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37 Contract API jobs in Buckinghamshire + 20 miles
Senior Java Developer – AWS Cloud Backend
Senior Java Developer – AWS Cloud Backend
Intelligent Talent Solutions Ltd
Bracknell (RG12)
From £75,000 to £90,000 per annum Pension, staff discounts, medical
Experience building platforms supporting mobile or API-driven products
Experience building platforms supporting mobile or API-driven products
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Applications Support Analyst / Engineer
Applications Support Analyst / Engineer
Kudos Partners
Datchet Common, Slough (SL3), SL3
Up to £75,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
Assist with API integration and monitoring using API Management platforms. * Understanding of WAF and API security basics.
Assist with API integration and monitoring using API Management platforms. * Understanding of WAF and API security basics.
FEATURED
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Strong knowledge of data modeling and API integration.
Strong knowledge of data modeling and API integration.
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Key words: ElementSuite, Integration, API, Dataflows - API Development & Mapping: Use REST APIs to create seamless data synchronisation between ElementSuite, Aslan, and Talent.AI. - Troubleshooting & Monitoring: Monitor API performance using New Relic, AWS CloudWatch, or Azure Monitor resolve sync errors before they impact the end-user experience. - Experience building integrations on AWS (Lambda, Step Functions, API Gateway) or Azure (Logic Apps, Functions, Service Bus).
Key words: ElementSuite, Integration, API, Dataflows - API Development & Mapping: Use REST APIs to create seamless data synchronisation between ElementSuite, Aslan, and Talent.AI. - Troubleshooting & Monitoring: Monitor API performance using New Relic, AWS CloudWatch, or Azure Monitor resolve sync errors before they impact the end-user experience. - Experience building integrations on AWS (Lambda, Step Functions, API Gateway) or Azure (Logic Apps, Functions, Service Bus).
PREMIUM
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Senior Full Stack Software Engineer
Senior Full Stack Software Engineer
Bolt Technical Limited
Milton Keynes (MK1)
From £70,000 to £80,000 per annum
API design experience
API design experience
Senior iOS Developer – Swift / Mobile Applications
Senior iOS Developer – Swift / Mobile Applications
Intelligent Talent Solutions Ltd
Bracknell (RG12)
From £70,000 to £90,000 per annum Pension, staff discounts, medical
Implement robust REST API integrations
Implement robust REST API integrations
Senior Android Developer – Kotlin / Mobile Applications
Senior Android Developer – Kotlin / Mobile Applications
Intelligent Talent Solutions Ltd
Bracknell (RG12)
From £68,000 to £88,000 per annum Pension, staff discounts, medical
Implement robust REST API integrations
Implement robust REST API integrations
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Network Automation Engineer Specialist (telecoms/ network)
Network Automation Engineer Specialist (telecoms/ network)
Talent Locker
Reading (RG1)
£60000 - £65000 per annum
Experience with API management platforms (Apigee, Kong, OpenShift API Management) and Web Application Firewalls (WAF) is highly desirable. * Implement and manage API Management solutions and Web Application Firewalls (WAF). * Experience with API management (Apigee, Kong, OpenShift API Management) and API lifecycle.
Experience with API management platforms (Apigee, Kong, OpenShift API Management) and Web Application Firewalls (WAF) is highly desirable. * Implement and manage API Management solutions and Web Application Firewalls (WAF). * Experience with API management (Apigee, Kong, OpenShift API Management) and API lifecycle.
FEATURED
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Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
FEATURED
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Test & AI Evaluation Lead
Test & AI Evaluation Lead
MarkIT Placements
Chilton, Didcot (OX11), OX11
From £550 to £750 per day depending on experience
Oversee automated testing across API and service layers, UI (E2E and accessibility), and infrastructure and deployment workflows.
Oversee automated testing across API and service layers, UI (E2E and accessibility), and infrastructure and deployment workflows.
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Junior Integration Analyst
Junior Integration Analyst
Altro
Letchworth Garden City (SG6), SG6 1NW
Competitive salary plus additional benefits,
Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
PREMIUM
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Role Details - Role / Job Title:Python Developer - Work Location:Wokingham, UK - Mode of Working:Office - The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Python's core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Your Responsibilities - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code.
Role Details - Role / Job Title:Python Developer - Work Location:Wokingham, UK - Mode of Working:Office - The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Python's core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Your Responsibilities - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code.
The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Pythons core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Work from Office - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code. Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI.
The Role - We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Pythons core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Work from Office - Python Development & Software Engineering - Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code. Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI.
