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- The City, City (EC3)
- The City, City (EC4)
- Southwark
- West Fields
- Canary Wharf
- Euston
- Frimley
- Holborn
- Ireland
- Mayfair
- City of London
- Central London
- Reading
- West End
- South West London
- Cambridge
- South East London
- Milton Keynes
- Brighton
- North West London
- London
- Berkshire
- Surrey
- Cambridgeshire
- Buckinghamshire
- Oxfordshire
- East Sussex
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69 Contract API jobs in Charing Cross, Central London + 20 miles
210 exact matches jobs are outside your preferred location
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We're looking for a Senior Data Engineer to join the Data & Analytics team at Holland & Barrett. This is a high-impact, mid-seniority role within our growing data function, where you'll design, build, and scale modern data solutions on AWS. You'll work closely with cross-functional teams including Data Science, BI, and Product Analytics to develop cloud-native, scalable data infrastructure powering advanced analytics and machine learning. As a Senior Engineer, you'll not only deliver code you'll take ownership, lead small teams, mentor others, and contribute to shaping our engineering culture and best practices. You'll join a team of Data Engineers, reporting to the Senior Data Engineering Manager. You'll work alongside Associates, Mid-level Engineers, and Senior/Principal engineers. * Design, build, and scale data pipelines and services using AWS Glue, Lambda, Step .
We're looking for a Senior Data Engineer to join the Data & Analytics team at Holland & Barrett. This is a high-impact, mid-seniority role within our growing data function, where you'll design, build, and scale modern data solutions on AWS. You'll work closely with cross-functional teams including Data Science, BI, and Product Analytics to develop cloud-native, scalable data infrastructure powering advanced analytics and machine learning. As a Senior Engineer, you'll not only deliver code you'll take ownership, lead small teams, mentor others, and contribute to shaping our engineering culture and best practices. You'll join a team of Data Engineers, reporting to the Senior Data Engineering Manager. You'll work alongside Associates, Mid-level Engineers, and Senior/Principal engineers. * Design, build, and scale data pipelines and services using AWS Glue, Lambda, Step .
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We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
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NVIDIA is looking for an expert software engineer to help us expand our catalog of Device eXtension (Dx) APIs for our math libraries. For over a decade, NVIDIA's accelerated computing platform has revolutionized HPC and AI with applications ranging from COVID-19 research to autonomous machines. Did you know that our team develops the GPU-accelerated mathematical libraries that make all of this possible? The hardware and software accelerated computing ecosystem is constantly evolving, including shifts towards hybrid backends, deep integration with high-level languages and ecosystems (such as Python, Numpy, JAX, MLIR), and optimization at runtime for maximum flexibility and performance. Our Dx APIs allow developers to embed highly-optimized mathematical operations in their applications for these and other scenarios.
NVIDIA is looking for an expert software engineer to help us expand our catalog of Device eXtension (Dx) APIs for our math libraries. For over a decade, NVIDIA's accelerated computing platform has revolutionized HPC and AI with applications ranging from COVID-19 research to autonomous machines. Did you know that our team develops the GPU-accelerated mathematical libraries that make all of this possible? The hardware and software accelerated computing ecosystem is constantly evolving, including shifts towards hybrid backends, deep integration with high-level languages and ecosystems (such as Python, Numpy, JAX, MLIR), and optimization at runtime for maximum flexibility and performance. Our Dx APIs allow developers to embed highly-optimized mathematical operations in their applications for these and other scenarios.
