1 to 25 of 32 Senior Software Engineer Jobs in the South East

Senior Software Engineer

Hiring Organisation
Gregory Martin International Limited
Location
Cosham, Portsmouth, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
Senior Software Engineer – C++ Salary- £50K-£75K negotiable depending on experience plus competitive benefits package including pension, 25 days holiday and life assurance. Location – Portsmouth, Hants, Hybrid Our client is a rapidly growing software and data science consultancy firm, renowned for their reputation and keen ability … understand and meet customer requirements effectively. Their team is dedicated to delivering high-quality, end-to-end software and data science services. This role offers the opportunity to work with these teams to operate across multiple sectors, including defence, energy, transport, and health, and contribute to the development ...

Senior Software Engineer

Hiring Organisation
STSdefence
Location
Gosport, Hampshire, South East, United Kingdom
Employment Type
Permanent
Senior Software Engineer will work within the Systems and Software team in the Programmes area of STS Defence, developing and maintaining software throughout the Software Development Lifecycle from requirements elicitation, through to in service delivery. The post will provide technical leadership on software projects for key stakeholders and on software development activities undertaken by the company. This includes responsibility for managing code and quality reviews to ensure relevant quality standards are met across the software team. The Senior Software Engineer will also assist in support of wider ...

Senior Embedded Software Engineer

Hiring Organisation
Platform Recruitment Limited
Location
Royston, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Senior Embedded Software Engineer | £60-70k | 2 days in office | Royston A highly innovative engineering team is looking to a Senior Embedded Software Engineer to bridge the gap between hardware innovation and intelligent control systems. Youll be designing & developing extremely high spec instrumentation … test & production. This opportunity is unique as youll be writing code that directly shapes the direction of scientific discovery, and developing your embedded software skills in a high-spec environment that will take your skills to the next level. Senior Embedded Software Engineer Responsibilities + Design ...

Senior Java Full Stack Software Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior Java Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Type: Permanent Security Clearance: SC cleared/eligible Use your engineering expertise to improve services that millions rely on. We're hiring a Senior Software Engineer to join a mission … high-quality engineering, enjoy mentoring others, and want your work to have real public impact, this role is for you. The Role As a Senior Software Engineer (Full Stack) you'll design, build and deploy scalable, secure and well-tested software solutions. You'll contribute ...

Senior Software Engineer

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently or in small teams. The Role: As a Software Engineer, you will play a major role in developing code in the Software Modelling and Simulation, autonomy and geospatial fields, along with ...

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Senior Software Engineer Hybrid (2-3 days onsite, Central London) | £75,000 - £85,000 + benefits A high-growth technology company operating at the intersection of real-time data, analytics, and cutting-edge product development is entering an ambitious expansion phase and is looking to hire … Senior Software Engineer to play a key role in its next stage of growth. This is an opportunity to work on mission-critical, real-time systems used at scale, with genuine ownership across architecture, development, and delivery. The role is hands-on, commercially focused, and suited ...

Senior Embedded Software Engineer

Hiring Organisation
Owen Daniels
Location
Andover, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £70,000 per annum
Senior Embedded Software Engineer? Do you have experience in writing and testing code in Embedded C, C++ and Python? Are you confident working with products involving motor or motion control? If so, an exciting permanent opportunity has arisen to join a company specialising in the design … manufacture of complex electromechanical devices and machines. Senior Embedded Software Engineer Permanent OpportunityASAP StartMonday to Friday (Flexible start/finish times & hybrid working available)Location: Andover Company Info: The business is a respected, family-run business that’s been transforming lives for over a century. This leading ...

Senior AI Software Engineer

Hiring Organisation
Tec Partners
Location
Windsor, Berkshire, Eton, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Senior AI Software Engineer Employment Type: Contract Duration: 12 Months Location: Berkshire, England (1 day per month onsite) Umbrella Rate: £600-£700/day Opportunity Overview We are working with a large, technology-driven organisation seeking a Senior Software Product Engineer to join … ecosystem, you will play a key role in accelerating stakeholder objectives through robust, sustainable technology solutions. Key Responsibilities Design, develop and maintain software solutions leveraging AWS services including Amazon Connect, Amazon Lex, AWS Lambda and Large Language Models (LLMs). Collaborate with cross-functional teams to integrate new capabilities ...

Senior Embedded Software Engineer

Hiring Organisation
ZENOVO LTD
Location
Basingstoke, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Senior Embedded Software Engineer Location : Basingstoke (On-site 2 days per week) Salary Up to £75,000 (depending on experience) We're looking for a Senior Embedded Software Engineer to join a growing, multi-disciplinary engineering team in Basingstoke. You'll be working alongside … Software, Electronic, and Mechanical Engineers, contributing to the design and development of robust, high-quality electronic systems in a collaborative, engineering-led environment. A suitable applicant will have 8+ years' experience working in an Embedded Role, developing C++ and knowledge of programming into Hardware to a high standard. ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Senior Software Engineer St Albans (Hybrid) £75,000 + Bonus + Shares Method Resourcing partnering with a market-leading IoT technology provider supporting sectors such as fire, security, utilities, and critical infrastructure. Backed by private investment and operating internationally, this organisation is continuing to scale its engineering … capability as its products and customer base grow. They're now looking for a Senior Software Engineer to join a highly capable signalling/IoT engineering team. The role This is a hands-on senior engineering role focused on designing, building, and operating the software ...

