London, England, United Kingdom Hybrid / WFH Options
Free-Work UK
team comprising Frontend Developers, QA Engineers, and DevOps Engineers. Your mission? To design, implement, and maintain robust microservices that facilitate clinical research. Key Responsibilities API Development: Design and implement REST APIs using Python (3.x) and FastAPI/Pydantic. Database Management: Develop relational schema designs, ORM, and database migration scripts (PostgreSQL). Dependency Management: Manage package dependency tools. Containerization: Containerize microservices … Collaboration: Work closely with DevOps Engineers on CI pipelines. Agile Participation: Actively engage in Agile ceremonies. What We're Looking For Technical Expertise: Extensive experience in designing and implementing REST APIs using Python (3.x) and FastAPI (Pydantic schema). Testing Proficiency: Skilled in writing unit and API tests. API Integration: Experience in developing clients for consuming external REST APIs. Security More ❯
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 ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
for designing and implementing scalable, high-performance cloud-native applications. The ideal candidate will have strong expertise in .NET Core 6+, C#, Azure services, and a deep understanding of REST APIs, microservices, and event-driven architectures. You will be expected to provide architectural guidance, collaborate with cross-functional teams, and contribute hands-on to the development process. Key Responsibilities: Architect … practices into solutions. Required Skills & Experience: 10+ years of software development experience, with 3+ years in an architectural role. Proficiency in .NET Core 6+ and C#. Strong expertise in REST API development and microservices architecture. Experience with Entity Framework (EF) Core or Dapper. In-depth knowledge of SOLID principles, design patterns, and object-oriented programming (OOP). Familiarity with dependency More ❯
full data lifecycle - from exploratory data analysis to the upkeep of production data flows. Focuses a majority of their time supporting the underlying environment and infrastructure used by the rest of the Data Engineering and Data Science teams. Required Qualifications: Bachelor's Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of … Graph, NoSQL, and/or Relational US Citizenship and an active TS/SCI with Polygraph security clearance required Desired Qualifications: Familiarity with AWS CDK Terraform, Packer Design Concepts: REST APIs Programming Languages: JavaScript/NodeJS Processing Tools: Presto/Trino, MapReduce, Hive The Swift Group and Subsidiaries are an Equal Opportunity/Affirmative Action employer. All qualified applicants will More ❯
of vested benefits. The app will launch in 2024, and this part-time equity-only role will transition into a paid full-time role after the launch. Responsibilities ● Build REST Services using C# and .NET Core. ● Maintaining and developing server-side network components. ● Maintaining the optimal performance of our central database and ensuring responsiveness to any front-end requests. ● Collaborating … internal infrastructure, and process enhancement. ● Full-stack development capabilities are a plus. Requirements ● Strong experience with programming languages like C#/.NET, Python or Java. ● Experience building services using REST or GraphQL. ● Good understanding of the entire product development lifecycle. ● Minimum 4 years developing web/mobile applications ● Minimum 4 years’ experience working with relational and document databases. More ❯
French would be useful. Required Technologies: C#/Web Services/Entity ASP.Net/SQL BDD/MS SQL Server Windows Fluent English Written/Spoken C PHP/REST/SOAP/JSON Oracle MSUnit/AWS/HSM/Jenkins/JIRA/SoapUI Agile Methodology Applicants are invited to apply as soon as possible in order to More ❯
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 ❯
good understanding of spoken French would be useful. Technologies: AFC C# Entity Framework Web Services ASP.Net SQL BDD MS SQL Server Windows Fluent English Written/Spoken C++ PHP REST SOAP JSON Oracle MSUnit AWS HSM Jenkins JIRA SoapUI Agile Methodology Applicants are invited to apply as soon as possible in order to be included in the shortlist. #J More ❯
City of London, London, 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 ❯
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 ❯
complex data flows that transform, enrich, and route information between disparate systems. Component Engineering – Extend the Zynk platform by developing new C# task adapters, connectors, and utilities that integrate REST/SOAP/GraphQL APIs, databases, and file systems. Data Transformation – Craft reusable XML schemas, XSLT stylesheets, and JSON mappings to translate between canonical and application‐specific data models. Integration … development experience. Expert knowledge of XML, XSD, XSLT 2.0/3.0, JSON, and related transformation libraries. Solid understanding of canonical data models, schema design, and common B2B integration protocols (REST, SOAP, GraphQL, FTP/SFTP, EDI). Hands‐on experience with message queuing or event streaming technologies (e.g., RabbitMQ, Azure Service Bus). Proficiency with GIT, CI/CD pipelines More ❯
Washington, Washington DC, United States Hybrid / WFH Options
Marathon TS Inc
of health care information systems and Federal health care systems is required. Experience must include the following: Java, J2EE, SOA services, Spring, Object Oriented Concepts, Data Structures, Apache, Tomcat, REST Services, Web technologies and internet protocols. Database driven application development such as Oracle, SQL, or schema design; HTML, AJAX, SOA: SOAP/RESTful Services. Knowledge of web services and SOA … related standards that include REST/OAuth/JSON. Knowledge of Windows and UNIX development environment, source code management such as Git and bug tracking. Java application debugging and DB performance issues; IBM WebSphere or other J2EE application servers. Must have an excellent understanding of computer science fundamentals, data structures, algorithms, and software design. Possess expertise in object-oriented design More ❯
