Senior Software Engineer Jobs in the South East

26 to 50 of 186 Senior Software Engineer Jobs in the South East

Senior Software Engineer

london, south east england, united kingdom
Intec Select
Senior Staff Software Engineer – Embedded & Python | London Hybrid | £90,000 We're working with a leading aerospace technology company looking for a Senior Staff Software Engineer to join their embedded systems team. You'll help shape the future of real-time control systems for … next-gen aerospace applications. What You’ll Do: Design and develop embedded software for safety-critical, real-time systems Use Python for tooling, simulation, or test automation Collaborate with cross-functional teams to define and refine system requirements Lead key technical initiatives and mentor junior engineers What They’re … in embedded systems Solid Python skills (test frameworks, automation, scripting) Familiarity with real-time OS, multithreading, and safety standards like DO-178C SC Clearance Senior Staff Software Engineer – Embedded & Python | London Hybrid More ❯
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Senior Software Engineer

london (city of london), south east england, United Kingdom
Digital Waffle
Job Title: Senior Software Engineer Location: Remote (UK-Based) Salary: £70,000 - £85,000 DOE (Plus Bonus) We’re partnering with an award-winning SaaS company looking to expand their team with a talented Senior Software Engineer . In this role, you'll help … first designs Plan and implement new features in collaboration with cross-functional teams Work closely with UX, Product, and Engineering to drive innovation Uphold software quality through automated testing and CI/CD practices Tech Stack: C# .NET Core Azure or AWS (cloud experience) SQL Server, CosmosDB, Redis JavaScript … React, HTML, CSS CI/CD, TDD, Microservices, Docker, Kubernetes We’re looking for passionate Senior Software Engineers eager to build innovative solutions. If this sounds like you, we’d love to hear from you! All applications will be reviewed, and suitable candidates will be contacted. More ❯
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Senior Software Engineer - Cloud

Reading, Oxfordshire, United Kingdom
Randstad (Schweiz) AG
As a senior Software Engineer, you will have experience in not only working independently to develop cloud-based solutions, but also have taken a lead in coordinating the work of teams of engineers to produce high-quality products and advocating for high standards of practice. You will … continuously developing and expanding your skillset to ensure you have the tools to meet new challenges. About the Role: OQC are looking for a Senior Software Engineer to join our growing team, developing web-based/api-based solutions for a variety of challenges encountered by our … and implementing opportunities for the automation of documentation throughout the project lifecycle. Representing OQC in external networking settings. Providing mentorship and support to Junior Software Engineers. Required Skills and Experience: Extensive knowledge of Python (desirable)/(Other high level such as JAVA or C#). Experience of taking ownership More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Software Engineer

Milton Keynes, Buckinghamshire, South East, United Kingdom
Belcan Technical Recruiting (UK) Ltd
Senior Embedded Software Engineer Milton Keynes Onsite Working Permanent position Are you a Software Engineer looking to accelerate your career? We have an opportunity for you to join a fast-growing team as part of the pioneering development of out-of-the-box communication systems … launch vehicles, and other space and airborne platforms. What will you do? Use your C programming skills to produce low-level and high-level software through all phases of the development process. Contribute to key projects including Linux-based single-board computers and high-reliability microcontroller systems. As a … proactive programmer with a problem-solving mindset, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. You will already have development experience at nearly every level of the software stack More ❯
Employment Type: Permanent
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Senior Software Engineer

london, south east england, United Kingdom
Hybrid / WFH Options
HUG
Senior Software Engineer About the Role Are you ready to redefine how logistics operates in a rapidly evolving world? HUG is proud to be collaborating with an innovative start up that’s revolutionising delivery through smarter, more sustainable solutions. Their mission is to create systems that benefit … secured and ambitious growth plans underway, there’s never been a more exciting time to come on board. What You’ll Do As a Senior Software Engineer, you’ll take on diverse responsibilities, including: Designing and building robust core API architecture. Working on greenfield projects to build … new software to support the operations of the business. Establishing data infrastructure. Engaging directly in the field to understand how your technology impacts its users and to identify areas for improvement. Who We’re Looking For We’re seeking skilled and motivated engineers who thrive in dynamic and collaborative More ❯
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Senior Software Engineer

