through code reviews, CI/CD, test automation, and Git-based workflows. Own deployment pipelines across cloud providers (AWS, GCP, Azure) using containerization (Docker, Kubernetes). Design and implement microservices and APIs for internal tools and external integrations. Work with data at scale (market data ingestion, real-time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of More ❯
designs align with business requirements and industry best practices. Requirements Must Have: 8+ Years hands-on as a Java and Java Script Developer with a focus on Spring Boot Microservices and Spring Webflux development. Strong understanding of Java SOLID design principles. Strong understanding of Java and Java Script Low-level and High-level design patterns such as Builder pattern, Factory … optimizing web and mobile applications, enhancing their scalability, operating speeds, and making them responsive on various formats. Experience in creating dynamic content for websites and digital platforms. Knowledge of microservices architecture and containerization (Docker, Kubernetes) is desirable. Knowledge of RESTful APIs and experience in building and consuming them. Proficient in building and managing microservices using the DAPR runtime to ensure More ❯
City of London, Greater London, UK Hybrid / WFH Options
Reed.ai
Drive adoption and integration of advanced AI tools, frameworks, and platforms, keeping the team ahead in the evolving AI ecosystem. Architect and oversee the implementation of complex system components, microservices, and APIs to meet demanding product requirements. Establish robust development and delivery pipelines, championing proper agile working and DevOps principles. Evaluate emerging technologies and industry trends to inform innovation and … Hands-on experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices More ❯
energy trading, renewables & energy solutions). • Familiarity with Redux in React-based front-end development. • Experience with messaging systems such as Kafka, RabbitMQ, or Azure Service Bus. • Proficiency in Microservices and Cloud-Native Architecture. This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi-cultural environment. You also More ❯
experience. Solid understanding of core Java (Java 8+), object-oriented principles, and design patterns. Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data). Familiarity with RESTful APIs, microservices architecture, and messaging systems (e.g., Kafka, RabbitMQ). Hands-on experience with relational databases (e.g., PostgreSQL, Oracle, or SQL Server). Understanding of financial services concepts (e.g., payments, capital markets More ❯
design, development, and ongoing enhancement of our cutting-edge software solutions. Your primary responsibilities will include leading the technical design and solutioning processes, crafting and deploying high-performance, scalable microservices using Spring Boot and other relevant technologies. The ideal candidate should have a strong background in Java Script development and a passion for delivering high-quality software. Know your team More ❯
City of London, Greater London, UK Hybrid / WFH Options
Areti Group | B CorpTM
X20 Senior Software Engineers Needed – Tech Start Up – Fully Remote - GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React - Offices based in London but all roles are fully remote Areti has partnered with a rapidly growing tech-led organization who are seeking multiple Software Engineers ranging from junior to senior and looking to grow their team by a further … for you to specialize in the areas you feel most comfortable: Technologies you could work with include but is not limited to: GO, Golang, PHP, GraphQL, GRPC, AWS, API, Microservices, Next.JS, React ,Kubernetes, Docker, Microservices, Kafka. Contemporary software engineering including selection and application of appropriate technology and patterns. Confidence developing full-stack solutions as a polyglot developer/engineer. DevOps More ❯
About the Role: We are seeking an experienced and visionary Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to lead the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen, hands-on coding capability, and a leadership mindset to guide teams across the full software development lifecycle. Exposure to mobile … and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX goals. • Drive integration with API Gateway technologies (e.g., Kong, Apigee, AWS API Gateway) to enforce access control, rate … 3+ years in technical leadership or solution design roles. • Strong expertise in Java, Spring Boot, and the Spring ecosystem (Spring MVC, Data, Security). • Proven experience architecting and deploying microservices-based systems in complex enterprise environments. • Hands-on experience with API Gateways (Kong, Apigee, or AWS API Gateway) and secure API development. • Working knowledge of IDAM platforms like Ping Identity More ❯
City of London, Greater London, UK Hybrid / WFH Options
developrec
