201 to 225 of 249 Microservices Jobs in the City of London

deliver high-quality code that directly influences the platform’s performance and customer experience. Key Responsibilities Design, develop, and maintain backend services using Node.js and NestJS Build and support microservices and event-driven architectures Develop clean, maintainable, and well-tested code Create and optimise RESTful APIs with strong attention to performance and security Model and optimise MongoDB schemas for scalable … functional teams Qualifications Degree in Computer Science or related field 2+ years of backend development experience with Node.js Strong knowledge of TypeScript , async programming, and distributed systems Experience with microservices & event-driven architectures Skilled in writing unit and integration tests Experience with cloud platforms and CI/CD workflows Strong collaboration and problem-solving abilities Why Join Work in a More ❯

as a Service (PaaS) environment. What Youll Be Doing: Own architecture and technical decisions across squads; accountable for how software is built and shipped. Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs. Build modern React + TypeScript UIs with component-driven design, advanced state management, and reusable frameworks. Leverage AWS services (Lambda … Were Looking For: Highly experienced full stack engineer with strong proficiency in C# .NET Core and/or Node.js , plus React + TypeScript expertise. Proven experience designing event-driven, microservices architectures on AWS with secure, scalable patterns. Deep knowledge of API design, integration, and auth (OAuth2, JWT), with end-to-end performance focus. Strong database fundamentals with MySQL/Aurora More ❯

existing customer environments, recommending improvements that enhance efficiency, scalability, and business value. • Application & Data Modernization o Lead end-to-end modernization of monolithic Java/J2EE applications into scalable microservices using Domain-Driven Design. o Architect and implement database modernization strategies, including migration from Oracle Exadata/ExaCC to PostgreSQL or other cloud-native databases. o Modernize legacy components (PL … resolving ambiguities and guiding implementation. Required Skills & Experience: • 20+ years in software architecture and enterprise-level solution design. • Proven expertise in Java, J2EE, and modern frameworks. • Strong experience in microservices, containerisation (Docker, Kubernetes), and messaging systems (Kafka, Azure Event Bus). • Hands-on experience with Azure cloud services and DevSecOps tools. • Nice to have experience in technologies and platforms like More ❯

If you love working across React and Node and want to see how AI can genuinely improve healthcare, this could be for you!! I’m partnering with a growing HealthTech company using AI to power clinical decision tools and improve More ❯

Role: Python Developer Salary: £50,000 - £70,000 + 10% Annual Bonus Location: London, Hybrid: 2 days Benefits: Private Medical, Pension, Continued Learning & Development Are you a Python Developer eager to make a real impact in the automotive tech space More ❯

Role : Senior Data Engineer Day Rate : £550 - £580p/d (dependant on SFIA Level experience) - OUTSIDE IR35 Location : Central London (hybrid up to 2 days a week) Clearance required : ACTIVE SC clearance Duration : Initial work package end of FY, March More ❯

Lead Python Developer - Python, AWS, React, TypeScript, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Lead Level Engineers to their team, to work on a … weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. Lead Python Developer - Python, AWS, React, TypeScript, Microservices Lead Engineer: 5+ years of commercial experience with prior experience Leading small teams My have strong demonstrated knowledge of Python Knowledge of frontend technologies - ideally React Strong experience working with … advantageous Pays £90k-£115k + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices Lead Python Developer - Python, AWS, React, TypeScript, Microservices More ❯

cloud-hosted services across payments, identity, onboarding, lending, fraud and core banking. Define and evolve backend technical strategy, architecture, and engineering standards. Design and deliver distributed, event-driven and microservices-based solutions on public cloud. Ensure systems are observable, operable, performant, and straightforward to maintain. Drive a strong engineering culture around automated testing (unit, integration, end-to-end, performance). … coaching engineers , raising engineering standards and building high-performing teams. Bonus points if you Have experience in regulated sectors (e.g. financial services, insurance, payments). Have deep experience with microservices at scale in production. Have strong AuthN/AuthZ experience in distributed systems. The environment Cloud-native microservices stack running on public cloud (AWS preferred). Modern Java ecosystem with More ❯

