651 to 675 of 1,679 Software Engineering Jobs in the South East

Lead .NET Software Engineer | London | £95,000–£120,000 + Bonus + Hybrid Location: Central London (Hybrid: one a fortnight onsite) Salary: £95,000–£120,000 + performance bonus + excellent benefits Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes The Opportunity We are partnering with a high-growth SaaS organisation in … Central London that is scaling its cloud-based platform and strengthening its engineering leadership. As part of this growth, they are seeking a Lead .NET Software Engineer to guide a talented team within a modern, high-performance engineering environment. This is an opportunity to lead from the front, owning architectural direction, driving technical excellence, and ensuring delivery … cloud-first, microservices-driven environment. You’ll be a hands-on leader, balancing coding, mentoring, and strategic influence across multiple teams and initiatives. The Role As a Lead .NET Software Engineer, you will combine hands-on technical expertise with leadership responsibilities, including: Designing and leading the development of scalable backend services using .NET 8 (C#) Architecting cloud-native microservices More ❯

Software Engineer – Hybrid (London or Cheltenham) – Up to £60k – Public Sector Data Consultancy 🚀 G.Digital are buzzing to be partnering with one of the UK’s fastest-growing Tech4Good consultancies – a team using data and technology to help government clients protect the UK across Cyber, National Security, and Law Enforcement. 🇬🇧 They’re looking for a Software Engineer who’s … excited to tackle complex technical challenges and build secure, scalable systems that really make an impact. 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or … to the nature of the work, you must be eligible for SC Clearance (British Citizen, resident in the UK for the last 5 years). If you’re a Software Engineer who wants to use tech for good and work on projects that truly matter – this one’s worth your attention. 🚀 Software Engineer – Hybrid (London or Cheltenham) – Up More ❯

Software Engineer – Hybrid (London or Cheltenham) – Up to £60k – Public Sector Data Consultancy 🚀 G.Digital are buzzing to be partnering with one of the UK’s fastest-growing Tech4Good consultancies – a team using data and technology to help government clients protect the UK across Cyber, National Security, and Law Enforcement. 🇬🇧 They’re looking for a Software Engineer who’s … excited to tackle complex technical challenges and build secure, scalable systems that really make an impact. 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or … to the nature of the work, you must be eligible for SC Clearance (British Citizen, resident in the UK for the last 5 years). If you’re a Software Engineer who wants to use tech for good and work on projects that truly matter – this one’s worth your attention. 🚀 Software Engineer – Hybrid (London or Cheltenham) – Up More ❯

Software Engineer – Hybrid (London or Cheltenham) – Up to £60k – Public Sector Data Consultancy 🚀 G.Digital are buzzing to be partnering with one of the UK’s fastest-growing Tech4Good consultancies – a team using data and technology to help government clients protect the UK across Cyber, National Security, and Law Enforcement. 🇬🇧 They’re looking for a Software Engineer who’s … excited to tackle complex technical challenges and build secure, scalable systems that really make an impact. 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or … to the nature of the work, you must be eligible for SC Clearance (British Citizen, resident in the UK for the last 5 years). If you’re a Software Engineer who wants to use tech for good and work on projects that truly matter – this one’s worth your attention. 🚀 Software Engineer – Hybrid (London or Cheltenham) – Up More ❯

About the job Senior Software Engineer Robotics Location: Hertfordshire Salary: £50,000 - £60,000 Are you a Software Engineerwith a passion for C#/.NET and Robotics? Join a fast-growing technology start-up that builds advanced robotics systems for real-world applications. Key Responsibilities: +Lead the way and be a strong advocate of best practice software design patterns, software architecture and agile methodology. +Take a lead in our effort to re-architect and harden our code to prepare for 10x-100x scale +Mentor junior software engineers +Help the team to find the right balance between strong principles and pragmatism; and help the team to inform buy vs build decisions +Be the standard bearer … for code quality (including software test coverage and maintainability of code) Key Requirements: +10+ years experience in software engineering. +10+ years experience with C# and .NET. + Previous experience with Linux, Python and Azure DevOps +Previous experience in both start-ups/scale-ups and larger organisations +Strong communication skills +Previous experience in robotics or other hardware-based More ❯

design and deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

design and deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

design and deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead/Senior ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead/Senior ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead/Senior ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

