2,151 to 2,175 of 2,458 Software Engineering Jobs in the South East

Founding Software Engineer – AI (Python/Typescript) £150,000 – £175,000 + meaningful equity On-site in London (£10K relocation provided) Join a deeply technical AI-native startup founded by PhDs and researchers from Cambridge, Imperial, and other top European and US institutions . This is an opportunity to work directly with a team who’ve published at leading … AI conferences, built open-source tools used across the industry, and scaled high-performance systems from first principles. Now, they’re hiring a Founding Software Engineer to help build the next generation of reasoning tools powered by large language models. The product is already live with paying customers, and the company is well-funded with serious growth ambitions. What … a world-leading university (e.g. Cambridge, Oxford, EPFL, ETH Zurich, ENS, TUM, etc.) Experience in AI-focused products, ideally within a high-growth or research-heavy environment Strong Python engineering skills; full-stack capability a bonus (Postgres, Typescript, React) A bias toward action, autonomy, and technical depth This isn’t a typical startup job. It’s a chance to More ❯

messaging Services (SNF) & Kafka Advanced knowledge of at least one IaC tool such as Terraform, Cloudformation, Ansible Strong experience with monitoring tools such as Grafana, Elastic, StatusCake, PagerDuty Security Engineering pipeline experience Containerisation (Docker) on Linux Good understanding of at least one high-level programming language, i.e. Python In-depth knowledge of one or more database systems such as … easily understand. Experience in designing, building, and maintaining high performance, highly available production hosting environments, preferably using AWS (VPCs, security groups, RDS, S3, EC2, ECS, EKS) Understanding of security engineering and security best practices Advanced knowledge of configuration management tools, such as Puppet, etc. Advanced knowledge of best practices and tooling for Continuous Integration and Continuous Deployment (CI/… collaborating with other SREs and SRE teams Understand Infrastructure as a Service (IaaS) and its implementation methods. Identify and implement architectural best practices by collaborating with multiple teams and software engineers Diagnose complex system problems using dumps, traces, or other diagnostics aids. Manage and encourage new ideas from staff to foster improvements and innovation Desirable Skills/Experience Agile More ❯

messaging Services (SNF) & Kafka Advanced knowledge of at least one IaC tool such as Terraform, Cloudformation, Ansible Strong experience with monitoring tools such as Grafana, Elastic, StatusCake, PagerDuty Security Engineering pipeline experience Containerisation (Docker) on Linux Good understanding of at least one high-level programming language, i.e. Python In-depth knowledge of one or more database systems such as … easily understand. Experience in designing, building, and maintaining high performance, highly available production hosting environments, preferably using AWS (VPCs, security groups, RDS, S3, EC2, ECS, EKS) Understanding of security engineering and security best practices Advanced knowledge of configuration management tools, such as Puppet, etc. Advanced knowledge of best practices and tooling for Continuous Integration and Continuous Deployment (CI/… collaborating with other SREs and SRE teams Understand Infrastructure as a Service (IaaS) and its implementation methods. Identify and implement architectural best practices by collaborating with multiple teams and software engineers Diagnose complex system problems using dumps, traces, or other diagnostics aids. Manage and encourage new ideas from staff to foster improvements and innovation Desirable Skills/Experience Agile More ❯

Based ( Weekly travel when required on site in london or client site) ️ Sole UK Nationals with Active SC Clearance Required Are you a Security Cleared Consultant with a strong engineering background, looking to join a mission-driven consultancy working on some of the UK's most sensitive and impactful government and defence projects? Areti Group is proud to be … to get in early and help shape the future of UK public sector tech delivery. The Role You'll be deployed on fast-paced, technically complex programmes, combining your engineering expertise and consulting mindset to drive innovation and deliver meaningful outcomes. What We're Looking For: Active SC/DV Clearance (Must be current clearance) Sole UK Nationals only … days, not weeks Salary & Benefits: £50,000 - £130,000 depending on experience Equity options Performance bonus Private healthcare Generous holiday allowance Truly exciting, career-defining work Upcoming Roles Include: Software Engineers Data Engineers & Scientists Forward Deployed Engineers DevOps & ML Engineers Technical Leads & Architects Development Strategists Product Managers & Reliability Engineers Data Engineers Threat Analysts This is a rare opportunity to More ❯

