Remote Java Engineer Jobs in the City of London

1 to 25 of 37 Remote Java Engineer Jobs in the City of London

Java Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered … is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for this Core Java Engineer position if you: Have built … scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a Core Java More ❯
Posted:

Backend Software Engineer Java Spring Boot

City of London, London, United Kingdom
Hybrid / WFH Options
Client Server
Backend Software Engineer/Developer (Spring Boot SQL API) London to £80k Well established trading brokerage is seeking a Backend Software Engineer with strong Java experience, as they expand into UK markets. As a Backend Software Engineer, you'll join a small technology team building Greenfield … development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on backend Java development and API implementation within an AWS environment. Location/WFH: You'll join a team of finance entrepreneurs and technologists in City based … offices with smart dress code on a fulltime basis. About you: You are an experienced Backend Software Engineer/Java Developer with a strong knowledge of best practice and the full software development lifecycle You have strong Spring Boot experience You have a good knowledge of SQL/ More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Java Software Engineer - Cryptocurrency

City of London, London, United Kingdom
Hybrid / WFH Options
Client Server
Java Software Engineer/Developer WFH to £100k Are you a skilled Java Software Engineer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Software Engineer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD … WFH: You can work from home from most of the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems More ❯
Employment Type: Permanent, Work From Home
Posted:

Java Software Engineer

City of London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Java Software Engineer, London (City of London) Client: Switch Tech Talent Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 10.06.2025 Expiry Date: 25.07.2025 Job Description: Role: Java Software Engineer/Java Developer Location: Central London (EC2M) - hybrid 2 days a week onsite Key Skills: Core Java/SE, XML, JSON, Junit, APIs, complex/high-traffic systems A leading global B2B SaaS technology company is seeking Java Developers at all levels (junior … volume XML integrations, time-sensitive bug fixes, and contributing to innovative new features and products. Key Responsibilities: Develop and maintain robust backend systems in Java (Java 17). Work on complex system integrations with third-party suppliers and distributors. Handle XML feeds, web scraping, and high-frequency search More ❯
Posted:

Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

City of London, London, United Kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯
Posted:

Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯
Posted:

Java Software Engineer

City of London, Greater London, UK
Hybrid / WFH Options
Switch Tech Talent
Role: Java Software Engineer/Java Developer Location: Central London (EC2M) - hybrid 2 days a week onsite Salary: £40,000-£80,000 Key Skills: Core Java/SE, XML, JSON, Junit, APIs, complex/high-traffic systems A leading global B2B SaaS technology company is seeking … Java Developers at all levels (junior, mid-senior) to join its London-based team. The company operates a large-scale SaaS platform that supports hundreds of millions of daily transactions, supplying content to major travel agencies, meta search engines, and ecommerce platforms. You will join a dynamic development team … volume XML integrations, time-sensitive bug fixes, and contributing to innovative new features and products. Key Responsibilities: Develop and maintain robust backend systems in Java (Java 17). Work on complex system integrations with third-party suppliers and distributors. Handle XML feeds, web scraping, and high-frequency search More ❯
Posted:

Java Software Engineer

City of London, England, United Kingdom
Hybrid / WFH Options
Switch Tech Talent
your recruiter to learn more. Base pay range Direct message the job poster from Switch Tech Talent Principal Consultant at Switch Tech Talent Role: Java Software Engineer/Java Developer Location: Central London (EC2M) - hybrid 2 days a week onsite A leading global B2B SaaS technology company … is seeking Java Developers at all levels (junior, mid-senior) to join its London-based team. The company operates a large-scale SaaS platform that supports hundreds of millions of daily transactions, supplying content to major travel agencies, meta search engines, and ecommerce platforms. You will join a dynamic … volume XML integrations, time-sensitive bug fixes, and contributing to innovative new features and products. Key Responsibilities: Develop and maintain robust backend systems in Java (Java 17). Work on complex system integrations with third-party suppliers and distributors. Handle XML feeds, web scraping, and high-frequency search More ❯
Posted:

Java Software Engineer (City Of London)

City of London, Greater London, UK
Hybrid / WFH Options
Switch Tech Talent
Role: Java Software Engineer/Java Developer Location: Central London (EC2M) - hybrid 2 days a week onsite Salary: £40,000-£80,000 Key Skills: Core Java/SE, XML, JSON, Junit, APIs, complex/high-traffic systems A leading global B2B SaaS technology company is seeking … Java Developers at all levels (junior, mid-senior) to join its London-based team. The company operates a large-scale SaaS platform that supports hundreds of millions of daily transactions, supplying content to major travel agencies, meta search engines, and ecommerce platforms. You will join a dynamic development team … volume XML integrations, time-sensitive bug fixes, and contributing to innovative new features and products. Key Responsibilities: Develop and maintain robust backend systems in Java (Java 17). Work on complex system integrations with third-party suppliers and distributors. Handle XML feeds, web scraping, and high-frequency search More ❯
Employment Type: Part-time
Posted:

