1 to 25 of 486 Software Engineer Jobs in the South East

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in … an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of the work these clients do … you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements More ❯

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance bonus London based organisation in an easily … accessible location Permanent Software Engineer To apply please call/or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. WE NEED THE SENIOR SOFTWARE 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. At Diamond we are currently undertaking a major upgrade of the facility, known as Diamond-II. Diamond-II will combine a new machine and new beamlines with a comprehensive series of upgrades to optics, detectors, sample environments … sample delivery capabilities and computing, which will ultimately generate an even more brilliant light source at a higher energy. About the Role We now have an opportunity for a software engineer within the DAQ group team that supports and develops software for Diamonds Soft Condensed Matter(SCM)and Crystallography(X)science groupson a 4-year fixed term More ❯

Software Engineer, Python, COR7356 This is an excellent opportunity for a junior-to-mid-level Software Engineer to join an established, innovative Medtech company, originally spun out of Oxford University. The Software Engineer will use prior commercial experience of Python to develop state-of-the-art medical imaging software and techniques to support … business development and growth. Working closely with the CTO as part of a dedicated development team working to develop state-of-the-art medical imaging software, the Software Engineer will: Work with a mature Python/Django codebase to further develop clinical products which give diagnostics information to clinicians Work with machine learning concepts to develop existing … administer documented procedures around quality and cybersecurity Monitor and optimise system performance, availability, and security, troubleshooting/resolving issues across cloud, network and Linux-based systems The Company The Software Engineer will be joining an established Oxford-university spinout, paving the way in the diagnosis of disease. They are a company who are truly making a difference, with More ❯

Clear diversity policy Clear progression plan Paid training opportunities Looking for an Entry-level Software Engineer job in London? Do you want to work for a company that provides a varied range of opportunities to work on projects for customers in different sectors, using a broad range of technology? Look no further! Apply for this Graduate Software Engineer role! Company profile – Professional Services & Cyber Security In this Software Engineer role, you will be working for a UK-based, IT professional services company, building up your skills to become a Professional Engineer through the British Computer Society.Our client provides professional services to maintain, develop and in some cases manage existing national or enterprise … their future career. They are looking to grow the team again and want staff that are hungry to join their ranks to become professionals in this industry. Job description – Software Engineer In this entry-level role, Software Engineers are responsible for building, developing, launching and maintaining systems, applications and platforms. You will be involved in all aspects More ❯

Full Stack Software Engineer Up to £70,000 DOE + Benefits Mostly remote - 1 day onsite in London every fortnight Must be eligible for SC Clearance Full Stack Software Engineer - Java/AWS Join a forward-thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering … cutting-edge solutions that empower UK Government and National Security organisations. Their teams tackle complex operational challenges through innovative software design, modern development practices, and close client collaboration. Due to continued growth and new project wins, they are seeking a talented Software Engineer to join a long-term Central Government project. THE BENEFITS Up to … training and continuous professional development Collaborative, inclusive, and Agile working environment Regular team socials and networking events 25 days holiday + bank holidays + buy/sell options THE SOFTWARE ENGINEER ROLE: As a Software Engineer , you'll work in an Agile team building bespoke, secure, and scalable software solutions. You'll collaborate with cross More ❯

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer-focused products using Python? Do you align with their principles … Work as much as you want, where you want” - giving Software Engineers the autonomy and support to perform at their best? Do you want to be part of a period of significant growth and opportunity, shaping elegant solutions to complex challenges and guiding engineering excellence? Then this is a role you should explore... Senior Software Engineer (Python … We are working with one of the UKs most exciting scale-ups to find them Senior Software Engineers with exceptional knowledge of building great products in Python on AWS. They use machine learning technology to help tackle climate change by reducing carbon emissions. They are at a critical period in their journey and will be growing their engineering function More ❯

