Software Engineer C Python Java Defence Tech Jobs in UK

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Software Engineer (C#, Python, Java) | Defence Tech

Software Engineer (Defence - hiring mid to senior levels | 2yrs+) Taking Software Engineers across both Application Development and Low-Level / Embedded Newcastle (on-site) Defence Tech Start-up Software Engineer (Defence Tech) A growing defence-tech consul ...

Defence Tech Software Engineer (C#/Python/Java) Impactful

Switch Tech Talent is looking for Software Engineers in Newcastle to work on modern applications for defence clients. You'll develop secure applications and solve complex problems with top engineers. The role involves backend and frontend development, requiring proficiency in C#, Python, C++, and more, along wit ...

Software Engineer (C++, Java, Python)

Permanent Software Engineer (C++, Java, Python) Software Engineering Ampthill - Bedfordshire About the Role We have a need for a replacement Software Engineer with strong C++, Java, Python programming skills to join the Ampthill, B ...

Software Engineer (C++, Java, Python)

Permanent Software Engineer (C++, Java, Python) Software Engineering Ampthill - Bedfordshire About the Role We have a need for a replacement Software Engineer with strong C++, Java, Python programming skills to join the Ampthill, B ...

Wealth Tech Software Engineer Associate (Python/Java)

A leading investment firm is seeking a Software Engineer Associate in London. This role involves developing a state-of-the-art finance platform using technologies like Python and Java, contributing to asset allocation strategies for a multi-billion-dollar portfolio. Candidates should have a BS in Computer Scienc ...

Lead Software Engineer Python & Java, Markets Tech

A leading financial services firm in Greater London seeks a Lead Software Engineer to drive the design and delivery of innovative technology solutions. You will be part of an agile team, directly impacting client services and business success. The ideal candidate will hold a Bachelor’s Degree in Computer Science ...

Lead Software Engineer Python & Java, Markets Tech

A leading global financial services firm is looking for a Lead Software Engineer to design and deliver secure technology solutions in an agile environment. You will collaborate across various teams, addressing complex problems and producing high-quality code. Key qualifications include a Bachelor’s degree in Com ...

Lead Software Engineer Python & Java, Markets Tech

A leading financial services institution in Greater London is seeking a Lead Software Engineer to design scalable technology solutions that support business goals. You will work in an agile environment, developing high-quality production code and collaborating across functions to ensure compliance and functional ...

Lead Software Engineer Python & Java, Markets Tech

A leading financial services firm is seeking a Lead Software Engineer to design and deliver secure technology solutions. The role involves collaborating with various teams, developing high-quality code, and continuously improving processes. Candidates should have a Bachelor's degree in Computer Science, strong s ...

Software Engineer (C/C++/C#/Python)

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communic ...

Software Engineer (C/C++/C#/Python)

Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense ...

Software Engineer C/C/++/ C#/ Python

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world‑class solutions in communications, 5G, automotive, energy, quantum ...

Software Engineer C/C/++/ C#/ Python

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world‑class solutions in communications, 5G, automotive, energy, quantum ...

Software Engineer (C/C++/C#/Python)

Overview Do you have the right skills and experience for this role Read on to find out, and make your application.Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, ...

Software Engineer C/C/++/ C#/ Python

OverviewKeysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15, employees create world-class solutions in communications, 5G, automotive, energy, qu ...

Software Engineer C/C/++/ C#/ Python

OverviewKeysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15, employees create world-class solutions in communications, 5G, automotive, energy, qu ...

C++ Software Engineer (Embedded) – Agile Defence Tech

Leonardo UK Ltd is seeking a Software Engineer to work on advanced defence and aerospace projects in Edinburgh. The role entails collaborating within an agile team to design, implement, and test software functionalities crucial for the UK's air defence capabilities. Candidates should have strong C++ programming ...

Software Engineer (Java / C++)

Software Engineer (Java / C++) Date: Apr 21, 2026 Location: Abingdon, OXF, GB, OX14 4RW We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best ...

Software Engineer (Java / C++)

Select how often (in days) to receive an alert: We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewa ...

Software Engineer (Java / C++)

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s la ...

Software Engineer (Java / C++)

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s large ...

Software Engineer (Java / C++)

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s large ...

Software Engineer (C++/Python)

Job Description My client, a global leader in financial technology and capital markets infrastructure, is hiring a C++ / Python Engineer to join an existing team based in Belfast. This is an exciting opportunity to work on next‑generation execution platforms and ultra‑low latency systems ...

Graduate Software Engineer C++, C#, Python

We are looking for a Graduate Software Engineer with a 1-2 years experience to be based in our busy team at our Bournemouth offices.This is a varied and busy role developing software and supporting documentation according to the requirements of both internal and external customers, under supervision of se ...

Software Engineer (Python and Java)

**Description** **Software Engineer** **Programme Name:** Maritime Internal Research & Development **Location:** Farnborough, with flexibility to work from home dependent on business demands **Salary:** £47,600 - £61,000 **Are you ready for your next career challen ...

Software Engineer Java/JavaScript/Python

MCS Group is delighted to be partnering with a global technology organisation as they expand their Cyber Security Engineering teams with the addition of multiple Software Engineers across varying levels of experience. This is an opportunity to join a modern, cloud-first engineering environm ...

Senior Software Engineer (Python/Java)

Role Description Location: Bucharest, Romania To re-implement and test existing StarMine Quant models in Python to provided specifications, and to build brand-new models working in collaboration with our Research teams. Build data pipelines to break down complex calculations into manageab ...

Software Engineer (Python and Java)

Software Engineer (Python & Java) Programme Name: Maritime Internal Research & Development Location: Farnborough, with flexibility to work from home dependent on business demands Salary: £47,600 - £61,000 We are seeking a Software Engineer (Pytho ...