this could be the right role for you. This is a great organisation to work for, they believe in supporting professional and personal development. .NET C# MVC Web APIs REST APIs HTML5/CSS3 jQuery Angular JS Google Map APIs EPiServer - EpiServer Commerce - EpiServer Find ImageVault - Or Similar Technology SOAP RDMS Previous Experience Working in an Agile Environment If you More ❯
Washington, Washington DC, United States Hybrid / WFH Options
Marathon TS Inc
of health care information systems and Federal health care systems is required. Experience must include the following: Java, J2EE, SOA services, Spring, Object Oriented Concepts, Data Structures, Apache, Tomcat, REST Services, Web technologies and internet protocols. Database driven application development such as Oracle, SQL, or schema design; HTML, AJAX, SOA: SOAP/RESTful Services. Knowledge of web services and SOA … related standards that include REST/OAuth/JSON. Knowledge of Windows and UNIX development environment, source code management such as Git and bug tracking. Java application debugging and DB performance issues; IBM WebSphere or other J2EE application servers. Must have an excellent understanding of computer science fundamentals, data structures, algorithms, and software design. Possess expertise in object-oriented design More ❯
practices for D365 development. Design and implement integrations between D365 Project Operations and other enterprise systems (e.g., D365 Finance, external ERPs, reporting tools) using various technologies (e.g., Dataverse, OData, REST APIs, Azure Logic Apps). Ensure data integrity and seamless flow of information across integrated systems. Collaborate with functional consultants and business stakeholders to translate business requirements into technical solutions … and supporting Dynamics 365 Project Operations (or its predecessor, Project Service Automation - PSA). Experience integrating D365 Project Operations with other systems using various methods (e.g., Dataverse APIs, OData, REST APIs, Azure Service Bus, Azure Logic Apps, Azure Functions). Knowledge of data migration strategies and tools for D365. Proficiency in SQL Server and understanding of database concepts. Experience with More ❯
from Figma into pixel-perfect, high-performance, front-end code. Work collaboratively within an Agile SCRUM team to deliver high-quality features on time. Integrate front-end code with REST APIs and back-end services written in C# . Improve existing user interfaces for ORCA's web applications. Contribute ideas to improve UI/UX and overall product quality. Participate … flex layouts, animations, accessibility best practices). Solid experience with Figma for creating UI/UX designs and prototypes. Strong HTML5 knowledge. Basic experience with C# and integrating with REST APIs . Experience with Git and working in GitLab environments. Understanding of Agile SCRUM methodologies. Portfolio : Proven design and development skills - we'll want to see your portfolio or examples More ❯
London, England, United Kingdom Hybrid / WFH Options
Xelix
Lead, Project Lead or Staff Engineer could be available to the right candidate. What you'll be doing Implementing robust and scalable solutions in Python. Developing, using and designing REST APIs to efficiently deliver application components. Implementing performance improvement strategies. Ensuring the quality of code by writing comprehensive tests and participating in code reviews. What you’ll bring Python coding … Ability to learn and apply new technology quickly Ability to effectively communicate complex technical concepts to team members and stakeholders. Desirable: Familiarity with coding in Django and the Django Rest Framework Degree in Computer Science (or similar), at 2:1 or above Amazon Web Services SQL/PostgreSQL Build pipeline and CI with GitHub, Jenkins, Docker, Terraform What we offer More ❯
Northern Ireland, United Kingdom Hybrid / WFH Options
Ocho
frontend components and applications using React and TypeScript • Translate complex FinOps workflows into usable, intuitive interfaces in collaboration with product and backend teams • Design and optimize API interactions using REST and GraphQL • Champion frontend performance through techniques such as code splitting , lazy loading , and caching • Prioritize security , implementing best practices in frontend/backend data flows • Contribute to UI/… frontend applications with React , TypeScript , JavaScript (ES6+) , HTML5 , and CSS3 • Proven ability to create high-performance, responsive, and accessible interfaces for data-rich SaaS platforms • Expertise integrating APIs using REST and/or GraphQL • Experience with frontend build tools, testing frameworks, and CI/CD best practices • Passion for clean UI design, usability, and a user-first development approach • Strong More ❯
keen to speak with candidates who have Strong experience as a ServiceNow Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture More ❯
keen to speak with candidates who have Strong experience as a ServiceNow Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture More ❯
keen to speak with candidates who have Strong experience as a ServiceNow Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture More ❯
keen to speak with candidates who have Strong experience as a ServiceNow Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture More ❯
keen to speak with candidates who have Strong experience as a ServiceNow Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture More ❯
keen to speak with candidates who have Strong experience as a ServiceNow Architect on integration projects, ideally within the public sector. Familiar with key integration technologies: SSO, SAML, SSL REST, SOAP, JSON LDAP, JDBC, ODBC SCP, FTPS, Web Services Experience with: JavaScript (HTML5, Jelly, jQuery, AngularJS) Agile/Scrum delivery Jira, Confluence, RabbitMQ, Apache Camel, DevOps Knowledge of: Microservices architecture More ❯