Up Location: London (Hybrid – 1 day per week on-site) Type: Permanent/Full-Time Salary: £75,000 – £90,000 + equity + benefits Tech: C#, .NET Core, Azure, Microservices, REST APIs Industry: eCommerce High-impact role in a scaling product-led environment The Opportunity Our client is a fast-growing, VC-backed eCommerce scale-up based in London, building … a full-time hybrid position, with just 1 day a week on-site in their central London office. Tech Stack C#/.NET Core/ASP.NET RESTful APIs/Microservices SQL Server, Entity Framework Azure (App Services, Functions, DevOps) CI/CD: Azure DevOps or GitHub Actions Optional: React, Vue (frontend exposure) What You'll Be Doing Leading the design More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Davies Talent Solutions
less experienced developers. Required Skills Strong experience with C#, .NET Core, Azure, and test automation. Proficiency in JavaScript and a modern front-end framework (React preferred). Familiarity with microservices, containerisation, and site reliability engineering. Solid understanding of Agile/Scrum methodologies and software design principles. Experience with TDD and CI/CD pipelines. Desirable Skills TypeScript, REST APIs, NoSQL More ❯
with a strong track record of delivering high-quality software. Skilled in OOP, Java, Spring Boot, Hibernate, and build tools like Maven or Gradle. Experience building secure, scalable systems; microservices or distributed architecture knowledge is a plus. Familiar with CI/CD, Docker, Kubernetes, and cloud platforms like AWS. Proficient in agile methods like sprints, pair programming, and test-driven More ❯
City of London, Greater London, UK Hybrid / WFH Options
Proactive.IT Appointments Ltd
you will be responsible for the development, support, and enhancement of internal and customer-facing systems using a modern Microsoft tech stack. You will build responsive web applications, scalable microservices, APIs, and data-layer components, working within an Agile, cloud-based (Azure) environment. Key Responsibilities Full-stack development using C# .NET Core, Web API, Angular 9+, HTML/CSS, and … JavaScript frameworks. Build and support Microservices, Azure Service Bus integrations, and containerized services (Docker). Develop and maintain APIs, web services, and enterprise data layers. Collaborate with cross-functional teams including PMs, BAs, designers, and QA. Participate in code reviews, technical design sessions, and Agile ceremonies. Troubleshoot and maintain existing systems; implement business-driven enhancements. Skills & Experience Required Proficient in … C# .NET Core/.NET Framework Strong front-end experience: Angular 9+, responsive HTML/CSS, JavaScript RESTful APIs, Web API, Microservices Azure Cloud, Service Bus, SQL Server, Docker (preferred) Familiarity with Entity Framework, GraphQL, and ETL processes Experience with Unit Testing, mocking frameworks, and secure coding practices Version control tools: Git, TFS Experience with Agile/Scrum methodology Bonus More ❯
City of London, Greater London, UK Hybrid / WFH Options
Ubique Systems
Type: Contract B2B/Freelance {Inside IR35} Roles & Responsibilities: About the Role: We are seeking a highly skilled Blockchain Developer with strong hands-on experience in R3 Corda, Python, Microservices, and Node.js. You will join a forward-thinking engineering team working on enterprise-grade blockchain applications, primarily for the financial and regulated industries. The ideal candidate should possess a passion … backend services. Key Responsibilities: Design, develop, and deploy blockchain-based solutions using R3 Corda for high-impact use cases. Build and maintain backend services using Python and Node.js, following microservices architecture. Develop and integrate smart contract logic and flows within the Corda framework. Collaborate with architects, DevOps, and product teams to translate requirements into scalable solutions. Design APIs, data models … Required Skills & Qualifications: 3+ years of professional experience in blockchain development, with a strong focus on R3 Corda. Proficient in Python and Node.js for backend development. Strong knowledge of microservices architecture and RESTful API design. Experience with Corda Flows, States, Contracts, and integration patterns. Understanding of cryptographic principles, distributed systems, and secure coding practices. Familiarity with databases (SQL and NoSQL More ❯
City of London, Greater London, UK Hybrid / WFH Options
developrec
day a week in London office A leading enterprise organisation that specialises in AI-First solutions is seeking a seasoned Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to drive the backend engineering strategy for its platform engineering function. The ideal candidate brings a blend of strong technical leadership, architectural insight, and hands-on …/modernisation Key Responsibilities: Design and develop high-performance, secure, and scalable backend systems using Java, Spring Boot, and modern architectural patterns. Lead the development of RESTful APIs and microservices, ensuring alignment with mobile platforms and business objectives. Integrate with API Gateway solutions (e.g., Kong, Apigee, AWS API Gateway) to enforce access control and manage API lifecycles. Implement secure authentication … frontend (BFF) patterns, and mobile performance optimization. Expert-level proficiency in Java, Spring Boot, and associated Spring modules (MVC, Data, Security). Strong track record in architecting and deploying microservices in enterprise environments. Experience with API Gateway technologies and secure API development. Hands-on experience with IDAM platforms like Ping Identity, Okta, or Auth0. Proven collaboration with mobile development teams More ❯