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Are you an experienced Business Analyst ready to make an impact? Join our Group Technology team at Connells Group as a Business Analyst, where youll work closely with engineers and business stakeholders to understand day-to-day processes, analyse operational needs, and translate requirements into clear Business Requirement Specifications or User Stories. The CPE team is responsible for maintaining and supporting key business systems, as well as managing incidents through ServiceNow, coordinating regular software releases, and addressing technical debt. We offer a hybrid working arrangement, with two days per week in our Milton Keynes office. * Elicit and capture business requirements * Produce clear, concise business requirements documents and user stories * Proactively work with senior business managers to understand their business processes and needs
Are you an experienced Business Analyst ready to make an impact? Join our Group Technology team at Connells Group as a Business Analyst, where youll work closely with engineers and business stakeholders to understand day-to-day processes, analyse operational needs, and translate requirements into clear Business Requirement Specifications or User Stories. The CPE team is responsible for maintaining and supporting key business systems, as well as managing incidents through ServiceNow, coordinating regular software releases, and addressing technical debt. We offer a hybrid working arrangement, with two days per week in our Milton Keynes office. * Elicit and capture business requirements * Produce clear, concise business requirements documents and user stories * Proactively work with senior business managers to understand their business processes and needs
Data Ingest Engineer - Python
Data Ingest Engineer - Python
Preservica
Thames View Industrial Park, Abingdon (OX14), OX14 3YS
Unspecified
You are an accomplished Python developer, you know your way around APIs, have a strong handle on supporting or configuring SaaS solutions and you thrive on customer interaction. Are you ready to make your mark on future-proof software? We are Preservica and our groundbreaking active digital preservation solutions are at the razors edge eliminating the challenge of file obsolescence, data ROT and more, addressing the need for smart digital preservation technology. Our award-winning software is used by leading businesses, archives, libraries, museums and government organisations across the globe. We are world leaders and proud of our achievements but to stay ahead we need the brightest and most talented commercial and technical innovators to join our professional services team and right now we are looking for a solid Technical Success / Integration Engineer. About the Role
You are an accomplished Python developer, you know your way around APIs, have a strong handle on supporting or configuring SaaS solutions and you thrive on customer interaction. Are you ready to make your mark on future-proof software? We are Preservica and our groundbreaking active digital preservation solutions are at the razors edge eliminating the challenge of file obsolescence, data ROT and more, addressing the need for smart digital preservation technology. Our award-winning software is used by leading businesses, archives, libraries, museums and government organisations across the globe. We are world leaders and proud of our achievements but to stay ahead we need the brightest and most talented commercial and technical innovators to join our professional services team and right now we are looking for a solid Technical Success / Integration Engineer. About the Role
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Were looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where youll work alongside experienced engineers on real-world, high-impact projects across multiple customer environments. * Building and maintaining Python-based back-end services (APIs, background tasks) * Developing web applications (Flask, FastAPI, or Django) * Supporting legacy system modernisation & data migrations * Working with SQL databases (PostgreSQL/MySQL) * Writing clean, testable code and contributing to CI/CD pipelines * Collaborating in a DevOps-driven, containerised (Docker) environment * Strong Python development experience * Experience with REST APIs & web frameworks (FastAPI, Flask or Django) * Solid understanding of SQL & data handling
Were looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where youll work alongside experienced engineers on real-world, high-impact projects across multiple customer environments. * Building and maintaining Python-based back-end services (APIs, background tasks) * Developing web applications (Flask, FastAPI, or Django) * Supporting legacy system modernisation & data migrations * Working with SQL databases (PostgreSQL/MySQL) * Writing clean, testable code and contributing to CI/CD pipelines * Collaborating in a DevOps-driven, containerised (Docker) environment * Strong Python development experience * Experience with REST APIs & web frameworks (FastAPI, Flask or Django) * Solid understanding of SQL & data handling
QA Engineer – Mobile Apps / Test Automation
QA Engineer – Mobile Apps / Test Automation
Intelligent Talent Solutions Ltd
Bracknell (RG12)
From £55,000 to £75,000 per annum Pension, staff discounts, medical
QA Engineer Mobile Apps & Automation - Hybrid Working 3 Days Office | Bracknell Area - Are you passionate about building high-quality mobile applications that genuinely improve peoples health and wellbeing? Were partnering with an innovative medical technology company developing digital products and connected mobile applications used by customers worldwide. Theyre looking for a Quality Engineer with strong mobile testing and automation experience to help ensure their digital health platforms remain reliable, secure and safe for real-world use. Youll play a key role testing iOS and Android applications, cloud APIs and backend services, ensuring new releases meet the highest quality and regulatory standards. The Opportunity - Working closely with software engineers, business analysts, product teams and regulatory specialists, youll be responsible for ensuring mobile and cloud ...
QA Engineer Mobile Apps & Automation - Hybrid Working 3 Days Office | Bracknell Area - Are you passionate about building high-quality mobile applications that genuinely improve peoples health and wellbeing? Were partnering with an innovative medical technology company developing digital products and connected mobile applications used by customers worldwide. Theyre looking for a Quality Engineer with strong mobile testing and automation experience to help ensure their digital health platforms remain reliable, secure and safe for real-world use. Youll play a key role testing iOS and Android applications, cloud APIs and backend services, ensuring new releases meet the highest quality and regulatory standards. The Opportunity - Working closely with software engineers, business analysts, product teams and regulatory specialists, youll be responsible for ensuring mobile and cloud ...