Java Developer – upto £140k plus shares Java21, Springboot, Microservices, TDD, AWS A well-funded, product-led tech startup is building a next-generation financial platform designed to serve millions across emerging markets. Their mission is to simplify access to stable, secure digital finance, enabling users to save, transact, and grow their money with confidence. We’re looking for x8 Java … user authentication and fund management. The work is greenfield, the architecture is modular, and the impact is tangible. You’ll be working with a modern stack, contributing to a microservices ecosystem, and collaborating across disciplines to deliver secure, scalable solutions. The ideal Java Developer will bring deep experience in Java (17+), a strong grasp of distributed systems, and a passion … for building infrastructure that performs under pressure. Tech stack includes: Java 21, Springboot, Microservices, TDD, AWS, React. This is a mostly remote role with one day a week in office, with flexible hours, competitive salaries, and the opportunity to shape a platform that’s expanding rapidly across underserved regions. You will also have access to shares! Salaries in the range More ❯

UK energy markets Develop real-time bidding, dispatch, and optimization tools Build monitoring dashboards for LAES operations and grid stability systems Develop data pipelines using Kafka and TimescaleDB Create microservices to connect trading platforms and grid operators What We’re Looking For Strong Software Fundamentals: Excellent Python skills (Rust is a bonus) and experience designing distributed systems, REST APIs, and … microservices Data & Infrastructure: Experience with Kafka or similar streaming technologies, PostgreSQL, and time-series data management DevOps & Observability: Familiar with Docker, monitoring, and observability tools Bonus Points For: Prior experience with energy markets, trading systems, industrial control systems, or IoT environments If you’re passionate about applying your software skills to the clean energy transition – and want to see your More ❯

Senior Software Development Engineer in Test (SDET) - Java, JBehave or Cucumber, Selenium, Microservices Perm 3 days a week on-site in London Up to £75,000 per annum A rapidly growing fintech organization is transforming access to finance for small and medium-sized businesses. With over £150 million lent through its proprietary credit platform, the company is redefining how business … using Java, Selenium, and BDD tools such as JBehave. Perform manual testing as required to validate product features and workflows. Collaborate closely with developers to ensure robust coverage of microservices-based systems. Contribute to continuous integration and delivery pipelines through effective automation and test design. Provide input on QA strategy, tooling, and process improvements as the team scales. Role Requirements … Ideally an ex Java developer) Hands-on experience with Selenium and BDD frameworks (e.g., JBehave). Exposure to Playwright or other end-to-end testing tools. Solid understanding of microservices architecture and inter-service communication. Ability to design and execute end-to-end testing across multiple services and environments. Experience working in Agile development environments.e. Relevant QA certifications (ISTQB, CSTE More ❯

syntax. What you’ll be doing Designing automated trading systems for green energy markets Building real-time bidding, dispatch, and optimisation tools Developing data pipelines using Kafka & TimescaleDB Creating microservices that connect trading platforms and grid operators Building monitoring dashboards for grid stability and energy storage operations What they’re looking for Strong software fundamentals — ideally Python , Rust is a … bonus Experience with distributed systems, REST APIs, and microservices Knowledge of Kafka (or similar), PostgreSQL , and time-series data Familiar with Docker, monitoring, and observability tools ✅ Experience in a startup or scale-up , collaborating closely with engineers in a fast-moving environment Bonus points if you’ve worked in energy markets, trading systems, industrial control , or IoT . This is More ❯

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying films and TV programmes. They currently have over 15 million streaming members across the UK, Europe and … and a skill that that includes: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide training into: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. This is an excellent opportunity for a .NET Developer to working within a challenging supportive environment. Top performers can expect to receive More ❯

