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Senior Algo Trading Engineer — Hybrid & AI‑Driven SDLC

Citi is seeking a Senior Software Engineer for its Equities Technology organization in Greater London. This role focuses on developing next-generation algorithmic trading and Smart Order Routing platforms, requiring expertise in Low Latency Java, C++, or Rust. Candidates should have prior experience in Algorithm ...

VP Senior Algo Trading Engineer Hybrid, Low Latency

Citi is seeking a Software Engineer in Greater London to design and develop low-latency electronic execution systems within the Equities Technology organization. This role emphasizes collaboration with traders and developers to deliver innovative solutions and require expertise in Java, C++, or Rust. The positio ...

Senior Backend Engineer for Real Time Trading Platforms

A leading financial technology firm in London is seeking a Senior Software Engineer to build high-performance trading platforms. The role requires strong expertise in C++ and ideally Java, along with experience in distributed systems. You will collaborate with various teams to drive innovations in trading workfl ...

QA & Test Engineer

QA & Test Engineer – Autonomous Systems / Embedded Software – Hybrid (Oxford/London) We’re looking for a QA & Test Engineer to support the development of safety-critical software for advanced AI and autonomous systems applications. This role focuses on verification, ...

QA & Test Engineer

QA & Test Engineer – Autonomous Systems / Embedded Software – Hybrid (Oxford/London) We’re looking for a QA & Test Engineer to support the development of safety-critical software for advanced AI and autonomous systems applications. This role focuses on verification, ...

Embedded Software Engineer

Embedded Software Engineer Carbon60 are working with their established defence and aerospace client who is seeking an Embedded Software Engineer to support increased workload within an advanced engineering team delivering innovative, real‑time embedded sol ...

Embedded Software Engineer

Embedded Software Engineer Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below.Carbon60 are working with their established defence and aerospace client who is seeking an Embedded Software Eng ...

Senior Data Platform Engineer (Trading Systems)

A leading Investment Manager in the UK is seeking an experienced Software Engineer for an initial 6-month role that could lead to permanent employment. The position involves working within a core engineering team to develop and enhance data and infrastructure platforms supporting systematic trading strategies. T ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

ML Projects Engineer: AI Driven Banking Systems

A leading digital bank in the UK is seeking a skilled software engineer to join their ML Projects team. This role involves designing and implementing machine learning features that enhance their banking platform. Candidates should thrive in a fast-paced environment and are encouraged to take ownership of their w ...

Impactful SDE I: Build Scalable Cloud Apps

Amazon is hiring a Software Development Engineer (SDE-I) in Cambridge, UK, to innovate and build solutions impacting millions of customers. The candidate should be pursuing or have completed a degree in Computer Science or related fields, expected to graduate between October 2025 - September 2026. Experience in ...

Senior Automation Test Engineer: CI/CD & API Quality

IBM is seeking a Senior Automation Test Engineer in Hursley, England. In this role, you will deliver reliable automated testing solutions, design test scripts, and collaborate with developers and DevOps teams. You will work with modern automation tools like Java, Python, and Selenium to enhance product quality. ...

AI Engineer — Copilot Studio & Enterprise AI

SKY seeks a talented AI Engineer to join the Group AI Engineering team in Greater London. This role involves developing, designing, and implementing scalable AI solutions that impact business outcomes. Candidates should have strong software development experience in programming languages like Python and Java, al ...

Cloud Native Software Engineer, Global Banking Platform

JPMorgan Chase & Co. is seeking a Software Engineer III in Greater London to enhance their Global Banking Platform. The role involves designing, implementing, and developing scalable microservices, utilizing programming languages like Go, Python, or Java. Candidates should have practical experience in system des ...

VP Lead Software Engineer Margin Technology

Citi is seeking a Lead Software Engineer to join their global technology team in Greater London. In this role, you'll work with passionate engineers to build robust technical solutions, shaping the future of financial technology with minimal manual interventions. Key skills include experience in Java, Python, an ...

Platform Engineer, DevEx & Internal Tooling

Selby Jennings is seeking a Platform Infrastructure Engineer - Developer Experience (DevEx) in London. In this role, you will work on enhancing the developer experience by building and refining internal platforms. Responsibilities include designing internal developer platforms, improving CI/CD workflows, and col ...

Remote Software Engineer Flexible Hours & Cloud

hackajob in Bristol is seeking a Software Engineer to contribute to planning and delivery across a variety of technologies in an agile environment. Key responsibilities include writing code using test-driven development, working with databases and cloud platforms, and mentoring teammates. The ideal candidate is ...

