2,026 to 2,050 of 2,458 Software Engineering Jobs in the South East

Python Software Engineer - VC-Backed Startup - London We're looking for a Python Software Engineer to join a fast-growing startup developing a standout product in a high-potential, niche market. Backed by one of the world's most prestigious venture capital firms , the company is gaining serious traction and building a world-class team. This is a … day one Join an elite team early and shape the tech culture and direction Competitive salary Flexible hybrid work opportunity - London Currently interviewing - apply now for immediate review. Python Software Engineer - VC-Backed Startup - London More ❯

Python Software Engineer - VC-Backed Startup - London We're looking for a Python Software Engineer to join a fast-growing startup developing a standout product in a high-potential, niche market. Backed by one of the world’s most prestigious venture capital firms , the company is gaining serious traction and building a world-class team. This is a … day one Join an elite team early and shape the tech culture and direction Competitive salary Flexible hybrid work opportunity - London Currently interviewing - apply now for immediate review. Python Software Engineer - VC-Backed Startup - London More ❯

Python Software Engineer - VC-Backed Startup - London We're looking for a Python Software Engineer to join a fast-growing startup developing a standout product in a high-potential, niche market. Backed by one of the world’s most prestigious venture capital firms , the company is gaining serious traction and building a world-class team. This is a … day one Join an elite team early and shape the tech culture and direction Competitive salary Flexible hybrid work opportunity - London Currently interviewing - apply now for immediate review. Python Software Engineer - VC-Backed Startup - London More ❯

Python Software Engineer - VC-Backed Startup - London We're looking for a Python Software Engineer to join a fast-growing startup developing a standout product in a high-potential, niche market. Backed by one of the world’s most prestigious venture capital firms , the company is gaining serious traction and building a world-class team. This is a … day one Join an elite team early and shape the tech culture and direction Competitive salary Flexible hybrid work opportunity - London Currently interviewing - apply now for immediate review. Python Software Engineer - VC-Backed Startup - London More ❯

We are seeking a highly skilled Quantitative Software Developer to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support … rotation for production risk systems. Write clean, testable, and well-documented code; contribute to CI/CD practices. Required Qualifications Bachelor's or Master’s degree in Computer Science, Engineering, Mathematics, or a related quantitative field. 3+ years of experience in Java software development, ideally within financial services or a trading environment. Proven experience building or supporting risk More ❯

We are seeking a highly skilled Quantitative Software Developer to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support … rotation for production risk systems. Write clean, testable, and well-documented code; contribute to CI/CD practices. Required Qualifications Bachelor's or Master’s degree in Computer Science, Engineering, Mathematics, or a related quantitative field. 3+ years of experience in Java software development, ideally within financial services or a trading environment. Proven experience building or supporting risk More ❯

Contract Python Fullstack Software Engineer £600-£800/day IR35 Exempt Python Software Engineer (Python, ReactJS, Kubernetes) £600-£800/day Initial 6 Month Duration IR35 Exempt Hybrid - Central London (3 days a week) We are partnered with a well-funded scale up in the BioTech sector who are developing software to support autonomous robotics. They are … end code in a Senior IC capacity. You'll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building scalable software in Python, contributing to the end to end software development process Ability to contribute in areas such as DevOps (Kubernetes) and Front end development (ReactJS modifications) Experience working … with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract Python Fullstack Software Engineer £600-£800/day IR35 Exempt More ❯

Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt Python Software Engineer (Python, ReactJS, Kubernetes) £600-£800/day Initial 6 Month Duration IR35 Exempt Hybrid - Central London (3 days a week) We are partnered with a well-funded scale up in the BioTech sector who are developing software to support autonomous robotics. They are … end code in a Senior IC capacity. You’ll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building scalable software in Python, contributing to the end to end software development process Ability to contribute in areas such as DevOps (Kubernetes) and Front end development (ReactJS modifications) Experience working … with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt More ❯

Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt Python Software Engineer (Python, ReactJS, Kubernetes) £600-£800/day Initial 6 Month Duration IR35 Exempt Hybrid - Central London (3 days a week) We are partnered with a well-funded scale up in the BioTech sector who are developing software to support autonomous robotics. They are … end code in a Senior IC capacity. You’ll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building scalable software in Python, contributing to the end to end software development process Ability to contribute in areas such as DevOps (Kubernetes) and Front end development (ReactJS modifications) Experience working … with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt More ❯

Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt Python Software Engineer (Python, ReactJS, Kubernetes) £600-£800/day Initial 6 Month Duration IR35 Exempt Hybrid - Central London (3 days a week) We are partnered with a well-funded scale up in the BioTech sector who are developing software to support autonomous robotics. They are … end code in a Senior IC capacity. You’ll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building scalable software in Python, contributing to the end to end software development process Ability to contribute in areas such as DevOps (Kubernetes) and Front end development (ReactJS modifications) Experience working … with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract Python Fullstack Software Engineer | £600-£800/day IR35 Exempt More ❯

