1 to 25 of 28 Permanent Senior Software Engineer Jobs in Southampton

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in More ❯

Social network you want to login/join with: ? Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote ?, southampton col-narrow-left Client: Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 07.06.2025 Expiry Date: 22.07.2025 col-wide Job Description: ? Urgent … x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote ? Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads to join their high-performing team. This fully remote role offers … embracing new tech. Languages : ? Ruby-on-Rails, Java, Python, C#, PHP ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. More ❯

Senior Software Engineer - AI Fintech Product Company - FULLY REMOTE IN UK - £120k - TypeScript/Python/React/AWS/GenAI, Southampton Client: Opus Recruitment Solutions Location: Southampton, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: I am supporting a FinTech AI Product Company that … is seeking an experienced Senior Software Engineer to join their fully remote engineering team! The company is highly tech-driven, emphasizing quality engineering, innovation, and forward-thinking. As a Senior Software Engineer, you will collaborate closely with the CTO, influencing product direction, making key technical decisions, shaping architecture, overseeing project delivery, and mentoring other More ❯

Social network you want to login/join with: An excellent opportunity awaits an experienced software developer with strong .NET and React skills to join a leading software company in a role offering strong technical variety, ongoing development opportunities, and involvement in genuinely interesting projects. This company builds innovative software and data management systems that support critical … decision-making in sectors such as environmental monitoring, infrastructure, and energy. In this role you'll join as a senior member of the development team, taking a hands-on role in the full lifecycle of a specialist management platform. You’ll help shape the product’s technical direction, mentor junior team members, and lead across design, implementation, and delivery. … or GCP). A background or interest in scientific, environmental, or infrastructure-related domains is a bonus. This is an excellent opportunity to join a collaborative and tech-focused software team in a senior position offering a mix of engineering depth, meaningful projects, and long-term growth. The Role: *Full-stack development using .NET and React *Azure DevOps More ❯

Social network you want to login/join with: Senior PHP Software Engineer (AI), southampton col-narrow-left Client: Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: We’re searching for a talented Senior Software Engineer … success through idea generation, strategic input, improved communication, and effective decision execution. Assist in project management activities, including estimation, scheduling, planning, and progress tracking. Play a key role in software deployment activities in our production data centre. Promote a team player status, providing support to fellow team members and mentoring by setting an example. What you’ll need: Expert More ❯

Social network you want to login/join with: Senior Software Engineer - Remote - Fintech - Up to £120k - Python TypeScript AWS, Southampton Client: Opus Recruitment Solutions Location: Southampton, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 9 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: I am exclusively supporting a FinTech Product Company who are … currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which I can expand on) used by a number of enterprise clients. They are looking for a confident, experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software …/TypeScript Node.js AWS GenAI + experience with another backend language (Ruby, C++, Elixir, Haskell, Go, Clojure or Scala) Private projects to showcase + deep interest/passion for software engineering is also a plus! They are also working heavily within AI and working with up-to-date AI technologies. They are paying up to £120k and this is More ❯

Senior Software Engineer Are you passionate about developing cutting-edge software for autonomous systems? Join an innovative company operating at the forefront of autonomous logistics solutions across sectors such as mail and parcel delivery, humanitarian assistance, defence, and environmental operations. The Role My client is seeking a Senior Software Engineer to join there … Mission Software team. In this role, you will design and maintain critical software components for the command and control of autonomous cargo systems. This includes command and control software, health monitoring, and live video streaming solutions, deployable both locally and in the cloud. As a key member of the team, you will: Contribute across the entire tech … design, cloud deployment solutions, business logic design, and user interface development. Lead design projects independently and offer support and constructive feedback to team members. Help develop scalable and reliable software that supports critical logistics operations. Essential Skills/Knowledge required : High technical capability with good logical reasoning and ability to learn new skills. Strong knowledge of C# and ASP.Net More ❯

Social network you want to login/join with: Senior Security Software Engineer, southampton col-narrow-left Client: Keysight Technologies Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis and vulnerability discovery in firmware binaries and code bases. If you enjoy regularly being challenged and working on novel ideas … believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities: Designing solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles and papers for publication Required More ❯

and team members are supported and working effectively. Deliver high quality informal and formal presentations and written documentation. Training and Development Keep up to date with relevant technical landscape, software development process and practices. Proactively identify personal training and development activities. Mentor junior team members and support them in achieving their own personal development goals. Work with Technical Leads … and you’ll be part of a fast growing, highly respected organization. #LI-Hybrid Requisition ID: 6435 Reporting into: Manager, Client Services Project Management About NICE NICELtd.(NASDAQ: NICE)software products are used by 25,000+ global businesses, including 85 of the Fortune 100 corporations, to deliver extraordinary customer experiences,fight financial crimeand ensure public safety.Every day, NICE software More ❯