About Us Software helps to enable the world-leading science performed at Diamond. Our software systems facilitate operations at all levels, including the low-level control of synchrotron and beamline hardware, the planning, execution and monitor of experiments, data archiving and retrieval, data processing and visualisation, the application for beamtime, and capture of remote experiment plans and samples. … Our software engineers work alongside our scientists to develop innovative and robust solutions to keep Diamond at the forefront of scientific research. About the Data Acquisition Group The Data Acquisition (DAQ) group develops software to interface with and control the hardware which allows experiments to be performed and monitored as well as guiding the end user to tools … for data reduction and analysis. The group works closely with scientists, controls, data analysis and information management engineers to continuously develop and improve software solutions for scientific data acquisition and on-the-fly monitoring and data analysis. The current DAQ software platform is a client-server application called GDA (Generic Data Acquisition) which is written in Java and More ❯

About Us Software helps to enable the world-leading science performed at Diamond. Our software systems facilitate operations at all levels, including the low-level control of synchrotron and beamline hardware, the planning, execution and monitor of experiments, data archiving and retrieval, data processing and visualisation, the application for beamtime, and capture of remote experiment plans and samples. … Our software engineers work alongside our scientists to develop innovative and robust solutions to keep Diamond at the forefront of scientific research. About the Data Acquisition Group The Data Acquisition (DAQ) group develops software to interface with and control the hardware which allows experiments to be performed and monitored as well as guiding the end user to tools … for data reduction and analysis. The group works closely with scientists, controls, data analysis and information management engineers to continuously develop and improve software solutions for scientific data acquisition and on-the-fly monitoring and data analysis. The current DAQ software platform is a client-server application called GDA (Generic Data Acquisition) which is written in Java and More ❯

About Us Software helps to enable the world-leading science performed at Diamond. Our software systems facilitate operations at all levels, including the low-level control of synchrotron and beamline hardware, the planning, execution and monitor of experiments, data archiving and retrieval, data processing and visualisation, the application for beamtime, and capture of remote experiment plans and samples. … Our software engineers work alongside our scientists to develop innovative and robust solutions to keep Diamond at the forefront of scientific research. About the Data Acquisition Group The Data Acquisition (DAQ) group develops software to interface with and control the hardware which allows experiments to be performed and monitored as well as guiding the end user to tools … for data reduction and analysis. The group works closely with scientists, controls, data analysis and information management engineers to continuously develop and improve software solutions for scientific data acquisition and on-the-fly monitoring and data analysis. The current DAQ software platform is a client-server application called GDA (Generic Data Acquisition) which is written in Java and More ❯

with infrastructure as code using Terraform. Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience … verbal communication skills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/Full Stack Engineer/Software Developer/Software Engineer/Senior Developer/Senior Engineer/Senior Software Developer/Senior Software Engineer More ❯

advancing the company’s AI capabilities. Staying at the forefront of AI innovation, applying new techniques to real-world problems. 🎯 What we’re looking for: 5+ years’ experience in software engineering, with hands-on delivery of production-grade solutions. Strong expertise in Python, data processing, and microservices . Experience with large-scale distributed systems and LLM applications. A … blend of hands-on engineering and leadership skills — able to both build and guide. Excellent communicator with the ability to engage both technical and non-technical audiences. A collaborative, innovative mindset with a passion for applied AI. 💰 Package & Benefits: Salary up to £135,000 . EMI share options — benefit directly from the company’s growth. 25 days holiday + More ❯

