1 to 25 of 35 Remote/Hybrid Permanent API Development Jobs

with FastAPI). A product-first mindset is essential, ensuring the entire stack delivers reliable, high-quality experiences. Key Responsibilities End-to-End Feature Development Design, develop, and deploy features across the full technology stack Translate product requirements into scalable technical solutions Build systems from database schema to backend … services to frontend components Frontend Development & User Experience Develop high-performance, responsive interfaces using React and Next.js Optimize usability, performance, and responsiveness Implement polished UI elements including animations, accessibility improvements, and micro-interactions Collaborate with product and design stakeholders to deliver intuitive user journeys Backend Development & API ...

with GenAI, Gemini or Open source LLMs, Train, finetune 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 Practical experience implementing LLM and GenAI solutions, including prompt engineering, model fine tuning, RAG pipelines, embeddings, and vector databases ...

role in developing a scalable, secure, and maintainable platform that integrates ecommerce, CRM, licensing, and other business-critical systems. This is a hands-on development role for a developer who thrives on complex, integrated systems, enjoys problem solving across the full stack, and wants to contribute to a mission … full-stack technologies. Develop new features and functionality for both front-end and back-end components in following best practices. Implement and maintain robust API integrations with internal and third-party systems. Assist in monitoring, troubleshooting, and resolving production issues to maintain system reliability and data integrity. Participate ...

design and build using the latest cloud technology.**What you’ll do...*** **Solution Design and System Integration:** Lead the design and development of robust software solutions using modern engineering techniques across GCP and Microsoft Azure stacks, aligned with Enterprise Architecture and Business Design strategy* **Thought Leadership:** A trusted advisor … solution governance across the Lab* **Delivering Design Outputs:** Such as Minimum Viable Designs and architecture decisions via formal governance processes* **Agile Methodologies:** Champion agile development practices, including continuous integration and test automation.**About you...**We're looking for an experienced individual who can thrive in a fast-paced environment ...

collaborative team, solving complex technical challenges and shaping the technical direction of our cross-platform SDKs, with a focus on Web & Mobile. Cross-platform development requires engineers who are comfortable working across languages and ecosystems. Success in this role comes from agency in your curiosity, strong problem-solving instincts … proven ability to understand and develop complex systems. At Invertase, engineers work with modern development workflows and emerging technologies, including AI-assisted tooling. We value engineers who are curious about new technologies and actively explore new tools as part of their development workflow. Much of our work also ...

data services, and cloud platforms. You will own end-to-end integration architecture, champion modern engineering standards, and guide engineers through best practices in API design, cloud-native development, and scalable integration patterns. This is a hands-on leadership role, ideal for someone who enjoys coding, problem-solving … steering technical direction while mentoring engineers and collaborating with product, data, and platform teams. What You'll Be Doing Lead the design, development, and delivery of integration solutions across a diverse technology ecosystem Develop secure, scalable APIs, services, and messaging-based integrations Champion best practices in engineering, DevOps, automation ...

Centre Salary - £50-60k + Excellent Benefits A leading enterprise software house is seeking an experienced Full Stack Developer to join its Birmingham development team. This hybrid role offers a great balance of flexibility and collaboration. The Software Developer will design, develop, and deliver scalable, high-performance applications … used by engineers and transport organisations across the globe. Key Requirements for this Full stack Developer: 5+ years experience with Node.js, & React Strong REST API development skills Solid current experience with C# in enterprise environments Knowledge of CI/CD, cloud infrastructure, and Azure DevOps Experience withCypress Testing ...

between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Developer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React, while collaborating closely with other … Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience ...

technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. ...

shape engineering standards, influence architectural direction, and remain actively engaged in production-level code. Expect an approximate 70/30 split between hands-on development and leadership responsibilities, flexing according to project phase and delivery requirements. You will work across: Bespoke web platforms and business-critical applications Mobile applications … built with React Native API integrations and backend systems A combination of greenfield builds and scalable legacy platforms This is a dynamic agency environment. Projects vary in scope and sector, and context switching is part of the role. Delivery methodologies include Scrum and Kanban, with two-week sprints typical. ...

technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. ...

pipelines and cloud deployments, and ensuring quality through automated testing. Key Requirements: 5+ years experience with Node.js, React/Next.js, and TypeScript Strong REST API development skills Solid current experience with C# in enterprise environments Knowledge of CI/CD, cloud infrastructure, and Azure DevOps Experience withCypress Testing … enterprise applications. Erin Associates Ltd acts as an Employment Agency for this vacancy. Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, , CI/CD, Azure DevOPs, Birmingham, West Midlands, Full Stack Engineer, Software Developer Erin Associates Ltd is acting as an Employment Agency ...

recruitment-fraud-alert/Role-Java Angular Developer Location: Manchester, UK Mode : Hybrid Contract inside IR 35 JD for your reference: Key Responsibilities EndtoEnd Development Design develop test deploy and maintain web applications from UI to database FrontEnd Create user interfaces and layouts using HTML CSS JavaScript and modern … developers in an Agile environment Essential Skills Qualifications Core Languages Java JavaScript HTML CSS Frameworks Spring Spring Boot FrontEnd React Angular Vue APIs RESTful API development and consumption Databases SQL MySQL PostgreSQL and NoSQL databases Tools Git Jira CICD tools Methodologies AgileScrum Soft Skills Problemsolving communication teamwork attention ...

pipelines and cloud deployments, and ensuring quality through automated testing. Key Requirements: 5+ years experience with Node.js, React/Next.js, and TypeScript Strong REST API development skills Experience with C# in enterprise environments Knowledge of CI/CD, cloud infrastructure, and Azure DevOps Experience with Jest or Vitest ...

