London, England, United Kingdom Hybrid / WFH Options
Client Server
FullStack Engineer/Developer (Java Angular SQL API) London/WFH to £90k Are you fullstack technologist? You could be progressing your career in a hands-on, impactful, Senior FullStackDeveloper role, working on a "tech for good" product … core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a FullStack Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and … TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as well as writing and optimising SQL database queries. You'll input into technical discussions and decision making, as a senior member of a small team where you'll be able to influence best practice More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
FullStack Engineer/Developer (Java Angular SQL API) London/WFH to £90k Are you fullstack technologist? You could be progressing your career in a hands-on, impactful, Senior FullStackDeveloper role, working on a "tech for good" product … core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a FullStack Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and … TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as well as writing and optimising SQL database queries. You'll input into technical discussions and decision making, as a senior member of a small team where you'll be able to influence best practice More ❯
A leading financial services organisation based in Central London is seeking an experienced JavaDeveloper to join their team. This is a hybrid role requiring three days per week onsite at their Central London office. Key Requirements: Essential Skills: 5+ years of commercial Java development experience, ideally at senior/lead level Strong fullstackJava development skills using the Spring framework Solid experience with functional programming principles and lambda expressions Proficient in SQL and Oracle Database development Desirable Skills: Experience deploying solutions to Microsoft Azure, particularly using Azure DevOps Familiarity with infrastructure as code tools such as Terraform Exposure to Postgres About the Role: You will be … fast-paced, agile environment on critical systems supporting financial products and services. The role requires a strong understanding of backend development and the ability to work across the stack, contributing to the design, development, and deployment of secure, scalable solutions. This is an inside IR35 contract role, and you will be required to operate via an FCSA approved More ❯
West London, London, United Kingdom Hybrid / WFH Options
Client Server
Backend Developer/Software Engineer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Developer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading … firm that specialise in trading silver and gold. As a Backend Developer you'll collaborate with the Lead Engineer on the whiskey trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile team environment. Location/WFH: You'll join the team in Central London with flexibility More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
Backend Developer/Software Engineer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Developer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading … firm that specialise in trading silver and gold. As a Backend Developer you'll collaborate with the Lead Engineer on the whiskey trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile team environment. Location/WFH: You'll join the team in Central London with flexibility More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Lead JavaDeveloper/Software Engineer (Java Kafka Spring Boot) London/WFH to £120k Are you a skilled JavaDeveloper with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead JavaDeveloper position at a scale-up technology company with a successful workforce management solution used within the government, defence and other public sector clients. As a Lead JavaDeveloper you will take a lead role in designing and developing secure, event driven, distributed backend systems for real-time operations, resilience and extensibility. … You'll collaborate with engineers across the fullstack to integrate backend services with Identity and Access control frameworks such as Keycloak, apply observability best practices and contribute to system architecture and codebase quality through reviews and mentoring. Location/WFH: You can work from home most of the time, meeting up with colleagues in the More ❯
mentoring when opportunities arise. Help monitor production with logs/metrics, triaging incidents and feeding learnings back into design and tests. 🌱 About You Professional experience building Kotlin (or Java) services on Spring Boot in production. Solid knowledge of PostgreSQL schema design, indexing, SQL queries and migration tools ( Liquibase or similar) and fluency with jOOQ or similar tools for … which is relevant to our remote-agent/control-plane topology. Practical experience with performance profiling and JVM tuning is a plus. Understanding basics of front end development ( fullstack skills) is a strong plus. Clear communicator who enjoys whiteboarding with product and frontend peers and can explain trade-offs to both technical and non-technical More ❯
mentoring when opportunities arise. Help monitor production with logs/metrics, triaging incidents and feeding learnings back into design and tests. 🌱 About You Professional experience building Kotlin (or Java) services on Spring Boot in production. Solid knowledge of PostgreSQL schema design, indexing, SQL queries and migration tools ( Liquibase or similar) and fluency with jOOQ or similar tools for … which is relevant to our remote-agent/control-plane topology. Practical experience with performance profiling and JVM tuning is a plus. Understanding basics of front end development ( fullstack skills) is a strong plus. Clear communicator who enjoys whiteboarding with product and frontend peers and can explain trade-offs to both technical and non-technical More ❯
East London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who want to still be hands on whilst leading a number of technical projects with a strong foundation in both front-end and … back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C# 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities … Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who want to still be hands on whilst leading a number of technical projects with a strong foundation in both front-end and … back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C# 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities … Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test More ❯
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who want to still be hands on whilst leading a number of technical projects with a strong foundation in both front-end and … back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C# 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities … Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who want to still be hands on whilst leading a number of technical projects with a strong foundation in both front-end and … back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C# 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities … Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who want to still be hands on whilst leading a number of technical projects with a strong foundation in both front-end and … back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key … Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD More ❯
