51 to 75 of 126 API Development Jobs

SC Cleared Node.js Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £560 per day + Inside IR-35
maintainable code Working with shared/common government tech stacks (Node.js, PostgreSQL, Redis) Investigating and resolving technical issues across the stack Applying secure development practices, including OWASP principles and vulnerability management Collaborating with stakeholders and communicating technical concepts clearly Tech stack includes: Node.js, HAPI (web framework) API development … DevOps, Jenkins, GitHub Actions) Jira and Azure DevOps for workflow management What we're looking for: Active SC Clearance (essential) Strong experience with Node.js development in production environments Ability to communicate with both technical and non-technical stakeholders Experience breaking down work, refining backlog items, and defining acceptance criteria ...

AI Software Engineer

Hiring Organisation
X-On Health
Location
Woodbridge, Suffolk, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£35,000
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 ...

Java Developer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Any
Salary
GBP Annual
seeking Software Engineers and Senior Software Engineers to support the delivery of secure, scalable, and resilient digital services. You will contribute to the design, development, testing, and deployment of software solutions while collaborating with multidisciplinary teams in an agile environment. Senior Software Engineers will also provide technical leadership, guide … integrate secure APIs and Back End services. Participate in solution design and technical discussions. Support testing, deployment and operational activities. Follow secure software development and DevOps practices. Essential Skills & Experience (Must Have) Java Spring Boot Kafka MongoDB API development and integration Basic understanding of Docker images ...

Python AI Engineer

Hiring Organisation
Crisil
Location
London, UK
Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applications, developing APIs and services to deploy AI models, and integrating them … with enterprise databases and cloud platforms. The candidate should be comfortable working across AI solution design, backend development, and data engineering. Key Responsibilities • Design and develop AI and Generative AI applications using Python. • Build backend services and APIs using Flask or Django for AI-powered systems. • Work with enterprise ...

Python AI Engineer

Hiring Organisation
Crisil
Location
London Area, United Kingdom
Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applications, developing APIs and services to deploy AI models, and integrating them … with enterprise databases and cloud platforms. The candidate should be comfortable working across AI solution design, backend development, and data engineering. Key Responsibilities • Design and develop AI and Generative AI applications using Python. • Build backend services and APIs using Flask or Django for AI-powered systems. • Work with enterprise ...

Python AI Engineer

Hiring Organisation
Crisil
Location
City of London, Greater London, UK
Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applications, developing APIs and services to deploy AI models, and integrating them … with enterprise databases and cloud platforms. The candidate should be comfortable working across AI solution design, backend development, and data engineering. Key Responsibilities • Design and develop AI and Generative AI applications using Python. • Build backend services and APIs using Flask or Django for AI-powered systems. • Work with enterprise ...

Full Stack Engineer

Hiring Organisation
Fimador
Location
London, UK
rsOversee software architecture, ensuring seamless integration with various platform s.Gather and analyse requirements, refining features and technical solution s.Lead the estimation process and ensure development work is accurately scope d.Debug existing code, maintain system performance, and drive best coding practice s.Manage defects and oversee their resolution across the development … strong focus on Java developme nt.Experience leading and/or mentoring technical teams within fast-paced, agile environmen ts.Expertise in microservices architecture, REST API development, and securi ty.Understanding of React, Java Springbo ot.Experience with version control (GIT preferred) and cloud platforms like A WS. It would ...

Full Stack Engineer

Hiring Organisation
Fimador
Location
City of London, Greater London, UK
rsOversee software architecture, ensuring seamless integration with various platform s.Gather and analyse requirements, refining features and technical solution s.Lead the estimation process and ensure development work is accurately scope d.Debug existing code, maintain system performance, and drive best coding practice s.Manage defects and oversee their resolution across the development … strong focus on Java developme nt.Experience leading and/or mentoring technical teams within fast-paced, agile environmen ts.Expertise in microservices architecture, REST API development, and securi ty.Understanding of React, Java Springbo ot.Experience with version control (GIT preferred) and cloud platforms like A WS. It would ...

Full Stack Engineer

Hiring Organisation
Fimador
Location
City of London, London, United Kingdom
rsOversee software architecture, ensuring seamless integration with various platform s.Gather and analyse requirements, refining features and technical solution s.Lead the estimation process and ensure development work is accurately scope d.Debug existing code, maintain system performance, and drive best coding practice s.Manage defects and oversee their resolution across the development … strong focus on Java developme nt.Experience leading and/or mentoring technical teams within fast-paced, agile environmen ts.Expertise in microservices architecture, REST API development, and securi ty.Understanding of React, Java Springbo ot.Experience with version control (GIT preferred) and cloud platforms like A WS. It would ...