Solution Engineer - Java Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Technologies Recruitment
Job Title: Solution Engineer - Java Developer Location: London (Hybrid) Type: Contract We're looking for a Solution Engineer with strong Java development expertise to drive innovative, scalable technical solutions across a dynamic ecosystem. In this role, you'll collaborate with cross-functional teams and external partners … product roadmaps Requirements: BS/MS in Computer Science or equivalent work experience 5+ years in web, software, or mobile app development Proficiency in Java and at least one of: JavaScript, .NET, PHP, Node.js, Python, Ruby on Rails Experience with REST and GraphQL APIs and web service consumption Knowledge More ❯
Employment Type: Contract
Rate: £300 - £330/day
Posted:

Java Developer - Reporting Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Computappoint
Regulatory Reporting Engineer - Java Salary: Up to £130,000 + Bonus + Benefits Role Type: Permanent Position Office Location: Central London Hybrid Model: 3 days per week in office, 2 days remote About the Role: We’re looking for a Lead Reporting Engineer with a strong Java … up a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , Spring Boot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … and security teams to deliver robust, enterprise-grade solutions. Key Responsibilities Lead the design and development of reporting applications with a strong focus on Java (C#/.NET experience also valuable). Act as the technical lead for multiple Agile Scrum pods (approx. 5 people per team), providing functional More ❯
Posted:

Java Developer - Reporting Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Computappoint
Regulatory Reporting Engineer - Java Salary: Up to £130,000 + Bonus + Benefits Role Type: Permanent Position Office Location: Central London Hybrid Model: 3 days per week in office, 2 days remote About the Role: We’re looking for a Lead Reporting Engineer with a strong Java … up a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , Spring Boot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … and security teams to deliver robust, enterprise-grade solutions. Key Responsibilities Lead the design and development of reporting applications with a strong focus on Java (C#/.NET experience also valuable). Act as the technical lead for multiple Agile Scrum pods (approx. 5 people per team), providing functional More ❯
Posted:

Java Developer - Reporting Engineer (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Computappoint
Regulatory Reporting Engineer - Java Salary: Up to £130,000 + Bonus + Benefits Role Type: Permanent Position Office Location: Central London Hybrid Model: 3 days per week in office, 2 days remote About the Role: We’re looking for a Lead Reporting Engineer with a strong Java … up a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , Spring Boot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … and security teams to deliver robust, enterprise-grade solutions. Key Responsibilities Lead the design and development of reporting applications with a strong focus on Java (C#/.NET experience also valuable). Act as the technical lead for multiple Agile Scrum pods (approx. 5 people per team), providing functional More ❯
Employment Type: Part-time
Posted:

Principal Engineer (Java/Kotlin)

City of London, London, United Kingdom
Hybrid / WFH Options
Xcede
Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯
Posted:

Principal Engineer (Java/Kotlin)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Xcede
Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯
Posted:

Principal Engineer (Java/Kotlin) (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Xcede
Role: Principal Engineer Stack: Java, Kotlin, AWS Location: London, Hybrid (2-4x Month) Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯
Employment Type: Part-time
Posted:

Senior Java Engineer (for DevSecOps team)

City of London, London, United Kingdom
Hybrid / WFH Options
RE Partners
London, Canary Wharf (Hybrid) Engagement: Long-term engagement within one of the world’s most prominent banking institutions This is more than just a Java development job — it’s an opportunity to work at the core of a global financial powerhouse, supporting a large-scale transformation of how secure … London’s iconic Canary Wharf, with a hybrid model that supports flexibility and work-life balance. If you're passionate about writing clean, modern Java code and want to see your work used at a global scale, this is the kind of long-term project that builds real career … momentum. What You’ll Do 🔹 Develop and maintain internal Java-based tools and microservices that improve how developers build secure applications 🔹 Contribute to enterprise-wide initiatives around software composition analysis and supply chain transparency 🔹 Work closely with platform engineers, security experts, and software developers across multiple regions 🔹 Help standardize More ❯
Posted:

Senior Java Engineer (for DevSecOps team)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
RE Partners
London, Canary Wharf (Hybrid) Engagement: Long-term engagement within one of the world’s most prominent banking institutions This is more than just a Java development job — it’s an opportunity to work at the core of a global financial powerhouse, supporting a large-scale transformation of how secure … London’s iconic Canary Wharf, with a hybrid model that supports flexibility and work-life balance. If you're passionate about writing clean, modern Java code and want to see your work used at a global scale, this is the kind of long-term project that builds real career … momentum. What You’ll Do 🔹 Develop and maintain internal Java-based tools and microservices that improve how developers build secure applications 🔹 Contribute to enterprise-wide initiatives around software composition analysis and supply chain transparency 🔹 Work closely with platform engineers, security experts, and software developers across multiple regions 🔹 Help standardize More ❯
Posted:

Mid Java Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
Mid Core Java Developer – London - 70k 💰 - Hybrid (London) 🏡 Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Mid-Level Java Developer to join their apps team. This opportunity will allow you to join a company that is committed to … key role in the trading team.🔒 Work primarily within GCP, ensuring that the architecture is optimized for multi-cloud compatibility.⚙️ Key Requirements: An experienced engineer with 3-5 years of experience⭐ Strong knowledge of Core Java. 🌐 Previous experience working in TDD and CI/CD environment and pair-programming. … A generous annual bonus , historically reaching up to 30%. ⭐ Hybrid working pattern, with two days remote a week.🏡 If you’re a Core Java Developer looking to take your career to the next level, apply today to be considered for this excellent opportunity More ❯
Posted:

Mid Java Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Understanding Recruitment
Mid Core Java Developer – London - 70k 💰 - Hybrid (London) 🏡 Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Mid-Level Java Developer to join their apps team. This opportunity will allow you to join a company that is committed to … key role in the trading team.🔒 Work primarily within GCP, ensuring that the architecture is optimized for multi-cloud compatibility.⚙️ Key Requirements: An experienced engineer with 3-5 years of experience⭐ Strong knowledge of Core Java. 🌐 Previous experience working in TDD and CI/CD environment and pair-programming. … A generous annual bonus , historically reaching up to 30%. ⭐ Hybrid working pattern, with two days remote a week.🏡 If you’re a Core Java Developer looking to take your career to the next level, apply today to be considered for this excellent opportunity More ❯
Posted:

Mid Java Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
Mid-Level Core Java Developer – London – Up to £95k 💰 | Hybrid (London) 🏡 Our client, a trusted name in asset management and FX trading, is seeking a Mid-Level Java Developer to join their applications team. You'll help shape a cutting-edge trading platform while contributing to a company … operations and optimize architecture in GCP for multi-cloud use ☁️ Contribute to technical documentation and system understanding 📄 Key Requirements: 3–5 years of Core Java experience 🌐 Strong grasp of Data Structures, Algorithms, and Multithreading 📊 Background in TDD, CI/CD, and pair programming 🕹️ What’s on Offer: Up to … 95k base salary 💰 Generous annual bonus (up to 50%) ⭐ Hybrid work model – 2 days remote 🏡 If you're a Core Java Developer ready for your next challenge, apply now to be part of a forward-thinking team More ❯
Posted:

Mid Java Engineer (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Understanding Recruitment
Mid-Level Core Java Developer – London – Up to £95k | Hybrid (London) Our client, a trusted name in asset management and FX trading, is seeking a Mid-Level Java Developer to join their applications team. You'll help shape a cutting-edge trading platform while contributing to a company … operations and optimize architecture in GCP for multi-cloud use ☁️ Contribute to technical documentation and system understanding Key Requirements: 3–5 years of Core Java experience Strong grasp of Data Structures, Algorithms, and Multithreading Background in TDD, CI/CD, and pair programming ️ What’s on Offer: Up to … 95k base salary Generous annual bonus (up to 50%) ⭐ Hybrid work model – 2 days remote If you're a Core Java Developer ready for your next challenge, apply now to be part of a forward-thinking team More ❯
Employment Type: Part-time
Posted:

Senior Java Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
CipherTek Recruitment
Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months + Overview: We are seeking an … experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business . This is an exciting opportunity to contribute to the development and integration of advanced trading technologies in … making capabilities. Integrate with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge More ❯
Posted:

Senior Java Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
CipherTek Recruitment
Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months + Overview: We are seeking an … experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business . This is an exciting opportunity to contribute to the development and integration of advanced trading technologies in … making capabilities. Integrate with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge More ❯
Posted:

Mid Java Engineer (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Understanding Recruitment
Mid Core Java Developer – London - 70k - Hybrid (London) Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Mid-Level Java Developer to join their apps team. This opportunity will allow you to join a company that is committed to … key role in the trading team. Work primarily within GCP, ensuring that the architecture is optimized for multi-cloud compatibility.⚙️ Key Requirements: An experienced engineer with 3-5 years of experience⭐ Strong knowledge of Core Java. Previous experience working in TDD and CI/CD environment and pair-programming.️ … A generous annual bonus , historically reaching up to 30%. ⭐ Hybrid working pattern, with two days remote a week. If you’re a Core Java Developer looking to take your career to the next level, apply today to be considered for this excellent opportunity More ❯
Employment Type: Part-time
Posted:
Java Engineer
the City of London
10th Percentile
£65,000
25th Percentile
£74,688
Median
£88,750
75th Percentile
£155,000
90th Percentile
£161,250