Based ( Weekly travel when required on site in london or client site) 🛡️ Sole UK Nationals with Active SC Clearance Required Are you a Security Cleared Consultant with a strong engineering background, looking to join a mission-driven consultancy working on some of the UK’s most sensitive and impactful government and defence projects? Areti Group is proud to be … to get in early and help shape the future of UK public sector tech delivery. 🔍 The Role You’ll be deployed on fast-paced, technically complex programmes, combining your engineering expertise and consulting mindset to drive innovation and deliver meaningful outcomes. ✅ What We’re Looking For: Active SC/DV Clearance (Must be current clearance) Sole UK Nationals only … days, not weeks 💥 Salary & Benefits: £50,000 – £130,000 depending on experience Equity options Performance bonus Private healthcare Generous holiday allowance Truly exciting, career-defining work 🔧 Upcoming Roles Include: Software Engineers Data Engineers & Scientists Forward Deployed Engineers DevOps & ML Engineers Technical Leads & Architects Development Strategists Product Managers & Reliability Engineers Data Engineers Threat Analysts This is a rare opportunity to More ❯

Based ( Weekly travel when required on site in london or client site) 🛡️ Sole UK Nationals with Active SC Clearance Required Are you a Security Cleared Consultant with a strong engineering background, looking to join a mission-driven consultancy working on some of the UK’s most sensitive and impactful government and defence projects? Areti Group is proud to be … to get in early and help shape the future of UK public sector tech delivery. 🔍 The Role You’ll be deployed on fast-paced, technically complex programmes, combining your engineering expertise and consulting mindset to drive innovation and deliver meaningful outcomes. ✅ What We’re Looking For: Active SC/DV Clearance (Must be current clearance) Sole UK Nationals only … days, not weeks 💥 Salary & Benefits: £50,000 – £130,000 depending on experience Equity options Performance bonus Private healthcare Generous holiday allowance Truly exciting, career-defining work 🔧 Upcoming Roles Include: Software Engineers Data Engineers & Scientists Forward Deployed Engineers DevOps & ML Engineers Technical Leads & Architects Development Strategists Product Managers & Reliability Engineers Data Engineers Threat Analysts This is a rare opportunity to More ❯

Based ( Weekly travel when required on site in london or client site) 🛡️ Sole UK Nationals with Active SC Clearance Required Are you a Security Cleared Consultant with a strong engineering background, looking to join a mission-driven consultancy working on some of the UK’s most sensitive and impactful government and defence projects? Areti Group is proud to be … to get in early and help shape the future of UK public sector tech delivery. 🔍 The Role You’ll be deployed on fast-paced, technically complex programmes, combining your engineering expertise and consulting mindset to drive innovation and deliver meaningful outcomes. ✅ What We’re Looking For: Active SC/DV Clearance (Must be current clearance) Sole UK Nationals only … days, not weeks 💥 Salary & Benefits: £50,000 – £130,000 depending on experience Equity options Performance bonus Private healthcare Generous holiday allowance Truly exciting, career-defining work 🔧 Upcoming Roles Include: Software Engineers Data Engineers & Scientists Forward Deployed Engineers DevOps & ML Engineers Technical Leads & Architects Development Strategists Product Managers & Reliability Engineers Data Engineers Threat Analysts This is a rare opportunity to More ❯

is to: Participate in the continuous improvement of our client's products Develop advanced NLP and AI-based products that will delight users Provide excellence in cloud-based ML engineering, with as much focus on Operations as Development. Expand of the Team’s knowledge via demonstration and documentation Key Responsibilities As a machine learning engineer, your main responsibility is … up-to-date with ML & NLP research, and experiment with new models and techniques. Perform code-reviews for your colleague’s code. Engage with them to raise standards of Software engineering. Propose cloud architectures for ML-based products that need new infrastructure. Participate in the monitoring and continuous improvement of existing ML systems. Core requirements Experience matters. But what … for MLOps best practises 🌀 An engineer that can think in O(n) as much as plan the orchestration of their product. Solid understanding of data structures, data modelling, and software architecture, especially cloud-based. 🏛️ An engineer that can keep up with mathematically and statistically-oriented colleagues 🔢 A healthy sense of humour. More ❯

is to: Participate in the continuous improvement of our client's products Develop advanced NLP and AI-based products that will delight users Provide excellence in cloud-based ML engineering, with as much focus on Operations as Development. Expand of the Team’s knowledge via demonstration and documentation Key Responsibilities As a machine learning engineer, your main responsibility is … up-to-date with ML & NLP research, and experiment with new models and techniques. Perform code-reviews for your colleague’s code. Engage with them to raise standards of Software engineering. Propose cloud architectures for ML-based products that need new infrastructure. Participate in the monitoring and continuous improvement of existing ML systems. Core requirements Experience matters. But what … for MLOps best practises 🌀 An engineer that can think in O(n) as much as plan the orchestration of their product. Solid understanding of data structures, data modelling, and software architecture, especially cloud-based. 🏛️ An engineer that can keep up with mathematically and statistically-oriented colleagues 🔢 A healthy sense of humour. More ❯