System Developer

Hiring Organisation
Eligo Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
join our engineering team. This role offers the opportunity to work on scalable systems, modern applications, and cloud-based infrastructure while contributing to the development of innovative digital products and services. As part of a collaborative Agile team, you will work closely with engineers, product managers, designers, and other … technical design, architecture, and solution planning activities. Collaborate with cross-functional teams to deliver projects and product enhancements. Troubleshoot, diagnose, and resolve issues across development and production environments. Promote high standards of code quality, testing, and engineering best practice. Participate in Agile ceremonies and contribute to continuous improvement initiatives. ...

System Developer

Hiring Organisation
Eligo Recruitment Ltd
Location
Borough, Leicester Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
join our engineering team. This role offers the opportunity to work on scalable systems, modern applications, and cloud-based infrastructure while contributing to the development of innovative digital products and services. As part of a collaborative Agile team, you will work closely with engineers, product managers, designers, and other … technical design, architecture, and solution planning activities. Collaborate with cross-functional teams to deliver projects and product enhancements. Troubleshoot, diagnose, and resolve issues across development and production environments. Promote high standards of code quality, testing, and engineering best practice. Participate in Agile ceremonies and contribute to continuous improvement initiatives. ...

Software Developer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 70,000 Annual
seeking Software Engineers and Senior Software Engineers to support the delivery of secure, scalable, and resilient digital services. You will contribute to the design, development, testing, and deployment of software solutions while collaborating with multidisciplinary teams in an agile environment. Senior Software Engineers will also provide technical leadership, guide … technical discussions. Implement robust, scalable, and maintainable code. Collaborate with product managers, architects, and engineers. Support testing, deployment, and operational activities. Follow secure software development and DevOps practices. Contribute to continuous improvement initiatives. Additional Responsibilities for Senior Software Engineers Lead technical design and architecture discussions. Establish engineering standards ...

Amazon Connect Engineer/Lead Developer - 12-Month Contract - Swindon

Hiring Organisation
Hamilton Barnes
Location
Swindon, Wiltshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Amazon Connect-based omnichannel contact centre solutions including contact flows, IVR, routing strategies, queues, and agent experiences Develop Back End integrations using AWS Lambda, API Gateway, DynamoDB, S3, Kinesis, and REST APIs Implement AI/ML-driven automation using Amazon Lex, Contact Lens, Transcribe, and Kendra Support CI/… What You Will Ideally Bring: Strong hands-on Amazon Connect experience - contact flows, routing, and integrations - essential Proven experience with core AWS services: Lambda, API Gateway, DynamoDB, CloudWatch, and S3 Proficiency in Node.js, Python, or JavaScript with REST API development experience Solid understanding of contact centre technologies ...

Amazon Connect Engineer

Hiring Organisation
Vallum Associates Limited
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Contract
contact center solutions Build and manage contact flows, IVR, routing strategies, queues, and agent experiences (CCP/UI) Develop backend integrations using AWS Lambda, API Gateway, DynamoDB, S3, Kinesis, & REST APIs Implement AI/ML-driven automation using Amazon Lex, Contact Lens, Transcribe, Kendra services Support CI/… consulting support Essential skills/knowledge/experience: Strong hands-on experience with Amazon Connect (flows, routing, integrations) Proven experience with AWS services: Lambda, API Gateway, DynamoDB, CloudWatch, S3 Proficiency in Node.js/Python/JavaScript and REST API development Solid understanding of contact center technologies ...

Lead Software Engineer

Hiring Organisation
Masson Appointments
Location
Gatwick, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
production systems and own their reliability Tech Stack Skills: Language: C# on .NET (primary, and what youll write every day) Frameworks: ASP.NET Core (Web API), Azure Functions (isolated worker) Database: SQL Server, accessed via Entity Framework Core and/or Dapper (youll write queries, design schemas, and optimise performance … foundation . The Azure-specific skills can be learned on the job. Requirements: You Must Have 7+ years professional software development experience, primarily in C#/.NET, including time leading, mentoring, or coaching other engineers People leadership: youve coached, mentored, or line-managed developers, and you get satisfaction from ...

.Net Engineer

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
solutions providing market-leading services for our colleagues, customers and advisers. What you'll do The Engineer is responsible for the design and development of strategic software solutions, ensuring that requirements are met, best practices are followed and that all software developed is of a high quality and robust … nature. Working with Project Managers, Product Owners, Architects, Business Analysts and Testers the successful .Net Engineer will share responsibility for project feasibility, requirements, design, development, quality and delivery. They will need to work positively and effectively within teams of mixed abilities and experience and be adaptable within changing environments. ...