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£100k - Equity | Remote Flexibility - Typescript | Azure | Python | LLM | Terraform - The Company - We’re working with an early-stage technology company bringing digital transformation to traditionally manual supply chain and product data processes. They are looking for an experienced engineer who can balance hands-on engineering with technical strategy as the business moves through its next phase of growth. This role suits someone who enjoys operating in a small but growing team, is motivated by building solutions, solving complex problems, and is comfortable rolling up their sleeves to deliver. The environment is fast-paced, where priorities can evolve quickly and ambiguity is often part of the journey. The successful candidate will be excited by the autonomy of an early-stage environment and the opportunity to shape the technical direction of a high-potential B2B SaaS platform.
£100k - Equity | Remote Flexibility - Typescript | Azure | Python | LLM | Terraform - The Company - We’re working with an early-stage technology company bringing digital transformation to traditionally manual supply chain and product data processes. They are looking for an experienced engineer who can balance hands-on engineering with technical strategy as the business moves through its next phase of growth. This role suits someone who enjoys operating in a small but growing team, is motivated by building solutions, solving complex problems, and is comfortable rolling up their sleeves to deliver. The environment is fast-paced, where priorities can evolve quickly and ambiguity is often part of the journey. The successful candidate will be excited by the autonomy of an early-stage environment and the opportunity to shape the technical direction of a high-potential B2B SaaS platform.
You will support their ticket handling and ongoing development work following their recent go-live. This engagement will initially run for 1 month and will involve close collaboration with their in-house NAV/BC developer. * Providing support for our Business Central helpdesk tickets * Delivering work on newfeature requests * Strong reporting expertise, including Business CentraltoBI and Excel integrations via APIs * Ability to advise on the migration path from on-premise to SaaS * Comprehensive understanding of the Business Centralon-premise infrastructure (e.g., HTTPS printing, email configurations, and related scenarios) * Knowledge of CRM platforms with the ability to guide them on the recommended approach and considerations Potential for further project work. £450-500 per day. Based Hertfordshire / Remote
You will support their ticket handling and ongoing development work following their recent go-live. This engagement will initially run for 1 month and will involve close collaboration with their in-house NAV/BC developer. * Providing support for our Business Central helpdesk tickets * Delivering work on newfeature requests * Strong reporting expertise, including Business CentraltoBI and Excel integrations via APIs * Ability to advise on the migration path from on-premise to SaaS * Comprehensive understanding of the Business Centralon-premise infrastructure (e.g., HTTPS printing, email configurations, and related scenarios) * Knowledge of CRM platforms with the ability to guide them on the recommended approach and considerations Potential for further project work. £450-500 per day. Based Hertfordshire / Remote
Full Stack Node.JS Developer - Reading - Hybrid
Full Stack Node.JS Developer - Reading - Hybrid
Transparent Technology
Reading (RG1)
£55000 - £65000 per annum + + bens
You'll be involved in API design, PostgreSQL performance optimisation, frontend state management, CI/CD pipelines, and cloud infrastructure, while collaborating closely with Product, Data, and commercial stakeholders.
You'll be involved in API design, PostgreSQL performance optimisation, frontend state management, CI/CD pipelines, and cloud infrastructure, while collaborating closely with Product, Data, and commercial stakeholders.
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DevOps Engineer, Azure, Terraform, COR7485A
DevOps Engineer, Azure, Terraform, COR7485A
Corriculo Ltd
Littlemore, Oxford (OX4), OX4
£60k - 75k per year + Benefits
Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
DevOps Engineer, Azure, Terraform, COR7485
DevOps Engineer, Azure, Terraform, COR7485
Corriculo Ltd
Reading, Berkshire, RG1
£60k - 75k per year + Benefits
Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
Strong Azure cloud and CI/CD experience, with a particular focus on Azure DevOps (YAML pipelines, environments variable groups), Azure Key Vault, Azure API Management and Azure Managed Identity
Understanding of secure coding practices, API design, and performance optimisation.
Understanding of secure coding practices, API design, and performance optimisation.
This role blends deep technical troubleshooting, advanced log and API analysis, Datadog monitoring expertise, and leadership of high-severity escalations. * Perform hands-on technical troubleshooting using Datadog (logs, traces, dashboards), API tools (Postman/cURL), and distributed log tracing. * Strong REST API troubleshooting using Postman, cURL, authentication flows, and JSON payload analysis.
This role blends deep technical troubleshooting, advanced log and API analysis, Datadog monitoring expertise, and leadership of high-severity escalations. * Perform hands-on technical troubleshooting using Datadog (logs, traces, dashboards), API tools (Postman/cURL), and distributed log tracing. * Strong REST API troubleshooting using Postman, cURL, authentication flows, and JSON payload analysis.
Related Jobs
Locations
- Southwark
- St James
- The City, City (EC3)
- Chilton
- Datchet Common
- Euston
- Gloucestershire Airport
- Grays Inn
- Greenwich
- Harmondsworth
- City of London
- Cambridge
- South East London
- Loughton
- Reading
- Central London
- Milton Keynes
- West End
- Bracknell
- East London
- London
- Cambridgeshire
- Berkshire
- Essex
- Oxfordshire
- Buckinghamshire
- Hertfordshire
- Surrey
- Leicestershire
- Gloucestershire
- South East
- East Anglia
- Midlands
- East Midlands
- South West
- West Midlands