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At Holland & Barrett, we're on a mission to make health and wellness a way of life for everyone and technology is at the heart of how we make that happen. As we continue our journey to become a leading omni-channel retailer, we're investing heavily in innovative tech to deliver faster, more personalised, and more convenient experiences for our customers both online and in-store. We're collaborative, customer-obsessed, and love working at pace. We embrace cloud-first principles, build solutions tailored to our business (rather than buying off-the-shelf), and embed automation and testing across everything we do from software to infrastructure and data. This role sits within our Online Customer Experience (OCX) vertical the team driving our e-commerce platforms across web and mobile. We're wrapping up a multi-year technical transformation and moving into an exciting new
At Holland & Barrett, we're on a mission to make health and wellness a way of life for everyone and technology is at the heart of how we make that happen. As we continue our journey to become a leading omni-channel retailer, we're investing heavily in innovative tech to deliver faster, more personalised, and more convenient experiences for our customers both online and in-store. We're collaborative, customer-obsessed, and love working at pace. We embrace cloud-first principles, build solutions tailored to our business (rather than buying off-the-shelf), and embed automation and testing across everything we do from software to infrastructure and data. This role sits within our Online Customer Experience (OCX) vertical the team driving our e-commerce platforms across web and mobile. We're wrapping up a multi-year technical transformation and moving into an exciting new
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Introduction - Together, were working to welcome millions more passengers, while ensuring aviation can continue to be a force for good by leading global efforts in sustainability. At Heathrow, you can be part of this providing solutions that make every journey better for millions each year. That means ensuring we meet the changing needs of the passengers, colleagues and partners who use our airport to work, travel, trade, shop, eat, explore and connect. Our Solutions team covers project management, process improvement, business change, technology, cyber defence, masterplanning, infrastructure and procurement. It brings together people with the skills to deliver prestigious and often large-scale projects, from transforming terminals to making big reductions in our carbon emissions. Every day will test your skills and give you the opportunity to make your mark.
Introduction - Together, were working to welcome millions more passengers, while ensuring aviation can continue to be a force for good by leading global efforts in sustainability. At Heathrow, you can be part of this providing solutions that make every journey better for millions each year. That means ensuring we meet the changing needs of the passengers, colleagues and partners who use our airport to work, travel, trade, shop, eat, explore and connect. Our Solutions team covers project management, process improvement, business change, technology, cyber defence, masterplanning, infrastructure and procurement. It brings together people with the skills to deliver prestigious and often large-scale projects, from transforming terminals to making big reductions in our carbon emissions. Every day will test your skills and give you the opportunity to make your mark.
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About Faculty - At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With more than a decade of experience, we provide over 350 global customers with software, bespoke AI consultancy, and Fellows from our award winning Fellowship programme. Our expert team brings together leaders from across government, academia and global tech giants to solve the biggest challenges in applied AI. Should you join us, youll have the chance to work with, and learn from, some of the brilliant minds who are bringing Frontier AI to the frontlines of the world. As a Senior Data Scientist in our Consumer and Services business unit you will lead project teams that deliver bespoke algorithms to our clients. You will be responsible for conceiving the data science approach, for designing the associated software architecture, and for ensuring that best
About Faculty - At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With more than a decade of experience, we provide over 350 global customers with software, bespoke AI consultancy, and Fellows from our award winning Fellowship programme. Our expert team brings together leaders from across government, academia and global tech giants to solve the biggest challenges in applied AI. Should you join us, youll have the chance to work with, and learn from, some of the brilliant minds who are bringing Frontier AI to the frontlines of the world. As a Senior Data Scientist in our Consumer and Services business unit you will lead project teams that deliver bespoke algorithms to our clients. You will be responsible for conceiving the data science approach, for designing the associated software architecture, and for ensuring that best
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About Faculty - At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With more than a decade of experience, we provide over 350 global customers with software, bespoke AI consultancy, and Fellows from our award winning Fellowship programme. Our expert team brings together leaders from across government, academia and global tech giants to solve the biggest challenges in applied AI. Should you join us, youll have the chance to work with, and learn from, some of the brilliant minds who are bringing Frontier AI to the frontlines of the world. We operate a hybrid way of working, meaning that you'll split your time across client location, Faculty's Old Street office and working from home depending on the needs of the project. For this role, you can expect to be client-side for up-to three days per week at times and working either
About Faculty - At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With more than a decade of experience, we provide over 350 global customers with software, bespoke AI consultancy, and Fellows from our award winning Fellowship programme. Our expert team brings together leaders from across government, academia and global tech giants to solve the biggest challenges in applied AI. Should you join us, youll have the chance to work with, and learn from, some of the brilliant minds who are bringing Frontier AI to the frontlines of the world. We operate a hybrid way of working, meaning that you'll split your time across client location, Faculty's Old Street office and working from home depending on the needs of the project. For this role, you can expect to be client-side for up-to three days per week at times and working either
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About The Role - Ecotricity, the UKs first true green energy provider, has a strong internal team supporting and developing solutions across multiple mission critical platforms including Databricks on AWS, SQL, Power BI and other cloud centric data solutions. This technical hands-on role, of Data Engineer, will contribute to our delivery of projects, BAU, and helping Ecotricity become more efficient by leveraging our data. In addition to the technologies above, we also use Python, APIs, and various ETL solutions interfacing with a small number of legacy systems. Responsibilities * Take ownership for delivering all asks made of you on time and to specification. * Build strong relationships with key stakeholders outside the department. * Be responsible for data quality and ensuring problems are resolved swiftly.
