and working with graph databases (e.g. Neo4j, Amazon Neptune). Proficient in both SQL and NoSQL databases, with a strong understanding of data modelling and integration. Experience building APIs (REST, gRPC) and working with containerised environments (Docker, Kubernetes). Solid grasp of distributed systems, networking, and infrastructure-as-code practices. Familiarity with vector databases, retrieval-augmented generation (RAG), and LLM More ❯
years of professional software engineering experience, ideally working on backend systems, APIs, or AI-related products Proficiency in Python and JavaScript/TypeScript (Node.js) Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure to agentic frameworks (LangChain, LlamaIndex, Semantic More ❯
equivalent practical experience. 8+ years of experience. Strong hands-on experience in API design and proxy development using Apigee Edge, X, and/or Hybrid . Solid understanding of REST, JSON, XML , and modern API security patterns (OAuth2, JWT, mTLS, SAML/SSO). Experience deploying and operating applications on Kubernetes - with knowledge of pods, services, namespaces, helm, IP/ More ❯
slough, south east england, united kingdom Hybrid / WFH Options
rmg digital
company’s platform features and technologies from the ground up. Experience needed as a Back End Developer: 3+ years of Node.js development Type Script/Strong JavaScript skills React REST API development SQL Git More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Harrington Starr
party vendors. Required Skills & Experience: Proven E2E test automation experience using Playwright, Cypress, or Selenium. Expertise in UI testing (visual regression, responsive design, cross-browser). Strong API testing (REST/GraphQL) – automated and manual. Proficiency in JavaScript/TypeScript; Python experience is a plus. Solid understanding of Unix/Linux, SQL, and relational databases. Prior exposure to financial markets More ❯
calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative challenges across document parsing, data visualisation, and ML integration Who You Are 5+ More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Prism Digital
you’ll be doing: Design and build complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Contribute to the technical roadmap and influence best practices across squads Partner with QA, Product, and DevOps to deliver reliable features in agile sprints Implement and fine-tune CI More ❯
Dataverse, connectors, and integrations. Experience with Power BI, DAX, Power Query, and data modeling. Knowledge of SharePoint, Microsoft Teams, Azure Logic Apps, and Microsoft 365 ecosystem. Experience with JSON, REST APIs, and scripting (e.g., PowerShell or JavaScript). Familiarity with Agile methodologies and DevOps practices. Excellent problem-solving, communication, and interpersonal skills. Preferred Qualifications: Microsoft Certified: Power Platform App Maker More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Client Server
tech stack using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres, Redis You have experience of running production workloads on Kubernetes (Amazon EKS preferred) You have a good knowledge of DevOps practices including CI/CD, IaC (Terraform) and container More ❯
with engineers to define testable architectures and drive quality through code. Develop and execute advanced test strategies for Android, Linux, and IoT platforms. Create comprehensive test plans for APIs (REST, IPC), WebUI, and OTA updates. Enhance CI/CD pipelines with automated quality gates and documentation. Skills & Experience Strong coding skills in Python, Java, or similar languages for test automation. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
develop
including C/AL and AL languages. Knowledge of PowerApps, Power Automate, and Common Data Service (CDS). Database experience with SQL Server, Azure SQL, and MongoDB. Proficiency in REST APIs, SOAP, JSON, XML. Familiarity with Agile and DevOps approaches. Why join Work for a global brand known for offering lots of opportunity for professional development and growth Inclusive, global More ❯
slough, south east england, united kingdom Hybrid / WFH Options
The Developer Link
to-end. Supporting team growth through collaboration and mentoring. Working in an agile environment, continuously learning and contributing passion to the product. Skills and experience needed: Proven experience building REST APIs with scalability in mind. Strong Python knowledge and ecosystem expertise. Proficiency in SQL and writing efficient queries. Solid understanding of web fundamentals (HTML, CSS & JS). Strong communicator and More ❯
reading, south east england, united kingdom Hybrid / WFH Options
BCN
in Python, pandas, and scikit-learn for data science and feature engineering, with a strong focus on rigorous validation and experiment tracking. Skilled in deploying models to real-time REST endpoints and orchestrating batch inference pipelines. Capable of implementing MLOps practices including CI/CD pipelines, model registry, environment management, and promotion across dev/test/prod stages. Solid More ❯
You 4+ years of experience in full stack development Strong proficiency in Python (and experience with modern frameworks) Solid experience with React and TypeScript in production applications Familiar with REST APIs, web security best practices, and SQL databases Passionate about clean code, performance, and great UX Comfortable working in an agile, fast-moving team environment Strong communicator who thrives in More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Prism Digital
be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads Partner with QA, Product, and DevOps to deliver reliable features in agile sprints Implement and fine-tune CI/CD (TeamCity, Octopus More ❯
from March 2026. For this role I am looking for a Principal/Tech Lead Full Stack Java Developer with 8yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with leadership experience of driving high impact technical decisions - this role is 75% hands on/25% hands off leadership exp. Skills More ❯
streamline workflows. Foster engineering excellence : Promote engineering best practices across the team and inspire your peers to improve their skills and capabilities. Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding More ❯
Responsibilities ->Design and develop backend services using Node.js/Nest.js and TypeScript . ->Architect and optimise data models and infrastructure within PostgreSQL . ->Build and maintain APIs and integrations (REST, GraphQL, tRPC, WebSockets). ->Collaborate with front-end teams using React to deliver complete features. ->DevOps best practices, including Docker , Kubernetes , and AWS for deployment & CI/CD. ->Support high More ❯
slough, south east england, united kingdom Hybrid / WFH Options
X4 Technology
workflows - including card acquiring, alternative payment methods or digital wallets Strong problem-solving and communication skills, with the ability to translate business objectives into robust technical solutions Experience with REST APIs, SQL, and modern web technologies (JavaScript/React/Python/Postman API preferred) Familiarity with payment gateways, transaction routing and compliance frameworks (e.g. PCI DSS, PSD2, or Open More ❯
design, and microservices architecture (This will be tested) Proven record of complex software delivery in the Interest Rates domain Excellent Java 21, Spring Boot, strong practical experience with containers, REST APIs, and WebSockets Strong experience of Agile, SCRUM, and test-driven development processes Strong leadership experience (at least 5 years of leading a team) Contact Ciara Clarke at Harrington Starr More ❯
slough, south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
working directly with trading or business stakeholders to deliver pragmatic solutions. Nice to have Experience with derivatives or commodity trading workflows (metals experience a strong plus). Familiarity with REST APIs, message queues (Kafka/RabbitMQ) or real-time data feeds. Exposure to cloud platforms (AWS/GCP) and infrastructure as code. Background in statistical analysis or machine learning (applied More ❯
slough, south east england, united kingdom Hybrid / WFH Options
ClearWatt
internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed systems. Strong grasp of database design and query More ❯
Essential skills/knowledge/experience: Ability to conduct business and technical workshops with C-level stakeholders. Expertise in HTML, HTML5, Java Script, XML, Java, WCM, services-based architecture, REST, Web analytics, and tent targeting. Knowledge of CMS concepts and implementation. Excellent problem-solving skills, with a demonstrated ability to identify issues, solve them quickly and well, and know when More ❯
by thousands of users every day. We’re looking for: 👉🏼 3+ years’ commercial experience with React Native & React 👉🏼 Strong JavaScript/TypeScript development background 👉🏼 Solid knowledge of state management, REST APIs, HTTP, async programming 👉🏼 Hands-on experience integrating with AWS (Cognito, Amplify, S3) 👉🏼 Experience working with app stores (Apple/Google Play) 👉🏼 Ability to contribute to architecture, code quality, and More ❯