151 to 175 of 201 API Development Jobs in England

architecture Programming proficiency in Python with AI/ML frameworks RAG systems and vector database experience Previous experience in educational technology, AI/ML applications, or digital learning product development (desirable) Proven experience in database design, API development, and data pipeline management Cross-cultural competency in diverse educational contexts Deep ELT methodology knowledge and curriculum development More ❯

architecture Programming proficiency in Python with AI/ML frameworks RAG systems and vector database experience Previous experience in educational technology, AI/ML applications, or digital learning product development (desirable) Proven experience in database design, API development, and data pipeline management Cross-cultural competency in diverse educational contexts Deep ELT methodology knowledge and curriculum development More ❯

Solutions Architect (Integration | API Design) St Albans (Hybrid) Compensation: £95,000 +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical design of mission-critical platforms and services. The Role: We're … disparate systems, and overseeing their seamless migration to a new, unified platform - ensuring zero downtime throughout. In addition, you'll lead the standardisation of tooling, practices, and documentation across development teams, establishing a single source of truth to drive consistency and quality in solution delivery. Key Responsibilities: Own and deliver end-to-end architecture across microservices, APIs, message buses … emerging technologies What We're Looking For: Proven experience in Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Ability to clearly document and present architecture decisions, trade-offs, and constraints to technical and More ❯

high-quality Python code following best practices. Continuously research and apply new tools, techniques, and technologies. Experience with: Cloud deployment,Neural networks and libraries like TensorFlow, XGBoost, CatBoost, SKlearn, API development, SQL,CI/CD, DevOps, or MLOps pipelines Experience with: Strong hands-on experience or genuine interest in data science and analytics. Proficiency in Python and familiarity … . Ability to work both independently and in collaborative teams. Understanding of machine learning applications to business problems. Strong communication and presentation skills. Experience with version control and software development practices. More ❯

high-quality Python code following best practices. Continuously research and apply new tools, techniques, and technologies. Experience with: Cloud deployment,Neural networks and libraries like TensorFlow, XGBoost, CatBoost, SKlearn, API development, SQL,CI/CD, DevOps, or MLOps pipelines Experience with: Strong hands-on experience or genuine interest in data science and analytics. Proficiency in Python and familiarity … . Ability to work both independently and in collaborative teams. Understanding of machine learning applications to business problems. Strong communication and presentation skills. Experience with version control and software development practices. More ❯

services C# Queues TypeScript Docker Angular NodeJS CI SQL Server Document databases Hands-on experience writing automated tests including unit tests Technology .Net Core, Blockchain Challenges Greenfield Blockchain platform, API development, industry-specific challenges Company Details Well-known fintech50 business located in the City of London with a 30-member flat Dev Team Compensation £80k salary, Bonus, Training More ❯

for your team Being able to define and oversee the technical implementation of a client project We'd love to talk to you if: You have strong knowledge of API development using Java, including ORM storage You actively facilitate and encourage knowledge sharing within the team and wider department You advocate for best engineering practices such as code More ❯

small, accomplished team with a proven track record of successfully building companies from the ground up. They are now seeking a developer to design the architecture and lead the development of back-end services and web applications.The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design … and development, product development, and deployment of applications on both iOS and Android platforms. A strong business orientation and pragmatic approach are essential, with a demonstrated ability to align deliverables with corporate vision while understanding and maximizing their business value.This is an excellent opportunity for a Full Stack Developer to join a company at the forefront of creating … role provides a clear pathway for career progression, with the potential to advance to a directorship position in a rapidly expanding market. The Role: Shaping the architecture and the development of back-end services and web applications AWS, React, Node, NoSQL Define and own the technical strategy for back-end and front-ends 1 day a week on site More ❯

scalability from architecture to deployment. Write clean, well-documented, and testable code using industry best practices. Debug, profile, and optimize applications to ensure a frictionless user experience. Lead the development of new features and the enhancement of existing ones. Collaborate with product, design, and hardware teams to deliver user-centric solutions. Contribute to key architectural and technical decisions as … a foundational engineering team member. Report directly to the CTO and help shape the future of the product and platform. About You 5+ years of experience in full-stack development, ideally in early-stage startups. Deep experience with Vue or React, including frameworks like Nuxt or Next. Proven experience with Ionic for mobile application development. Strong backend experience with … Node.js, Typescript, and databases including PostgreSQL and Redis. Skilled in API development, database architecture, and authentication methods. Experience with both DynamoDB and PostgreSQL in production environments. A track record of technical ownership, showcased through open-source contributions or public demos/projects. Detail-oriented with strong problem-solving skills and the ability to drive initiatives to completion. Comfortable More ❯

