history of hands on development in at least one of the following programming languages: Java, C#, C/C++, Python, Javascript, Ruby. Significant experience using and implementing Web Services (REST, SOAP, RPC, RMI) and monitoring APIs. Familiarity with network communication protocols (HTTP, TCP/IP, UDP, SMTP, DNS). Capable of applying best coding practices, design patterns, and assessing tradeoffs More ❯
scalable systems with a strong emphasis on front-end technologies while being comfortable working across the stack. Key Responsibilities: Develop and maintain scalable applications using .NET Core, C#, and REST APIs Design and implement microservices architectures Build dynamic front-end interfaces using Angular, HTML, CSS, and JavaScript Work with SQL Server, Cosmos DB, and NoSQL databases Collaborate on CI/… to-end features or modules Work independently with minimal supervision and provide tangible project examples Required Skills & Experience: 7+ years of experience in software development with .NET Core, C#, REST APIs Strong experience with Azure or AWS (Azure preferred) 7+ years of database experience with SQL, Cosmos DB, or NoSQL Minimum 4 years of experience in front-end development: Angular More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Adalta
functional and non-functional requirements. Coordinate deployments with Release Manager and monitor for successful integration. Key Skills : Python - Django - React - Docker - Microservices - Kubernetes - Rabbit MQ - Apache Kafka - SQL - PostgreSQL - REST API - AWS - Performance Tuning. Apply directly for consideration and if chosen for the shortlist, a member of the team will be in touch to discuss. More ❯
East London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
Object-Oriented Design , and a passion for learning and embracing new tech. You 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 More ❯
and the ability to work independently or within a team. Strong communication skills, both verbal and written. Nice to Have: · Experience in migrating or refactoring legacy applications. · Familiarity with REST APIs and microservices architecture. · Exposure to cloud platforms such as AWS or Azure. More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Noir
is your kind of contract. What You’ll Be Doing as a .Net Developer: Building and maintaining complex web apps with C#/.NET + Angular Architecting scalable services (REST APIs, microservices) Working closely with product, QA, and DevOps to deliver smooth releases Leading technical discussions and improving code quality Mentoring other developers when needed ✅ Successful .Net Developer should have More ❯
analysis, data modelling, data architecture principles with proficiency in SQL and Data Warehousing principles Experience with Python, R and ETL (Extract, Transform, Load) processes for data cleansing Experience with REST APIs Experience with a .NET UI controls tool such as DevExpress is a plus Experience using version control and CI/CD tools, eg GitHub, Azure DevOps Working knowledge of More ❯
South East London, England, United Kingdom Hybrid / WFH Options
TurinTech AI
AWS, and RabbitMQ — but we’re open to candidates with equivalent experience in similar technologies. Tech Stack (actual or equivalent experience welcomed): Languages & Frameworks: Java with Spring Boot 3.x (REST APIs, gRPC, Security, JPA) Alternatively: Java EE, or Scala Databases: PostgreSQL or any relational DB (e.g., MySQL, Oracle) Messaging/Caching: RabbitMQ or similar (Kafka, ActiveMQ) Redis or similar caching More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Tata Consultancy Services
etc & other related applications & 3rd party software integrations with ServiceNow. Experience with CMDB design, architecture, and implementations, MID Server management, Discovery, Service Mapping, ATF. Experience in Glidescripting, Python, JavaScript, REST/SOAP APIs, HTML, CSS, Workflow and UI development and Service Portal Concepts, business rules, client scripts, data imports, custom apps, and development methods. Relevant ServiceNow certification eg. ServiceNow Certified More ❯
East London, London, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
shape the future of our web platforms. What You’ll Do Build and maintain modern web apps using React.js , Next.js , JavaScript , HTML5 , and Tailwind CSS Develop backend logic and REST APIs with C# (.NET Core) Work directly with MSSQL databases (queries, schema updates, stored procedures) Deliver secure, high-performance, and maintainable features What You Bring 3+ years of hands-on … experience in full stack development Strong skills in JavaScript , React.js , and Next.js Backend experience with C# 9 , .NET Core , and REST APIs Proficiency with SQL Server (stored procedures, schema management) Comfortable with Tailwind CSS and responsive UI design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc. More ❯
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 More ❯
