. The knowledge, experience and qualifications you need Wide, detailed, and up-to-date experience of the technologies and tools in your area. Plenty … of experience in the full lifecycle of developing software from the first idea to the final execution Mandatory to have L3 code development skills with hands-on experience. TAFJ knowledge and code library management experience. Local code development skill using Info Basic and TAFJ componentized codes. In-depth Technical knowledge of T24 Customization and OFS processing. Linux basics. Agile … delivery experience, especially around discovering requirements and preparing user stories. A good understanding of testing approaches and putting testability at the heart of software design and development. The ability to establish relationships with stakeholders at all levels A good understanding of system integration patterns and associated technologies. Excellent written and spoken English, and communication skills to help manage relationships More ❯

parties to utilise our inventory. We provide the tools which help our customer services team provide world class service to travellers and operators internationally. We're looking for a Senior Software Engineer to join our fast-growing team. This role is hybrid out the Oxford or London Tripadvisor office. Within Viator we have a fun and friendly … environment where the key objective is getting things done. Working closely alongside product managers and designers, our engineers are part of the full process from software design, to code, to test, to deployment and back again. Most of our engineers release code to production every few days and we have a daily release cycle. This is a backend focused More ❯

parties to utilise our inventory. We provide the tools which help our customer services team provide world class service to travellers and operators internationally. We're looking for a Senior Software Engineer to join our fast-growing team. This role is hybrid out the Oxford or London Tripadvisor office. Within Viator we have a fun and friendly … environment where the key objective is getting things done. Working closely alongside product managers and designers, our engineers are part of the full process from software design, to code, to test, to deployment and back again. Most of our engineers release code to production every few days and we have a daily release cycle. This is a backend focused … of your rights. Do you currently have the right to live and work in the United Kingdom? Select Do you have recent java experience to the level of a Senior Engineer? Select More ❯

projects. This includes designing and building new functionality, enhancing existing systems, and modernising legacy applications. You’ll work closely with various teams across the business to develop high-performance software solutions that drive growth. Key Responsibilities: Develop and maintain SPA (Single Page Applications) using Angular, HTML, CSS, and TypeScript. Build and enhance web services and RESTful APIs using C# More ❯

Senior Software Engineer/Developer (Go Golang) London/WFH to £100k Are you a senior, backend focussed Software Engineer with strong Go/Golang coding skills and real-time messaging experience? You could be progressing your career in a hands-on role at a global cryptocurrency market data and trade execution technology company … that is experiencing great success and is growing as a result. As a Senior Software Engineer you will work on cutting edge systems that handle a million messages per second from a diverse range of external APIs within a high performance data pipeline. You'll design and implement high throughput data services with a focus on scalability … educated in Computer Science or similar technical discipline You have a personal interest in traditional financial markets or the cryptocurrency space What's in it for you: As a Senior Software Engineer you will receive a comprehensive package: Salary to £100k Bonus Continual learning and self development opportunities working on cutting edge systems Apply now to find More ❯

Senior Software Engineer Location: Rochester (flexible hybrid available) Salary: Up to £80,000 depending on skills and experience ** Please note we can only consider sole UK nationals for this role ** This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity, rewards integrity … vehicles, human-machine interfaces, and power management. Our systems operate in more than 100 countries with 25 air forces, 30 manufacturers and 280 airlines. What you’ll be doing: Senior Software Engineer Development and implementation of embedded software, peripheral drivers, protocols, human-machine interfaces and associated supporting certification documentation Requirements analysis and definition, System/Software Architecture/Design, Modelling and Simulation, Systems/Software Integration, Verification and Validation, Safety Critical Development techniques Peer review and technically guide the work of others, produce size/re-use estimates, reliably estimate your own work Liaise with customers on technical issues, define processes/procedures, perform design review assessments, and make sound strategic technical decisions within More ❯

Senior Embedded Software Engineer £ 40k - 50 k Reading 1 or 2 days a week on-site My client is an elite company in their niche, providing electronics and software design services. Due to recent success, they are expanding their R&D team. Main duties: + Involvement in the whole SDLC + Interfacing software with custom More ❯

Senior Embedded Software Engineer | £ 40k - 50 k | Reading | 1 or 2 days a week on-site My client is an elite company in their niche, providing electronics and software design services. Due to recent success, they are expanding their R&D team. Main duties: + Involvement in the whole SDLC + Interfacing software with custom More ❯

Job Title: Senior Software Engineer Location: Brentwood (2 Day On-Site Per Week) Starting Salary - Up to £65,000 + Benefits & Bonus Overview of Business & Opportunity: This is an opportunity to join a team in process of growing and broadening their skills. This team has a focus of designing and manufacturing efficient energy solutions, used nationwide. Key … Experience & Responsibilities: - Embedded C++ Software Development - STL - Object Orientated Programming - Embedded Linux - RTOS - Work with existing libraries of programme - Unit & System Testing - Undertake & Complete all relevant Project/Product documentation Education : - Degree in a relevant area such as Software or Electronic Engineering Additional Benefits: - Private Medical Insurance, 25 days annual leave, a 5% matched pension, discretionary annual bonus More ❯