Hybrid AI Engineer | Build Scalable ML & LLM Solutions

Halian is looking for an AI Engineer based in Reading, UK, to develop and deploy intelligent applications. The ideal candidate should have strong experience in software development focusing on AI/ML, with a degree in a related field, and proficiency in Python and Java. Key responsibilities include designing AI a ...

Senior Data Engineering Software Engineer

A leading financial technology company in Nottingham seeks a Senior Software Development Engineer to drive the evolution of its cloud-based data ecosystem. The role involves working with Java, Python, and React/Typescript to solve complex problems and improve customer experiences. Candidates should have experien ...

Gen AI Engineer: Frontline Client Deployments

A leading software firm in Greater London seeks a Forward Deployed AI Engineer to build and implement solutions using Generative AI technologies. You will engage directly with clients to deliver high-stakes projects and enhance the Gen AI strategy. The ideal candidate will possess a strong engineering background ...

Software Engineer – Cloud Native, GenAI & CI/CD (UK)

A leading global professional services company based in Manchester is seeking a Software Engineer to develop traditional and serverless applications. The role requires a few years of industry experience in Java, Typescript, Python, or Go, and familiarity with Cloud Native technologies on AWS. Candidates will col ...

Test Engineer Security & Cloud, Flexible Hours

A technology company in the UK seeks a Test Engineer responsible for ensuring the quality, reliability, and security of software platforms. The candidate will design manual and automated tests, maintain test frameworks, and contribute to risk assessments. Qualifications include programming skills in Java, Python ...

Senior Infra Engineer — Cloud‑Native Backend & CI/CD

A technology company in London seeks a Senior Software Engineer I for its Infrastructure Services team. The role involves designing and building core systems for backend services while ensuring scalability and reliability. Candidates should have strong programming skills in languages like Java, Go, or Python, an ...

DevOps Engineer: Cloud, CI/CD & Microservices

TP ICAP is seeking a DevOps Engineer to enhance software delivery by driving automation and optimizing deployment pipelines. This role aims to embed DevOps principles across teams, enhancing operational efficiency and reliability. The ideal candidate has a degree in a relevant field, solid experience in cloud pl ...

Lead Quality Engineer Test Automation & CI/CD Expert

Java Script Works is seeking a Lead Quality Engineer specializing in Test Automation based in Alderley Edge, United Kingdom. The role requires in-depth expertise in automation for web-based applications and strong programming skills in JavaScript, TypeScript, or Python. The successful candidate will jo ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

Senior Data Engineering Software Engineer

A leading financial technology company in Nottingham seeks a Senior Software Development Engineer to drive the evolution of its cloud-based data ecosystem. The role involves working with Java, Python, and React/Typescript to solve complex problems and improve customer experiences. Candidates should have experien ...

Senior Data Platform Engineer (Trading Systems)

A leading Investment Manager in the UK is seeking an experienced Software Engineer for an initial 6-month role that could lead to permanent employment. The position involves working within a core engineering team to develop and enhance data and infrastructure platforms supporting systematic trading strategies. T ...

VP Lead Software Engineer Margin Technology

Citi is seeking a Lead Software Engineer to join their global technology team in Greater London. In this role, you'll work with passionate engineers to build robust technical solutions, shaping the future of financial technology with minimal manual interventions. Key skills include experience in Java, Python, an ...

Senior Software Engineer Finance Trading Platform (London)

SoCode Recruitment is seeking a Contract Senior Software Engineer to join a private equity firm in London for up to 6 months. The successful candidate will develop and support P&L and accounting applications, manage data exchanges, and collaborate with financial teams. You'll need 8+ years of experience in Pytho ...

Software Engineer – Cloud Native, GenAI & CI/CD (UK)

A leading global professional services company based in Manchester is seeking a Software Engineer to develop traditional and serverless applications. The role requires a few years of industry experience in Java, Typescript, Python, or Go, and familiarity with Cloud Native technologies on AWS. Candidates will col ...

Cloud Native Software Engineer, Global Banking Platform

JPMorgan Chase & Co. is seeking a Software Engineer III in Greater London to enhance their Global Banking Platform. The role involves designing, implementing, and developing scalable microservices, utilizing programming languages like Go, Python, or Java. Candidates should have practical experience in system des ...

Senior Automation Test Engineer: CI/CD & API Quality

IBM is seeking a Senior Automation Test Engineer in Hursley, England. In this role, you will deliver reliable automated testing solutions, design test scripts, and collaborate with developers and DevOps teams. You will work with modern automation tools like Java, Python, and Selenium to enhance product quality. ...

