51 to 70 of 70 API Development Jobs in England

Application Developer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
custom solutions with third-party and enterprise systems Leading project delivery and mentoring junior team members What you'll need 3+ years in software development with strong SharePoint, SQL Server, and .NET experience Solid C# skills web API development, Entity Framework, MVC SharePoint across multiple versions ...

AI Security Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
Security Engineer - Hybrid role in Finance - Up to £100,000 The Role - Build and lead the AI Security Services function, including capability development, tooling and operating models. - Establish secure patterns for model development, deployment and monitoring. - Develop guardrails, detection capabilities and response playbooks for AI-related incidents … Required Skills & Experience - Strong programming and scripting skills specifically python and bash. - Strong knowledge of cloud technologies specifically AWS and Azure. - Strong knowledge of API development and security. - Good understanding/interest in data science methods. - Experience using Python or Power Shell - Proof of using AI for security ...

AI Engineer (SC Cleared)

Hiring Organisation
Morgan Hunt Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
using trusted data sources Creating, testing and refining prompts, workflows and AI configurations to maximise accuracy and performance Applying solid software engineering practices including API development, version control, CI/CD and automated testing Monitoring and optimising AI systems in production, ensuring performance, cost control, security and compliance ...

Software Developer

Hiring Organisation
Anna Maher Recruitment
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £38,000 per annum
Dataverse • Supporting Power BI reporting and dashboards • Investigating and resolving technical issues • Supporting CRM-related functionality and integrations Required Skills: • .NET/.NET Core development experience • Power Platform experience or strong interest • SQL Server/T-SQL • API development • Umbraco CMS or similar platforms • Git version control ...

Lead Engineer in London - Daphne Technologies LLC

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/CD pipelines, and monitoring strategies for production NestJS/React applications. Qualifications 6+ years of full-stack engineering experience in SAAS and API development, with deep expertise in Node.js/NestJS, PostgreSQL optimization, and React applications. Proficiency in TypeScript/JavaScript, with a proven ability to drive ...

Automation Developer

Hiring Organisation
Guidant Global
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
technical audiences Support adoption and continual improvement of automation best practices Essential Skills & Experience Strong knowledge of JavaScript (particularly for rules engine API development) Understanding of SQL for database queries Experience working with JSON data structures Rudimentary knowledge of Java , particularly for data type definitions within ODM tools ...

Data Solution Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
products and services powering Springer Nature’s researcher brands. **About you** You’re happy working across teams and departments to align and coordinate the development and delivery of data-centric solutions. You spot risks and opportunities and fill in the gaps between delivery teams. You help remove blockers throughout … solving complex problems and seek feedback to quickly arrive at the best result. **Role Responsibilities:** Coordinate across teams to ensure consistent data product development and utilisation, establishing and delivering the defined data architecture. This includes working with the Data Architect to understand team needs, use cases, and constraints ...

Senior AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£95,000 - £130,000 per annum
Your Skills and Experience Strong commercial experience building AI powered systems in production Experience with LLM frameworks, retrieval systems and agent workflows Full stack development experience, including React Strong system design and API development capability Product focused mindset with a focus on usability and impact Experience ...

Senior Software Engineer, AI/ML Integration

Hiring Organisation
ECM Selection Ltd
Location
Guildford, Surrey, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
software engineering experience, ideally in engineering or scientific software dealing with large data volumes for an expert userbase Awareness of security and compliance considerations API development, for internal boundaries and potentially external usage Being involved in ensuring operational success through monitoring/diagnostics and troubleshooting for deployments … continuous improvement Languages of interest include Python, C++ and C#. Software may be desktop or web + cloud. Mobile app development is not a primary focus. AI and ML techniques are likely working with numerical data or imaging rather than natural language/LLM. The role offers a highly ...

GOG1JP00004398-Software Engineer (II)

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£349 - £369 per day
drive a massive roadmap spike for highly mature sales, marketing, and event analytics platforms. Your Toolkit Front-End Firepower: High proficiency in modern web development using the latest Angular (17/18) and TypeScript. Backend Mastery: Solid experience with API development, Object-Oriented Programming (OOP), and service ...

Salesforce Principal Engineer - 6-Month Contract - Inside IR35 - Hybrid (Windsor, 1 Day Onsite)

Hiring Organisation
Hamilton Barnes
Location
Windsor, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
environments. Key Responsibilities Provide technical leadership and architectural guidance across Salesforce delivery teams Define platform architecture, integration patterns, standards, and engineering guardrails Lead the development of scalable Salesforce solutions across Service Cloud and Industry Cloud environments Drive engineering best practices including CI/CD, testing, automation, observability, and secure … design principles Support API and integration architecture across enterprise platforms Champion AI-enabled engineering practices and continuous improvement initiatives Ensure platform reliability, resilience, and performance optimisation Key Skills Required Strong Salesforce engineering experience within complex enterprise environments Deep expertise in Salesforce Service Cloud and Industry Cloud solutions Strong hands ...

