Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- St James
- Shoreditch
- The City, City (EC3)
- Southwark
- Winnersh
- Boyn Hill
- The City, City (EC2)
- The City, City (EC4)
- Abbotts Ann
- Camden
- City of London
- Central London
- South West London
- West End
- Reading
- South East London
- East London
- Uxbridge
- West London
- Southampton
- London
- Berkshire
- Hampshire
- Surrey
- Hertfordshire
- West Sussex
- Buckinghamshire
- East Sussex
- Kent
- South East
15 Permanent API jobs in West Sussex + 20 miles
)
Experience in creating front end and API automated test projects
Experience in creating front end and API automated test projects
)
Developer C#, .NET
Developer C#, .NET
Gold Group
East Grinstead (RH19)
£47500.00 - £52000.00 per annum + + benefits, Hybrid WFH
ASP.NET MVC4 / ASP.NET Core (MVC / API)
ASP.NET MVC4 / ASP.NET Core (MVC / API)
)
Lead Full Stack Ruby Developer
Lead Full Stack Ruby Developer
G.R.E. Recruitment Limited
Burgess Hill (RH15)
From £80,000 to £85,000 per annum
Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively
Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively
)
QA Engineering Lead SaaS
QA Engineering Lead SaaS
Client Server
Underhill Park, Reigate (RH2), RH2
£100000 - £130000 per annum + bonus + benefits
You have experience with C# test automation frameworks at all levels (unit, integration, API/system)
You have experience with C# test automation frameworks at all levels (unit, integration, API/system)
NEWPREMIUM
)
Location: Horsham (Hybrid) Salary: Up to £40,000 DOE *MUST HAVE VALID RIGHT TO WORK IN UK WITHOUT EVER NEEDING SPONSORSHIP* Our client is a well-established technology business with a strong reputation for delivering innovative software and digital solutions across a diverse customer base. Due to continued growth and investment in internal systems, they are looking to appoint a Software Business Analyst to support a range of business-critical projects. This is an excellent opportunity to join a collaborative and fast-paced SME environment where you'll play a key role in bridging the gap between business operations and technical delivery teams. The Role - As a Software Business Analyst, you'll work closely with stakeholders across the business to understand requirements, improve processes, and support the successful delivery of software and systems projects.
Location: Horsham (Hybrid) Salary: Up to £40,000 DOE *MUST HAVE VALID RIGHT TO WORK IN UK WITHOUT EVER NEEDING SPONSORSHIP* Our client is a well-established technology business with a strong reputation for delivering innovative software and digital solutions across a diverse customer base. Due to continued growth and investment in internal systems, they are looking to appoint a Software Business Analyst to support a range of business-critical projects. This is an excellent opportunity to join a collaborative and fast-paced SME environment where you'll play a key role in bridging the gap between business operations and technical delivery teams. The Role - As a Software Business Analyst, you'll work closely with stakeholders across the business to understand requirements, improve processes, and support the successful delivery of software and systems projects.
Our client, a leading technology company in the Defence & Security sector, is currently seeking a talented Research & Development Software Engineer to join their innovative team on a permanent basis. This role is based at Portsdown Technology Park in Portsmouth and offers the exciting opportunity to work on cutting-edge immersive training solutions and simulations. * Build and maintain prototypes, proof-of-concept systems, and technical demonstrators * Take early-stage feasibility prototypes forward into working implementations, validating technical assumptions and documenting findings * Implement integrations between AI services, APIs, backend systems, XR applications, simulation environments, and third-party platforms * Develop microservices, wrappers, connectors, and service interfaces to support solution components
Our client, a leading technology company in the Defence & Security sector, is currently seeking a talented Research & Development Software Engineer to join their innovative team on a permanent basis. This role is based at Portsdown Technology Park in Portsmouth and offers the exciting opportunity to work on cutting-edge immersive training solutions and simulations. * Build and maintain prototypes, proof-of-concept systems, and technical demonstrators * Take early-stage feasibility prototypes forward into working implementations, validating technical assumptions and documenting findings * Implement integrations between AI services, APIs, backend systems, XR applications, simulation environments, and third-party platforms * Develop microservices, wrappers, connectors, and service interfaces to support solution components
)
Senior Software Engineer, AI/ML Integration
Senior Software Engineer, AI/ML Integration
ECM Selection Ltd.