small, accomplished team with a proven track record of successfully building companies from the ground up. They are now seeking a developer to design the architecture and lead the development of back-end services and web applications. The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms. A strong business orientation and pragmatic approach are essential, with a demonstrated ability to align deliverables with corporate vision while understanding and maximizing their business value. This is an excellent opportunity for a Full Stack Developer to join a company at the … role provides a clear pathway for career progression, with the potential to advance to a directorship position in a rapidly expanding market. The Role: Shaping the architecture and the development of back-end services and web applications AWS, React, Node, NoSQL Define and own the technical strategy for back-end and front-ends 1 day a week on site More ❯

back-end systems. Support the IT team in resolving platform-related incidents and liaise with third-party providers when necessary. Stay up to date with best practices in .NET development, cloud computing, and modern software architecture. Contribute to system documentation, including design specifications and unit testing. Operational Excellence Demonstrate professionalism in all interactions with stakeholders and third parties. Provide … both technical and non-technical team members. Essential Knowledge, Skills & Experience Skills Strong expertise in C# and .NET Core/.NET 6+ development. Solid experience with RESTful and GraphQL API development. Understanding of database management (SQL Server, Entity Framework, or other ORM tools). Experience with Azure cloud services, including hosting, serverless functions, and application insights. Familiarity with DevOps More ❯

back-end systems. Support the IT team in resolving platform-related incidents and liaise with third-party providers when necessary. Stay up to date with best practices in .NET development, cloud computing, and modern software architecture. Contribute to system documentation, including design specifications and unit testing. Operational Excellence Demonstrate professionalism in all interactions with stakeholders and third parties. Provide … both technical and non-technical team members. Essential Knowledge, Skills & Experience Skills Strong expertise in C# and .NET Core/.NET 6+ development. Solid experience with RESTful and GraphQL API development. Understanding of database management (SQL Server, Entity Framework, or other ORM tools). Experience with Azure cloud services, including hosting, serverless functions, and application insights. Familiarity with DevOps More ❯

Drive innovation through prototyping and evaluation of emerging technologies What We're Looking For: Proven experience as a Solution Architect or Solution Designer Proficiency in cloud platforms skilled with API development, message buses and languages such as C#, Python, or PHP Excellent communication and stakeholder management skills Strategic thinker with a collaborative mindset and strong attention to technical More ❯

Drive innovation through prototyping and evaluation of emerging technologies What We're Looking For: Proven experience as a Solution Architect or Solution Designer Proficiency in cloud platforms skilled with API development, message buses and languages such as C#, Python, or PHP Excellent communication and stakeholder management skills Strategic thinker with a collaborative mindset and strong attention to technical More ❯

great developers ready to grow with us Location: Soho, London (onsite 4 days a week) Salary: Based on experience Must hold right to work in the UK. Main responsibilities Development and Design: Write clean, efficient, and maintainable code using TypeScript, JavaScript, Node.js, and React. Design and implement robust applications and services to meet predefined requirements. Code Review and Quality … a timely and effective manner. Continuous Learning: Stay up-to-date with new technologies and industry trends relevant to our tech stack. Actively contribute to the improvement of our development processes. Documentation: Create and maintain comprehensive documentation for the systems and processes developed, ensuring clarity for future maintenance and scalability. About you At least 3-5 years of professional … experience building modern web applications. Strong proficiency in TypeScript, JavaScript (ES6+), Node.js, and React, with a solid understanding of their ecosystems. Experience with modern development tools and practices, such as Git, CI/CD pipelines, automated testing frameworks (e.g., Jest, Mocha), and containerisation technologies (e.g., Docker). Knowledge of RESTful API design and development, and familiarity with More ❯

assessment, pricing, and portfolio analytics Document clearly and contribute to coding best practices for robust, maintainable systems Harness AI and machine learning tools to automate data analysis, accelerate feature development, and unlock impactful insights-enabling engineers to iterate faster and deliver greater value for users Required Experience and Skills Proven experience as a polyglot engineer (Kotlin and Python) Hands … on experience with AWS with Terraform Strong grasp of distributed systems design, data architecture, and API development Ability to communicate and collaborate effectively across disciplines Commitment to clean, well-documented, and maintainable code Interest in exploring emerging data and AI technologies For senior roles: Demonstrated mentorship and team development skills Bonus points for: Experience working in insurance More ❯

