101 to 125 of 292 Software Engineer Jobs in the South East

Senior Software Engineer Salary: Up to £75,000 Hybrid - 2 days a week in office (London/Brighton/Cardiff) Why join us? We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse perspectives, collaborative … people first. Backed by a global media and content network, we build tools that reach real audiences at scale. The role As a Senior Software Engineer, you'll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content teams. ...

progression, this role exists to replace a senior engineer within a well-established software company operating in the highly regulated energy sector. Senior Python Software Engineer Circa £56,000 + up to 15% bonus | Hybrid (2 days per month onsite, Southampton) The software … engineering is done here: considered design, well-tested code, and a focus on doing things properly rather than quickly. If you're a Python engineer ready to take on more responsibility, mentor others, and work in an environment where engineering discipline matters, this role is designed for you. What ...

Lead Software Engineer Active SC Clearance Essential Our client, an innovative UK technology company is building a next-generation AI platform for defence and health applications . Their systems operate in highly regulated, mission-critical environments where reliability, security, and performance truly matter. Were looking for a Lead … Software Engineer to take technical ownership of key platform components, guide architectural decisions, and mentor engineers as we scale. This is a hands-on leadership role youll be writing code, shaping systems, and directly influencing the future of the platform. This is a genuine ground-floor opportunity ...

client, a leader in the defence and security sectors, is currently seeking a talented Software Engineer to join their innovative team. With a focus on Embedded C, C++, and Python, you will work on cutting-edge technology solutions for the RF communication and sensors domain. This permanent role … offers a dynamic and technically challenging environment with opportunities for career growth. Key Responsibilities: Designing detailed components of product software Implementing and testing software as part of an agile team Gaining an understanding of existing RF communication and sensor products Contributing to future development agendas Communicating effectively with ...

Senior Software Engineer - Cyber Location : Onsite, Hampshire. Employment Type: Permanent Salary : Competitive salary commensurate with experience, plus benefits. Security: Candidates must be eligible to obtain DV clearance due to the nature of the work. Our client is seeking a highly skilled Senior/Principal Software Engineer … offers the opportunity to develop innovative security technologies in a dynamic, high-security environment. What You Will Be Doing Designing, implementing, and testing secure software solutions across various platforms and technologies. Developing applications for embedded Linux, signal processing, data analytics, and web interfaces. Writing clean, efficient code in languages ...

Senior Software Engineer (Robotics) London (On-site, 5 days/week) Permanent role with excellent on-site benefits We're looking for a Senior Software Engineer to help turn our advanced robotics stack into a dependable, real-world product. This is a hands-on role where … write production code, integrate subsystems, and work directly with robots in both simulation and hardware environments . You'll build application-level software that connects control, navigation, perception, learning, and platform systems—ensuring they operate as a seamless, reliable whole. Expect cross-disciplinary collaboration, rapid iteration, and solving practical ...

Senior Software Engineer Portsmouth | Hybrid, 3 days onsite £50,000-£75,000 plus bonus and benefits This Senior Software Engineer role is ideal for a hands-on engineer with experience in C++ and Unreal Engine, working on complex, performance-critical software across modelling … geospatial domains. The position focuses on building robust, scalable systems while offering clear progression towards technical leadership. The role sits within a growing software and data science consultancy delivering end-to-end solutions across defence, energy, transport and health. You will work alongside experienced engineers, data scientists and subject ...

Junior Software Engineer - Milton Keynes (Hybrid) - £28,000-£35,000 (DOE) I'm currently partnered with a leading SaaS company - delivering bespoke software solutions to world-renowned clients within a growing industry - and they are looking for a Junior Software Engineer to join them during ...

Senior Software Engineer (Robotics) London (On-site, 5 days/week) Permanent role with excellent on-site benefits We're looking for a Senior Software Engineer to help turn our advanced robotics stack into a dependable, real-world product. This is a hands-on role where … write production code, integrate subsystems, and work directly with robots in both simulation and hardware environments . You'll build application-level software that connects control, navigation, perception, learning, and platform systems -ensuring they operate as a seamless, reliable whole. Expect cross-disciplinary collaboration, rapid iteration, and solving practical ...

Full Stack Software Engineer | London | £80,000 - £150,000 | Python | React Location: London-based (hybrid) Salary: £80,000 - £150,000 + equity Tech Stack: Backend: Python (Flask or FastAPI or Django - ideally a blend of 2) Frontend: React, TypeScript Cloud Systems: GCP or AWS Are you a software engineer who enjoys shipping real products, solving tangible customer problems, and seeing your work in production quickly? We are working with a Series A AI technology company building automation software that sits directly in the operational core of key businesses. This is not experimental AI. This ...

Senior Software Engineer (Golang) London – Hybrid flexible Up to £80,000 + equity We're currently partnered with a real-time sports data platform that is revolutionising how companies leverage data to empower their business. They are looking for a performance focused Senior Engineer with a passion … start-up and contribute to building a company that puts its internal teams and customers first. This is an exciting opportunity for a Senior Software Engineer to help shape the future of a transformative real-time data platform. If you're passionate about building world-class, high-performance ...

recruiting for a Software Engineer on contract to work for a leading Defence organisation. The role can be based in their Guildford, Surrey or Newcastle offices 3 days per week and remote for 2. IMPORTANT NOTE: The candidate will also need to be able to achieve or have … clearance. Role Overview The Software Engineer will join our 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 life cycle, from initial design through development ...