SaaS business is hiring a Senior Back End Engineer to help build and evolve its platform, with a strong focus on modern AI-assisted development workflows. This is a hands-on role suited to someone who is already leveraging AI engineering tools day to day to improve speed, quality … across a modern TS/JS stack Working alongside legacy PHP systems, helping evolve and modernise the platform Using AI engineering tools to accelerate development, debugging and delivery Designing scalable services and clean system boundaries Integrating third-party APIs including AI, analytics and external services Collaborating closely with product ...

develop new functionality and make non-functional improvements to our products and services. Understand business requirements and how they translate into technical design and development projects and tasks. Participate in architectural and design discussions and diagnose and troubleshoot complex technical issues Work with stakeholders to progress and report … projects and tasks Building Voice Agents: Developing and maintaining our Go-based Voice Agent API Development: Contributing to our unified AI API that acts as the gateway between our telephony products and various AI providers Tool Creation: Developing "Tools" (Function Calling) that allow LLMs to interact with ...

across 37 countries, with more than 16,600 employees and an annual revenue of over 3.7 billion euros as of 2024. Project Description: Custom development projects with an impact on the governmental sector. Required Technical Skills: Bachelor's degree in Computer Engineering or related fields (Level … Portuguese QNQ) +7 years of experience with .NET Core +3 years of experience with ReactJS Strong experience in RESTful Web API development Proficiency with ORMs (Entity Framework Core or Dapper) Solid understanding of microservices architecture Experience with relational databases (SQL Server/PostgreSQL) Experience developing Web SPAs using ...

role focuses on developing reliable, high-performance backend services and supporting the infrastructure they run on. You’ll work primarily with Python, contributing to API development, system design, and automation, while ensuring everything is robust, maintainable, and production-ready. You’ll be part of a collaborative, remote-first … engineering team, working across the full lifecycle of backend development—from design through to deployment and ongoing improvement. What You’ll Do Build & Scale Backend Services Develop and maintain backend services using Python (FastAPI or similar frameworks) Design systems that are scalable, efficient, and reliable Turn product and technical ...

role focuses on developing reliable, high-performance backend services and supporting the infrastructure they run on. You’ll work primarily with Python, contributing to API development, system design, and automation, while ensuring everything is robust, maintainable, and production-ready. You’ll be part of a collaborative, remote-first … engineering team, working across the full lifecycle of backend development—from design through to deployment and ongoing improvement. What You’ll Do Build & Scale Backend Services Develop and maintain backend services using Python (FastAPI or similar frameworks) Design systems that are scalable, efficient, and reliable Turn product and technical ...

London, London Engineering Manager - Software & ML About this role We are looking for a Software Engineering Manager who brings a solid foundation in modern development and some experience with Machine Learning environments . You'll lead and grow a team that builds the core software powering our data-driven … Collaborate with Product Managers and Data Scientists to ensure ML models are effectively integrated into our production software. Build Robust Systems: Oversee the development of platforms that are performant, secure, and capable of handling the unique deployment needs of AI-powered features. Optimize Delivery: Enhance engineering and agile processes ...

with monitoring, logging and alerting solutions. • Ability to design, build and optimise cloud platform solutions. • Stakeholder management skills and confidence working across multiple teams. • API development experience. • Azure Data Factory knowledge is beneficial. What They Offer • Salary between £80,000 and £85,000 plus bonus. • Comprehensive benefits package ...

with monitoring, logging and alerting solutions. • Ability to design, build and optimise cloud platform solutions. • Stakeholder management skills and confidence working across multiple teams. • API development experience. • Azure Data Factory knowledge is beneficial. What They Offer • Salary between £80,000 and £85,000 plus bonus. • Comprehensive benefits package ...

skills: Minimum 4 years' commercial C# .NET experience. Strong SQL/MySQL skills (including complex queries). Experience with VueJS and/or Angular. API development and third-party integrations. AWS experience. Desirable skills: AI integration experience (e.g. OpenAI). Use of AI tools (e.g. Claude) in development ...

ongoing supported opportunities for both upskilling and career progression, and a lot more. Role Snapshot: This post offers a great mix of CRM architecture, API development, strategic automation and systems thinking; ensuring seamless data flow, scalable automation and reliable system interoperability across the organisation's marketing, sales, customer … bring to the table: Demonstrable record of working with Hubspot in a technical hands-on capacity Strong understanding of Hubspot APIs and custom app development Track record of integrating SaaS platforms (CRM/ERP/marketing automation/billing tools/etc.) Hands-on skills across ...

performing international team Ideal Background – B2B SaaS experience and startup mindset – 6+ years full-stack experience, can build end-to-end features – Proven REST API development with Python – Strong React + TypeScript skills – Bonus: Production level LLM integration experience – Work independently in a small, senior team, shaping architecture ...