City of London, London, United Kingdom Hybrid/Remote Options
Owen Thomas | Pending B Corp™
Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work for small businesses. They have built a platform that massively reduces costs giving … able to scale. You will be working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Design, implement, and maintain backend services supporting a customer-facing platform … sharing. Stay current with modern development tools, technologies, and industry standards. Actively engage in team retrospectives and knowledge-sharing sessions to foster continuous improvement. Requirements for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Strong experience working as a Backend Engineer Experience working with either More ❯
City of London, London, United Kingdom Hybrid/Remote Options
techstack Recruitment
Typescript Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With millions of weekly … test, release, and iterate. Contribute to a product used by developers and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering More ❯
Typescript Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With millions of weekly … test, release, and iterate. Contribute to a product used by developers and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering More ❯
San Francisco, California, United States Hybrid/Remote Options
Publica
About the role At Publica, engineers have a unique opportunity to work on a platform that handles billions of requests per hour in one of the fastest growing areas in Ad Tech: Connected Television. Engineers at Publica work in an More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Fynity
Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help … secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD … Kanban/Scrum) 🧠 What You Bring We’re looking for engineers who are pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability More ❯
Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity to help … secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD … Kanban/Scrum) 🧠 What You Bring We’re looking for engineers who are pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability More ❯
Wokingham, Berkshire, South East, United Kingdom Hybrid/Remote Options
Halian Technology Limited
well-structured, high-performing teams to deliver on a clear, strategic roadmap over the coming years. What youll be working on: Mostly automation-focused development using a solid stack: Java, JavaScript, SQL , and AWS . Youll also be working with TDD , JUnit , and other testing tools as part of the workflow. The details: Hybrid working (23 days in the office … bonus Initial focus: 12 years dedicated to automation, with opportunities to move into other areas of the business as you grow This is ideal for someone with some commercial Java experience who wants to deepen their skills while contributing to meaningful, long-term projects. Apply now below More ❯
Manchester, Lancashire, United Kingdom Hybrid/Remote Options
Astro Studios, Inc
task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Cloud technologies: AWS What you can expect Apply object-oriented programming principles in Java to design and implement robust and scalable solutions. Utilise cloud technologies like AWS, and various data storage solutions. Embed your leadership skills to support team members and successful project implementation. … requirement below, feel free to still apply as we are often hiring for similar roles which your background might be better suited to. Minimum of 2 years' experience in Java software development Deep understanding of multi-threading concepts and performance optimisation. Proven ability to design, implement, and deliver complex software solutions. You thrive in problem-solving and analytical thinking You More ❯
Greater London, England, United Kingdom Hybrid/Remote Options
Hunter Bond
Java Developer 📍 Location: London (Hybrid) 💷 Compensation: Up to £170,000 + Bonus + Comprehensive Benefits 🔍 The Role Join a leading FinTech innovator as a Java Engineer and help build their next-generation, low-latency trading platform . This is a hands-on role in a high-performance, real-time environment where every millisecond matters. Collaborate with top-tier engineers and … industry experts to tackle complex, mission-critical challenges , delivering robust, scalable solutions using Core Java . 🔧 What You’ll Be Doing 🧩 Develop high-performance systems in Java for real-time trading applications 🔄 Optimize multithreading, concurrency, and throughput for maximum efficiency 🧼 Write clean, maintainable, and well-tested code 🤝 Work closely with engineers and stakeholders in a collaborative, agile environment ✅ What You … ll Bring 🎓 Degree in Computer Science, Software Engineering, Mathematics , or related STEM field 💻 Strong experience in Java development with a performance-first mindset ⚡ Solid understanding of multithreading, concurrency, and system optimization 🛠 Commitment to high-quality code and engineering best practices 🌟 Why This Role Stands Out 💻 Engineering-First Culture: Work with modern tools and open-source technologies 🚀 Fast-Paced Environment: Learn More ❯
Richmond, Virginia, United States Hybrid/Remote Options
US Main
We are looking ex capital one employee Title: Senior Full Stack Developer Location -Richmond (Hybrid) Type: Contract JD: Looking for Senior full Developer with expertise in Java, Golang, and AWS infrastructure. Java, AWS Cloud are both required and then must have either Python or Golang as 3rd skil The ideal candidate will be responsible for building new solutions and supporting More ❯
Job Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and enhancing high-performance, scalable More ❯
Manchester, Lancashire, England, United Kingdom Hybrid/Remote Options
Nextech
Job Title: Junior Application Software Engineer - Java + TypeScript + React Location: Manchester (Hybrid - 3 days in office) Salary: £35,000 - £42,000 per year About the Role: We're looking for a motivated Junior Application Software Engineer to join a collaborative software team in Manchester. This role is perfect for someone with a solid foundation in Java, TypeScript, and … React , looking to grow their career and gain exposure to full-stack development, cloud technologies, and agile delivery. Key Responsibilities: Develop and maintain web applications using Java, TypeScript, and React Assist in the design and implementation of software solutions in a collaborative team environment Write clean, efficient, and well-tested code Participate in code reviews, testing, and troubleshooting Collaborate with … senior engineers to learn and adopt best practices Contribute to continuous improvement of development processes Skills & Experience: Must Have: Basic experience with Java Experience with TypeScript Experience with React Understanding of web development fundamentals (HTML, CSS, JS) Eager to learn and collaborate in a team environment Nice to Have: Exposure to cloud technologies (AWS/Azure) Knowledge of microservices or More ❯
Manchester Area, United Kingdom Hybrid/Remote Options
Anson McCade
intelligence team who support across cutting-edge public-sector projects within the central government space. Currently, they’re in search of Senior Engineer’s with Full Stack experience across Java with JavaScript/React and have exposure to cloud-based environments with AWS. What you’ll need as a Full Stack Engineer: A minimum of 4 years development experience with … one or more of the following: Java and or Python Javascript – React Cloud Experience: AWS You’ll be familiar with agile ways of working What you’ll do as a Full Stack Engineer: Designing, developing, and testing software solutions to meet diverse requirements using Java, Python and Javascript/React. Leveraging a variety of technologies, with a focus on open More ❯
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
East London, London, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
Leeds, West Yorkshire, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
Central London / West End, London, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
Bury, Greater Manchester, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
Bolton, Greater Manchester, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
Leigh, Greater Manchester, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid/Remote Options
Orbis Group
will be responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experienced with K8s/Docker Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months (Ave tenure of contractor at this client is 17 months) Rate – Up to £700pd inside IR35 Senior More ❯