Cleared Senior Software Engineer Aldermaston - Onsite 12-month contract | Outside IR35 Are you a DV cleared Software Engineer who can take full ownership of software delivery on site? Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments? Looking for a long … week Work on high-security, technically challenging projects What will you be doing? Designing, developing and programming Siemens PLC systems from scratch Leading all software activities on an assigned project Configuring Siemens PLCs, HMIs and associated networks Producing on-site test documentation and supporting FATs and SATs Carrying ...

progression, this role exists to replace a senior engineer within a well-established software company operating in the highly regulated energy sector. Oracle Software Engineer Circa £56,000 + up to 15% bonus | Hybrid (2 days per month onsite, Southampton) The software you'll work … done here: considered design, well-structured database development, and a focus on doing things properly rather than quickly. If you're an Oracle engineer ready to take on more responsibility, mentor others, and work in an environment where engineering discipline matters, this role is designed for you. What ...

Role: Software Engineer Location: 1-2 days a week in London Salary: £80,000 - £115,000 + Bonus Are you a motivated java micro-services specialised software engineer looking to elevate your career? This is an opportunity for a technically minded individual to be designing, producing … liaising with principal engineers, architects in the domain and other key stakeholders to understand how the platform works We are looking for a senior engineer we can find to take part in some of the largest up coming projects in the banking industry Ideal Candidate: We're looking ...

Software Engineer (Contract) Location: Winchester (Hybrid) Contract Length: 6 months Rate: £500 - £700 per day IR35 Status: Inside IR35 Security Clearance: Candidates must already hold SC Clearance To Apply, email: The Opportunity An established defence-focused technology programme is seeking an experienced GUI Software Engineer to support the development of advanced, real-time systems. The role sits within a highly technical environment, delivering mission-critical software used to solve complex, real-world problems. You'll work alongside engineers and scientists on cutting-edge systems that are shaping future capability, contributing to long-term ...

Senior Software Engineer experienced in C, C#, XAML, C# .NET (Framework & Core), WPF, MVVM, C CLI and C++, with experience using .NET/.NET Core frameworks and cloud-based architectures such as AWS. Software Engineers will develop project applications, graphical software, developing cross-platform, graphical data … analysis and device-configuration for software applications. Software Engineers will have experience of leading major projects involving Web client/server applications. Software Engineers with coding experience in C, C++, C#, C# .NET (Framework & Core), WPF, MVVM, C CLI will have some of the following experience: Solid ...

Senior Software Engineer (Backend) - Identity & Authentication AWS * TypeScript * Node.js (NestJS) * REST APIs * Auth0 * Transmit Security * GitHub * CloudFormation Contract - 12 months, upto £650/day inside IR35 ***Hybrid - 3 days office (either London or Manchester office) Leading financial services client is seeking a Senior Software Engineer …/CD pipelines for microservice deployments. Embed DevSecOps best practices across IAM, networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login ...

Senior Software Engineer (.NET) Financial Services Consultancy | Payments & Gateways ?? Oxford area (Hybrid - 3 days in office) ?? £70,000 base + discretionary bonus I'm currently working with a well-established financial services technology consultancy based in the Oxford area . The business specialises in delivering complex, high-volume … banks, FinTech's, and payment providers, with projects heavily focused on payment integrations and gateway platforms . They're looking to hire a Senior Software Engineer to join their engineering team, someone who can combine hands-on development with mentoring and technical leadership. The Opportunity This ...

Senior Software Engineer PHP Brighton/Hybrid £Competitive + benefits A Senior Software Engineer is sought to join a progressive, collaborative development team based in Brighton. As the business embarks on a journey to modernise its technology stack and enhance the user experience, this role offers ...

Cleared Senior Software Engineer Aldermaston - Onsite 12-month contract Outside IR35 Are you a DV cleared Software Engineer who can take full ownership of software delivery on site? Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments? Looking for a long ...

Backend Software Engineer £450 - £550 per day 2 days onsite We're working with a global healthcare and AI research organisation that's pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to enable faster, personalised therapies … that improve patient outcomes worldwide - and they're seeking a Backend Software Engineer to help bring that mission to life. The Role You'll be joining a multidisciplinary AI/ML team responsible for developing the infrastructure and software that powers cutting-edge research and intelligent applications. ...

Senior Software Engineer PHP Brighton/Hybrid £Competitive + benefits A Senior Software Engineer is sought to join a progressive, collaborative development team based in Brighton. As the business embarks on a journey to modernise its technology stack and enhance the user experience, this role offers ...

Senior Software Engineer Portsmouth Hybrid, 3 days onsite £50,000-£75,000 plus bonus and benefits This Senior Software Engineer role is ideal for a hands-on engineer with experience in C++ and Unreal Engine, working on complex, performance-critical software across modelling ...

Cleared Senior Software Engineer Do you have the skills to fill this role Read the complete details below, and make your application today. Aldermaston - Onsite 12-month contract | Outside IR35 Are you a DV cleared Software Engineer who can take full ownership of software delivery ...