Senior Devops Developer Java Python Jobs in London, UK

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Optical Engineer with Python Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Electrical Engineer & Python Expert Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation isproject-based, not p ...

Remote Python/Django Engineer — APIs & Data Pipelines

Digis Corp is seeking an experienced Python/Django engineer to join their remote engineering team. The role will involve collaborating closely with product managers and other engineers to develop APIs and data pipelines for property operations software primarily serving the local government and social housing se ...

Lead Python Engineer – Cloud Native Systems & Architecture

Velocity Tech is seeking a Lead Software Engineer based in Greater London to design and deliver scalable cloud-native systems. This hands-on leadership role involves shaping architecture, leading engineering efforts, and mentoring a talented team. The ideal candidate will have over 7 years of experience as a Sen ...

Data Scientist (Python & SQL) Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

Lead Python Engineer – Social Media Scale Up

Job Description The Role As a senior / Lead python engineer you will join this business at the early stages of a greenfield platform build. You will work closely with the director of engineering and product to deliver a highly scalable backend of a next generation social med ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (100% Backend, Python & AWS)London (On-site, London Farringdon)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and applicati ...

Electrical Engineer & Python Expert Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation isproject-based, not p ...

Python Quant Researcher – Trading Pod – Hedge Fund

Salary: up to £160k base + £150-200k bonusJob Description: One of the world’s most prestigious hedge funds is looking for a Python Quant Researcher to join one of their Fixed Income / Rates trading pods.This is a brand-new high-impact role, joining a small PM tea ...

Data Engineer – Spark Python Scala – Financial Services

La Fosse is currently recruiting a contract Data Engineer (12 months) on behalf of a global financial services company.They require an experienced Data Engineer with extensive experience in building and maintaining Data Lakehouses in Azure. The ideal candidate will have a strong background in Python pr ...

Civil Engineer & Python Expert Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Physics Expert with Python Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Distributed Systems Testing Software Engineer, Python / Go

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 enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the wor ...

Optical Engineer with Python Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Research Physicist with Python Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Lead Python Engineer – Social Media Scale Up

Job Description The Role As a senior / Lead python engineer you will join this business at the early stages of a greenfield platform build. You will work closely with the director of engineering and product to deliver a highly scalable backend of a next generation social med ...

Mechanical Engineer & Python Expert Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation isproject-based, not p ...

Data Scientist (Python & SQL) Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (100% Backend, Python & AWS)London (On-site, London Farringdon)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and applicati ...

Vice President, Fullstack Software Engineer (Java/React)

**About this role** **About this role** Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, but want to solve some of the world’s most complex problems? Do you want to work with, and learn from, hands-on leaders ...

Java/AWS Software Engineer – Defence & Cyber (London)

A technology firm in the aerospace sector is seeking Software Engineers (Java/AWS) at all levels to join their London team. This role involves software development focused on secure, cloud-based solutions. Candidates will need strong Java skills and experience with AWS. The position offers flexible working arran ...

Java Backend Engineer Secure Mission‑Driven Systems

A leading technology company in Greater London is looking for a Java Engineer to join their Security and Intelligence consulting team. The role focuses on designing, developing, and maintaining secure Java-based backend systems and APIs. The ideal candidate will have strong Java development skills, experience wi ...

Solutions Architect: Java, Event Driven Transformation Lead

Bestman Solutions in Greater London is seeking a Solutions Architect to lead the transformation of legacy financial systems into a modern, scalable architecture. This role focuses on end-to-end design and hands-on Java development, requiring a proven background in solution architecture and strong object-oriented ...

Java Backend Engineer II — Scalable API Innovation

Tesco is seeking a Software Development Engineer II to join its Lists and Substitutions Team in Greater London. In this role, you will develop high-performance backend APIs that enhance the shopping experience for millions of customers. Responsibilities include coding in Java, participating in planning sessions, ...