Software Engineer - Computer Science degree Salary: £Up to £55k Location: 3 days p/week in London Software Engineer - would you like the opportunity to work for an early stage start-up currently looking for several Software Engineers (0-2 years experience)? You'll be joining their in-house product and platform team, where you'll work … alongside and learn from highly experienced software developers and product managers. As a Software Engineer, you will get a lot of responsibility and work in an award-winning team, getting the opportunity to work on a wide variety of projects and tasks. Requirements: Experince working with React, TS, Next.js (commercial or personal) Worked or experimented with LLMs would … be a bonus AWS experience would also be a huge bonus Must have a Computer Science degree If you're a Software Engineer who enjoys working on a variety of projects and tasks, please apply. More ❯

frameworks. Take ownership of production processes to align with dynamic business objectives. Collaborate closely with analysts, quants, and developers, offering constant feedback on investment strategy performance. Expand and upgrade software infrastructure to match evolving business needs. Adopt a systematic approach to problem-solving, enabling scalable solutions. Multitask effectively while working in a team-oriented, collaborative environment. Experience: Minimum … years experience as a software engineer. Front-end experience with React, MUI, AG-Grid, and ECharts. Advanced proficiency in C and Python (required). SQL expertise preferred. Strong communication, organizational skills, and ability to multitask. Ability to work independently and collaboratively with a global team. Prior buyside experience is essential. Compensation: Salary and benefits are highly competitive. Diversity and More ❯

frameworks. Take ownership of production processes to align with dynamic business objectives. Collaborate closely with analysts, quants, and developers, offering constant feedback on investment strategy performance. Expand and upgrade software infrastructure to match evolving business needs. Adopt a systematic approach to problem-solving, enabling scalable solutions. Multitask effectively while working in a team-oriented, collaborative environment. Experience: Minimum … years experience as a software engineer. Front-end experience with React, MUI, AG-Grid, and ECharts. Advanced proficiency in C and Python (required). SQL expertise preferred. Strong communication, organizational skills, and ability to multitask. Ability to work independently and collaboratively with a global team. Prior buyside experience is essential. Compensation: Salary and benefits are highly competitive. Diversity and More ❯

Position: Software Engineer – Intra-Operative Devices Location: Central London - Hybrid (2-days on-site) Client: Medical Devices Type - FTE: 6 months - full-time Responsibilities: Develop and enhance core application software for existing and next-gen intra-operative devices. Maintain device monitoring and cloud connectivity methods. Investigate, debug, and resolve issues from testing and support. Ensure compliance with security … Strong problem-solving, quality focus, and ability to handle complexity. Nice to Have: Experience with Qt/React, AWS, and regulated industries (medical, automotive, aerospace). Understanding of systems engineering and security concepts. ABOUT PLANET PHARMA Planet Pharma is an American parented Employment Business/Agency that provides global staffing services with its head-quarters in Chicago and our More ❯

Position: Software Engineer – Intra-Operative Devices Location: Central London - Hybrid (2-days on-site) Client: Medical Devices Type - FTE: 6 months - full-time Responsibilities: Develop and enhance core application software for existing and next-gen intra-operative devices. Maintain device monitoring and cloud connectivity methods. Investigate, debug, and resolve issues from testing and support. Ensure compliance with security … Strong problem-solving, quality focus, and ability to handle complexity. Nice to Have: Experience with Qt/React, AWS, and regulated industries (medical, automotive, aerospace). Understanding of systems engineering and security concepts. ABOUT PLANET PHARMA Planet Pharma is an American parented Employment Business/Agency that provides global staffing services with its head-quarters in Chicago and our More ❯

Position: Software Engineer – Intra-Operative Devices Location: Central London - Hybrid (2-days on-site) Client: Medical Devices Type - FTE: 6 months - full-time Responsibilities: Develop and enhance core application software for existing and next-gen intra-operative devices. Maintain device monitoring and cloud connectivity methods. Investigate, debug, and resolve issues from testing and support. Ensure compliance with security … Strong problem-solving, quality focus, and ability to handle complexity. Nice to Have: Experience with Qt/React, AWS, and regulated industries (medical, automotive, aerospace). Understanding of systems engineering and security concepts. ABOUT PLANET PHARMA Planet Pharma is an American parented Employment Business/Agency that provides global staffing services with its head-quarters in Chicago and our More ❯