Join at the start of this new project and help shape this new software Engineering function in Southampton. You are a Senior or Lead Developer already and regularly work closely with Product Managers but looking for a new challenge in a growing team. Described as an IT company doing logistics for ecommerce, our client is embarking on an … their own channel integrations platform. You will be working closely with the Product Manager and CTO in a key leadership role, driving technical excellence, shaping the future of the software platform, and empowering a talented team to achieve greatness. What You'll Be Doing Hands-on Development : Contribute to the development of core features and integrations. Team Collaboration : Work … We're looking for a passionate and experienced Developer who can provide technical leadership and work with internal stakeholders. Qualifications You'll need to have: Proven experience as a Senior or Lead Developer. A strong track record of delivering technically complex projects in collaboration with Product Owners and stakeholders. Expertise in cloud computing (Google Cloud Platform preferred). Nice More ❯

Social network you want to login/join with: Senior/Staff Software Engineer (AI/Compiler), southampton col-narrow-left Client: Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Company Overview Flux is pioneering a new class … . We’ve already developed functioning prototypes and are now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models—it … s about rethinking how AI workloads are executed at speed and scale. You’ll lead the design and implementation of software systems that run distributed, low-latency inference across clusters. You’ll work closely with hardware and ML teams to optimise every layer of the stack—from model representation and execution to data movement and scheduling. Whether it’s More ❯

Social network you want to login/join with: Senior Software Engineer .Net, Azure Contract, Southampton Client: Curated Location: Southampton, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 10.06.2025 Expiry Date: 25.07.2025 Job Description: UK, Remote | Inside IR35 Only. Contract | 6 months Curated is excited to be partnered with an InsurTech … undergoing an exciting period of growth and seeking to hire a number of talented Senior Software Engineers from .Net Microsoft backgrounds. Part of a larger Insurance enterprise, this opportunity offers the flexibility and agility of a scale-up alongside the security, financial backing, and benefits of a global enterprise. You'll be an early hire into a startup … are seeking strong engineers from .Net backgrounds who have worked in high-growth environments, not necessarily from InsurTech or related industries. What we’re looking for: 6+ years in Software Engineering, with a strong track record in building scalable, high-quality systems. Expertise in the modern .Net stack and Azure cloud technologies. Proficient in working with SQL. Demonstrated ability More ❯

Senior Software Engineer – Embedded Systems | Defence Tech | Southampton (On-Site) Southampton | Permanent | Up to £60,000 + Benefits | VC-Backed Scale-Up (Series B, £3.8M) Are you an experienced embedded engineer who thrives on building high-performance systems in real-world environments? We’re working with a VC-backed engineering scale-up that develops advanced radiation … detection and identification technology for Defence, security, and emergency services. Following £3.8M in Series B funding and consistent growth, they’re now expanding their software engineering team — and this is your chance to get involved in technically challenging, meaningful work. What You’ll Do Design and implement embedded software solutions across Linux and RTOS platforms Work closely with … Solve complex problems involving real-time performance, reliability, and safety Participate in code reviews, sprint planning, and collaborative decision-making What You’ll Bring 5+ years’ experience in embedded software development using C/C++ Strong knowledge of Linux systems, device drivers, and hardware interfacing Experience working with embedded systems, real-time constraints, and low-level protocols Proficiency in More ❯

Senior Software Engineer – Embedded Systems | Defence Tech | Southampton (On-Site) 📍 Southampton | 💼 Permanent | 💰 Up to £60,000 + Benefits | 📡 VC-Backed Scale-Up (Series B, £3.8M) Are you an experienced embedded engineer who thrives on building high-performance systems in real-world environments? We’re working with a VC-backed engineering scale-up that develops advanced radiation … detection and identification technology for Defence, security, and emergency services. Following £3.8M in Series B funding and consistent growth, they’re now expanding their software engineering team — and this is your chance to get involved in technically challenging, meaningful work . 🔧 What You’ll Do Design and implement embedded software solutions across Linux and RTOS platforms Work closely … Solve complex problems involving real-time performance, reliability, and safety Participate in code reviews, sprint planning, and collaborative decision-making 🧰 What You’ll Bring 5+ years’ experience in embedded software development using C/C++ Strong knowledge of Linux systems , device drivers, and hardware interfacing Experience working with embedded systems , real-time constraints, and low-level protocols Proficiency in More ❯