Engineering Manager, Java/Kotlin Scale & Product Driven

Pulse Recruit is looking for an Engineering Manager to lead a dynamic team in London. The role entails guiding technical decisions and ensuring excellent delivery in a modern digital environment. The ideal candidate has substantial experience in Java or Kotlin, strong background in team development, and stakehol ...

Low Latency Quant Trading Engineer (Java) London

Deutsche Bank is seeking a Quantitative Trading Engineer in Greater London, focused on developing low-latency trading applications. The role requires excellent Java skills, experience in high performance systems, and collaboration with teams to improve software processes. Benefits include a competitive salary, h ...

Backend Engineer (Java) Scale Global Joybuy Platform

JD.COM is seeking an experienced Java software engineer to enhance our retail service Joybuy in European markets. The role involves developing software for marketing, ecosystem, and supply chain management, ensuring system performance and scalability. Ideal candidates should hold a relevant bachelor's degree, ha ...

Java Software Engineer – Desktop Apps & Tooling (Hybrid)

IC Resources is seeking a Java Software Engineer for an exciting opportunity in London. The engineer will design and evolve cross-platform applications, collaborating with UX specialists and hardware teams to create effective internal tools for advanced hardware configuration. The role adopts a hybrid working mo ...

Java Software Engineer — Modernize Middle Office Tech

Systematica Investments is seeking a skilled software engineer for its middle office technology team in Greater London. You will support and enhance the existing technology stack, primarily using Java and SQL Server. The role includes collaborating with business teams to refine processes and deliver tech solutio ...

Lead Software Engineer Java JPM Personal Investing

Job Responsibilities Work with the Product team to understand user's needs and follow an Agile SDLC to develop and deliver product features. Our stack is Java/Springboot with a bit of Kotlin, DynamoDB, Aurora/MySQL and AWS. Participate with the rest of the team in the process of d ...

Java UI Automation Engineer (Selenium, CI/CD)

TALENTWORKZ PTE. LTD. in Greater London is seeking a skilled QA Automation Engineer to design and maintain UI automation scripts using Selenium WebDriver with Java. The ideal candidate will have 4-8 years of programming experience and hands-on expertise in building automation frameworks. Responsibilities include ...

FX Risk Java Tech Lead — Hybrid/Remote

Citi in Greater London is seeking an experienced FX Risk Java Tech Lead to drive technical excellence in developing high-performance risk calculation systems. Responsibilities include leading technical teams, guiding system architecture, and ensuring delivery of mission-critical infrastructure. The ideal candida ...

Remote Full Stack Java Engineer | Spring Microservices

A leading software security company is seeking a Java Software Engineer to join their Agile Product team. The role focuses on developing customer-facing features in a collaborative environment, using Java8/11, Spring, and modern cloud platforms. Successful candidates will benefit from flexible working arrangemen ...

Staff Software Engineer Java React (Digital & Payments)

hackajob is collaborating with Sainsbury's DTD to connect them with exceptional professionals for this role. About The Role As a Staff Engineer, you'll be a hands‑on technical leader who drives engineering excellence across multiple teams. You’ll work on complex, high‑scale systems, desig ...

Lead Software Engineer Java JPM Personal Investing

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan heritage brings. </p ...

Solutions Architect – Real Time Trading Platform (Java)

Thomson Keene is seeking a Solutions Architect for their Synthetics Trading Platform in London. This hybrid role involves owning the architecture behind complex derivatives trading, defining an event-driven microservices architecture, and designing low-latency systems for real-time trading workflows. Candidates ...

AVP Java/Kotlin Platform Engineer – Prime Brokerage

Citigroup Inc. is seeking a talented engineer to join their Prime Brokerage Technology team. This role involves ownership of development components within the Core Prime Brokerage platform, with a focus on Java and Kotlin. You will collaborate on agile processes and contribute to ongoing software enhancements. C ...

Lead Backend Engineer Remote, Java/Kotlin, Equity

We are a start-up between pre-seed and seed investment rounds disrupting the construction industry. We started writing code in Jan 2022. Our crew is less than 10 members with several ex-Revolut employees among founders. One of the founders has built up a ~$100,000,000 revenue construction business and ...

