1 to 25 of 43 Contract Microservices Jobs in London

TypeScript HTML5, CSS3 Backend C# .NET Core/.NET ASP.NET Core REST APIs Cloud & Data Microsoft Azure SQL Server Docker CI/CD Pipelines Microservices Essential Skills & Experience Strong commercial experience with C#/.NET and React. Experience designing and developing RESTful APIs. Solid understanding of software architecture and microservices. ...

services OAuth2/OpenID Connect C#/.NET preferred, Node.js or Python JSON/XML transformation Azure DevOps, Git, Terraform/Bicep/ARM Microservices and cloud-native architectures ...

robust technical solutions Design and build scalable, event-driven architectures using Kafka Contribute to the development and optimisation of Trade Runner frameworks Build containerised microservices deployed via Kubernetes Ensure system reliability and performance in a Linux-based environment Collaborate within Agile teams, contributing to design, code reviews, and best practices ...

Essential Skills & Experience Strong commercial experience developing applications with Python Proven hands-on experience with Microsoft Azure Experience building and consuming REST APIs and microservices Strong understanding of cloud architecture and Azure services Experience with CI/CD pipelines and DevOps practices Familiarity with Git and modern software engineering best ...

Essential Skills & Experience Strong commercial experience developing applications with Python Proven hands-on experience with Microsoft Azure Experience building and consuming REST APIs and microservices Strong understanding of cloud architecture and Azure services Experience with CI/CD pipelines and DevOps practices Familiarity with Git and modern software engineering best ...

week on site. Key Experience Provide technical leadership across multiple engineering squads, driving engineering standards and best practices. Design and develop cloud-native microservices using Python and/or Java . Lead architecture and design for distributed, event-driven systems. Champion modern DevOps, CI/CD, Infrastructure as Code ...

Skills & Experience: Strong experience with event-driven architecture and messaging systems (NATS, pub/sub) Expertise in API-first design (REST, gRPC) and microservices architecture Hands-on experience with Java/Spring Boot Proven delivery of cloud-native solutions on AWS (ECS/EKS, SQS/SNS, API Gateway) Experience ...

Stash, Jenkins, Nexus, JIRA, Confluence, SonarQube and Veracode Build tools - Experience with Maven, Gradle and NPM Strong skills in Test driven development, CICD, and microservices Desirable Skills: Computer Science degree or equivalent understanding of Computer Science, Object Oriented Design and Data Structures Experience of working in an IT project environment ...

tools to improve development efficiency Tech Stack Integration: Event-driven architecture, NATS (or Kafka/Pulsar), messaging patterns Backend: Java, Spring Boot, microservices, REST/gRPC Cloud: AWS (EKS/ECS, SQS/SNS, API Gateway, Terraform) API: OpenAPI/AsyncAPI, versioning, governance Frontend: React/TypeScript (working knowledge) Domain ...

. Strong front-end experience using React and TypeScript, alongside ASP.NET MVC and/or WebForms. Demonstrated experience building and consuming RESTful APIs within microservices architectures. Solid background working with SQL Server or other relational databases. Experience writing and maintaining automated unit and integration tests. Proven delivery within on-premise ...

database development expertise Proven full-stack development experience across both front-end and back-end technologies Experience building and integrating APIs and microservices Knowledge of cloud-based and distributed application architectures Experience developing or integrating AI-enabled solutions, automation workflows, or generative AI capabilities Strong understanding of software engineering best ...

refining backlog items, and defining acceptance criteria Good understanding of clean coding principles and managing technical debt Knowledge of software architecture principles (layered design, microservices, separation of concerns) A user-focused mindset with experience building accessible digital services This is a strong opportunity to contribute to a high-impact government ...

experience as a Technical Architect within banking or financial services Proven knowledge of Open Banking frameworks (e.g. CMA, PSD2) and government standards Expertise in microservices, APIs, and integration patterns, especially across payment rails (BACS, SEPA, Faster Payments) Experience working with third-party platforms such as product accounting, risk engines ...

applications and working within modern engineering environments. Experience required Engineering Ownership - Takes responsibility for delivery end-to-end, including debugging, optimisation and production support. Microservices & Distributed Systems - Experience building scalable distributed systems with a focus on reliability, integration and performance. Event-Driven Thinking - Understanding of event-driven architectures, decoupled systems ...