Guildford, Surrey
Up to £80,000 per annum plus benefits
API development, for internal boundaries and potentially external usage
API development, for internal boundaries and potentially external usage
)
IT & Systems Developer Administrator
IT & Systems Developer Administrator
Recruitment Helpline Ltd
Leatherhead (KT22)
From £29,000 to £32,000 per annum
Maintaining existing API integrations and investigating new ones
Maintaining existing API integrations and investigating new ones
)
Test usability, stability, and performance across the stack, including Angular-based front ends, API-based back ends, and databases. API testing using tools such as Postman or Insomnia. You are confident in manual and API testing, comfortable with basic SQL, and have a solid understanding of QA processes within modern software delivery environments.
Test usability, stability, and performance across the stack, including Angular-based front ends, API-based back ends, and databases. API testing using tools such as Postman or Insomnia. You are confident in manual and API testing, comfortable with basic SQL, and have a solid understanding of QA processes within modern software delivery environments.
)
Microservices and API design knowledge
Microservices and API design knowledge
FEATURED
Identify new integrations and automation opportunities to increase collaboration between enterprise applications using Flow Designer, Integration Hub, and API standards.
Identify new integrations and automation opportunities to increase collaboration between enterprise applications using Flow Designer, Integration Hub, and API standards.
)
Job Title - Job Category - Engineering - Job Description - Are you looking to work in Automation and develop industry-leading technologies on a collaborative development team? A proven track record in technology is required tell us what interests you and how you can help our emerging technology programs. This is an opportunity to impact materials handling by bringing Hyster and Yale products to the forefront of the marketplace. Our teams work on great projects within our 'hands-on' engineering development centre in the South East of England. This role is within the Frimley-based global robotics development team contributing to the development of robotic options for all lift truck models. Role Summary - The Robotics Cloud Software Engineer III is a senior individual contributor responsible for architecting, developing, and scaling cloud services, dashboards, and data processing systems ...
Job Title - Job Category - Engineering - Job Description - Are you looking to work in Automation and develop industry-leading technologies on a collaborative development team? A proven track record in technology is required tell us what interests you and how you can help our emerging technology programs. This is an opportunity to impact materials handling by bringing Hyster and Yale products to the forefront of the marketplace. Our teams work on great projects within our 'hands-on' engineering development centre in the South East of England. This role is within the Frimley-based global robotics development team contributing to the development of robotic options for all lift truck models. Role Summary - The Robotics Cloud Software Engineer III is a senior individual contributor responsible for architecting, developing, and scaling cloud services, dashboards, and data processing systems ...
Monitoring and optimising API development and managing calls and consumption cost
Monitoring and optimising API development and managing calls and consumption cost
We have a multi-skilled team, working across the full software stack from application code to the web user interface and RESTful API.
We have a multi-skilled team, working across the full software stack from application code to the web user interface and RESTful API.
Monitoring and optimising API development and managing calls and consumption cost
Monitoring and optimising API development and managing calls and consumption cost
575 exact matches jobs are outside your preferred location
Technical Product Manager API SaaS
Technical Product Manager API SaaS
Client Server
Shoreditch, East London (E1), EC2A
£95000 - £130000 per annum + benefits
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
PREMIUM
Java Developer Kafka API - Tech Consultancy
Java Developer Kafka API - Tech Consultancy
Client Server
City of London (EC2A), EC2A
£80000 - £90000 per annum
Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90k
Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90k
NEWPREMIUM
)
Principle Java Engineer
Principle Java Engineer
Profile 29
South East London (SE1)
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Principle Java Engineer
Principle Java Engineer
Profile 29
South East London (SE1)
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
)
C# / .NET SENIOR SOFTWARE ENGINEER (AWS)
C# / .NET SENIOR SOFTWARE ENGINEER (AWS)
Secure Recruitment Ltd
East London (E1)
Up to £90,000 per annum + Benefits (Hybrid Working)
System & API Design: Strong Database Architecture Skills & Experience Designing Patterns that make Integrations Fast, Reliable & Elegant. Searches: Software Engineer / AWS / Backend Engineer /Integration Systems Architect /Data Pipeline Engineer /Senior AWS Cloud Engineer /Backend Technical Lead / Engineering Lead /Senior Software Engineer /Senior Backend Engineer /Principal Platform Engineer /Lead C# Developer / AI / API Design / API / LLMs / Artificial Intelligence