london, south east england, United Kingdom
Hybrid / WFH Options
Gold Group Ltd
Senior Software Engineer Location: London/Hybrid Salary: £70,000-£80,000 About Us I am working with a fast-growing cybersecurity company on a mission to secure digital identities where they live in the browser. Their platform hardens and continuously monitors the identity attack surface, protecting … next generation of browser-based identity security and are looking for passionate, driven engineers to join us on this journey. The Role As a Senior Software Engineer, you’ll play a critical role in architecting and delivering scalable, secure, and high-performance systems. You’ll work across … driven engineering culture Tech Stack Languages: TypeScript, Python Frameworks: React, Node.js, FastAPI Cloud: AWS, Kubernetes, Docker What We’re Looking For 5+ years of software engineering experience, ideally in cybersecurity or SaaS Strong experience with modern web development (React, Node.js) and backend services (Python, etc.) Solid understanding of browser More ❯
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Senior Software Engineer - C

South East, United Kingdom
Hybrid / WFH Options
Shorterm Group
Senior Software Engineer (C++) - Specialising in Statistics & Machine Learning Permanent, Hybrid Working arrangement Location: Test Valley Salary: Negotiable based on experience The client is looking for hire for a Senior Software Engineer to join their Software Engineering teams to enhance their statistical, timeseries … and machine learning capabilities of their WPS software product. Your work will involve researching new data science approaches, developing scalable C++ models, and collaborating with teams to solve complex business challenges. Key Responsibilities: - Research and implement advanced mathematical/statistical algorithms in C++. - Support the product team with numerical More ❯
Employment Type: Permanent
Salary: £40000 - £80000/annum
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Senior Software Engineer - AI Development

london, south east england, United Kingdom
Hybrid / WFH Options
Nicoll Curtin
Senior Software Engineer – AI – London One of my AI Clients are looking for an Senior Software Engineer to join a team that's reimagining how software is built by integrating cutting-edge AI tools directly into the engineering lifecycle. Responsibilities: Design intelligent multi … agent systems tailored for software development Develop prompt structures, logic flows, and tool integrations that guide agent behaviour Enable agent access to development infrastructure, including file systems, test suites, version control, and APIs Evaluate AI performance and continuously refine workflows Orchestrating systems of AI agents to elevate how teams … write and deliver software at scale Key Skills: 5+ years software engineering experience Proficiency with modern backend and frontend technologies such as Java, TypeScript, React, and MySQL Hands-on experience with generative AI tools and platforms (LLM APIs, agentic frameworks, codegen systems, vector databases) Driving innovation as a More ❯
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Senior Embedded Software Engineer

Milton Keynes, England, United Kingdom
Belcan
Senior Embedded Software Engineer Milton Keynes Onsite Working Permanent position Are you a Software Engineer looking to accelerate your career? We have an opportunity for you to join a fast-growing team as part of the pioneering development of out-of-the-box communication systems … launch vehicles, and other space and airborne platforms. What will you do? Use your C programming skills to produce low-level and high-level software through all phases of the development process. Contribute to key projects including Linux-based single-board computers and high-reliability microcontroller systems. As a … proactive programmer with a problem-solving mindset, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. You will already have development experience at nearly every level of the software stack More ❯
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Senior Software Engineer

Margate, Kent, United Kingdom
New Appointments Group
Job Title: Senior Software Engineer Location: Margate Job Type: Full-time Overview: We seek a Senior Software Engineer to drive innovation in embedded firmware development. You will lead R&D efforts, collaborate with leadership, and ensure high-quality software solutions for our products. … Key Responsibilities: Lead firmware development and mentor junior engineers. Collaborate on product concepts and refine specifications. Translate system requirements into software solutions. Develop, test, and document software programs. Work with hardware teams to optimise integration. Research and implement emerging technologies. Assess technical risks and provide expert guidance. Support … and safety standards. Qualifications: Education: Bachelor's in Electrical Engineering, Computer Science, or related field (Master's preferred). Experience: 10+ years in embedded software development with leadership experience. Skills: Expertise in ARM-based microcontrollers, FreeRTOS, and Microsoft Visual Studio. Knowledge of RF communication and marine navigation is a More ❯
Employment Type: Permanent
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Senior Software Engineer

