19 of 19 Contract API Development Jobs in England

services , supporting mobile applications within a large, regulated environment. Role Overview This role is hands-on and delivery-focused, requiring deep experience in RESTful API development , microservices architecture , and secure, scalable backend systems . You will work closely with engineers, security specialists, and product teams in an Agile … delivery model . Mandatory Skills & Experience Strong hands-on experience with Golang JAX-RS (Java API for RESTful Web Services) – mandatory Java, Microservices, Spring & Spring Boot Hands-on experience implementing microservices architectures REST API design and development Microservices authorization using OAuth 2.0 Java 8+, including multithreading Spring ...

/Feb 2026 Job Type: 12-month (Inside IR35 Contract) Company Introduction: We are currently recruiting for a Python Developer with experience in API development for an exciting contract at our global client in the finance sector. Required Skills/Experience: Hands-on experience with API development … Prometheus, Grafana, and OpenTelemetry. Advantageous to have enterprise tools knowledge (i.e., Control M, True sight, Guardium, Tenable Nessus, Delinea) Knowledge of Security and Software Development in a Highly regulated environment End-to-end knowledge of build, package, test, and deployment of CI/CD pipelines. Experience using Agile practices ...

GenAI, Gemini, or open-source LLMs; train, fine-tune, and onboard new LLMs Experience in building GenAI applications using Python Hands-on experience with API development and microservices architecture and end-to-end integrations Knowledge of RAG (Retrieval-Augmented Generation) and ADK, MCP Solid understanding of LLMs, prompt … engineering, and graph-based workflows Hands-on experience with API development and microservices architecture Experience in CI/CD pipelines and containerization (Docker/Kubernetes), Harness, and Git Actions Build scalable data pipelines and workflows on GCP (Big Query, Vertex AI, Dataflow, Pub/Sub, Redis and NoSQL ...

Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub Demonstrate good proficiency working with the MuleSoft Anypoint Platform MuleSoft Certified: MuleSoft MCD or MCA certification Knowledge of API-management and micro-services 15 to 20+ years hands on experience in integration development …/SQL will be considered an advantage. Understanding of interface automated testing and troubleshooting. Experience working as a member of a small agile software development team, eg, participating in planning sessions and interpreting user stories, doing code reviews, pair programming. ...

Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub Demonstrate good proficiency working with the MuleSoft Anypoint Platform MuleSoft Certified: MuleSoft MCD or MCA certification Knowledge of API-management and micro-services 15 to 20+ years hands on experience in integration development ...

MariaDB Database Backups from Learning Pool - Existing Data Lake assets - Power BI consumption layer In parallel, they are implementing Learning Pool User Provisioning via API, enabling automated CRUD operations for LMS accounts. A dedicated resource is required to deliver the ingestion pipelines, modelling, API integrations, and operational components. … API Development - Build integration to the Learning Pool External Extended API for Create, Retrieve, Update, and Delete LMS users. - Implement all mandatory and optional schema attributes, including: Organisation hierarchy Position hierarchy Manager/appraiser assignments Custom fields Preferences Implement robust error-handling for all LP error codes. ...

office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design … collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure ...

networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login, MFA, and client authentication Proficient with IaC, CI/CD (CloudFormation ...

Till 30 November 2026 Job Description: Python developer responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands on experience with API development using Python and FastAPI. Strong problem-solving, debugging, and analytical skills. Responsibilities: Design, develop and maintain automation solutions for databases operations … rollouts Build and Integrate API for Database Management Operations and automation workflows Troubleshoot automation issues across scripting, API s and containerized environments. Containerize and deploy application/services using Docker and Kubernetes Administration for Kubernetes Resources (Pods, Ingress, Services, Secrets, CRDs, etc) Exposure on enhancing observability with knowledge ...

currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space. What you'll need to succeed : Extensive Python application development experience within financial services - must have. Strong … API development experience. Strong experience with Django or similar. Javascript experience - nice to have. Strong risk knowledge, and a good mathematical background. Extensive experience working with and analysing large quantities of data. Strong SQL experience. What you'll get in return: Up to £900pd umbrella. London-based hybrid ...

building scalable automation solutions to streamline database operations. Responsibilities: Design, develop and maintain automation solutions for databases operations and rollouts Build and Integrate API for Database Management Operations and automation workflows Troubleshoot automation issues across Scripting, APIs and containerized environments. Containerize and deploy application/services using Docker … Kubernetes Administration for Kubernetes Resources (Pods, Ingress, Services, Secrets, CRDs, etc) Required Skills. Hands on experience with API development using Python and FastAPI. Strong problem-solving, debugging, and analytical skills. Nice to have Exposure on enhancing observability with knowledge of tools such as Prometheus, Grafana, and OpenTelemetry. Advantageous ...