.NET Developer, C#, .NET 9, Angular 19, Web API 2 - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Have you ever thought about getting from London to Edinburgh in 30 minutes? My client, a world leader in aerospace technology, and has decided to undertake research into … .NET Developer applicants should have knowledge of: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. They will provide training into: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. All positions come with the following benefits: 15% bonus. 10% pension. Weekly office code competition. 5 days of brain-storming time per More ❯

deliver high-performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You’ll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You’ll also play a key role … architecture Background in complex, large-scale, data-driven applications Product-focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you’re a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech company, apply More ❯

Junior .NET Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying films and TV programmes. They currently have over … a skill that that includes some of the following (full training will be provided to fill any gaps in your skill set): .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and Azure SQL. This is an excellent opportunity for a Junior .NET Developer to working within a challenging supportive environment. Top performers can expect More ❯

.NET Developer, .NET 9 - Social Networking Site - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have ambitions to become the biggest web site in the world! Their global presence currently stretches across … global brand. Our client offers over 20 days of dedicated technical training per year and exposure to cutting edge technologies such as: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: London, UK/Remote Working Salary: £40,000 - £50,000 + More ❯

.NET Developer - Fastest Growing Social Media Firm - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover, view and share content by combining the beauty and ease of print with the power of social media. Their key … You should have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere and anyone. From the beginning More ❯

.NET Developer, .NET 9, C# - Digital Download Site - London (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major player within the digital download arena. In addition to an award winning website they have launched mobile … should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will be trained in all aspects of: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months. Our client offers a unique working environment More ❯

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be More ❯

Job title: Scala Engineer Job type: Permanent Salary: Up to £80k + 10% bonus Role Location: London - hybrid The company: A rapidly growing global tech scale-up delivering advanced data and analytics solutions to enterprise clients. Their platform helps organisations More ❯

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be More ❯

Lead Software Engineer – Java Microservices Location: City of London Salary: Competitve + excellent benefits We’re looking for a Lead Software Engineer with deep expertise in Java microservices to join a major UK digital banking platform. This role sits within the Mobile Services Feature Team , a core group responsible for building high-performance backend services that power mobile banking experiences … drive best practices, guide engineering standards, and play a key part in modernising and scaling distributed systems. What You will do... Designing, developing, testing and implementing high-quality Java microservices Working across the entire system lifecycle with a permanent feature team Collaborating with architects and principal engineers to align platform strategy Applying Agile practices to refine and deliver backlog items … Building software with a strong focus on automation (build, test, deploy) What I Need from you... Strong server-side engineering background in Java Solid experience building microservices and distributed systems Proven track record delivering well-tested, production-ready code in critical environments Strong understanding of modern development practices Experience running production workloads across cloud platforms (public or private) Excellent communication More ❯

Software Engineer | Java Microservices | London (1 day per week on-site) | £63,000 – £74,000 We’re partnering with a leading UK financial services organisation to recruit a Software Engineer with strong Java and microservices experience. This is an excellent opportunity for someone looking to take on a meaningful technical challenge within a highly reputable institution undergoing significant digital transformation. … lifecycle: requirements, design, build, test, deployment and continual optimisation Working as part of a permanent feature team with end-to-end ownership of services Designing, building, testing and implementing microservices-based solutions Collaborating to improve engineering practices, tooling, automation and processes Skills & Experience Required Solid experience developing Java software solutions Proven track record delivering well-tested, production-grade applications Strong … understanding of microservices architectures and associated engineering requirements Experience working in an agile environment with CI/CD delivery pipelines Ability to implement engineering best practice around security, performance, availability and observability A strong grounding in modern software engineering principles and customer-focused delivery Contact Harry - Paritas Recruitment Email: harry@paritasrecruitment.com Mobile: +44 More ❯

Lead Python Developer - Python, AWS, React, TypeScript, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Lead Level Engineers to their team, to work on a … weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. Lead Python Developer - Python, AWS, React, TypeScript, Microservices 5+ years of commercial experience with prior experience Leading small teams My have strong demonstrated knowledge of Python Knowledge of frontend technologies - ideally React Strong experience working with cloud-native … advantageous Pays £90k-£115k + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices Lead Python Developer - Python, AWS, React, TypeScript, Microservices More ❯