Senior Software Engineer — Java & Python

A global financial institution is seeking an experienced Software Engineer to join their Global Technology team in Glasgow. The candidate will design and develop scalable systems, creating high-quality code while participating in an agile environment. Candidates should have hands-on experience with Java or Pytho ...

Software Engineer Java/JavaScript/Python

MCS Group is delighted to be partnering with a global technology organisation as they expand their Cyber Security Engineering teams with the addition of multiple Software Engineers across varying levels of experience. This is an opportunity to join a modern, cloud ...

Senior Software Engineer (Java/Python)

Job Description Make sure to apply with all the requested information, as laid out in the job overview below.Senior Software Engineer (Java / Python / Cloud & AI) We're looking for a Senior Software Engineer to join a high-performing technology team building scalable, cloud-native applic ...

Lead Software Engineer Python / Java

Join us and elevate your software engineering career. You’ll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you’ll collaborate with talented teams, grow your skills, and make a real impact. We value your expertise and offer a dynamic environment where ...

Software Engineer (Java/Python/BPEL)

Software Engineer – Back-end (Java/Python/BPEL)Location: Farnborough, UKClearance Level: High DV - 'Developed Vetting' UNLEASH YOUR POTENTIAL Everything we do is built on a commitment to do the right thing for our customers, our people and our community. ...

Lead Software Engineer Python / Java

Join us and elevate your software engineering career. You’ll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you’ll collaborate with talented teams, grow your skills, and make a real impact. We value your expertise and offer a dynamic environment where ...

Software Engineer (Java/Python/BPEL)

Software Engineer – Back-end (Java/Python/BPEL)Location: Farnborough, UKClearance Level: High DV - 'Developed Vetting' UNLEASH YOUR POTENTIAL Everything we do is built on a commitment to do the right thing for our customers, our people and our community. ...

Senior Software Engineer (Python/Java, AWS) – Onsite, UK Defence

A leading firm in Defence and National Security is seeking a Senior Software Engineer skilled in Python or Java and AWS, to deliver on a secure government programme based in London, Manchester, or Cheltenham. The position is primarily on-site, with the flexibility discussed for the right candidate. Candidates sh ...

Software Engineer Hybrid, 4 Day Week | C++, Java, Python

Lockheed Martin in Ampthill, England, is seeking a passionate Software Engineer to work on meaningful projects while utilizing C++, Java, and Python programming skills. The position offers a hybrid working model, a 4-day work week, and exceptional training opportunities, ensuring a strong work/life balance. The ...

Software Engineer React/Python/C#

Description Do you want to work to make Power for Good? We’re the world’s largest independent renewable energy company. We’re guided by a simple yet powerful vision: to create a future where everyone has access to affordable, zero‑carbon energy. We know that achieving our ambitions would ...

Senior Software Engineer (C++/Python)

Job Description My client, a global leader in financial technology and capital markets infrastructure, is hiring a Senior C++ Developer to join an established engineering team based in Belfast. This is a key position within a high-performing team focused on building next-generation, ...

Associate Software Engineer (C++/Python)

Job Description My client, a leading organisation in financial technology and capital markets infrastructure, is hiring an Associate Engineer (C++/Python) to join their growing technology team based in Belfast. This is an excellent opportunity for an early-career engineer to work on cutti ...

Software Engineer React/Python/C#

Description Do you want to work to make Power for Good?We're the world's largest independent renewable energy company. We're guided by a simple yet powerful vision: to create a future where everyone has access to affordable, zero carbon energy.We know that achieving our ambitions woul ...

Software Engineer C++ Python Risk

Software Engineer / Developer (C++ Python Risk) London to £130kAre you a backend focussed Software Engineer with experience of working on financial Risk systems?You could be progressing your career in a hands-on Software Engineer role at the Investment Management arm of a global bank. ...

Software Engineer React/Python/C#

Description Do you want to work to make Power for Good?We're the world's largest independent renewable energy company. We're guided by a simple yet powerful vision: to create a future where everyone has access to affordable, zero carbon energy.We know that achieving our ambitions woul ...

Software Engineer C++ Python Risk

Software Engineer / Developer (C++ Python Risk) London to £130kAre you a backend focussed Software Engineer with experience of working on financial Risk systems?You could be progressing your career in a hands-on Software Engineer role at the Investment Management arm of a global bank. ...

Senior C++ Software Architect & Tech Lead (Defence)

A leading defence technology firm in the UK is searching for an experienced Software Engineer to lead a skilled team of design engineers and deliver high-quality products. The successful candidate will define and oversee software designs, ensuring compliance with industry standards and project timelines. Key qua ...

Software Engineer (C/C++) – Defence & Aerospace, Hybrid

Leonardo UK Ltd is seeking experienced Software Engineers to join the Test Engineering community in Newcastle. The role involves developing software for advanced defence projects, including the Eurofighter Typhoon. Candidates should have experience with C/C++, be familiar with the Software Development Lifecycle, ...

Software Developer Java, C#

Join to apply for the Software Developer - Java, C# role at Marmion This range is provided by Marmion. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poste ...

Software Developer C++ & Python

Job Title: Software Developer - C++ & PythonJob DescriptionWe are looking for someone to join our software engineering team to be responsible for upgrading and enhancing some internal infrastructure, with a focus on security and maintainability. This role will ...

Software Developer C++ & Python

Job Title: Software Developer - C++ & PythonJob DescriptionWe are looking for someone to join our software engineering team to be responsible for upgrading and enhancing some internal infrastructure, with a focus on security and maintainability. This role will ...

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    Software Engineer C Python Java Defence Tech Jobs in United Kingdom Job Search Guide, Trends and Insights