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84 Contract API jobs in Buckinghamshire + 20 miles
Design, build and govern marketing data foundation tagging, tracking, pipelines and modelling to create a single source of truth across brand direct, paid, social and CRM. Enable faster, better decisions with accurate data, integrated views (GA4, Salesforce, Databricks, COGNOS) and insight products (dashboards, attribution/MMM). Be the primary point of contact for all tracking and data issues ensuring reliability, compliance and speed. Own tagging and tracking standards for web/app (GTM, GA4, CM360/Floodlight, Meta pixel/event manager, consent mode) Define and maintain the marketing KPI dictionary and data model; steward the single source of truth - Define data pipelines between martech platforms and enterprise solutions (Salesforce, COGNOS, Databricks) Set QA/alerting SLAs, prioritise analytics backlog
Design, build and govern marketing data foundation tagging, tracking, pipelines and modelling to create a single source of truth across brand direct, paid, social and CRM. Enable faster, better decisions with accurate data, integrated views (GA4, Salesforce, Databricks, COGNOS) and insight products (dashboards, attribution/MMM). Be the primary point of contact for all tracking and data issues ensuring reliability, compliance and speed. Own tagging and tracking standards for web/app (GTM, GA4, CM360/Floodlight, Meta pixel/event manager, consent mode) Define and maintain the marketing KPI dictionary and data model; steward the single source of truth - Define data pipelines between martech platforms and enterprise solutions (Salesforce, COGNOS, Databricks) Set QA/alerting SLAs, prioritise analytics backlog
Be our senior technical expert and role model within our engineering team. Lead on architectural input, help shape the direction but be close enough to provide hands-on development, raising standards through mentoring, innovation and leading on technical excellence. You will support the growth and development of the team, guiding them in applying modern engineering practices including TDD, CI/CD and code quality gates. Lead in complex technical design, contribute to technical roadmaps, POCs and solution proposals, whilst developing and maintaining high quality, secure and scalable software. Promote collaboration and accountability, working with Product, QA and Devops in an Agile environment. You will likely be a Salesforce Certified Administrator (ADM201) and Salesforce Platform I Developer (Platform Developer II desirable) with 23+ years of hands-on experience with A
Be our senior technical expert and role model within our engineering team. Lead on architectural input, help shape the direction but be close enough to provide hands-on development, raising standards through mentoring, innovation and leading on technical excellence. You will support the growth and development of the team, guiding them in applying modern engineering practices including TDD, CI/CD and code quality gates. Lead in complex technical design, contribute to technical roadmaps, POCs and solution proposals, whilst developing and maintaining high quality, secure and scalable software. Promote collaboration and accountability, working with Product, QA and Devops in an Agile environment. You will likely be a Salesforce Certified Administrator (ADM201) and Salesforce Platform I Developer (Platform Developer II desirable) with 23+ years of hands-on experience with A
Make a difference and set the Salesforce Software Engineering bar through coaching, code quality and continuous improvement initiatives. Get the satisfaction of seeing your approach being embedded and showing others in the team the way, watch them benefit and thrive from your mentoring. We are transforming our Salesforce product, and you will likely be a Salesforce Certified Administrator (ADM201) and Salesforce Platform I Developer with 23+ years of hands-on experience with Apex, SOQL/SOSL, Lightning Web Components (LWC), and Aura Components, with experience building and maintaining custom objects, triggers, batch jobs, asynchronous processing, and declarative automation. * Salesforce Platform App Builder * Salesforce Platform Developer II * Salesforce CPQ Specialist / CPQ Developer * OmniStudio Developer (formerly Vlocity Developer)
Make a difference and set the Salesforce Software Engineering bar through coaching, code quality and continuous improvement initiatives. Get the satisfaction of seeing your approach being embedded and showing others in the team the way, watch them benefit and thrive from your mentoring. We are transforming our Salesforce product, and you will likely be a Salesforce Certified Administrator (ADM201) and Salesforce Platform I Developer with 23+ years of hands-on experience with Apex, SOQL/SOSL, Lightning Web Components (LWC), and Aura Components, with experience building and maintaining custom objects, triggers, batch jobs, asynchronous processing, and declarative automation. * Salesforce Platform App Builder * Salesforce Platform Developer II * Salesforce CPQ Specialist / CPQ Developer * OmniStudio Developer (formerly Vlocity Developer)
A role that provides a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA, DevOps, and fellow engineers, this role helps shape technical solutions, contributes to quality practices, and continuously builds their own technical capabilities. We are transforming our Salesforce product, and you will likely be a Salesforce Certified Administrator (ADM201) and Salesforce Platform I Developer with 23+ years of hands-on experience with Apex, SOQL/SOSL, Lightning Web Components (LWC), and Aura Components, with experience building and maintaining custom objects, triggers, batch jobs, asynchronous processing, and declarative automation. * Salesforce Platform App Builder
A role that provides a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA, DevOps, and fellow engineers, this role helps shape technical solutions, contributes to quality practices, and continuously builds their own technical capabilities. We are transforming our Salesforce product, and you will likely be a Salesforce Certified Administrator (ADM201) and Salesforce Platform I Developer with 23+ years of hands-on experience with Apex, SOQL/SOSL, Lightning Web Components (LWC), and Aura Components, with experience building and maintaining custom objects, triggers, batch jobs, asynchronous processing, and declarative automation. * Salesforce Platform App Builder
In this role you will lead our technology strategy and ensure our systems evolve in step with our ambition, driving digital transformation across our national network of veterinary clinics and the teams and systems that support them. Youll be responsible for defining and leading Medivets enterprise architecture strategy. Youll work closely with senior stakeholders across the business and IT to ensure our technology landscape is scalable, secure, and aligned with our long-term goals. * Developing and maintaining our enterprise architecture framework, principles, and standards * Leading architecture governance forums and ensuring compliance across systems and platforms * Partnering with business leaders to shape technology roadmaps that support innovation and growth * Providing architectural oversight for major initiatives across clinical, operational, and digital domai
In this role you will lead our technology strategy and ensure our systems evolve in step with our ambition, driving digital transformation across our national network of veterinary clinics and the teams and systems that support them. Youll be responsible for defining and leading Medivets enterprise architecture strategy. Youll work closely with senior stakeholders across the business and IT to ensure our technology landscape is scalable, secure, and aligned with our long-term goals. * Developing and maintaining our enterprise architecture framework, principles, and standards * Leading architecture governance forums and ensuring compliance across systems and platforms * Partnering with business leaders to shape technology roadmaps that support innovation and growth * Providing architectural oversight for major initiatives across clinical, operational, and digital domai
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Azure API Management (APIM)
Azure API Management (APIM)
Strong API development and database experience (Postgres/Oracle + SQL).