Lead Bare Metal Embedded Software Engineer

Synergize Consulting is seeking a talented embedded software engineer to join their Southampton team. The role involves developing software solutions for real-time, safety-critical applications, focusing on innovative embedded C++ development. Candidates should be familiar with embedded interfaces such as CAN bu ...

Principal Linux/Android Platform Developer

We are working with a highly innovative engineering organisation operating at the forefront of secure communications technology. Their products deliver mission-critical connectivity solutions used globally across public safety, defence, transport, utilities and commercial sectors. They are now seeki ...

Engineering Manager: Cloud Native Defence Software Leader

A leading technology firm in the UK is seeking an Engineering Manager to lead software engineering teams for the Royal Navy's Digital Navy Architecture programme. The successful candidate will be pivotal in establishing engineering standards and mentoring teams while ensuring high-quality software delivery in a ...

Senior Project Software Engineering Lead (Defence, Hybrid)

Leonardo UK Ltd is seeking a Project Engineering Leader to manage software development within Modular Integrated Protection Systems in Wickford, England. The role requires strong leadership, agile development experience, and familiarity with real-time embedded software. You will ensure project delivery aligns wi ...

Junior Software Developer – Defence & Security (Hybrid, Bristol)

Reply is seeking a talented Junior Software Developer to join their Defence and Security team in Bristol. This role involves developing and maintaining applications that support national security. Candidates should have a Bachelor's degree in Computer Science or a similar field and some experience with SQL or si ...

Engineering Manager: Cloud Native Defence Software Leader

A leading technology firm in the UK is seeking an Engineering Manager to lead software engineering teams for the Royal Navy's Digital Navy Architecture programme. The successful candidate will be pivotal in establishing engineering standards and mentoring teams while ensuring high-quality software delivery in a ...

Senior Software Engineer

Build software that makes a difference — lap by lap.Atlassian Williams F1 Team is looking for a Senior Software Engineer to join our Software Development group. You'll be part of a team building bespoke, high-quality software that directly supports our Engineering and Operations fu ...

Senior Software Engineer

Build software that makes a difference — lap by lap. All candidates should make sure to read the following job description and information carefully before applying.Atlassian Williams F1 Team is looking for a Senior Software Engineer to join our Software Development group. You ...

Senior Software Engineer

Build software that makes a difference — lap by lap.Atlassian Williams F1 Team is looking for a Senior Software Engineer to join our Software Development group. You'll be part of a team building bespoke, high-quality software that directly supports our Engineering and Operations fu ...

Software Engineer – Middle/Back Office – Asset Manager (Contract)

Software Engineer – Middle/Back Office – Asset Manager (Contract) An asset manager is improving their risk, P&L, and reporting systems and are looking for an experienced software engineer to work across several projects aimed to enhance and extended middle and back-office systems. Y ...

Python Software Engineer Hybrid working Up to £275,000 Base (+ Bonus)

Python Software Engineer – Data & Research Platforms Location: London (Hybrid) Compensation: Up to £275,000 Base + Bonus Overview An elite prop trading firm is seeking an experienced Python Software Engineer to join a growing engineering team focuse ...

Python Software Engineer Hybrid working Up to £250,000 Base (+ Bonus)

Python Software Engineer – Data & Research Platforms Client: Elite Proprietary Trading Firm Compensation: Up to £250,000 Base + Bonus Location: London (Hybrid) Overview Am elite ...

Software Engineer II Python / Athena in London JPMorgan Chase & Co.

Preferred Qualifications, Capabilities, and Skills Prior experience in Python is helpful but not required.Experience with Javascript/React helpful but not required. About Us J.P. Morgan is a global leader in financial services, providing strategic advice and delivering quality ...

Python Software Engineer Hybrid working Up to £250,000 Base (+ Bonus)

Python Software Engineer – Data & Research Platforms Client: Elite Proprietary Trading Firm Compensation: Up to £250,000 Base + Bonus Location: London (Hybrid) Overview Am elite ...

Python and Kubernetes Software Engineer Data, Workflows, AI/ML & Analytics

Python and Kubernetes Software Engineer - Data, Workflows, AI/ML & Analytics Home based - Worldwide Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough ente ...

Senior Python Engineer / Cloud Native Software Developer (SC / DV Cleared)

Senior Python Engineer / Cloud-Native Software DeveloperAWS | Terraform | Serverless | CI/CD | SC / DV ClearedWe are supporting a secure government programme looking to hire an experienced Senior Python Engineer / Cloud-Native Software Developer to join a highly t ...

Senior Software Engineer

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At V ...

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