East London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who want to still be hands on whilst leading a number of technical projects with a strong foundation in both front-end and … back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key … Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who want to still be hands on whilst leading a number of technical projects with a strong foundation in both front-end and … back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key … Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD More ❯
East London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who have a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion … dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile … methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who have a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion … dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile … methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
the chance to contribute to cutting-edge projects for an innovative and fast-growing company. Travel for on-site collaboration once a month will be fully covered. Tech Stack : We’re looking for Tech leads who have a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion … dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile … methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. More ❯
CD pipelines Proficiency in at least one of the following scripting languages: Python, GO, PowerShell, Bash, Groovy Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++ Developer tooling: Fullstack CI/CD, GitLab, Jenkins, Sonatype Nexus Experience containerising application More ❯
Principal DevOps Engineer page is loaded Principal DevOps Engineer Apply locations London time type Full time posted on Posted 30+ Days Ago job requisition id R3743 The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution … RHEL, Ubuntu Proficiency in at least one of the following scripting languages; Python, GO, PowerShell, Bash, Groovy Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++ Developer tooling; Fullstack CI/CD, GitLab, Jenkins, Sonatype Nexus Knowledge and working More ❯
Software Developer with FullStack C# and SQL Server Our Client is an international company in the media industry. They are looking to recruit an additional Software Engineer/Developer with fullstack software development experience. Must have at least 2 to 4 years of hands-on software … photos and photobooks in the best layout order Continuous optimization and debugging when adjustments are made to our webstores Design and implementation of next-generation web applications using Java and C# that can handle web-scale volumes of traffic Summary Do you have at least 2 years fullstack development experience with a focus … in a fast paced ecommerce environment? Have you experience in supporting Web applications with high traffic? Are you a whizz with scripting languages JavaScript and C# ? Experienced in full automation and configuration management? Can you help developers own and deliver change from keyboard to customer? Can you diagnose and fix complex production issues working with others as necessary More ❯
Senior FullStack Software Engineer - FX Pricing (React, Typescript, Java, API) - London (VP) Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and … by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. The role We are seeking a Senior Applications Developer to join a successful team delivering pricing projects for the Foreign Exchange (FX) Business. The role involves all aspects of the software development life cycle: analysis, design and implementation. … expertise in Multithreading, Async communication, Reactive Extensions. Extensive hands-on experience in web technologies and development with experience in HTML 5, CSS, React, ES6+, Typescript and Backend using Java technologies. Experience with desktop containers including Chromium, Electron. Experience with continuous integration and continuous deployment tools like Jenkins or TeamCity. Self-starting individual with experience of working in a More ❯
Senior FullStackDeveloper – Kotlin/Java/React (Hybrid, London) We're working with an insurtech company that’s redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences … particularly in the automotive and mobility sectors. Responsibilities: Designing and developing backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design, and domain experts in a fast-moving, agile environment Playing a key role … in shaping architecture and tech strategy as the platform scales Qualifications: 6+ years' experience with Kotlin/Java, React.js, and TypeScript A solid grasp of SQL and practical experience with PostgreSQL Comfortable working with infrastructure-as-code and DevOps practices in AWS Experience working in agile teams with strong CI/CD and testing culture Strong communication skills More ❯
Senior FullStackDeveloper – Kotlin/Java/React (Hybrid, London) We're working with an insurtech company that’s redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences … particularly in the automotive and mobility sectors. Responsibilities: Designing and developing backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design, and domain experts in a fast-moving, agile environment Playing a key role … in shaping architecture and tech strategy as the platform scales Qualifications: 6+ years' experience with Kotlin/Java, React.js, and TypeScript A solid grasp of SQL and practical experience with PostgreSQL Comfortable working with infrastructure-as-code and DevOps practices in AWS Experience working in agile teams with strong CI/CD and testing culture Strong communication skills More ❯
Citi's FX Technology team is seeking a passionate and skilled Lead JavaDeveloper to join our rapidly growing Markets technology division. This is an exciting opportunity to work on cutting-edge financial technology solutions that drive global banking operations. As part of Citi's flagship FX area, you will play a pivotal role in shaping … well as direct interaction with clients and business teams to deliver impactful solutions in the FX market. Key Responsibilities Plan, design, and develop distributed, high-performance, and resilient Java applications for FX Technology systems. Collaborate with business product owners and internal users to interpret and implement business requirements. Collaborate with cross-functional teams to ensure seamless integration of … deliver critical components of the platform while ensuring scalability and reliability. Provide L3 support and maintain high-quality code using TDD principles. Technical Skills: Strong knowledge of Core Java (JDK 21 and above) and multithreading concepts. Proficiency in designing and implementing efficient data structures and algorithms. Experience with SQL/NoSQL databases (e.g., Oracle, MySQL, Postgres, MongoDB, Cassandra More ❯