50s age inclusive jobs board. Job Description Tired of working on the same embedded Linux projects repeatedly? Ready to elevate your kernel development skills? Join our team as a Senior Embedded Linux Software Engineer, where you'll work on a variety of systems—from video streaming equipment and satellite communication platforms to industrial control systems and aircraft … custom drivers, and solving complex embedded problems across diverse industries. We offer a personal development plan, mentorship, paid IET membership fees, and support for continued learning—whether pursuing Chartered Engineer status, contributing to open-source projects, or exploring advanced kernel development techniques. We're seeking an experienced embedded Linux engineer with strong kernel development skills. You should be … systems engineers, and project managers, to deliver innovative solutions. Required skills include extensive experience with Linux kernel development, driver implementation, and embedded system optimization. Your role will involve architecting software systems, mentoring junior engineers, and working directly with clients to solve complex embedded challenges. ITDev is an equal opportunities employer. We value diversity and inclusion, making recruitment decisions based More ❯

Senior Software engineer - C#/WPF - Perm opportunity - Southampton Country: United Kingdom Location: Southampton Sector: Software Developer Job Type: Permanent Technologies: C# WPF Net Framework MS SQL server CLR Implementation Design Senior Software engineer - C#/WPF - Perm opportunity - Southampton Exciting opportunity to join a Financial Technology company based in Southampton This role More ❯

Social network you want to login/join with: Senior C++ Software Engineer, southampton col-narrow-left Client: IT Search Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior C++ Software Engineer Global FinTech Remote … Market based salary + bonus & excellent benefits package IT Search is proud to partner with a global FinTech leader expanding its UK engineering presence. We're looking for a Senior C++ Software Engineer to join a growing team focused on building and maintaining secure, high-throughput systems enabling real-time global payments. In this role, you’ll More ❯

provided by Langham Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range £50,000-£65,000 Senior Software Engineer | Fully Remote | C Linux Our client is seeking a Senior Software Engineer with strong C++ & Linux expertise to join an industry leader … will have access to a dedicated, quiet workspace at home that can accommodate the use of high-power equipment. What You’ll Be Doing Develop industry-leading vehicle simulation software as part of a dynamic team. Design and implement high-performance features using cutting-edge techniques. Deliver high-quality, reliable software for global customers. Maintain and enhance existing … products. Promote best practices in software engineering and continuous learning. What We’re Looking For C++ & Linux in a simulation environment Knowledge of UDP and real-time communication systems Self-motivated, detail-oriented, and able to work independently Background in real-time software development Solid understanding of applied mathematics Bonus Points Experience working directly with customers Experience with More ❯

Social network you want to login/join with: Senior Software Engineer (hyperscale), Southampton Client: Oracle Location: Southampton, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 07.06.2025 Expiry Date: 22.07.2025 Job Description: Oracle’s product engineering teams are building critical services within Oracle’s next-generation public cloud infrastructure known as … OCI Functions is rapidly becoming the platform of choice for Oracle SaaS workloads, supports the API Gateway for serving customer applications, and data science processing use cases. The Positions Senior Software Engineer We are seeking engineers with varying levels of experience. Beginners should have a passion for learning, while experienced candidates will bring diverse skills across programming … networking, storage, internet protocols, and operating systems. Any level engineer can have a significant technical and business impact. As part of our diverse team, you will solve and design solutions for distributed systems, virtualized infrastructure, and highly available services. The Responsibilities On a typical day, you might: Write backend code in Java, Python, Go, or other modern languages. Work More ❯

A dynamic and expanding engineering company, leading the way in advanced technical solutions, is seeking an experienced Senior Embedded Software Engineer. The primary focus of the role is developing C++ code for embedded electronic systems and products. The Role Design and develop robust software in C/C++ for embedded platforms Create and maintain technical documentation to … support design decisions Ensure software operates reliably and meets functional specifications Shape the long-term direction of software architecture and capabilities Collaborate with cross-functional teams to develop innovative technology within real-world constraints Develop and maintain test suites, including unit and integration tests Implement and troubleshoot hardware interfaces and data protocols (e.g., CAN, UART, TCP/IP More ❯

