Software Engineer C Python Java Defence Tech Jobs in UK

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C&I Engineer

An innovative and sustainably focused fuel storage company with a global presence are looking for a skilled and experienced C&I Engineer to join their team in the South East region! They are passionate about people and ensuring that the development of their employees is at the heart of everythi ...

C&I Engineer

An innovative and sustainably focused fuel storage company with a global presence are looking for a skilled and experienced C&I Engineer to join their team in the South East region! They are passionate about people and ensuring that the development of their employees is at the heart of everythi ...

Senior Engineer (C#)

Role Overview :As a Senior Engineer at TP ICAP you will be responsible for demonstrating excellent technical competencies with a desire to improve and mentor junior members of the team. You will take responsibility for your assigned work by taking ownership of the design, development test ...

C&I Engineer

EC&I Engineer - South East RegionA leading UK infrastructure operator is seeking a hands-on Control & Instrumentation Engineer to support critical pipeline and tank storage assets across the South East.This is a technically demanding position within a regional engineering team r ...

C++ Algorithms Engineer

Job DescriptionEngage in the development of next-generation sonar systems and autonomous undersea vehicles, with ALTEN Ltd! Join our team to develop and integrate advanced mathematical models and signal processing al ...

GPU C++ Engineer

This is one of the world’s leading algorithmic trading firms, and they recognise what keeps them at the top of their game is the strength of their engineers and the critical code they write. As they scale out their compute environment, you could be one of them!This role offers the opportunity for outst ...

C++ Modelling Engineer

C++ Modelling Engineer - Contractor - Outside IR35 Hybrid working My client is a Reading based world leader in the Semiconductor industry, developing products with automotive applications. They are looking for a C++ Modelling Engineer to be responsible for model creation for thei ...

C++ Platform Engineer

Salary: up to £200k + bonusSummaryLeading HFT fund looking for modern C++ engineers – ideally with a passion for cricket or football – to join their growing quantitative sports trading team based in London.This role offers the opportunity to collaborate extensive ...

Senior Engineer (C++)

Role Overview We are looking for a highly skilled Senior C++ Engineer to join our Global Analytics team. In this role, you will design, build, and maintain high-performance trading and analytics systems used across our business. You’ll work on low-latency, mission-critical applications, a ...

C++ Engineer – London

Salary: £200k base + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for an expert C++ engineer to join their core UI team. Their projects include applications for real-time trading and ...

Senior C# Engineer

As a Senior Software Engineer, you will work as part of a highly skilled and close-knit development team following Scrum methodologies to develop market-leading insurance pricing solutions. This is a varied and challenging opportunity where you will play a key role creating new product features and enhancing ...

FX Front Office IT Developer — Java/C# (London)

A leading banking institution in London is searching for a Developer to work closely with front office users in foreign exchange trading. Candidates should have experience with Java or C# and a strong desire to learn about financial services. Responsibilities include enhancing front-office systems, managing dev ...

Junior Technical Consultant ( Java or C# ) Learn ETRM

Junior Technical Consultant (Java / C#) – Energy/Commodities Trading | London Kick-start your career in one of the most specialised and high-value areas of technology and business: Energy & Commodities Trading and Risk Management. As a Junior Technical Consultant, you’ll undertake ...

Front Office FX IT Developer (Java/C#) – London

Crédit Agricole SA is seeking a Developer based in London, UK. The role involves enhancing front-office systems for foreign exchange trading, managing project deliveries, and automating processes. Candidates should have a strong desire to learn, excellent communication skills, and experience in C# or Java. A rec ...

Front Office FX Developer (C#/Java, SQL, Trading)

Crédit Agricole CIB is looking for a Developer with experience in C# or Java to enhance its front-office systems in the financial services sector. The role involves collaborating with users such as traders and risk analysts, and responsibilities include developing systems for foreign exchange trading, managing v ...

C# Intern Developer — Front Office FX Tech

A leading bank in the United Kingdom seeks an Intern Developer to work closely with front office users in financial services. The role offers significant exposure to financial products and responsibilities include managing project deliveries and developing features for trading systems. Ideal candidates will have ...

C++ Developer — Hybrid, Cutting‑Edge Security Tech

A leading security technology firm in Gloucester seeks an experienced C++ Developer to enhance national security products. Join an agile team to deliver cutting-edge technology solutions and engage with international customers. The ideal candidate is skilled in C++, Linux, and networking protocols, thrives in a ...

Senior FX Options Tech (C# / React / TS)

Hawksworth is looking for a Senior Developer – FX Options Risk & Valuation Systems for an initial 6-month assignment. Located in London with hybrid working (3 days in office, 2 remote), you will enhance systems for the FX Options Trading desk. Responsibilities include full stack development using C#, TypeScript, ...