Job Title: Senior Software Engineer Location: Basildon (2 Day On-Site Per Week) Starting Salary - Up to £68,000 + Benefits & Bonus Overview of Business & Opportunity: This is an opportunity to join a team in process of growing and broadening their skills. This team has a focus of designing and manufacturing efficient energy solutions, used nationwide. Key … Experience & Responsibilities: - Embedded C++ Software Development - STL - Object Orientated Programming - Embedded Linux - RTOS - Work with existing libraries of programme - Unit & System Testing - Undertake & Complete all relevant Project/Product documentation Education : - Degree in a relevant area such as Software or Electronic Engineering Additional Benefits: - Private Medical Insurance, 25 days annual leave, a 5% matched pension, discretionary annual bonus More ❯

Senior Software engineer - C#/WPF - Perm opportunity - Southampton Country: United Kingdom Location: Southampton Sector: Software Developer Job Type: Permanent Technologies: C# WPF Net Framework MS SQL server CLR Implementation Design Senior Software engineer - C#/WPF - Perm opportunity - Southampton Exciting opportunity to join a Financial Technology company based in Southampton This role More ❯

Senior Embedded Software Engineer with strong skills in embedded linux/kernel development, Bootloader and device driver development, is required by a world-leading, high end customer centric device company to play a senior role in their new London tech hub based close to London Paddington, and join a Pan European embedded software engineering team … of around 30 people. Salary: Market Leading + Decent Pension, Health, and 30 Days Holiday. The Embedded Software Engineer will take the lead in developing their Linux kernel, custom Embedded Linux distribution, and bootloaders, while also having an impact on the entire physical product used by millions of customers, working as part of a cross-functional team. The … Senior Embedded Software Engineer is a hybrid role and will ideally be based in the office 2/3 days per week. However, there might be some flexibility for those with outstanding embedded Linux skills and strong kernel development to work more remotely from within the UK. As a Senior Embedded Software Engineer, you More ❯

Kotlin Engineer - Contract Looking for Java/Kotlin Engineers to work on a large scale, finance project for 12 months. Candidates must have 1-2+ years commercial Kotlin experience (Backend) Stack - Java/Kotlin, TDD/XP, AWS, Kafka. £600 - £650 per day Outside IR35 2 days a week in London Please get in touch to find out More ❯

We are seeking a Senior Software Engineer to join our client who specialise in underwater technologies, such as marine robotics and ROV's. As part of this role you will be the domain expert for one or more features or functions within a product, you will need to have deep knowledge of one or more technical stacks … and/or algorithms within the navigation domain. You will closely partner with other team members and technical leads across engineering to plan, develop, test, and deliver software for a range of products. Specific Responsibilities Embedded Software Systems Understand the deployment of real-time operating systems for low latency sensing, computation, and communication. Design, develop, and debug complex … peripherals. Hardware in the loop testing, debugging, and validation. Contribute to architecture concepts, navigation tasks, and development projects as part of a cross-functional engineering team. Identify opportunities for software efficiency improvements through code re-use across a varied range of products and projects. Keep up to date on technical changes in their area(s) of technical speciality. Partner More ❯

Senior Full-Stack Engineer – Rapid AI Features on Vercel (London, UK) Are you ready to turbocharge your career at a high-growth UK FinTech startup? We’re looking for a Senior Full-Stack Engineer to architect and ship game-changing AI features at lightning speed—with an unbeatable experience building on Vercel. You’ll be hands More ❯

Temenos 24 Software Engineer - hybrid - market rates inside IR35 - London - 6 months + Our client currently have T20 R20, TAFJ. The following are probably the key technical items from the job spec: • Mandatory to have L3 code development skills with hands-on experience. • TAFJ knowledge and code library management experience. • Local code development skill using Info Basic and … APIs, Core API hooks) in Transact. • Good understanding of T24 data model and storage in Oracle. • In-depth experience in developing T24 multi-thread routines. For the T24 Principle Software Engineer: The knowledge, experience and qualifications you need • Wide, detailed, and up-to-date experience of the technologies and tools in your area. • Plenty of experience in the … full lifecycle of developing software from the first idea to the final execution • Mandatory to have L3 code development skills with hands-on experience. • TAFJ knowledge and code library management experience. • Local code development skill using Info Basic and TAFJ componentized codes. • In-depth Technical knowledge of T24 Customization and OFS processing. • Linux basics. • Agile delivery experience, especially around More ❯

developing a multimodal data warehouse that unifies storage and querying for highly complex domains — including genomics, financial & time series data, weather and much more. They are looking for a Senior Software engineer to join their team in London on a full-time basis What You’ll Do Architect and implement high-performance data processing systems in Rust … worked with or contributed to analytical databases like ClickHouse, DuckDB, or DataFusion Understand memory management, file formats, and query execution pipelines Are passionate about open-source and care about software craftsmanship Thrive in a startup environment Want to help reinvent how data is queried, streamed, and embedded? Click Apply now or send your CV to Chinmaye.ramnath@james-chase.com *This More ❯

Senior Java Developer Up to £150k - Remote Working – 6+ years experience Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who is able to leverage advanced technologies to create impactful solutions … in a fast-paced, collaborative environment. Role Highlights Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements 6+ years with extensive hands More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who is able to leverage advanced technologies to create impactful solutions … in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java , without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements ✅ 6+ years with extensive hands More ❯