Senior Software Engineer - AI & Cloud Automation (London, Onsite)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
will work on automating engineering workflows, designing scalable cloud-native applications, and contributing to platform transformation projects. Strong skills in Python, cloud technologies, and API development are essential. #J-18808-Ljbffr ...

SC Cleared Tech Lead

Hiring Organisation
ARM
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£585 - £630/day Inside IR35
initial 6 month contract. The selected candidate MUST HAVE CQRS experience and event-driven-architecture. Acts as the technical lead for backend development within a pod, specialising in event-driven architecture and CQRS-based systems. Core Skills:CQRS (non-negotiable), Event Sourcing, .NET/Java/Python, Azure Service … API Development, Distributed Systems Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more ...

Head of Engineering – Client Experience

Hiring Organisation
Jobleads-UK
Location
Dean Street, England, United Kingdom
empower them through self‐service capabilities that reduce operational burden on our internal teams. You will oversee delivery of web‐based products with an API‐first cloud‐based approach, applying your knowledge to simplify and refine operational processes. What’s In It For Me? A flexible holiday plan … days per year £400 a year Wellbeing Allowance Private Medical Insurance Allowance for professional development books, E‐books, and podcasts Contributory pension scheme Employee, friends and family discounts across 1200+ retail, hospitality and lifestyle brands Flexible, Hybrid Working: Collaboration, connection as a team, and strong internal relationships are part ...

Head of Engineering (Client Experience)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
empower them through self‐service capabilities that reduce operational burden on our internal teams. You will oversee delivery of web‐based products with an API‐first cloud‐based approach, applying your knowledge to simplify and refine operational processes. What’s In It For Me? A flexible holiday plan … days per year £400 a year Wellbeing Allowance Private Medical Insurance Allowance for professional development books, E‐books, and podcasts Contributory pension scheme Employee, friends and family discounts across 1200+ retail, hospitality and lifestyle brands Flexible, Hybrid Working: Collaboration, connection as a team, and strong internal relationships are part ...

Integration Architect

Hiring Organisation
Jobleads-UK
Location
Salford, England, United Kingdom
scalable products and mentoring high‐performing engineering teams. Own end‐to‐end technical design and delivery across React, TypeScript, Vite, and Golang platforms. Define API standards, service architecture, and application design patterns. Lead engineering design reviews, code reviews, and technical decision‐making. Establish development standards, testing frameworks … risk management across delivery programmes. Minimum 5 years’ full‐stack engineering experience. Strong expertise in TypeScript, React, and modern front‐end development. Strong Golang development experience including microservices and API development. Experience designing cloud‐native SaaS platforms within AWS, Azure, or GCP environments. Must have knowledge of Open ...

Lead Oracle EBS HCM Architect: UK Core HR/Payroll

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strong grasp of integration and reporting requirements. Superior analytical and communication skills are essential for bridging technical and management perspectives. Experience with API development and knowledge of statutory reporting is a must, with a focus on enhancing client operations. #J-18808-Ljbffr ...

Head of Engineering, Client Experience & Platform Growth

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
onboarding. The role involves preventing client churn through enhanced engagement and self-service capabilities. The ideal candidate will have significant experience in B2B SaaS, API development, and managing large teams. The position offers a full-time contract with a salary between £110,000 and £137,000 per year ...

Applications Developer

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
aligned with business goals. What They Are Looking For Degree in Computer Science, Information Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience … with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage multiple projects. Excellent communication and collaboration skills. Why Apply? This is a fantastic opportunity to join a prestigious global organization that values innovation and offers a collaborative, forward-thinking environment. You'll work ...

Principal Consultant-Oracle EBS Core HR / Payroll Techno Functional-UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
custom forms, and performance tuning. Lead customer discussions regarding integrations, data migrations, and reports related to Core HR, Payroll, and other relevant modules. Guide development teams on customization (OAF, PL/SQL), integration (API, SOA Suite), and data migration (HDL, Web ADI). Ensure system design complies with … business processes, particularly in the UK public sector. Proficiency in Core HR and UK Payroll. Experience with Oracle SOA Suite, Integration Cloud (OIC), and API development. Knowledge of HCM technical tools including HDL, HCM Extract, BI reporting, Fast Formulae, custom forms, performance tuning, Oracle PL/SQL, OAF. Ability ...