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer-focused products using Python? Do you align with their principles … Work as much as you want, where you want” - giving Software Engineers the autonomy and support to perform at their best? Do you want to be part of a period of significant growth and opportunity, shaping elegant solutions to complex challenges and guiding engineering excellence? Then this is a role you should explore... Senior Software Engineer (Python … We are working with one of the UKs most exciting scale-ups to find them Senior Software Engineers with exceptional knowledge of building great products in Python on AWS. They use machine learning technology to help tackle climate change by reducing carbon emissions. They are at a critical period in their journey and will be growing their engineering function More ❯

Senior Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The … organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Engineer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain … highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Engineer - Experience Required Proven experience as a Full Stack Engineer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless More ❯

Senior to Principal Software Engineer | Mission-led Fintech - Hybrid London Here’s the thing. If you’re a Senior, Staff, or Principal Software Engineer who wants serious impact without the ego-fest, this will probably speak to you. I’m partnering with a fast-growing fintech that helps millions manage how they earn, save, and spend … and data you can do something with. Proper ownership. Fast cycles, low ceremony, and room to shape architecture while mentoring others. What you’ll work with as a Staff Software Engineer Stack: Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS. Setup: Cross-functional squads that care about outcomes, not ticket-ticking. You’ll improve scalability, evolve architecture, and still … days annual leave, enhanced parental benefits, private healthcare Sabbatical and volunteering leave Tax-efficient pension and flexible benefits schemes If you’ve been looking for a Principal or Senior Software Engineer role in London where you can build for scale and feel good about the outcome, let’s talk. Drop me a message here or email your CV. More ❯

Senior to Principal Software Engineer | Mission-led Fintech - Hybrid London Here’s the thing. If you’re a Senior, Staff, or Principal Software Engineer who wants serious impact without the ego-fest, this will probably speak to you. I’m partnering with a fast-growing fintech that helps millions manage how they earn, save, and spend … and data you can do something with. Proper ownership. Fast cycles, low ceremony, and room to shape architecture while mentoring others. What you’ll work with as a Staff Software Engineer Stack: Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS. Setup: Cross-functional squads that care about outcomes, not ticket-ticking. You’ll improve scalability, evolve architecture, and still … days annual leave, enhanced parental benefits, private healthcare Sabbatical and volunteering leave Tax-efficient pension and flexible benefits schemes If you’ve been looking for a Principal or Senior Software Engineer role in London where you can build for scale and feel good about the outcome, let’s talk. Drop me a message here or email your CV. More ❯

Senior to Principal Software Engineer | Mission-led Fintech - Hybrid London Here’s the thing. If you’re a Senior, Staff, or Principal Software Engineer who wants serious impact without the ego-fest, this will probably speak to you. I’m partnering with a fast-growing fintech that helps millions manage how they earn, save, and spend … and data you can do something with. Proper ownership. Fast cycles, low ceremony, and room to shape architecture while mentoring others. What you’ll work with as a Staff Software Engineer Stack: Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS. Setup: Cross-functional squads that care about outcomes, not ticket-ticking. You’ll improve scalability, evolve architecture, and still … days annual leave, enhanced parental benefits, private healthcare Sabbatical and volunteering leave Tax-efficient pension and flexible benefits schemes If you’ve been looking for a Principal or Senior Software Engineer role in London where you can build for scale and feel good about the outcome, let’s talk. Drop me a message here or email your CV. More ❯

Lead Backend Software Engineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend Software Engineer with team leadership skills? You could be progressing your career in a Lead Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of … the UKs top employers. As a Lead Backend Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into high … re collaborative and pragmatic with great communication skills, you're comfortable working with other teams and business stakeholders W hat's in it for you: As a Lead Backend Software Engineer you will earn a competitive package: Salary to £115k + Bonus Pension, Private Medical Care, Life Assurance Option to buy or sell holiday days Wellness benefits and More ❯