Backend Engineer (Java/Kotlin) – Scale Global Payments

Wise is seeking a Backend Engineer to join their Recurring Payin team. This full-time role focuses on developing backend services and APIs that enhance their financial products. Candidates should have strong communication skills, experience in web application development, and knowledge of Java and Spring Boot. T ...

Backend Engineer (Java) – Fintech, Microservices, Stock Options

ARQ, a fast-growing fintech in Greater London, is hiring a Backend Engineer to design, develop, and maintain scalable backend systems. Candidates should be fluent in Java and possess a Bachelor's Degree in a relevant field. Responsibilities include developing REST APIs and microservices, with a focus on clean co ...

Backend Engineer III Java, Spark, Databricks API

RELX in Greater London is searching for a Software Engineer III with around 3 years of experience in backend development, especially in Java and RESTful APIs. This role involves implementing Scala/Spark pipelines for metric computation and contributing to Java-based backend services. With a focus on working effe ...

Java Software Engineer Cloud, AI & Research Impact

Elsevier in Greater London is seeking a Software Engineer to enhance the quality of scientific research. As part of an Agile team, you will design and develop cloud-hosted applications while collaborating with stakeholders. The ideal candidate has proficiency in Java, JavaScript or TypeScript, and is familiar wi ...

Java Lead Kubernetes Cloud Native Trading Platform

JPMorgan Chase & Co. is seeking a Software Engineer in London to enhance and migrate the trade processing platform to a cloud-native architecture. As part of an Agile team in Investment Banking, you'll execute software solutions, develop high-quality production code, and be involved in critical technology soluti ...

Java Backend Engineer Spring Boot | Cloud & Microservices

NextWave Consulting Ltd is seeking a Software Engineer in London, UK to build and enhance backend services for a modern Data Fabric platform. The role requires 2-5 years of experience with Java and Spring Boot, and will involve working collaboratively in an agile team. You will be responsible for the design, dev ...

Engineering Lead: Java/.NET | Cloud & Architecture (Hybrid)

Gazelle Global is looking for an experienced Engineering Lead for a long-term contract in London or Bristol. This hybrid role focuses on leading engineering teams in cloud and enterprise delivery while being technically hands-on when necessary. Candidates should have strong experience with modern software engine ...

Tech Lead: Java & Cloud, Hybrid & High Impact

A global transactional solutions leader is looking for a Senior Software Engineer (Tech Lead) in London. The role involves leading a cross-functional agile team, guiding software development, and ensuring robust solutions. Ideal candidates have solid Java and Spring Boot experience, familiarity with cloud platfo ...

Hybrid Full‑Stack Java Engineer — HealthTech Scheduling

A leading health technology company is seeking a Full Stack Java Engineer to work on a product that drives efficiencies for the NHS. In this impactful role, you'll re-architect a shift rota application, enhancing it using Java and Angular. The position is based in London with flexibility to work from home. The i ...

Java Team Lead: Front Office Risk & Pricing

A leading technology firm in the United Kingdom is seeking a Full Stack Developer to join their high-performance team. You will design and build essential applications supporting global trading activities. The ideal candidate has at least 3 years of leadership experience in the finance sector and a solid underst ...

Strategic Enterprise Architect: Java J2EE & Cloud (BFSI)

A leading technology firm in Greater London is seeking an experienced Enterprise Architect (Java J2EE) for a contract role in the BFSI domain. Responsibilities include driving architectural discussions, leading application modernization, and designing cloud solutions on Microsoft Azure. Ideal candidates will hav ...

VP Electronic FX Strategist (Java) Hybrid London

A global financial services company is seeking an Electronic FX Strategist (Java) - Vice President to develop FX market making solutions in a hybrid role. Candidates should have strong expertise in advanced Java and proven experience in financial markets. The position involves collaboration with macro trading an ...

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    Senior Devops Developer Java Python Jobs in London Job Search Guide, Trends and Insights