System & API Design: Strong Database Architecture Skills & Experience Designing Patterns that make Integrations Fast, Reliable & Elegant. Searches: Software Engineer / AWS / Backend Engineer /Integration Systems Architect /Data Pipeline Engineer /Senior AWS Cloud Engineer /Backend Technical Lead / Engineering Lead /Senior Software Engineer /Senior Backend Engineer /Principal Platform Engineer /Lead C# Developer / AI / API Design / API / LLMs / Artificial Intelligence
)
Software Developer - Full Stack
Software Developer - Full Stack
AWD Online
Hounslow (TW4)
From £35,000 to £40,000 per annum pro rata + Benefits
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
Solutions Engineer / FDE Python AI Hypergrowth £180k+
Solutions Engineer / FDE Python AI Hypergrowth £180k+
Transparent Technology
London
£150000 - £180000 per annum + bens, equity
FDE / Customer Engineer | London (5 Days Onsite) | Conversational AI / Enterprise SaaS | Hypergrowth AI Startup | Python, APIs, Integrations, LLMs | £150k-£180k + Equity + Benefits - A hypergrowth AI company is building enterprise-grade conversational AI agents used by some of the world's largest brands to automate and transform customer experience across voice, chat, email, and SMS. Backed by top-tier investors and scaling aggressively, they are now building a dedicated technical delivery function responsible for deploying AI agents into complex enterprise environments. This role sits at the intersection of engineering, AI workflows, and customer delivery, helping enterprise customers launch production-grade AI systems that drive measurable business impact. They are looking for technical, customer-facing engineers with experience delivering complex B2B SaaS solutions ...
FDE / Customer Engineer | London (5 Days Onsite) | Conversational AI / Enterprise SaaS | Hypergrowth AI Startup | Python, APIs, Integrations, LLMs | £150k-£180k + Equity + Benefits - A hypergrowth AI company is building enterprise-grade conversational AI agents used by some of the world's largest brands to automate and transform customer experience across voice, chat, email, and SMS. Backed by top-tier investors and scaling aggressively, they are now building a dedicated technical delivery function responsible for deploying AI agents into complex enterprise environments. This role sits at the intersection of engineering, AI workflows, and customer delivery, helping enterprise customers launch production-grade AI systems that drive measurable business impact. They are looking for technical, customer-facing engineers with experience delivering complex B2B SaaS solutions ...
)
Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
)
Senior Product Engineer, Full Stack - Energy
Senior Product Engineer, Full Stack - Energy
MFK Recruitment Ltd
Piccadilly, Central London (W1), W1S 4NS
From £70,000 to £95,000 per annum
£70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
£70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
)
Job Description - Please note this posting is to advertise potential job opportunities. This exact role may not be open today but could open in the near future. When you apply, a Cisco representative may contact you directly if a relevant position opens. Start Date: as soon as possible - Location: Feltham, United Kingdom (Hybrid work approach, working from the Feltham office 1-2 days per week.) Meet the Team - We at Cisco are looking for a Site Reliability Engineer, with a passion for technology and solid academic foundations in analytical disciplines. Cisco is a strong advocate of using its own enterprise networking, data center, collaboration products, and solutions internally; Cisco IT deploys all these technologies the result being that Cisco IT accrues a great deal of experience in how to design, deploy, operate, and automate these solutions within a large global enterprise.
Job Description - Please note this posting is to advertise potential job opportunities. This exact role may not be open today but could open in the near future. When you apply, a Cisco representative may contact you directly if a relevant position opens. Start Date: as soon as possible - Location: Feltham, United Kingdom (Hybrid work approach, working from the Feltham office 1-2 days per week.) Meet the Team - We at Cisco are looking for a Site Reliability Engineer, with a passion for technology and solid academic foundations in analytical disciplines. Cisco is a strong advocate of using its own enterprise networking, data center, collaboration products, and solutions internally; Cisco IT deploys all these technologies the result being that Cisco IT accrues a great deal of experience in how to design, deploy, operate, and automate these solutions within a large global enterprise.
Related Jobs
Locations
- St James
- Shoreditch
- The City, City (EC3)
- Southwark
- Winnersh
- Boyn Hill
- The City, City (EC2)
- The City, City (EC4)
- Abbotts Ann
- Camden
- City of London
- Central London
- South West London
- West End
- Reading
- South East London
- East London
- Uxbridge
- West London
- Southampton
- London
- Berkshire
- Hampshire
- Surrey
- Hertfordshire
- West Sussex
- Buckinghamshire
- East Sussex
- Kent
- South East