Role: Full Stack Software Engineer Salary: circa £80,000 to £90,000 per annum, depending on experienceLocation: fully remote, with occasional visits to Basingstoke We are looking for a skilled Full Stack Software Engineer to design and develop cutting-edge products with a focus on Python , PostgreSQL and front-end development. You'd be working in … a flexible, remote-first environment, tackling interesting and complex challenges within a small, highly skilled team. The Full Stack Software Engineer role involves building a query interface for a large internal backend data system. It requires engaging with technical stakeholders to understand their data access needs, translating those into actionable requirements, and delivering a solution that includes both … backend logic and a functional user-facing front end. This is a full-time permanent Full Stack Software Engineer position, paying between circa £80,000 - £90,000 per annum, depending on experience. For this role, you must be eligible and willing to undergo Security Check clearance ("SC Clearance"). This Full Stack Software Engineer position is More ❯

Lead Software Engineer | Reading | £70-90k Do you have experience with embedded systems & AI? A fast-growing company in Reading is looking for someone like you to lead their Software Development team. You'll be able to lead the direction of the software architecture while working on real-life environmental solutions making the world a … greener, and safer place. Responsibilities as a Lead Software Engineer: + Full ownership of the software used on the companys modules & lead development & maintenance of applications for the main system + Mentorship of junior engineers, taking the lead in the companys culture + Developing embedded systems and AI models Required skills for Lead Software Engineer: + Have held a leading software engineer role for a number of years + Proficiency with scripting languages like Python + Proficiency in C++ and Computer Vision + Experience developing control mechanisms for automation + Experience with embedded software development (microcontrollers etc.) Desirable skills: + Experience designing low power automated systems + AWS knowledge + Experience More ❯

Java Software Engineer - Asset Management Software Salary: £70,000 - £80,000 + bonus + benefits Approximately 3 days a week in Central London office. A central London-based company, who are building trading software for the asset management and hedge fund industry, are looking for a Java Software Engineer to join them on their … mission. This scale-up is a spin-out from one of the largest UK born global asset managers. They are looking for a Java Software Engineer with the following: Mid level commercial Core Java development background Multithreading, concurrency and high-throughput experience AWS/Public Cloud experience with DevOps tools An advocate for modern methodologies including TDD, pair … programming and CD Tech: Core Java, Multithreading, Concurrency, AWS, DevOps, ActiveMQ/MongoDB, Kafka The role will suit a Java Software Engineer with a strong enthusiasm to work in a fast-paced, financial environment and who has a natural interest in the trading industry. Day-to-day, you will be building distributed, low-latency systems and will be More ❯

Embedded Software Engineer Southampton/Hybrid, 3 days on site/flexible hours Defence technology/security clearance required £50,000 - £65,000 Are you an Embedded Software Engineer looking to contribute to cutting-edge defence technology? Based in Southampton, this Embedded Software Engineer job offers the opportunity to work on advanced embedded systems … in a secure environment. Due to the sensitive nature of the projects, security clearance will be required. The Senior Embedded Software Engineer’s main responsibilities: - Develop C/C++ code for embedded systems and user interfaces - Design and develop GUIs using commercial and open-source libraries - Develop system control, monitoring software, and video processing applications - Design and … implement test frameworks and stimuli Skills required: - Experience in C/C++ programming for embedded systems - Familiarity with GUI and video processing software development - Linux device driver development Security Requirements: Due to the nature of this role, candidates must be eligible for security clearance and be a UK passport holder. The package for the Embedded Software Engineer More ❯