london, south east england, united kingdom
Berkeley Square - Talent Specialists in IT & Engineering
Senior Systems Software Engineer I'm currently recruiting for an experienced Senior Software Engineer to join a global algorithmic trading firm on a permanent basis. We're ideally looking for somebody with 8+ years of a Python programming experience, to assist with the development More ❯
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Senior Java Software Engineer

london, south east england, United Kingdom
Harrington Starr
Senior Software Engineer II – Cloud-Native & AI Solutions | Global Fintech Innovator We’re partnering with a cutting-edge global fintech company at the forefront of AI-powered decisioning and analytics to find a talented Senior Software Engineer II . This company has recently been … how financial institutions leverage data, AI, and cloud technologies to accelerate smarter decision-making. This is a high-impact role ideal for an experienced engineer who thrives on innovation and is passionate about cloud-native applications, AI/ML product development, and technical leadership within high-performing teams What More ❯
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Senior Software Engineer (Python)

Woking, Surrey, South East, United Kingdom
Hybrid / WFH Options
McGregor Boyall Associates Limited
Senior Software Engineer (Python) Role Overview As a Senior Specialist Python Software Engineer, you will deliver key software projects using Python and its comprehensive ecosystem of tools and frameworks. You'll join a cross-functional Software & Data Science team, collaborating closely with … specialists. This role has opened due to ongoing growth and expansion, aiming to enhance the team's capability in delivering strategic and performance-critical software solutions. What you'll do Design, develop, and deliver robust, scalable Python-based software solutions across the full lifecycle. Lead projects, ensuring timely … delivery aligned to technical specifications and business requirements. Architect software solutions that integrate seamlessly within the existing technology stack. Collaborate closely with team members and stakeholders to maintain high standards and share best practices. Proactively identify and manage technical risks, providing innovative solutions. What you'll bring Extensive commercial More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
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Senior Software Engineer

london, south east england, united kingdom
Workonomics
Company | Cybersecurity, B2B SaaS 📏 Size | 80 people total (10 in London and growing) 🧢 Role | Software Engineer 🪜 Level | Senior 🎯 Areas | cloud infrastructure, IAC, system performance ✨ Skills | Go, Node.js, Python, AWS, GCP, K8s, Terraform 📍 Based | London (Zone 1) 💻 Hybrid | 2-3 days a week in-office 💰 Offer … while still in stealth mode . They recently raised £20m Series A and are now growing their team in London. They're seeking a Senior Software Engineer to help tackle cloud infrastructure scalability challenges . Ultimately, they're figuring out how to maintain a multi - region , multi … GCP ) in multi-region deployments Kubernetes , Terraform , CloudFormation and similar tools working in a high - growth scale - up SaaS company ✅ This will suit a software engineer who can design, build, and implement stuff from scratch ❌ This will not suit someone with a pure IT/Ops/Sys More ❯
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Senior Software Engineer (.NET Remote)

london, south east england, united kingdom
Hybrid / WFH Options
Oliver Bernard
.NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options I’ve got a new opportunity to share with you – one that ticks all the right boxes if you’re after meaningful engineering work, top colleagues, and the luxury of working from anywhere in … difference of London. We're partnering with a well-established UK FinTech brand that’s growing their remote engineering team. They’re hiring a Senior .NET Developer/Senior Software Engineer (C#.NET) to start as soon as possible. This is a fully remote role , with no … drop me a message and I’ll share more about the company, team, and next steps. Let’s get you into something exciting 🚀 🚀 .NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options More ❯
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Senior Software Engineer (.NET Remote)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Oliver Bernard
.NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options I’ve got a new opportunity to share with you – one that ticks all the right boxes if you’re after meaningful engineering work, top colleagues, and the luxury of working from anywhere in … difference of London. We're partnering with a well-established UK FinTech brand that’s growing their remote engineering team. They’re hiring a Senior .NET Developer/Senior Software Engineer (C#.NET) to start as soon as possible. This is a fully remote role , with no … drop me a message and I’ll share more about the company, team, and next steps. Let’s get you into something exciting 🚀 🚀 .NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options More ❯
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Senior Software Engineer (.NET Remote)