in building Angular web applications as a lead developer. Extensive experience with C# .NET, adhering to best practices in design, implementation, and testing. Solid background in building and supporting REST APIs. Proficient in working with SQL Server/Azure SQL databases. Demonstrated experience in building and maintaining application code CI/CD pipelines. Hands-on experience deploying and running .NET More ❯
contract basis. Key Skills/Requirements: Strong Java development experience with Spring Boot Frontend Development experience (React or Angular) Cloud platform experience (Ideally Azure) Containerisation experience (Docker/Kubernetes) REST API & Microservices experience Contract is running for 12 months initially, paying up to £520p/day (Inside IR35 via Umbrella) and will be 3 days per week onsite in London. More ❯
South East London, England, United Kingdom Hybrid / WFH Options
trg.recruitment
and deployment Work with DevOps, product, and data teams to deliver production-ready solutions What you’ll need: Strong Python and experience with PyTorch or TensorFlow Solid understanding of REST APIs, CI/CD, Docker, Kubernetes, and AWS Proven delivery of NLP/OCR projects with unstructured data Experience managing or mentoring engineers Bonus points for: Experience in regulated domains More ❯
DTOs and model binding Security API authentication and authorization best practices Knowledge of OAuth2, JWT, OpenID Connect Secure coding practices for exposed endpoints Integration & Communication Consuming third-party APIs (REST/SOAP) Async/await, tasks, and non-blocking design Database Integration Hands-on with Entity Framework Core or similar ORM Confident writing SQL and working with SQL Server Testing More ❯
scalable backend services and data pipelines - written in Python and deployed with Docker & Kubernetes. Integrate with enterprise ecosystems- enterprise software systems such as SAP and Oracle ERP, GraphQL/REST APIs, SFTP feeds, and event buses (Kafka, Pulsar). Wrangle large, heterogeneous data sets —model, transform, and index multi-modal, multi-terabyte enterprise datasets for advanced AI workloads Develop enterprise More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Client Server
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 … Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems You have a strong knowledge of software engineering best practices and Agile development methodologies You're collaborative and pragmatic with great communication skills What's More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Staffworx
enterprise cloud environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions between agents, models and services Lead implementation of full-stack interfaces and services using Node.js, TypeScript, React.js, Express, Next.js Integrate ML models and embeddings … agent tool-use patterns , function calling, and autonomous workflow design Proficient in designing asynchronous, event-driven systems and pub/sub messaging API-first mindset with deep knowledge of REST, GraphQL, and streaming protocols Infrastructure as Code using Terraform , AWS CDK or similar Experience with secure cloud deployments and production ML model integration Bonus Skills Applied work with multi-agent More ❯
etc.) Experience with Azure Logic Apps, Web Services, Functions & Secure coding Proficient in one or more of the following: JavaScript, JSON, React and related scripting, .NET technologies (C#, ASP.NET), REST services & PowerShell Experience with Code Control(Git Repositories, ADO) Experience with Visual Studio Code OR Visual Studio Competent understanding of SharePoint-related infrastructure This is an inside IR35 Contract role More ❯
views, table design, indexing, optimisation) • Solid background in .NET Framework/.NET Core for API and backend development • Understanding of JavaScript and modern web service architectures • Familiar with both REST and SOAP API design and consumption • Confident working with XML/XSL/JSON for data formatting and transformation • Experience with cloud services (Azure or AWS) and API gateways • Exposure More ❯
experience in software engineering with deep expertise in Java (Java 11 or later). Strong experience in designing microservices and distributed systems. Solid grasp of Spring/Spring Boot, REST APIs, messaging (Kafka/RabbitMQ), and cloud-native development. Proven leadership in technical decision-making and mentoring developers. Experience with cloud platforms (AWS, GCP, or Azure). A strong security More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Norton Blake
real-time distributed systems. Strong understanding of treasury operations, fixed income, FX, and derivatives workflows. Solid experience with SQL Server, messaging systems (e.g., RabbitMQ, Service Bus), and API development (REST, FIX). Experience in cloud-native architecture, ideally with Microsoft Azure (Functions, Logic Apps, Cosmos DB, Blob Storage, Service Bus). Familiarity with Order Management Systems such as ThinkFolio, Aladdin More ❯