Software Engineer in Cambridge Trustonic

Software Engineer Cambridge, United Kingdom Posted 10 months ago Trustonic is a global leader in trusted technology for telecoms and cybersecurity, providing innovative solutions to enhance security and protect revenue for technology companies worldwide. Tech stack ...

Senior Software Engineer, Unified Platform (Data at Scale)

A leading trading firm is seeking a Senior Software Engineer to join their Unified Platform organization. You will develop innovative software solutions to process large-scale data, partnering closely with internal users. The ideal candidate has 2-3 years of experience in platform-level software development and ...

Senior Software Engineer — Architect, Scale & Mentor

A leading software development firm is seeking a Senior Software Engineer to architect and maintain enterprise-grade software. The role requires over 6 years of experience, proficiency in Java or Python, and expertise in cloud infrastructure and microservices. You will lead code reviews, mentor junior engineers, ...

Senior Software Engineer — Architect, Scale & Mentor

A leading software development firm is seeking a Senior Software Engineer to architect and maintain enterprise-grade software. The role requires over 6 years of experience, proficiency in Java or Python, and expertise in cloud infrastructure and microservices. You will lead code reviews, mentor junior engineers, ...

Senior Software Engineer, Unified Platform — Global Market Data

A financial services company in London is looking for a Senior Software Engineer to join their Unified Platform team. The role involves developing innovative systems to support research and trading, requiring over 5 years of software development experience and strong skills in Java and Python. The engineer will ...

Senior Software Engineer, Unified Platform — Global Market Data

A financial services company in London is looking for a Senior Software Engineer to join their Unified Platform team. The role involves developing innovative systems to support research and trading, requiring over 5 years of software development experience and strong skills in Java and Python. The engineer will ...

Java Software Developer — Transform Digital Services

A growing technology consultancy in the UK is seeking a Software Developer (Java) to enhance their digital services. This role involves collaboration within agile teams to design, build, and maintain innovative applications. The ideal candidate will have excellent Java skills and a strong commitment to best prac ...

Java Developer: Travel & Deploy Warehouse Software

TGW Northern Europe is seeking a Java Developer to work closely with cross-functional teams to deliver innovative Warehouse Control Software solutions. In this role, you will implement and enhance existing features, maintain software systems, and ensure project delivery timelines are met. The ideal can ...

Junior/Mid Level Java Software Developer

Junior/Mid-Level Java Software Developer Are you a Java Developer with a passion for modern development techniques and clean code looking to make an impact? Fruition Group are supporting a rapidly growing fintech business looking to make a home in Leeds. This company provides a digital platform t ...

Remote Java Software Developer – 12m FTC

A forward-thinking technology consultancy is seeking a Java Software Developer for a 12-month fixed-term remote contract, requiring experience within the UK public sector. The role involves developing features for an outbound notification platform and upgrading existing applications. Essential skills include str ...

Software Engineering Lead Java AI FinTech

Software Engineering Lead Java AI - FinTech This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Software Engineering Lead (Java AI) London / WFH to £140k Are you a technical leader w ...

Java Software Developer (Contract inside IR35)

Java Software Developer (Contract inside IR35)Location: Flexible / HybridJob Type: Full-timeContract 3-6 Months (contact to hire options)Cooper Lomaz are recruiting for an experienced Software Developer III to join a growing, forward-thinking organisation delivering innovative customer an ...

Senior Software Developer Java Remote First

Senior Java EngineerModern Stack | TDD & CI/CD | Complex SystemsRemote First (office visit once a month) - you must live within 1hr 30 of South Manchester£60,000 - £70,000 + Bonus + Excellent Benefits**my client is not able to provide sponsorshipWe're working with a lo ...

Software Engineering Lead/Tech Optimization

Software Engineering Lead/Tech Optimization Do you have a passion for upskilling and training people? Are you collaborative? About the Business: LexisNexis® Risk Solutions provides customers with solutions and decision tools that combine public and industry‑specific cont ...

Senior Software Architect & Tech Lead

A high-growth agile unit within the global STARLIMS ecosystem. STARLIMS provides leading Laboratory Information Management System (LIMS) solutions that have served customers around the world for over 30 years. Our solution suite helps labs: Improve the reliability of sampling ...

Senior Tech Lead & Software Architect

A technology firm in Witney is seeking a Software Engineer to lead the full lifecycle of product development. Responsibilities include guiding technical activities, managing a team, and ensuring best practices in software development. Candidates should have 7+ years of experience, significant knowledge of public ...

