76 to 100 of 423 API Development Jobs

applications. This is a highly collaborative role for someone with a passion for software craftsmanship and continuous improvement. Using your 5+ years of backend development experience, you'll enhance core product features, design scalable systems, and work closely with relevant stakeholders to deliver technical solutions that drive real value. … Beyond your individual contributions, you'll mentor junior developers, champion best practices, and drive meaningful improvements in our development processes and tools. This is an opportunity to make a real impact; both through the systems you build and the team culture you help shape. As a Senior Backend Developer ...

seeking a skilled and passionate Java Fullstack Engineer to join our agile development team. You will play a key role in designing and building scalable backend microservices, configuring cloud-native DevOps pipelines, and contributing to our credit decisioning engine. This is a high-impact role focused on delivering resilient … focus on performance and reliability. Work closely with architects and product owners to define technical solutions aligned with business goals. Required Skills & Experience Backend Development: 5–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with ...

seeking a skilled and passionate Java Fullstack Engineer to join our agile development team. You will play a key role in designing and building scalable backend microservices, configuring cloud-native DevOps pipelines, and contributing to our credit decisioning engine. This is a high-impact role focused on delivering resilient … focus on performance and reliability. Work closely with architects and product owners to define technical solutions aligned with business goals. Required Skills & Experience Backend Development: 5–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with ...

Azure, AI Foundry, Open-AI, Microsoft Copilot Studio, Machine Learning, Python, TensorFlow, PyTorch, scikit-learn, Large Language Models, LLM, Data preprocessing, REST API, Microservices architecture, MLOps, CI/CD for ML, Power-BI, Docker, Kubernetes, AI Ethics, Cloud Platforms, AWS, Google Cloud Platform, SQL, NoSQL, DevOps, Financial services, Regulatory … Hybrid/Bedford Daily Rate: £600-£650 (via Umbrella) 9 months initial contract We are seeking two AI Solutions Engineers to lead the design, development, and deployment of AI solutions. This hands-on technical role focuses on building scalable AI-powered services for both B2B and B2C applications. ...

engineers and workflow architects to translate business challenges into technical solutions. • Ensure adherence to secure coding practices, including authentication, credential management, data protection, and API security. About You Python Development: Proficient in Python 3.x (OOP, data structures, exception handling, modules); experience with requests, pandas, numpy, asyncio, FastAPI/… automation. (Guardrails and Prompt engineering experience added advantage) Authentication & Security: Experience with MSAL authentication, secure coding practices (Key Vault, input validation, encryption), RBAC, and API key/credential management. Data Handling & Storage: Skilled in structured/unstructured data (CSV, JSON, XML, PDF, DOCX); efficient data processing and storage using ...

This is an opportunity to work on high-impact digital projects for purpose-driven organisations and contribute to the evolution of a modern, innovative development function. You will collaborate closely with strategists, designers, and developers to build exceptional web applications, take full ownership of development projects, and help … enjoys solving complex problems, and values craftsmanship in engineering. Tech stack: Vue.js, Nuxt, Headless CMS, Laravel or Node.js Key Responsibilities • Lead end-to-end development of bespoke, responsive websites and digital experiences • Build modern front-end interfaces with Vue.js, Nuxt and contemporary tooling • Develop and integrate backend services ...

Senior Backend Software Engineer (API, Cloud, Integration Focused) Location: Manchester/Hybrid (2 times a week in the office) Salary: Up to £75,000 (DOE) Sector: Tech For Good About the Opportunity How would you like to work on products designed to improve people's lives? This … Manchester as they embark on an ambitious roadmap of new products and services. They are looking for an experienced Backend Engineer with strong API development skills to help drive the next phase of their platform evolution. This role sits at the heart of their distributed architecture and plays ...

Senior Backend Software Engineer (API, Cloud, Integration Focused) Location: Manchester/Hybrid (2 times a week in the office) Salary: Up to £75,000 (DOE) Sector: Tech For Good About the Opportunity How would you like to work on products designed to improve people’s lives? This … Manchester as they embark on an ambitious roadmap of new products and services. They are looking for an experienced Backend Engineer with strong API development skills to help drive the next phase of their platform evolution. This role sits at the heart of their distributed architecture and plays ...

runs the project, you own the Solution Design . You will decide how the components fit together, define the coding patterns, and mentor the development team to ensure the vision is executed correctly. You will work heavily with the Microsoft UI stack (Razor/Blazor) or Angular 15+, backed … messaging patterns. Database Design: Architect data layers using Cosmos DB (NoSQL) or SQL Server, ensuring optimal performance for transactional data stores. Hands-On Development Core Engineering: Write the critical path code. You will build the complex REST APIs, background services, and reusable front-end components that the rest ...

direction into clear engineering milestones, and introduce or evolve agile ways of working to support effective delivery. Key responsibilities include: Leading the design and development of data driven digital products Advising on technical strategy and architecture decisions Translating leadership objectives into engineering roadmaps and milestones Mentoring and supporting engineers … through code reviews and training Driving agile delivery (SCRUM) and continuous improvement Backend and API development (e.g. Python, Django, GraphQL) Frontend development using JavaScript frameworks Database design and management (PostgreSQL) Data curation, transformation, and operational pipelines Cloud infrastructure, deployment, and DevOps practices Engaging with international stakeholders ...

system integration . Key Skills & Experience Proven experience as a Backend Python Developer , ideally within cloud environments. Solid understanding of microservice architecture and API development . Experience with AWS or Azure and containerisation (Docker, Kubernetes). Exposure to MLOps or AI model integration is desirable. Strong coding standards ...