A dynamic and expanding engineering company, leading the way in advanced technical solutions, is seeking an experienced Senior Embedded Software Engineer. The primary focus of the role is developing C++ code for embedded electronic systems and products. The Role Design and develop robust software in C/C++ for embedded platforms Create and maintain technical documentation to … support design decisions Ensure software operates reliably and meets functional specifications Shape the long-term direction of software architecture and capabilities Collaborate with cross-functional teams to develop innovative technology within real-world constraints Develop and maintain test suites, including unit and integration tests Implement and troubleshoot hardware interfaces and data protocols (e.g., CAN, UART, TCP/IP More ❯

Job Title: Senior Embedded Software Engineer Location: Southampton, Hampshire Salary: up to £65,000 plus benefits Senior Embedded Software Engineer wanted! Verso is retained to add strength and depth to an established leader in the development of custom electronic solutions, destined for a variety of industries. Based from a modern Southampton, Hampshire based offices … customers. The culture is collaborative and friendly, with ample opportunity to liaise with the engineering team, quality, projects, procurement, sales, and other departments, with occasional customer interaction. The successful Senior Embedded Software Engineer will have experience with: Experience in taking software design projects from concept to manufacture. Strong background in Embedded C/C++ development. Experience … days a week on site. For more information or a confidential discussion about this job opportunity, please contact Lewis Phillips on (phone number removed) today. To Apply for this Senior Embedded Software Engineer role based in Southampton, Hampshire please email (url removed More ❯

Social network you want to login/join with: Senior Embedded Software Engineer, Southampton Client: Verso Recruitment Group Location: Southampton, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 10 Posted: 25.05.2025 Expiry Date: 09.07.2025 Job Description: Job Title: Senior Embedded Software Engineer Location: Southampton, Hampshire Salary: up to … plus benefits Role Overview: Verso is seeking a Senior Embedded Software Engineer to join their team. Based in Southampton, Hampshire, the role involves supporting the delivery of a new product designed for their customers. The environment is collaborative, with opportunities to interact with various departments and occasionally with customers. The ideal candidate will have experience in: Taking … software design projects from concept to manufacturing Embedded C/C++ development Bare metal programming Real-time operating systems (RTOS) Communication protocols (advantageous) Electrical debugging tools The position offers hybrid working options, requiring a commitment of 3 days on-site per week. For more information or a confidential discussion, contact Lewis Phillips at 01582 369 359. To apply, please More ❯

Job Title: Senior Embedded Software Engineer Location: Southampton, Hampshire (Hybrid – 3 Days Onsite) Salary: Up to £65,000 + Benefits Senior Embedded Software Engineer | Embedded C/C++ | RTOS | Bare Metal | Southampton (Hybrid) Are you an experienced Embedded Software Engineer looking to take the lead on exciting new product development? Verso is … and forward-thinking culture. You’ll be part of a multi-disciplinary engineering team working closely with quality, procurement, projects, sales, and occasionally with customers. Key Responsibilities Drive embedded software development for a new product line currently in design Collaborate with cross-functional teams to deliver high-quality solutions Design, develop, and debug embedded software for real-time … applications Y ou’ll Need: Proven experience in full lifecycle embedded software development Strong proficiency in Embedded C/C++ Experience with bare metal programming Knowledge of RTOS (Real-Time Operating Systems) Familiarity with communication protocols (e.g. UART, SPI, I2C, CAN) is advantageous Confident using electrical debugging and testing tools Why Apply? Competitive salary up to £65,000 + More ❯

Job Title: Senior Embedded Software Engineer Location: Southampton, Hampshire (Hybrid – 3 Days Onsite) Salary: Up to £65,000 + Benefits Senior Embedded Software Engineer | Embedded C/C++ | RTOS | Bare Metal | Southampton (Hybrid) Are you an experienced Embedded Software Engineer looking to take the lead on exciting new product development? Verso is … and forward-thinking culture. You’ll be part of a multi-disciplinary engineering team working closely with quality, procurement, projects, sales, and occasionally with customers. Key Responsibilities Drive embedded software development for a new product line currently in design Collaborate with cross-functional teams to deliver high-quality solutions Design, develop, and debug embedded software for real-time … applications Y ou’ll Need: Proven experience in full lifecycle embedded software development Strong proficiency in Embedded C/C++ Experience with bare metal programming Knowledge of RTOS (Real-Time Operating Systems) Familiarity with communication protocols (e.g. UART, SPI, I2C, CAN) is advantageous Confident using electrical debugging and testing tools Why Apply? Competitive salary up to £65,000 + More ❯