Embedded Software Engineer Southampton/Hybrid, 3 days on site/flexible hours Defence technology/security clearance required £50,000 - £65,000 Are you an Embedded Software Engineer looking to contribute to cutting-edge defence technology? Based in Southampton, this Embedded Software Engineer job offers the opportunity to work on advanced embedded systems … in a secure environment. Due to the sensitive nature of the projects, security clearance will be required. The Senior Embedded Software Engineer’s main responsibilities: - Develop C/C++ code for embedded systems and user interfaces - Design and develop GUIs using commercial and open-source libraries - Develop system control, monitoring software, and video processing applications - Design and … implement test frameworks and stimuli Skills required: - Experience in C/C++ programming for embedded systems - Familiarity with GUI and video processing software development - Linux device driver development Security Requirements: Due to the nature of this role, candidates must be eligible for security clearance and be a UK passport holder. The package for the Embedded Software Engineer More ❯

Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid 3 days a week in the office) Java Software Engineer:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track record of … building things that others have ruled out as impossible. The Java Software Engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with a variety of languages, frameworks and tools. Applicants will … need a background in Java with a focus on Server side technologies. Core skills for the Back End Engineer: 5yrs+ in a commercial Development role Solid experience of Java (3yrs+) Good knowledge of Cloud Technologies (AWS) and Microservices Strong Database experience Degree in Computer Science, Engineering, or a related field, or equivalent hands-on experience in engineering. Experience or More ❯

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase … systems (some frontend too, if you like). This area is the future of the company (and the industry!) and as such has strong investment and visibility. The Senior Software Engineer will be responsible for leading the design, build and deployment of industry leading software solutions. You’ll work in collaboration with product, design and the wider … engineering team to improve and scale existing features, as well as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong coding experience in either Java, Golang (Go), Python or Scala – multiple would be even better! • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with More ❯

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase … systems (some frontend too, if you like). This area is the future of the company (and the industry!) and as such has strong investment and visibility. The Senior Software Engineer will be responsible for leading the design, build and deployment of industry leading software solutions. You’ll work in collaboration with product, design and the wider … engineering team to improve and scale existing features, as well as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong coding experience in either Java, Golang (Go), Python or Scala – multiple would be even better! • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with More ❯

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry. In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase … systems (some frontend too, if you like). This area is the future of the company (and the industry!) and as such has strong investment and visibility. The Senior Software Engineer will be responsible for leading the design, build and deployment of industry leading software solutions. You’ll work in collaboration with product, design and the wider … engineering team to improve and scale existing features, as well as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong coding experience in either Java, Golang (Go), Python or Scala – multiple would be even better! • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with More ❯

We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! MBDA is a great a place to learn about the company's entire product portfolio, whilst embracing the change to DevOps and other innovative technologies! Job Title: Senior Software Engineer Salary … leave, neonatal leave and fertility testing and treatments. Facilities : Fantastic site facilities including subsidised meals, free car parking and much more. The opportunity: We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! Test Software UK collaborate across Electronic Engineering, our Test Centre of Excellence … and Software Engineering to deliver the MBDA UK test capability. Our mission as a function is to facilitate robust and timely test of missile systems and ensure MBDA continues to provide a decisive military capability for our home nations and their allies. Spanning a diverse portfolio of work packages, Test Software UK directly influences the company's product More ❯

Software Engineer £75000 GBP Hybrid WORKING Location: Stevenage, Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer Location: Stevenage/Hertfordshire (Hybrid 3-5 Days Per Week Onsite) Job Type: Permanent Salary: Up to £75,000 depending on experience Overview An excellent opportunity has arisen for a Senior Software Engineer to join … on some of the UK's most advanced missile and weapon systems. This role sits within a dynamic and multi-disciplined team responsible for designing, developing and supporting the software that enables configuration, verification, and validation of product portfolio's. Spanning the full lifecycle from development through to production and field testing, this is a chance to contribute to … mission-critical systems where your software directly impacts the certification, manufacturing output, and operational readiness of UK defence platforms. Key Responsibilities Design, develop, and support test software solutions Collaborate with Electronic Engineering, Test Centre of Excellence, and Systems teams to deliver robust test capability Produce reliable, high-performance software in C, C++, or ADA with clear documentation More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the … understanding of web development practices, tools and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI/CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated More ❯