Title : Workday Integration Developer 3 months Remote Inside IR35 - umbrella only Role requirements: Minimum of 3 years of experience with Workday HCM integrations - development, maintenance & support. Experience of Workday Integration Tools: Proficiency with Workday's integration tools and technologies, including Workday Studio, Enterprise Interface Builder (EIB), and Workday … PECI & PICOF. Programming Languages: Knowledge of programming languages such as XSLT for data transformation and scripting languages like JavaScript or Groovy for custom integrations. API Integration: Experience with RESTful and SOAP APIs to connect Workday with other systems and applications. Data Formats: Familiarity with various data formats like ...

focused engineering team building modern, scalable applications using React Native (Web) and Java . This is a hands-on role requiring strong full-stack development capability, disciplined engineering practices, and experience working in Agile environments. The role involves contributing across the full software development lifecycle, from design … development through testing, deployment, and ongoing support, with a strong emphasis on code quality, security, and automation. Key Responsibilities Design, develop, and maintain React Native (Web) applications with a focus on performance, reliability, and maintainability Build and support Java-based backend services for enterprise-scale applications Design and implement ...

with a talented engineering team to deliver high-quality solutions in a fast-paced environment. Requirements: Strong experience with Ruby on Rails Familiarity with API development and microservices architecture Exposure to data-intensive applications If this sounds like a good fit, please apply, or feel free to reach ...

PAYE THROUGH UMBRELLA Role Description: We are seeking a highly skilled Salesforce Full Stack Developer with strong expertise in Java, Apex, and RESTful API development. The role involves designing scalable Salesforce solutions, building high quality integrations, and contributing to automated testing and CI/CD practices across development … maintain Back End components using Java and related frameworks. Develop and document RESTful APIs, ensuring high performance, security, and reusability. Create and maintain API specifications using OpenAPI Specification (OAS)/YAML. Build integrations between Salesforce and external systems using REST/SOAP APIs or custom integration frameworks. Write high ...

Rate:Competitive | Inside IR35 Role Description: We are seeking a highly skilled Salesforce Full Stack Developer with strong expertise in Java, Apex, and RESTful API development. The role involves designing scalable Salesforce solutions, building high quality integrations, and contributing to automated testing and CI/CD practices across development workflows. Required Skills & Experience 5+ years of development experience combining Salesforce (Apex, LWC, Visualforce) and Java. Strong experience in RESTful API design and Back End service development. Hands-on proficiency in OpenAPI (OAS) and API documentation in YAML. Strong understanding of unit testing approaches for both ...

Salesforce & React Native Specialists - London Atrium EMEA are looking for several Open Stack/Salesforce & React Native Specialists to support the Development teams onsite with a client in London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. - Salesforce & ReactNative - Salesforce, ReactNative (Web), Java … RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, SonarQube, Veracode, Jira, Confluence - Salesforce BA, ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence - API Developer - Java, TDD, RESTful API ...

Open Stack, Salesforce & React Native Specialists - London Atrium EMEA are looking for several Open Stack/Salesforce & React Native Specialists to support the Development teams onsite with a client in London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. Open Stack/Salesforce & ReactNative … Salesforce, ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, SonarQube, Veracode, Jira, Confluence Open Stack BA - Salesforce, ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence API ...

support continuous improvement of business performances and customer experience. We're looking for a talented individual seeking out latest trends and techniques in email development to help M&S take the next step. Please include a link to your portfolio as part of your application. Your Responsibilities … Essential Skills/Knowledge/Experience (Up to 10) Strong understanding of HTML/CSS for responsive email. Strong understanding and experience in SFMC API development. Strong understanding and experience in SSJS scripting + relevant scripting languages. Experience using Salesforce Marketing Cloud and Content Builder to deliver automated email ...