Strong API development and database experience (Postgres/Oracle + SQL).
657 exact matches jobs are outside your preferred location
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Full Stack Engineer TypeScript API React
Full Stack Engineer TypeScript API React
Client Server
Shoreditch, East London (E1), EC2A
£50000 - £60000 per annum + benefits
Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k - Apply now to find out more about this Full Stack Engineer / Developer (TypeScript API React) opportunity.
Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k - Apply now to find out more about this Full Stack Engineer / Developer (TypeScript API React) opportunity.
NEWPREMIUM
Senior Backend Engineer TypeScript Node API
Senior Backend Engineer TypeScript Node API
Client Server
The City, City of London (EC4), EC2V
£85000 - £100000 per annum + shares + benefits
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k
PREMIUM
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Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
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Product management, within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from discovery through delivery and iteration for Clients API providers. * Define the long-term vision and strategy for API products, focusing on the needs of developers, clinicians, and patients. * Proven experience in product management, ideally within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from
Product management, within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from discovery through delivery and iteration for Clients API providers. * Define the long-term vision and strategy for API products, focusing on the needs of developers, clinicians, and patients. * Proven experience in product management, ideally within digital services or public sector environments experienced with Apigee (preferred) or similar API management platforms, including API publishing, monitoring, and access control. * Lead the end-to-end product lifecycle for the onboarding service, from
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This role is ideal for someone who specialises in system integration, API design, and cloud-based architecture (Azure) and enjoys shaping strategy as well as guiding delivery teams. * Design and govern API-led integrations, interface specifications, message schemas, and data flows. * Hands-on knowledge of Microsoft Azure integration services (API Management, Service Bus, Logic Apps, Event Grid, etc.) * Strong understanding of enterprise integration patterns, API management platforms (Apigee/Azure API Mgmt)
This role is ideal for someone who specialises in system integration, API design, and cloud-based architecture (Azure) and enjoys shaping strategy as well as guiding delivery teams. * Design and govern API-led integrations, interface specifications, message schemas, and data flows. * Hands-on knowledge of Microsoft Azure integration services (API Management, Service Bus, Logic Apps, Event Grid, etc.) * Strong understanding of enterprise integration patterns, API management platforms (Apigee/Azure API Mgmt)
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Experienced in RESTful API design and integration (SOAP and XML/XPath knowledge desirable).
Experienced in RESTful API design and integration (SOAP and XML/XPath knowledge desirable).
NEW
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Senior Service Management & Integration Solution Architect
Senior Service Management & Integration Solution Architect
DXC Technology
London
Unspecified Competitive Salary & Benefits
Extensive knowledge and experience with modern ITSM tools, ITIL and API technologies, solutions, and architectures. * Service Integrations using API based policies
Extensive knowledge and experience with modern ITSM tools, ITIL and API technologies, solutions, and architectures. * Service Integrations using API based policies
PREMIUM
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Solid understanding of REST API development, integrations, and modern application architecture.
Solid understanding of REST API development, integrations, and modern application architecture.
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Experience working with software systems including querying, SQL scripting, and working with API development * Technical understanding of Meta advertising products (including Ads and Pages API, Identity Platform) * Experience working with API documents, calling APIs using scripts, and testing APIs
Experience working with software systems including querying, SQL scripting, and working with API development * Technical understanding of Meta advertising products (including Ads and Pages API, Identity Platform) * Experience working with API documents, calling APIs using scripts, and testing APIs
NEW
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API-first and integration platforms
API-first and integration platforms
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Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
PREMIUM
The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development * Develop and maintain APIs using Azure API Management, Web API, and .NET Core to enable secure and efficient integrations. * Ensure API performance, security, and compliance with best practices. * Monitor and optimize application and API performance using Azure Monitor, Application Insights, and Log Analytics. * Expertise in Mic
The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development * Develop and maintain APIs using Azure API Management, Web API, and .NET Core to enable secure and efficient integrations. * Ensure API performance, security, and compliance with best practices. * Monitor and optimize application and API performance using Azure Monitor, Application Insights, and Log Analytics. * Expertise in Mic
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Utilise Fetch API to automate interactions with web services and validate data flows.
Utilise Fetch API to automate interactions with web services and validate data flows.
FEATURED
Extensive experience in API development both REST and SOAP. Experience with IntelliJ, Eclipse editor api.
Extensive experience in API development both REST and SOAP. Experience with IntelliJ, Eclipse editor api.
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Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Halian Technology Limited
London
Up to £185,000 per annum High founding member equity and Shares
API integrations, ETL, schema validation
API integrations, ETL, schema validation
Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Halian Technology Limited
London
Up to £185,000 per annum High founding member equity
API integrations, ETL, schema validation
API integrations, ETL, schema validation