Senior Full Stack Engineer – Cloud & Incident Response Lead

A technology firm in Leeds is looking for a Senior Full Stack Engineer to support and enhance a diverse range of applications. You will handle business-as-usual operations and contribute to complex incident management. The ideal candidate should have strong knowledge in Java, Python, NodeJS, or C#, and experienc ...

Principal Full Stack Engineer & Tech Leader (Cloud)

A leading consultancy firm in the UK is seeking an experienced Principal Full Stack Engineer to lead L2/L3 support teams. The ideal candidate will have expertise in Java, Python, Node.js, or C#, alongside substantial cloud architecture experience (AWS or Azure). This role emphasizes technical leadership, mentori ...

Principal Full Stack Engineer & Tech Leader (Cloud)

A leading consultancy firm in the UK is seeking an experienced Principal Full Stack Engineer to lead L2/L3 support teams. The ideal candidate will have expertise in Java, Python, Node.js, or C#, alongside substantial cloud architecture experience (AWS or Azure). This role emphasizes technical leadership, mentori ...

Senior Full Stack Engineer – Cloud & Incident Response Lead

A technology firm in Leeds is looking for a Senior Full Stack Engineer to support and enhance a diverse range of applications. You will handle business-as-usual operations and contribute to complex incident management. The ideal candidate should have strong knowledge in Java, Python, NodeJS, or C#, and experienc ...

Head of Software Engineering

Get AI-powered advice on this job and more exclusive features. Associate Director @ Opus Recruitment Solutions | Shaping the Future of Tech firms (JVM - Java, Scala & Kotlin) Head of Software Engineering | £180k – Java, Machine Learning and Data Driven I am working with an innovative te ...

Embedded DSP SW Engineer Software Defined Radio Datalink

Our client, a distinguished organisation in the Defence & Security sector, is currently seeking a skilled Embedded DSP SW Engineer to contribute to their Software Defined Radio Datalink projects. This contract position based in Stevenage offers an exciting opportunity to make a significant impact in a cut ...

Embedded DSP SW Engineer Software Defined Radio Datalink

Our client, a distinguished organisation in the Defence & Security sector, is currently seeking a skilled Embedded DSP SW Engineer to contribute to their Software Defined Radio Datalink projects. This contract position based in Stevenage offers an exciting opportunity to make a significant impact in a cut ...

Principle Site Reliability Engineer (IT) in Wokingham LA International Computer Consultants Ltd

Principle Site Reliability Engineer (IT)Wokingham, United KingdomPosted 7 months agoTech StackGCPGoAzureReliability Amazon AWSJavaPythonResponsibilities ...

Java Developer eSC or eDV Cleared

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

Lead DevOps Engineer

Requirements Demonstrable AWS and Kubernetes (EKS) expertise Hands‑on experience with Terraform, GitLab CI and Bash/Python Orchestration and monitoring tools – Istio, Datadog, Grafana, Prometheus, ELK 6+ years in DevOps or Platform Engineering roles in a lead r ...

Lead DevOps Engineer

Requirements Demonstrable AWS and Kubernetes (EKS) expertise Hands‑on experience with Terraform, GitLab CI and Bash/Python Orchestration and monitoring tools – Istio, Datadog, Grafana, Prometheus, ELK 6+ years in DevOps or Platform Engineering roles in a lead r ...

Senior Java Engineer – AI Driven Data Platform

Deepstreamtech is seeking a Senior Java Engineer in Greater London to lead the development of an Index platform for the FTSE-Russell Index Business. Ideal candidates will have over 10 years of backend software engineering experience, including expertise in Java and Python, and will collaborate with teams globall ...

Senior Software Developer

Senior Software Engineer - £75,000 (DoE) Title: Senior Software Engineer (C++) Client: Graphics Tech Location: Cambridge Salary: Up to £75,000 (DoE) This is an opportunity for a Senior Software Engineer to join a small team leading a niche ...

Lead Software Engineer

Principal Software Engineer - TypeScript, JavaScript, Python, C++, Linux, IoT, K8 Southampton (Onsite) £75,000 + generous pension & benefits Are you an experienced Software Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportu ...

Lead Software Engineer

Principal Software Engineer - TypeScript, JavaScript, Python, C++, Linux, IoT, K8 Southampton (Onsite) £75,000 + generous pension & benefits Are you an experienced Software Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportu ...

Automation Engineer

Senior Automation EngineerLocation: Outskirts of Edinburgh (flexible work pattern and compressed week)Contract: 12 Month FTCHours: 37 hours per weekOverviewWe are working with a leading advanced manufacturing and defence organisation seeking a Senior Automation Engineer to deliver innovat ...

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