Software Engineer, AI, C Python, Oxford, COR7394 Are you a talented Software Engineer eager to explore the intersection of AI and manufacturing? This could be your opportunity to join a team helping shape next-generation tools using cutting-edge technology! The Position As a Software Engineer, you’ll work directly with a small team to develop advanced … analysis algorithms and integrate local large language models (LLMs) into real-world applications. You’ll focus on building robust software solutions using C++ or Python, contributing to Product Lifecycle Management integrations, and iterating on prompt-based AI applications. This is a hands-on role in a fast-moving environment. You’ll have the freedom to experiment, influence the product … s direction, and take ownership of key technical deliverables. The Company Our client is a software company pioneering tools that combine AI into manufacturing applications. Working here means joining a small, highly collaborative team focused on innovation, autonomy, and delivering practical solutions. This role is hybrid, with at least two days per week onsite in Oxford. Requirements Strong background More ❯

Software Engineer | Climate Tech | London (Hybrid) Want to code for impact ? This early-stage climate tech startup is building the software powering the transition to a cleaner, smarter energy system - and they’re looking for engineers who love to move fast, solve hard problems , and see their work make a real difference. Backed by top-tier investors, the … low-carbon grid that actually works. 💡 Why join: High ownership and technical freedom Meaningful projects with real environmental impact The chance to help shape both the product and the engineering culture 🚀 What they value: Curiosity and a bias for action - ship fast, learn faster A genuine drive to tackle climate change through technology Comfort with ambiguity and startup pace … knit, mission-driven team They’re open to all OOP languages (core stack is Python ). 📍 London | Hybrid (2-3 days/week) If you’re ready to build software that accelerates the shift to clean energy - apply now More ❯

Software Engineer | Climate Tech | London (Hybrid) Want to code for impact ? This early-stage climate tech startup is building the software powering the transition to a cleaner, smarter energy system - and they’re looking for engineers who love to move fast, solve hard problems , and see their work make a real difference. Backed by top-tier investors, the … low-carbon grid that actually works. 💡 Why join: High ownership and technical freedom Meaningful projects with real environmental impact The chance to help shape both the product and the engineering culture 🚀 What they value: Curiosity and a bias for action - ship fast, learn faster A genuine drive to tackle climate change through technology Comfort with ambiguity and startup pace … knit, mission-driven team They’re open to all OOP languages (core stack is Python ). 📍 London | Hybrid (2-3 days/week) If you’re ready to build software that accelerates the shift to clean energy - apply now More ❯

Senior Software Engineer required by a high-tech company located in Fareham. Due to continued success they are looking to grow their software team developing products for Android platforms. The successful Senior Software Engineer is likely to have a degree in Computer Science or similar subject and commercial experience developing Android applications using click apply for full More ❯

Senior Software Engineer We’re supporting a pioneering technology company who are building some of the most advanced systems in the world. They’re now looking for a Senior Software Engineer to join their growing team and play a key part in developing cutting-edge solutions. This is a fantastic opportunity to work on unique challenges that will … push the boundaries of what’s possible in computing. You’ll collaborate with highly skilled engineers and scientists, developing the software that drives complex hardware platforms and contributes to world-class innovation. The role As a Senior Software Engineer, you’ll work across a variety of technical areas, including: Designing and extending embedded firmware with Rust Building high More ❯

Duration: 6 months Job Type: Hybrid - office based 2 days per week Job Description: Design, implement, and optimise live streaming capabilities into existing software-based video pipeline Leverage hardware acceleration to develop high-performance, low-latency video capture, processing, AI inference, visualization and streaming software Work as part of a multidisciplinary team to develop robust and secure-by … design software for a medical device Maintain a high level of quality and reliability in submitted code and participate in team code reviews Must Haves Expertise on WebRTC live video streaming development Expertise on software video pipelines (e.g., GStreamer and/or FFmpeg) Excellent C++ development skills with C+ or higher, multi-threading, inter-process communication and performance More ❯

Duration: 6 months Job Type: Hybrid - office based 2 days per week Job Description: Design, implement, and optimise live streaming capabilities into existing software-based video pipeline Leverage hardware acceleration to develop high-performance, low-latency video capture, processing, AI inference, visualization and streaming software Work as part of a multidisciplinary team to develop robust and secure-by … design software for a medical device Maintain a high level of quality and reliability in submitted code and participate in team code reviews Must Haves Expertise on WebRTC live video streaming development Expertise on software video pipelines (e.g., GStreamer and/or FFmpeg) Excellent C++ development skills with C++11 or higher, multi-threading, inter-process communication and performance More ❯

Duration: 6 months Job Type: Hybrid - office based 2 days per week Job Description: Design, implement, and optimise live streaming capabilities into existing software-based video pipeline Leverage hardware acceleration to develop high-performance, low-latency video capture, processing, AI inference, visualization and streaming software Work as part of a multidisciplinary team to develop robust and secure-by … design software for a medical device Maintain a high level of quality and reliability in submitted code and participate in team code reviews Must Haves Expertise on WebRTC live video streaming development Expertise on software video pipelines (e.g., GStreamer and/or FFmpeg) Excellent C++ development skills with C++11 or higher, multi-threading, inter-process communication and performance More ❯