strong growth and ongoing investment in their technology, they're looking to add another talented Full-Stack .NET Developer to their agile development team.The RoleYou'll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners and fellow engineers … contribute to all stages of development - from concept and design through to deployment and continuous improvement.Delivering high-quality, maintainable code that meets performance and security standards.Collaborating with designers, developers, and stakeholders in an agile team environment.Participating in sprint planning and design sessions, contributing to technical decisions.Troubleshooting and resolving complex ...

strong growth and ongoing investment in their technology, they're looking to add another talented Full-Stack .NET Developer to their agile development team. The Role You'll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners … fellow engineers, you'll contribute to all stages of development — from concept and design through to deployment and continuous improvement. Delivering high-quality, maintainable code that meets performance and security standards. Collaborating with designers, developers, and stakeholders in an agile team environment. Participating in sprint planning and design sessions ...

strong growth and ongoing investment in their technology, they're looking to add another talented Full-Stack .NET Developer to their agile development team. The Role You'll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners … fellow engineers, you'll contribute to all stages of development — from concept and design through to deployment and continuous improvement. Delivering high-quality, maintainable code that meets performance and security standards. Collaborating with designers, developers, and stakeholders in an agile team environment. Participating in sprint planning and design sessions ...

strong growth and ongoing investment in their technology, they’re looking to add another talented Full-Stack .NET Developer to their agile development team. The Role You’ll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners … fellow engineers, you’ll contribute to all stages of development — from concept and design through to deployment and continuous improvement. Delivering high-quality, maintainable code that meets performance and security standards. Collaborating with designers, developers, and stakeholders in an agile team environment. Participating in sprint planning and design sessions ...

strong growth and ongoing investment in their technology, they're looking to add another talented Full-Stack .NET Developer to their agile development team. The Role You'll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners … fellow engineers, you'll contribute to all stages of development - from concept and design through to deployment and continuous improvement. Delivering high-quality, maintainable code that meets performance and security standards. Collaborating with designers, developers, and stakeholders in an agile team environment. Participating in sprint planning and design sessions ...

C# Developer/Software Engineer (C# .Net SQL API) London onsite to £90k Are you an ambitious and motivated C# Developer looking for an opportunity to progress your career, working on complex and interesting systems? You could joining a global sports trading firm, earning substantial bonuses. What … Salary to £90k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Your role: As a C# Developer within the trading engine team you'll collaborate to design and develop real-time trading ...

components. Collaborate with product, engineering, and QA teams to deliver secure, scalable solutions. Support the migration and refactoring of legacy ColdFusion code to modern development standards. Troubleshoot performance issues, implement fixes, and ensure best practices in coding and testing. Contribute to documentation, code reviews, and continuous improvement initiatives. ColdFusion …/CFML (Adobe ColdFusion or Lucee). Proficient in SQL and relational databases such as MySQL, PostgreSQL, or SQL Server. Solid understanding of REST API development, integrations, and modern application architecture. Familiarity with JavaScript frameworks (e.g., Vue.js, React) and front-end best practices. Experience with Git, CI/ ...

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 ...

develop solutions that deliver AI capabilities to end users in AWS environments. This role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working on cutting … applications from frontend to model serving Build intuitive user interfaces Develop scalable backend systems using Python and Go for model inference, data pipelines, and API services Develop sophisticated prompt engineering strategies for LLM-based features, including few-shot learning, chain-of-thought reasoning, and retrieval-augmented generation Optimize models ...

develop solutions that deliver AI capabilities to end users in AWS environments. This role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working on cutting … applications from frontend to model serving Build intuitive user interfaces Develop scalable backend systems using Python and Go for model inference, data pipelines, and API services Develop sophisticated prompt engineering strategies for LLM-based features, including few-shot learning, chain-of-thought reasoning, and retrieval-augmented generation Optimize models ...

develop solutions that deliver AI capabilities to end users in AWS environments. This role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working on cutting … applications from frontend to model serving Build intuitive user interfaces Develop scalable backend systems using Python and Go for model inference, data pipelines, and API services Develop sophisticated prompt engineering strategies for LLM-based features, including few-shot learning, chain-of-thought reasoning, and retrieval-augmented generation Optimize models ...

develop solutions that deliver AI capabilities to end users in AWS environments. This role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working on cutting … applications from frontend to model serving Build intuitive user interfaces Develop scalable backend systems using Python and Go for model inference, data pipelines, and API services Develop sophisticated prompt engineering strategies for LLM-based features, including few-shot learning, chain-of-thought reasoning, and retrieval-augmented generation Optimize models ...

develop solutions that deliver AI capabilities to end users in AWS environments. This role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working on cutting … applications from frontend to model serving Build intuitive user interfaces Develop scalable backend systems using Python and Go for model inference, data pipelines, and API services Develop sophisticated prompt engineering strategies for LLM-based features, including few-shot learning, chain-of-thought reasoning, and retrieval-augmented generation Optimize models ...

develop solutions that deliver AI capabilities to end users in AWS environments. This role is perfect for someone with expertise in Open-source, API development, fine-tuning LLMs, and integrating AI into scalable applications. If you thrive in an AI-driven development environment, enjoy working on cutting … applications from frontend to model serving Build intuitive user interfaces Develop scalable backend systems using Python and Go for model inference, data pipelines, and API services Develop sophisticated prompt engineering strategies for LLM-based features, including few-shot learning, chain-of-thought reasoning, and retrieval-augmented generation Optimize models ...