london (west end), south east england, united kingdom
Hybrid / WFH Options
Oliver Bernard
.NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options I’ve got a new opportunity to share with you – one that ticks all the right boxes if you’re after meaningful engineering work, top colleagues, and the luxury of working from anywhere in … difference of London. We're partnering with a well-established UK FinTech brand that’s growing their remote engineering team. They’re hiring a Senior .NET Developer/Senior Software Engineer (C#.NET) to start as soon as possible. This is a fully remote role , with no … drop me a message and I’ll share more about the company, team, and next steps. Let’s get you into something exciting 🚀 🚀 .NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options More ❯
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Senior Software Engineer

london (city of london), south east england, United Kingdom
Hybrid / WFH Options
RedRock Resourcing
Job Title: Senior Software Engineer Salary: £100k-120k + Excellent Benefits Location: London//Hybrid Key Technologies: C#, AWS A rapidly growing financial services company in London is seeking a Senior C# Software Engineer to join their dynamic software development team. The … communication and teamwork skills Ability to work effectively in a fast-paced, Agile setting Key Responsibilities: Lead the design and development of high-quality software solutions Collaborate with cross-functional teams to define requirements and deliver on technical objectives Ensure code quality, performance, and security across applications Take ownership … and deliverables in an Agile environment Desirable Skills & Experience: Experience in start-ups and/or the financial services sector Prior experience in a Senior/Lead Software Engineering role This is a hybrid position , requiring the successful candidate to be on-site in central London twice a More ❯
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Senior Software Engineer – Openlink Endur

london, south east england, United Kingdom
Cititec Talent
Senior Software Engineer – Openlink Endur | Permanent | London Location: London (4 days in-office, 1 day from home) Cititec has partnered with a Greenfield Commodities firm who are seeking a Senior Software Engineer with strong experience in Openlink Endur to help build and maintain the More ❯
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Senior Software Engineer (Python/React)

london, south east england, United Kingdom
Oliver Bernard
Senior Software Engineer – AI Startup – Up to 120k 🚀🧠 💰 Salary: £70,000 - £120,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite … world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: 🔧 Build and ship high-impact software 🧠 Work on AI/LLM-powered automation tools used in production 🏗️ Help shape scalable systems and infrastructure 🌍 Work collectively across teams to push the … their stack ✅ Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Senior Software Engineer – AI Startup – Up to 120k More ❯
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Senior Software Engineer - Trading Systems | Rust

london, south east england, united kingdom
Hybrid / WFH Options
Switch Tech Talent
Role: Senior Software Engineer – Trading Systems 🌍 Location: London - hybrid (meet once a month) 💰 Salary: £150,000 to £200,000 + Guaranteed and Performance Bonus' 🛠 Key Skills: Rust, Trading Systems/Exchanges, Crypto/Blockchain An innovative fintech start-up, backed by significant private investment, is looking for … an exceptional Senior Software Engineer to build its next-generation trading platform from scratch. Combining traditional finance expertise with blockchain innovation, the company offers a unique opportunity to shape critical financial infrastructure at the earliest stage. You will need hands-on experience in trading system engineering, ideally More ❯
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Senior Software Engineer

Portsmouth, yorkshire and the humber, United Kingdom
Spectrum IT Recruitment
Senior Software Developer C#, .Net Core, VueJS, Typescript £55,000 - £60,000 Senior Software Developer required to join a progressive and leading company within the automotive industry. As a Senior Software Developer you will help to transform the whole digital product suite. They want More ❯
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Senior Software Engineer

portsmouth, hampshire, south east england, United Kingdom
Spectrum IT Recruitment
Senior Software Developer C#, .Net Core, VueJS, Typescript £55,000 - £60,000 Senior Software Developer required to join a progressive and leading company within the automotive industry. As a Senior Software Developer you will help to transform the whole digital product suite. They want More ❯
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Senior Software Engineer

Portsmouth, Hampshire, United Kingdom
BAE Systems (New)
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 agreed standards and procedures using the specified tools, within schedule and estimates Resolving the complex challenges, issues and faults associated with installation, commissioning, operation 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 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

Portsmouth, South East
BAE Systems
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 agreed standards and procedures using the specified tools, within schedule and estimates Resolving the complex challenges, issues and faults associated with installation, commissioning, operation 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 More ❯
Employment Type: Permanent
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Senior Software Engineer
the South East
10th Percentile
£52,500
Median
£55,000
75th Percentile
£67,500
90th Percentile
£87,500