City of London, Greater London, UK Hybrid / WFH Options
Solas IT Recruitment
seeking a Senior Software Engineer to join a high-performing team focused on developing data-driven solutions to combat financial crime. This role involves designing, building, and maintaining robust microservices that support fraud and anti-money laundering efforts for major financial institutions. Key Responsibilities Design, develop, and maintain microservices (primarily in Golang) across the full product lifecycle Debug, enhance, and More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
.NET Developer, C# - Financial Consultancy - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Azure, WPF, MVVM, Prism, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the early 1970s, our client delivers cutting edge I.T solutions to banks. With over 70,000 employees in over 50 countries and strong partnerships with some … either web application development (.NET Core/ASP.NET MVC, C#) or windows/desktop development (C#.NET). My client can provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, WPF, MVVM, Prism, continuous integration, dependency injection, RESTful, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a More ❯
City of London, Greater London, UK Hybrid / WFH Options
Quant Capital
on the wheel as the firm drives the future of an integrated platform that services financial services clients. Working with cloud-based, state-of-the-art technology, and a microservices-based wealth management product, the Technical Consultant/Analyst Programmer focuses on integrating software into clients operating environments, while showing clients how to use products more efficiently to help reach … and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization (Docker, Kubernetes), Database (Relational More ❯
real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance and scalability of existing systems, ensuring low-latency trade execution and real-time risk monitoring. Collaborate with quants … as Pandas, NumPy, and SQL/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar). Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker or Kubernetes. Experience in managing and More ❯
automation, production deployments, and monitoring Collaborate closely with business stakeholders to shape solutions Contribute to agile best practices Key Requirements: 5+ years of core Java development experience Expertise in microservices architectures (Spring Boot, Docker, Kubernetes) Strong experience with GUI technologies (React, TypeScript, HTML5) Experience in full SDLC (Git, Maven, Bamboo) Strong understanding of modern software design & architecture A proactive mindset More ❯
City of London, Greater London, UK Hybrid / WFH Options
Understanding Recruitment
Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience developing with: Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment More ❯
City of London, Greater London, UK Hybrid / WFH Options
TurinTech AI
Handling (Nice to Have): Experience with video/audio manipulation (e.g., FFmpeg, GStreamer) Desired Skills & Experience: Strong backend development experience with Java or Scala Solid understanding of RESTful services, microservices, and gRPC Experience with relational databases and asynchronous communication Comfortable working in Linux/Ubuntu environments Proficient with Docker-based development and deployment Familiarity with software design principles and hexagonal More ❯
experience with Blazor for front-end development (or React, Angular, or similar) Strong understanding of cloud platforms including Azure, AWS or GCP Solid experience in building RESTful APIs and microservices Proficient in using version control systems such as Git Good understanding of secure software development practices Strong problem-solving and analytical skills Excellent communication and collaboration abilities Experience with Agile More ❯
City of London, Greater London, UK Hybrid / WFH Options
developrec
automated testing. Tech Stack: C#, .NET Core/.NET 8+ Azure (Functions, App Services, Service Bus, Cosmos DB) React or Angular on the front end (knowledge desirable, not essential) Microservices architecture Kubernetes, Docker, Terraform GitHub Actions/Azure DevOps What We’re Looking For: Proven experience leading engineering teams within a .NET environment. A strong background in C# and distributed More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TRIA
will need to succeed... • Strong backend development experience in modern Java (Spring Boot) or server-side Kotlin • Experience mentoring or coaching developers and leading technical delivery • Solid understanding of Microservices architecture • Knowledge of CI/CD pipelines, Docker, and Kubernetes deployments • Hands-on experience with either AWS or GCP • Comfortable with collaborative environments and pair programming • Strong grasp of Agile More ❯