Staff Software Engineer | AI-Powered Startup | Backed by Leading VCs We're partnering with a well-funded, early-stage AI startup that's on a mission to transform how people and intelligent systems work together. Their platform unifies AI, automation, and data-driven decision-making into one seamless experience - helping teams move faster, think smarter, and achieve more impact. … Supported by top-tier investors and seeing strong early adoption, they're entering a high-growth phase and looking for a hands-on Software Engineer to play a key role in shaping the company's technical foundation and future direction. The Opportunity This is a hands-on, high-impact role where you'll work directly with the founding team … product features that leverage AI and automation Design and scale backend systems in Python , ensuring performance and reliability Collaborate closely with founders on product design and technical strategy Shape engineering best practices, tooling, and future team structure What We're Looking For Strong experience designing and scaling production systems (Python preferred) Hands-on experience with AI/ML applications More ❯

Senior Software Engineer (C++) We are currently working with a world-leading Media Technology provider, who partners with global broadcasters worldwide. The Role This will be working in the team that develops the core applications responsible for converting, formatting, and rendering all media assets on their platform. Requirements Extensive experience designing and implementing high-performance C++ software at More ❯

Senior Software Engineer (C++) We are currently working with a world-leading Media Technology provider, who partners with global broadcasters worldwide. The Role This will be working in the team that develops the core applications responsible for converting, formatting, and rendering all media assets on their platform. Requirements Extensive experience designing and implementing high-performance C++ software at More ❯

A fast-growing software startup is building next-generation tools for companies that certify complex hardware and software systems, industries like aerospace, healthcare, and energy. While software innovation moves quickly, these sectors are still held back by slow, manual processes. This company is changing that by creating a modern platform that accelerates certification and compliance. Recently, they More ❯

A fast-growing software startup is building next-generation tools for companies that certify complex hardware and software systems, industries like aerospace, healthcare, and energy. While software innovation moves quickly, these sectors are still held back by slow, manual processes. This company is changing that by creating a modern platform that accelerates certification and compliance. Recently, they More ❯

A fast-growing software startup is building next-generation tools for companies that certify complex hardware and software systems, industries like aerospace, healthcare, and energy. While software innovation moves quickly, these sectors are still held back by slow, manual processes. This company is changing that by creating a modern platform that accelerates certification and compliance. Recently, they More ❯

Job title: C++ Software Engineer Client: Elite Algorithmic Market Making Firm Salary: £70,000 - £350,000 Base (+ Bonus) Location: London/Hybrid My client are seeking a C++ Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity … team where you will work and learn from the best. Benefits: Exceptional professional growth opportunities in a tech-focused company, allowing you to enhance your skills as a C++ Software Engineer at an accelerated pace. Access to state-of-the-art technologies, enabling you to work with advanced tools and frameworks. Highly competitive bonuses and a comprehensive benefits package … career progression and exposure to diverse technologies. Collaboration with top-tier infrastructure teams in the financial sector. Requirements and Skills: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 2+ years of professional C++ development experience. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real More ❯

Job title: C++ Software Engineer Client: Elite Algorithmic Market Making Firm Salary: £70,000 - £350,000 Base (+ Bonus) Location: London/Hybrid My client are seeking a C++ Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity … team where you will work and learn from the best. Benefits: Exceptional professional growth opportunities in a tech-focused company, allowing you to enhance your skills as a C++ Software Engineer at an accelerated pace. Access to state-of-the-art technologies, enabling you to work with advanced tools and frameworks. Highly competitive bonuses and a comprehensive benefits package … career progression and exposure to diverse technologies. Collaboration with top-tier infrastructure teams in the financial sector. Requirements and Skills: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 2+ years of professional C++ development experience. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real More ❯

cutting-edge solutions to highly regulated industries such as Finance and Healthcare. You'll be working as part of the backend team on the development and ongoing support of software applications for the internal systems and the businesses' clients. Role: Backend Software Engineer (.Net) Compensation: £45,000-£60,000 Location: Central London (Onsite) About the Role: As a … .NET Developer, you'll play a key role in designing, developing, and maintaining software applications. You'll collaborate closely with cross-functional teams to translate user needs into technical solutions that are robust and user-friendly. Key Responsibilities: • Translate user requirements into effective technical solutions • Develop and maintain high-quality code and backend services • Collaborate with stakeholders to ensure More ❯

cutting-edge solutions to highly regulated industries such as Finance and Healthcare. You’ll be working as part of the backend team on the development and ongoing support of software applications for the internal systems and the businesses’ clients. Role: Backend Software Engineer (.Net) Compensation: £45,000-£60,000 Location: Central London (Onsite) About the Role: As a … .NET Developer, you’ll play a key role in designing, developing, and maintaining software applications. You’ll collaborate closely with cross-functional teams to translate user needs into technical solutions that are robust and user-friendly. Key Responsibilities: • Translate user requirements into effective technical solutions • Develop and maintain high-quality code and backend services • Collaborate with stakeholders to ensure More ❯