Duration: 6 months Job Type: Hybrid - office based 2 days per week Job Description: Design, implement, and optimise live streaming capabilities into existing software-based video pipeline Leverage hardware acceleration to develop high-performance, low-latency video capture, processing, AI inference, visualization and streaming software Work as part of a multidisciplinary team to develop robust and secure-by … design software for a medical device Maintain a high level of quality and reliability in submitted code and participate in team code reviews Must Haves Expertise on WebRTC live video streaming development Expertise on software video pipelines (e.g., GStreamer and/or FFmpeg) Excellent C++ development skills with C++11 or higher, multi-threading, inter-process communication and performance More ❯

Full-Stack Software Engineer - London - 5 days a week Location: London, central, fully onsite (early stage, London platform team) Salary: Up to £130,000 Seniority: 3-8 years Permanent Early hire on a small platform team I'm working with a well funded early stage AI platform looking for a versatile full-stack engineer to join the London platform … infrastructure for novel technical problems Own slices of the stack end to end, from SQL and backend logic to front end UX Work closely with a tiny, high-calibre engineering team and shape engineering practices and culture Tech profile I need 3 to 8 years of hands-on full-stack experience building production products Strong backend experience in More ❯

Full-Stack Software Engineer - London - 5 days a week Location: London, central, fully onsite (early stage, London platform team) Salary: Up to £130,000 Seniority: 3–8 years | Permanent | Early hire on a small platform team I'm working with a well funded early stage AI platform looking for a versatile full-stack engineer to join the London platform … infrastructure for novel technical problems Own slices of the stack end to end, from SQL and backend logic to front end UX Work closely with a tiny, high-calibre engineering team and shape engineering practices and culture Tech profile I need 3 to 8 years of hands-on full-stack experience building production products Strong backend experience in More ❯

Full-Stack Software Engineer - London - 5 days a week Location: London, central, fully onsite (early stage, London platform team) Salary: Up to £130,000 Seniority: 3–8 years | Permanent | Early hire on a small platform team I'm working with a well funded early stage AI platform looking for a versatile full-stack engineer to join the London platform … infrastructure for novel technical problems Own slices of the stack end to end, from SQL and backend logic to front end UX Work closely with a tiny, high-calibre engineering team and shape engineering practices and culture Tech profile I need 3 to 8 years of hands-on full-stack experience building production products Strong backend experience in More ❯

Full-Stack Software Engineer - London - 5 days a week Location: London, central, fully onsite (early stage, London platform team) Salary: Up to £130,000 Seniority: 3–8 years | Permanent | Early hire on a small platform team I'm working with a well funded early stage AI platform looking for a versatile full-stack engineer to join the London platform … infrastructure for novel technical problems Own slices of the stack end to end, from SQL and backend logic to front end UX Work closely with a tiny, high-calibre engineering team and shape engineering practices and culture Tech profile I need 3 to 8 years of hands-on full-stack experience building production products Strong backend experience in More ❯

Job Title: Software Engineer – C Python Location: West Sussex (Hybrid) Contract Length: Permanent Salary: up to £60,000 + package (depending on experience) Start Date: ASAP Company Overview Our client is on a mission to revolutionize cancer treatment by making radiation therapy more human, accessible, and effective. With a focus on upright patient positioning and cutting-edge technology, they … cancer is treated globally. Their passionate team is developing tomorrow’s treatments today, combining innovation with compassion to improve patient outcomes and experiences. Role Overview We are seeking a Software Engineer (Level I–II) to join our client’s dynamic engineering team. This role involves designing, developing, testing, and maintaining software for complex medical devices, ensuring compliance … Develop requirements, design specifications, and implementation for service tools used with medical devices. Collaborate with the service organization to gather use cases and requirements. Build desktop and web-based software applications. Follow QMS procedures, write supporting documentation, and apply CI best practices. Support configuration management and build systems. Skills & Experience 3+ years of experience developing with Python. Experience with More ❯

Job Title: Software Engineer – C Python Location: West Sussex (Hybrid) Contract Length: Permanent Salary: up to £60,000 + package (depending on experience) Start Date: ASAP Company Overview Our client is on a mission to revolutionize cancer treatment by making radiation therapy more human, accessible, and effective. With a focus on upright patient positioning and cutting-edge technology, they … cancer is treated globally. Their passionate team is developing tomorrow’s treatments today, combining innovation with compassion to improve patient outcomes and experiences. Role Overview We are seeking a Software Engineer (Level I–II) to join our client’s dynamic engineering team. This role involves designing, developing, testing, and maintaining software for complex medical devices, ensuring compliance … Develop requirements, design specifications, and implementation for service tools used with medical devices. Collaborate with the service organization to gather use cases and requirements. Build desktop and web-based software applications. Follow QMS procedures, write supporting documentation, and apply CI best practices. Support configuration management and build systems. Skills & Experience 3+ years of experience developing with Python. Experience with More ❯