18 of 18 Contract API Development Jobs

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 ...

hybrid role that will be based in London. Our client is seeking a hands-on AI Chatbot Technical Lead to drive the development and enhancement of their Service Management Chatbot. This is a key role for someone with deep technical expertise in Python, LangChain, and OpenAI services, particularly within … Azure environments. You will lead the technical delivery of the client’s Chat API, ensuring it is robust, scalable, and continuously improving. Responsibilities Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps Monitor and resolve API ...

seeking an experienced Full Stack Developer to join our team on a short-term contract. This role involves both front-end and back-end development, requiring strong skills in Java, Python, and API development. You will be instrumental in building and maintaining scalable, high-quality applications that deliver … mobile responsive design. Required Skills & Qualifications: Proven experience as a Full Stack Developer. Strong proficiency in Java and Python. Hands-on experience with API development and integration. Solid understanding of HTML, CSS, JavaScript, and modern front-end frameworks (e.g., React, Angular, or Vue). Experience with databases ...

Avoid repetition) Formal training or certification on software engineering concepts and advanced applied experience Advanced in Python & PySpark or Scala Experience in API development and exposure to Python Application development Hands-on practical experience delivering system design, application development, testing, and operational stability Proficient … aspects of the Software Development Life Cycle Advanced understanding of agile methodologies such as CI/CD, Applicant Resiliency, and Security Practical cloud native experience and knowledge on Kubernetes Your Profile Key Skills/Knowledge/Experience (Up to 10, Avoid repetition) Familiar with any Cloud environment and knowledge ...

standards. Implement business logic, data access layers, and integrations with internal and external systems. Develop and enhance RESTful APIs, following defined contracts and API standards. Write clean, maintainable, well-tested code, adhering to agreed engineering best practices. Contribute unit and integration tests to ensure functional correctness and regression safety. … assigned work. Follow established security, performance, and reliability guidelines when implementing backend changes. Skills & Experience Core backend engineering 3-6+ years of backend development experience. Strong experience with Python or equivalent backend frameworks. Solid understanding of REST API development, request/response models, and error handling. ...

APIs and Azure cloud services. Participate in agile ceremonies and work closely with stakeholders throughout the project lifecycle. Key Skills & Experience Strong front-end development skills (HTML, CSS, Blazor, JavaScript). C# .NET and API development experience Familiarity with Azure cloud services. Strong SQL skills, MongoDB would ...

IR35 500GBP/Day 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) Nice to have Exposure on enhancing ...

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 ...

Description: Python developer is 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 and 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) Nice to have Exposure on enhancing observability with knowledge ...

week Key Skills Required Mainframes CICS Webservices Required Skills Experience working in ZOS Connect EE and DB2 REST, with extensive knowledge in CICS webservices. Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL, and JSON, with a comprehensive understanding … including OOP and functional programming (Java 8+). Familiarity with Spring Boot annotations, configuration, and how it simplifies Spring application setup and deployment. RESTful API development experience. Option 2: Integration & Middleware Skills Hands-on experience using DataPower appliances. Development experience using XSLT, Gateway Script, and XPath. ...

Fluent UI Backend & Cloud ASP.NET Core (C#) or Node.js Azure Functions and/or Azure App Service Azure SignalR or WebSockets Microsoft Graph API (Teams, users, meetings) Architecture & Concepts Real-time systems Role-based identity and permissions Secure enterprise authentication High-availability, fault-tolerant design What We’re Looking … Essential Proven experience building custom Microsoft Teams applications Strong Microsoft 365 and Azure experience Solid React and TypeScript skills Backend API development experience (C#/.NET or Node.js) Experience with real-time communication patterns Strong enterprise UX mindset — clear, accessible, and foolproof Ability to work with platform constraints ...

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 ...

Analysts. Required Skills & Experience: Recent Java 21 (or later) experience. Expertise in TDD, BDD, and large microservice architectures. Agile environment experience, pair programming, and API development. Strong knowledge of automated testing and continuous deployment. Ability to communicate technical concepts to non-technical audiences. Unix/Linux/ ...

Matillion ETL and SQL Experience designing and managing Snowflake Data Warehouse solutions Strong experience with Qliksense, data modelling and self-service analytics Experience in API Development What you'll get in return An exciting opportunity to join an international organisation in financial services. Furthermore, a competitive day rate ...

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 ...

Role: API Developer Location: Sheffield, UK Position Type: Contract Inside IR35 Implementation Partner – HSBC Remote work option Available: Hybrid – 2 Days Onsite Job Description: YOUR RESPONSIBILITIES To be a pro-active, collaborative and inquisitive member of the DevX Standards and Controls leadership team. This role supports the head … enhance the standards in collaboration with various stakeholders. Lead/facilitate product planning and prioritisation to deliver towards a future vision for where API standards go and how the tooling aligns to this. Align and communicate roadmaps for the product to the customers Run customer forums for API ...