crypto-agility (library baselines, cipher suite standards, algorithm rollout/deprecation) and PQC awareness with pragmatic migration planning. Experience working with cloud infrastructure and microservices (Azure, AWS, OCI), and networking services. Deep understanding of cryptographic algorithms, protocols, and standards, including symmetric and asymmetric cryptography, hashing, digital signatures, and key exchange ...

your workflow. What Youll Bring: Senior/Staff-level backend mastery in TypeScript and Node.js , with the ability to architect and lead distributed REST microservices at scale. Strong authority in AWS serverless engineering: Lambda-first mindset, hands-on experience with API Gateway, SQS, Step Functions, EventBridge and IAM. Deep data ...

enable continuous testing- Support multiple releases on a frequent basis through automation first approach Key Technical Skills- Test automation frameworks (Selenium, Playwright, Cypress)- API & microservices testing- CI/CD tools (Azure DevOps, GitHub Actions)- Test architecture and strategy- AI-driven testing exposure (desirable) Behavioural Traits- Hands-on technical leadership- Influencing ...

innovative ways, every step of the way. What You'll Do Design & Build: Architect, develop, and operate both frontend (web) and backend (APIs, microservices) systems that can scale globally, following good design and development practices. Cross-Functional Collaboration: Partner with a team of engineers, product managers, designers, and data scientists ...

Experience Strong background in Solution Architecture with extensive HLD ownership Hands-on experience designing event-driven architectures (Kafka, streaming, async patterns) Solid understanding of microservices, APIs and cloud platforms (AWS and/or Azure) Proven experience within B2B banking and payments , including SEPA, SWIFT, Faster Payments and ISO 20022 Track ...

Senior Backend Engineer (.NET/Java Microservices) Contract: Inside IR35 Duration: 6 Months+ Hybrid - 2 days per week on site in London We're seeking a Senior Backend Engineer to design, build and enhance scalable backend services and APIs within a complex enterprise environment. You'll play a key role … delivering modern microservices while contributing to technical design and engineering best practice. Key Responsibilities Design and develop backend services using C#/.NET and Java (Spring Boot) . Build and support REST APIs and microservices. Contribute to architecture, technical design and system integration. Troubleshoot, optimise and support production systems. Collaborate ...

across on-prem and cloud environments Experience integrating GIS platforms with OSS/BSS, asset management and enterprise data platforms Strong understanding of APIs, microservices, ETL pipelines and event-driven architectures Experience with geodatabase design, versioning, network rules and data governance Knowledge of Azure and/or AWS cloud environments ...

hands-on experience with the Azure AI stack , delivering real-world AI-enabled solutions. Strong experience designing and governing API-centric architectures , including APIM, microservices, and integration patterns. Deep understanding of cloud security, identity, networking, and data governance. Proven ability to lead cross-functional teams and influence senior stakeholders. Strong ...

collaborate with product managers, designers, QA engineers and DevOps specialists to deliver scalable, secure and high-performing solutions using modern cloud technologies and microservices architecture. This is an excellent opportunity for an experienced contractor who enjoys working on complex software engineering projects and wants to contribute to the delivery … Node.js and TypeScript - Develop responsive user interfaces using React and Next.js - Design, maintain and optimise PostgreSQL and MongoDB databases - Build secure RESTful APIs and microservices - Optimise application performance, scalability and reliability - Implement automated testing using TDD, Jest and Cypress - Collaborate with Product, QA, Design and DevOps teams - Participate in code ...

transformation. They are looking for an experienced UI Architect to lead the design and delivery of scalable, modern front-end platforms aligned to a microservices architecture. This is a hands-on architecture role with responsibility for defining standards, driving best practice and shaping the frontend ecosystem across multiple products. … Responsibilities Define and own frontend architecture across a microservices-based platform Design scalable UI solutions aligned to API-first backend services Establish reusable components, UI standards and enterprise design systems Define integration approaches with RESTful and event-driven services Ensure performance, security, and responsiveness across web applications Embed CI/ ...

Cloudinary as a core skill Strong experience with AWS services: (CloudWatch, DynamoDB, S3, SNS, SQS, Lambda, API Gateway) Proficiency in Node.js with experience in microservices-based architecture and protocols (HTTP, REST, GraphQL) Hands-on experience configuring and maintaining CI/CD pipelines in GitLab Familiarity with infrastructure automation (CloudFormation ...