including code reviews, testing standards, CI/CD pipelines, and monitoring strategies for production NestJS/React applications. Qualifications 6+ years of full-stack engineering experience in SAAS and API development including deep expertise in Node.js/NestJS, PostgreSQL optimization, and React applications. A pragmatic mindset: you know when to ship and when to refactor. Excellent communication and More ❯

with relevant stakeholder management experience Experience scoping and building new data feeds and understanding how they get used by both internal and external stakeholders Experience with data delivery technology, API development and message queuing, preferably within sports Experience with AWS or similar technologies and infrastructure Some experience with REST and/or GraphQL APIs Experience working with baseball More ❯

software whilst continually challenging, motivating, mentoring and supporting their engineering teams. What you'll do Team Leadership : Oversee and guide the engineering team within Pega, collaborating closely with business, development, and UK onsite teams to foster innovative solutions. Technical Oversight : Facilitate code reviews, resolve defects, and mentor team members, including junior engineers and partner resources. Project Management : Handle broader … Certified Lead System Architect/CSSA : with at least 5 years of experience in Pega. Experience with Pega 8.x : Required in either Pega Business or Pega Technical Environment. REST API Development : Must have experience in building REST APIs. Pega Architecture : Strong understanding of Pega architecture and supporting infrastructure. Cloud-Based Pega Applications : Experience in supporting Pega applications on … application frameworks like CLM (Customer Lifecycle Manager), Customer Service, Smart Disputes, etc. Application Design : Experience in designing applications from scratch within Pega, including class structure and organizational design. Solution Development : Previous experience in analysis and design of solutions, prototyping, building, testing, implementation, and application support. Wider skills: Agile Delivery : Experience working in an Agile delivery environment. Clear Communication : Familiar More ❯

Engineering team toward the creation of a global marketplace meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Key Responsibilities Lead initiatives to enhance the e-commerce capabilities, aligning with the trend towards personalised … mobile-first shopping experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability and performance, particularly for high-traffic events. Ensure compliance … large teams or projects in an eCommerce environment with Gross Merchandise Value above $500M. Deep understanding of global payment and regulations related to eCommerce platforms. Strong technical expertise in API development, coupled with a deep understanding of software architecture and design patterns. Expertise in cloud technologies, particularly AWS, with the ability to deploy and manage scalable cloud-based More ❯

the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration … modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services … AWS) or Microsoft Azure. API design and development. Knowledge of RESTful web services, SOAP, & other integration protocols Familiarity with API design & development best practices Strong problem-solving skills & ability to troubleshoot integration issues. Good communication & teamwork skills Strong understanding of Agile development methodologies & experience working in an Agile environment Nice to Have Skills: Experience with cloud More ❯

Backend Software Engineer/Developer (Golang Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … days a week (also the possibility to be remote in the UK). About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … to £110k Hybrid working (x3 days office) Impactful role with excellent career growth opportunities Apply now to find out more about this Backend Software Engineer/Developer (Golang Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯

have relevant experience as a Solution Architect within the Insurance sector to be considered for this role. What will you do as a Solution Architect Take accountability for the development, agreement and maintenance of an end-to-end solution architecture for the project – Ensuring you meet business requirements and align to the overall blueprint Collaborate with stakeholders, tech SMEs … performing digital experiences in insurance for customers and staff Strong EIS/Guidewire or other Core Insurance platform provider expertise Strong Azure Integration technologies experience, including web services and API development (ideally with domain driven design exposure) Knowledge of Microsoft Dynamics 365 Sales and Service (including marketing automation technologies) Working knowledge of Amazon Connect Telephony technologies and integration More ❯

days onsite - 3 days remote. Our client is looking for an experienced Lead Data Engineer with the following skill set: Experience with Azure data services, Azure Data Factory (ADF), API development and integration, Databricks, Python programming, Unit testing, GIT version control, Data management and data governance, Data security. If this is you, get in touch ASAP and send More ❯

delivery. Required Skills & Experience: Proven background as a Software Architect or Lead Engineer. Strong experience with Swift, particularly in mobile app development. Exposure to Swift Vapor for server-side API development (desirable, not essential). Proficiency in modern JavaScript/TypeScript stacks Node.js, Angular. Experience in small or mid-sized software companies. Strong communication and collaboration skills. Salary More ❯