Senior Software Engineer

Hiring Organisation
Matchtech
Location
Farnborough, England, United Kingdom
Senior Software Engineer – Secure Systems & Advanced Cyber (Farnborough) Work on real-world engineering challenges that directly contribute to the UK’s defence and national security. We’re looking for a Senior Software Engineer to join a small, highly capable team developing next‐generation secure … where you’ll thrive. What you'll be doing: You’ll join a multidisciplinary engineering group that designs, prototypes, and delivers high‐assurance hardware–software solutions used in some of the most demanding security environments in the UK. You’ll work on projects from early-stage research through ...

Senior Software Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£53.85 - £61.68 per hour
Senior Software Engineer Location: London (Hybrid) Contract Duration: 6 months Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full-stack infrastructure to automate workflows and drive efficiency. We're seeking a Senior Software Engineer (L5) to deliver production-grade code while architecting autonomous AI workflows. This role combines technical expertise, product thinking, and scaling AI solutions across complex systems, working in a small agile team within a larger engineering organization. Key Responsibilities Design, develop, and deploy AI-powered systems that enhance ...

Senior Software Engineer - Security Cleared

Hiring Organisation
NSD
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Senior Software Engineer - SC Cleared Location: Farnborough (Hybrid/On-site) Salary: Up to £100,000 (dependent on experience) Clearance: Active SC clearance (willing and eligible to go through DV) To Apply: Email An opportunity for a senior software engineer to work alongside security … researchers on technically challenging problems with real-world impact. The role involves developing complex software used to analyse, interact with, and expose unintended behaviour in a wide range of platforms and systems. You'll gain deep exposure to operating system internals and unconventional environments, with a strong focus ...

Senior Software Engineer (C++ / Unreal Engine)

Hiring Organisation
Talent Locker
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 … 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 ...

Senior Software Engineer (C++ / Unreal Engine)

Hiring Organisation
Talent Locker
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
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 ...

Senior Software Engineer

Hiring Organisation
Copello
Location
South East, United Kingdom
Employment Type
Permanent
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 to join a leading organisation specialising in advanced cryptographic and key management solutions that ensure secure information exchange worldwide. This role 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 ...

Senior Software Engineer

Hiring Organisation
Sirius Digital
Location
Portsmouth, Hampshire, UK
Senior Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. xkybehq We are a small but rapidly growing consultancy, owned ...

Senior Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Senior Software Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 2 days in the office which is located near Liverpool Street £70,000 - £90,000 If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this … progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design ...

Senior Software Engineer

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
looking for a Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server. We offer a hybrid working arrangement with one or two days … week in our Milton Keynes office. Key Responsibilities: Be up to date regarding best practices in software development and deployment Implement best practice coding in relation to development coding standards Use operational data to improve the stability and performance of the applications Maintain documentation and release notes Have awareness ...

Senior Software Engineer Betting/Trading

Hiring Organisation
Rise Technical Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Senior Software Engineer (Betting/Trading)Canary Wharf, London (Hybrid) £75,000 - £85,000 + Holiday + Pension This is an excellent opportunity for an experienced developer to join a disruptive technology start-up at a pivotal moment of growth. If you are a versatile engineer … Managers to define requirements, collaborate with third-party developers, and ensure the seamless rollout of new releases through end-to-end testing. As a senior member of a small, dynamic team, you will also play a key role in system support and problem solving to ensure high-performance service ...

Senior Software Engineer Agentic AI

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
Senior Software Engineer (Agentic AI) Salary: £120,000 + Equity Location: London Build and own the core systems behind autonomous AI agents that operate in real time, over voice, delivering immediate impact in healthcare. The Opportunity This opportunity is to join a fast-growing AI company building … safety are non-negotiable, as the technology directly supports clinicians and patients in real-world environments. It's a chance to join a small, senior, in-person team operating at the frontier of applied AI with immediate impact. Role and Repsonsibilities This role focuses on designing and building ...

Lead / Senior Software Engineer - Java/Python/AWS - 12 Month Contract

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £425 per day
Lead/Senior Software Engineer for 12 month contract on site in London. Working for a Big 4 professional services firm delivering software projects. Java, Python, Cloud Native AWS, AI, DevOps, CI/CD - Jenkins/GitLab Lead/Senior Java/Python EngineersBig ...

Senior Embedded Software Engineer – Motorsport

Hiring Organisation
GTS Group Ltd
Location
Woking, England, United Kingdom
Senior Embedded Software Engineer – Motorsport Woking, Surrey (Hybrid) Are you a talented Embedded Software Tools Engineer looking to make an impact in motorsport and automotive technology Join a dynamic, fast-paced team in Woking, Surrey , working on cutting-edge MATLAB/Simulink embedded software tools for high-performance vehicles. What You’ll Do Develop and maintain MATLAB/Simulink toolboxes for embedded software code generation. Support engineers on projects for F1, IndyCar, NASCAR, Formula E, WEC and more. Work on SIL simulation environments to test and validate control software. Lead software ...

Senior Software Engineer

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
looking for a Senior Software Engineer to join our Group Technology team in Milton Keynes. In this role, you will help develop, support and enhance business systems and applications using .NET technologies and SQL Server. We offer a hybrid working arrangement with one or two days ...

Senior Software Engineer

Hiring Organisation
Nextech Group Limited
Location
Clacton-On-Sea, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Senior Software Developer Clacton-on-Sea | Hybrid Salary: £50k+ *Must have valid right to work, NO sponsorship provided for this role* A great client of mine, a leading technology company , is looking to hire a Senior .NET Developer to join their engineering team. This is a strong … opportunity to work within a well-established business that values solid engineering, long-term thinking and gives senior developers real ownership over their work. With a complex, business-critical tech stack and a clear roadmap for improvement and modernisation, they're looking for someone confident working across both legacy ...