17 of 17 API Development Jobs in the South East

Development Manager - Digital & API

Hiring Organisation
Sanderson Recruitment
Location
Surrey, South East, United Kingdom
Employment Type
Permanent
Role: Development Manager - Digital & API Salary: Up to £100,000 per year + Bonus Location: Surrey Working Pattern: Hybrid - 2 days per week onsite (5 days per week during the first month) We're working with a well-established organisation embarking on a company-wide digital transformation programme … investing heavily in modern technology, API development and engineering capability. This is an excellent opportunity for an experienced Development Manager to lead Digital & API engineering teams through a significant period of change. You'll play a key role in driving modern engineering practices, supporting Agile delivery ...

Founding Engineering - Top London Software House

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
scale. About the Role As a Founding Engineer, you will have responsibility across the entire technical stack — from architecture and infrastructure through to product development and optimisation. You will operate with a high degree of autonomy, solving difficult engineering problems and establishing the foundations of the company’s technology. … systems. Solve complex technical challenges with speed and precision. Build prototypes, test ideas and rapidly iterate towards production solutions. Establish engineering standards, tooling and development practices. Optimise systems for performance, reliability and scalability. Work directly with founders to shape product strategy and technical direction. Take ownership of projects from ...

C# .Net Developer

Hiring Organisation
Pontoon
Location
Bromley, Kent, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
critical business applications built on modern Microsoft technologies, including .NET 6 and .NET 8. The successful candidate will work within a globally distributed development team, collaborating with both technical and business stakeholders across the UK (London, Bromley, Camberley) and internationally (Singapore, India, New York, and Chicago). The role … stability, performance, and scalability. Work closely with business users, analysts, and technical teams to gather requirements and deliver solutions. Participate in the full software development lifecycle, including design, development, testing, deployment, and support. Collaborate with globally distributed development teams across multiple locations and time zones. Contribute ...

Development Manager - Digital & API

Hiring Organisation
17918
Location
Surrey, United Kingdom
Role: Development Manager - Digital & API Salary: Up to £100,000 per year + Bonus Location: Surrey Working Pattern: Hybrid - 2 days per week onsite (5 days per week during the first month) We're working with a well-established organisation embarking on a company-wide digital transformation programme … investing heavily in modern technology, API development and engineering capability. This is an excellen... WKCL1_UKTJ ...

Full Stack Tech Lead – Node.js, React, Java Script

Hiring Organisation
Jobleads-UK
Location
Milton Keynes, England, United Kingdom
Responsibilities Provide technical leadership across development teams to ensure the design and delivery of high-quality, scalable, and maintainable software solutions Lead the design and development of key features, components, and services across the application stack Provide hands‐on guidance in building scalable applications using React, Node.js … implementation plans Collaborate with product owners, business analysts, and stakeholders to refine requirements and define solution approaches Produce and review technical design documentation, API specifications, and architectural artifacts Define and enforce coding standards, development best practices, and quality benchmarks Conduct code reviews to ensure maintainability, performance, and security ...

AI Platform Engineer

Hiring Organisation
Hays Technology
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£600/day £600 p/d Outside IR35
Implement Infrastructure as Code using Terraform. Establish and maintain CI/CD pipelines and GitHub Actions workflows. Embed security controls and governance into the development lifecycle. Help define engineering standards, reusable patterns and best practices. Coach internal teams and contribute to the organisation's growing AI capability. Essential Skills … Experience We're looking for candidates with strong experience in: Cloud & Platform Microsoft Azure Kubernetes Terraform GitHub Actions Development Python API Development REST APIs GraphQL AI & Automation Large Language Models (LLMs) GPT, Claude and/or Gemini AI Agents Retrieval-Augmented Generation (RAG) Vector Databases LLM orchestration ...

AI Platform Engineer

Hiring Organisation
Hays
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
Up to £600.0 per day + £600 p/d Outside IR35
Implement Infrastructure as Code using Terraform. Establish and maintain CI/CD pipelines and GitHub Actions workflows. Embed security controls and governance into the development lifecycle. Help define engineering standards, reusable patterns and best practices. Coach internal teams and contribute to the organisation's growing AI capability. Essential Skills … Experience We're looking for candidates with strong experience in: Cloud & Platform Microsoft Azure Kubernetes Terraform GitHub Actions Development Python API Development REST APIs GraphQL AI & Automation Large Language Models (LLMs) GPT, Claude and/or Gemini AI Agents Retrieval-Augmented Generation (RAG) Vector Databases LLM orchestration ...

Technical Architect-SC Cleared

Hiring Organisation
Triad Group PLC
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Architect to take a leading role in designing robust, scalable, and innovative technology solutions for our clients. You will work closely with stakeholders and development teams to ensure the alignment of technology with business goals, while championing best practices in architectural design and delivery. Key Responsibilities: Collaborate with development … lead and influence technical discussions Proven experience as a Technical Architect or similar role In-depth knowledge of system design, software architecture, and development methodologies Experience with cloud platforms (e.g., AWS, Azure, Google Cloud) Expertise in architectural design, data pipelines, cloud platforms, and API development Knowledge ...