advancing the company’s AI capabilities. Staying at the forefront of AI innovation, applying new techniques to real-world problems. 🎯 What we’re looking for: 5+ years’ experience in software engineering, with hands-on delivery of production-grade solutions. Strong expertise in Python, data processing, and microservices . Experience with large-scale distributed systems and LLM applications. A … blend of hands-on engineering and leadership skills — able to both build and guide. Excellent communicator with the ability to engage both technical and non-technical audiences. A collaborative, innovative mindset with a passion for applied AI. 💰 Package & Benefits: Salary up to £135,000 . EMI share options — benefit directly from the company’s growth. 25 days holiday + More ❯

advancing the company’s AI capabilities. Staying at the forefront of AI innovation, applying new techniques to real-world problems. 🎯 What we’re looking for: 5+ years’ experience in software engineering, with hands-on delivery of production-grade solutions. Strong expertise in Python, data processing, and microservices . Experience with large-scale distributed systems and LLM applications. A … blend of hands-on engineering and leadership skills — able to both build and guide. Excellent communicator with the ability to engage both technical and non-technical audiences. A collaborative, innovative mindset with a passion for applied AI. 💰 Package & Benefits: Salary up to £135,000 . EMI share options — benefit directly from the company’s growth. 25 days holiday + More ❯

C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries … optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects Profile and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills … years of professional proficiency in Python and C++ Hands-on experience with GPU compute Familiarity with HPC storage stacks and RDMA/networking frameworks Background in semiconductor performance engineering (e.g., microarchitecture-level tuning, driver/kernel optimisation) If you've worked on optimising GPU compute/HPC systems and want to apply that expertise in one of the most More ❯

C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries … optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects Profile and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills … years of professional proficiency in Python and C++ Hands-on experience with GPU compute Familiarity with HPC storage stacks and RDMA/networking frameworks Background in semiconductor performance engineering (e.g., microarchitecture-level tuning, driver/kernel optimisation) If you've worked on optimising GPU compute/HPC systems and want to apply that expertise in one of the most More ❯

and expected to deliver meaningful results. If you're the type of person who gets stuck in, thrives on solving complex data problems, and knows how to partner with engineering, product, and commercial teams to actually move the needle, you'll love it here. What You'll Do Design models that hold up under pressure: Own and develop analytics … outcomes, not just tasks: Work with our teams to understand what they need, not just what they ask for. Translate those needs into scalable data models, drive alignment with engineering on upstream requirements, and ensure the data foundation supports meaningful and trusted insight generation. Champion self-service: Help enable smarter decision-making by making data accessible and understandable. You … ll work closely with our internal customers to ensure they're getting value. Be a bridge: Partner closely with engineering, product, and many others around the business. This is not a siloed role - it's all about making our data a shared competitive advantage. *What You'll Bring* 2+ years of experience in analytics or data engineering roles More ❯

of sustainable fusion energy and maximise scientific and economic impact. The Computing Division underpins this mission by delivering secure, scalable, and innovative digital solutions across scientific computing, modelling, simulation, software engineering, business systems, data acquisition, and core IT services. Within the Computing Division, the Enterprise Infrastructure Solutions unit is responsible for the design, delivery, and management of centrally … supported IT infrastructure and applications. This includes enterprise compute platforms, data networks, UNIX/Linux/Windows environments, cloud services, data centres, commercial software solutions, and end-user support across all UKAEA sites. Role Overview : The Cyber Security Specialist plays a pivotal role in advancing UKAEA's hybrid digital estate, encompassing enterprise IT, operational technology (OT), and research platforms. … Knowledge of Incident Management, Vulnerability Assessments, SIEM & SOC Systems. o Knowledge of OT/ICS/SCADA security principles and industrial control environments. o Experience designing or reviewing secure software supply chain and CI/CD security. o Practical experience in Zero Trust implementation and Cloud Security Posture Management (CSPM). o Exposure to cloud and hybrid security frameworks More ❯

Full Stack Developer - London - Energy Trading - 140k RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for More ❯

Full Stack Developer - London - Energy Trading - 140k RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed More ❯