Lead AI Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Agentic AI tooling and orchestration frameworks LangChain/LangGraph PyTorch and ML libraries REST APIs Docker and containerisation CI/CD pipelines Git-based development workflows What we're looking for 4-6 years' experience within Software Engineering, AI Engineering, or Machine Learning Engineering roles Strong hands-on Python … engineering practices Exposure to Agentic AI frameworks or autonomous AI workflows Experience working with Azure and Databricks Good understanding of backend engineering and API development Experience collaborating across cross-functional engineering and product teams Ability to mentor or support junior engineers Strong communication and problem-solving skills Package ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/.NET, TypeScript or C++. Strong AWS and cloud-native engineering experience. Experience with Docker, Kubernetes and event-driven architectures. Strong backend engineering and API development experience. Experience building scalable distributed systems. Strong engineering mindset with a passion for modern technologies and AI tooling. Highly Desirable Commodity trading ...

Backend Engineer (Monitoring)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
robust error handling, retry logic, and graceful degradation strategies Monitor system performance and optimize bottlenecks to ensure sub-second latency for critical monitoring operations API Development Develop secure, well-documented RESTful APIs that allow users to integrate our monitoring tools into their workflows Implement authentication, authorization, and rate … protect users data and ensure fair resource usage Build webhook systems and real-time notification services to alert users about critical safety events Design API interfaces that are intuitive for developers while remaining flexible for diverse user use cases Design and implement integrations with Security Information and Event Management ...

Principal Engineer (Payments)

Hiring Organisation
Intec Select Ltd
Location
Wolverhampton, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£90000 - £115000/annum Hybrid + 25% bonus
Principal Engineer (Payments) Our long-term trusted partner, a leading financial services corporation, is hiring a Principal Engineer to drive the development and design of several greenfield retail banking platforms as our client continues on their digital transformation journey. This is a senior leadership position where the chosen engineer … product roadmaps, focus on architectural challenges, and provide hands-on technical leadership to a team of engineers. Your responsibilities will include: Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and can support the growth of the business. ...

Principal Engineer (Payments)

Hiring Organisation
Intec Select Ltd
Location
London, Fitzrovia, United Kingdom
Employment Type
Permanent
Salary
£90000 - £115000/annum Hybrid + 25% bonus
Principal Engineer (Payments) Our long-term trusted partner, a leading financial services corporation, is hiring a Principal Engineer to drive the development and design of several greenfield retail banking platforms as our clients rebuild their product portfolio as they continue on their digitial transformation journey. This is a senior … product roadmaps, focus on architectural challenges, and provide hands-on technical leadership to a team of engineers. Your responsibilities will include: Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and can support the growth of the business. ...

Senior Data Scientist - Biostatistics

Hiring Organisation
develop
Location
London, UK
life sciences and pharmaceutical organisations modernise and scale their statistical modelling capabilities. This role combines statistical expertise with modern data engineering practices, enabling the development of robust, reproducible, and production-ready analytical solutions. You'll work closely with biostatisticians, data scientists, and technical stakeholders to improve modelling approaches … complex statistical concepts into practical business and technical solutions Skills & Experience Essential Strong statistical background, ideally within Biostatistics Advanced R programming skills, including package development Experience with Git and collaborative development workflows Knowledge of CI/CD pipelines, automated testing, and software engineering best practices Strong understanding ...

Senior Data Scientist - Biostatistics

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
life sciences and pharmaceutical organisations modernise and scale their statistical modelling capabilities. This role combines statistical expertise with modern data engineering practices, enabling the development of robust, reproducible, and production-ready analytical solutions. You'll work closely with biostatisticians, data scientists, and technical stakeholders to improve modelling approaches … complex statistical concepts into practical business and technical solutions Skills & Experience Essential Strong statistical background, ideally within Biostatistics Advanced R programming skills, including package development Experience with Git and collaborative development workflows Knowledge of CI/CD pipelines, automated testing, and software engineering best practices Strong understanding ...

Senior Data Scientist - Biostatistics

Hiring Organisation
develop
Location
City of London, Greater London, UK
life sciences and pharmaceutical organisations modernise and scale their statistical modelling capabilities. This role combines statistical expertise with modern data engineering practices, enabling the development of robust, reproducible, and production-ready analytical solutions. You'll work closely with biostatisticians, data scientists, and technical stakeholders to improve modelling approaches … complex statistical concepts into practical business and technical solutions Skills & Experience Essential Strong statistical background, ideally within Biostatistics Advanced R programming skills, including package development Experience with Git and collaborative development workflows Knowledge of CI/CD pipelines, automated testing, and software engineering best practices Strong understanding ...

Senior AI Engineer Manager/Associate Director | Capital Markets

Hiring Organisation
Datatech
Location
Manchester, United Kingdom
Employment Type
Temporary
Applied AI engineering, ML engineering or software engineering background ·Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning ·Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks ·Experience with vector databases such as Pinecone, Chroma or similar ·API development experience, ideally with FastAPI ...