Full Stack Engineer - ML/Gen AI

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£375 - £450 per day
architectural decisions and balancing technical trade-offs. Essential experience: Python, React and JavaScript/TypeScript AWS cloud engineering Chat or Messaging platform integration REST API development CI/CD pipelines Observability (logs, metrics, tracing and performance monitoring) Software architecture and distributed systems/microservices AI/LLM integration ...

Lead Software Engineer

Hiring Organisation
Masson Appointments Ltd
Location
Crawley, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
systems and own their reliability Tech Stack Skills: · Language: C# on .NET (primary, and what you’ll write every day) · Frameworks: ASP.NET Core (Web API), Azure Functions (isolated worker) · Database: SQL Server, accessed via Entity Framework Core and/or Dapper (you’ll write queries, design schemas, and optimise … 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: you’ve coached, mentored, or line-managed developers, and you get satisfaction ...

Senior Python Engineer

Hiring Organisation
Method-Resourcing
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
They're looking for an experienced Software Engineer who enjoys ownership and solving complex engineering challenges. You'll likely have experience with: Python REST API development Distributed systems or microservices SQL databases Cloud platforms (ideally Azure) CI/CD pipelines Test-driven development and automated testing Building … more. What's in it for you? Equity options Hybrid working 25 days holiday (as well as bank holidays) Private pension Dedicated learning & development budget Modern engineering culture with genuine technical ownership Cycle to Work & Green Car schemes Subsidised gym membership Employee rewards platform Annual volunteering day Life assurance ...

.NET Developer

Hiring Organisation
Capgemini
Location
Milton Keynes, United Kingdom
Employment Type
Full Time
client sites, and your home; noting that you will be unable to work at home 100% of the time. Your Role: Perform hands‐on development using the latest versions of .NET, C#, and frontend technologies including React and TypeScript. Build full‐stack solutions, integrating React/TypeScript user interfaces … with .NET backend APIs. Apply strong expertise in Object‐Oriented Programming (OOP), design patterns, SOLID principles, and architectural patterns. Contribute to the development of high‐volume, high‐availability enterprise-scale applications. Work within Agile delivery methodologies, ideally with experience in SCRUM. Design, optimize, and maintain database systems, with strong ...

Senior Cloud Engineer

Hiring Organisation
Mars Recruitment
Location
Southmoor, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 62,000 - 72,000 Annual
Azure CLI used regularly for automation, operational tasks, and reducing manual intervention. Azure Integration Services: proficient in Logic Apps, Service Bus, Event Grid, and API Management for integration design and implementation. API Development: solid experience with SOAP and REST APIs, including design, development, and secure management. … Summer event and 4 sponsored weekends a year. If you re an Azure Cloud Engineer looking for a career defining opportunity with progression and development, then please drop Lee at MARS an application. MARS Recruitment is an equal opportunities employer and positively welcomes applications from suitably qualified applicants regardless ...

Principal Business Analyst, Investment Technology

Hiring Organisation
Jobleads-UK
Location
Henley-on-Thames, England, United Kingdom
technologies. Strong background/education in the techniques and tools of data science and deep data analysis. Knowledge of AWS services, Microservices (Kubernetes, Docker), API Development and DevOps, or willingness to undertake training in these areas. Bachelor’s Degree in Management Information Systems or Computer Science is preferred ...

Principal Business Analyst, Investment Technology

Hiring Organisation
Invesco
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
education in the techniques and tools of data science and deep data analysis • Have knowledge of the capabilities of AWS services, Microservices (Kubernetes, Docker), API Development and DevOps, or a willingness to undertake training in these areas • Bachelor's Degree in Management Information Systems or Computer Science ...

Senior Applied AI Engineer - London - £150-190k

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£150,000 - £190,000 per annum
build AI-native applications leveraging LLMs, agents and multimodal AI frameworks. Develop and orchestrate agentic workflows using the Gemini Enterprise Agent Platform, Agent Development Kit (ADK) and Agent2Agent (A2A) protocol. Design and implement Retrieval Augmented Generation (RAG) architectures, Vector Search solutions and agent memory management. Deploy and manage … experience with Large Language Models, AI agents and modern orchestration frameworks. Experience working with Google Cloud AI technologies, particularly Gemini-based solutions. Strong Python development skills, with TypeScript experience highly desirable. Full stack development experience, with a particular strength in backend engineering and API development. Experience building ...

Full Stack Developer

Hiring Organisation
Technical Staffing Resources Limited
Location
Leatherhead, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £60 per hour
designing and maintaining an Integration Services Platform between our Business applications and our clients and clients supply chain systems, responsible for designing Web Based API solutions and middleware using Service Orientated Architecture with .NET to facilitate managed data flows between different organisations in a secure environment. Responsibilities Working with … Solution Technical Lead, API Developer will be directly responsible for all temporary and enduring technical documentation required to develop, test and handover APIs to BAU support; API Developer may be required to contribute toward more detailed solution designs for the wider platform. will be required to work alongside ...