About The Role - Ecotricity, the UKs first true green energy provider, has a strong internal team supporting and developing solutions across multiple mission critical platforms including Databricks on AWS, SQL, Power BI and other cloud centric data solutions. This technical hands-on role, of Data Engineer, will contribute to our delivery of projects, BAU, and helping Ecotricity become more efficient by leveraging our data. In addition to the technologies above, we also use Python, APIs, and various ETL solutions interfacing with a small number of legacy systems. Responsibilities * Take ownership for delivering all asks made of you on time and to specification. * Build strong relationships with key stakeholders outside the department. * Be responsible for data quality and ensuring problems are resolved swiftly.
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Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
Develop iOS applications (Swift or Objective-C) with RESTful API integrations.
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Knowledge of SQL, JSON, API testing, and CI/CD integration.
Knowledge of SQL, JSON, API testing, and CI/CD integration.
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Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
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Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
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API development and integration (preferably using Go but not essential).
API development and integration (preferably using Go but not essential).
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
Experience in scripting in (i.e., PowerShell, REST API, PowerShell, JSON).
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Experience with relational databases and API design.
Experience with relational databases and API design.
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
GraphQL and API design : Building, consuming, and documenting APIs, ideally with experience in GraphQL.
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Fortune 500 clients trust eGain AI knowledge solution to improve customer experience and reduce cost of service. Top rated by Gartner, eGain AI Knowledge Hub orchestrates AI and experts to deliver trusted answers to customers, agents, and field staff. We dream big and sweat details. We are diverse, optimistic, and tenacious. We take pride in what we do but we dont take ourselves too seriously. If work is fun for you, talk to us. We will not waste your time. Responsibilities * Discover client requirements and pain points to propose and configure tailored solutions. * Architect AI Knowledge Solutions leveraging eGain product capabilities and architecture in the context of the clients tech stack. * Develop and present technical proposals and sharp RFP responses. Education and Experience * 7 years of experience in developing AI based solutions for customer service/Contact
Fortune 500 clients trust eGain AI knowledge solution to improve customer experience and reduce cost of service. Top rated by Gartner, eGain AI Knowledge Hub orchestrates AI and experts to deliver trusted answers to customers, agents, and field staff. We dream big and sweat details. We are diverse, optimistic, and tenacious. We take pride in what we do but we dont take ourselves too seriously. If work is fun for you, talk to us. We will not waste your time. Responsibilities * Discover client requirements and pain points to propose and configure tailored solutions. * Architect AI Knowledge Solutions leveraging eGain product capabilities and architecture in the context of the clients tech stack. * Develop and present technical proposals and sharp RFP responses. Education and Experience * 7 years of experience in developing AI based solutions for customer service/Contact
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Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
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This senior role focuses on establishing and evolving best practices in QA engineering, with particular emphasis on automated testing for web, API, and desktop applications. * Lead the development and maintenance of automated tests for web, API, and desktop applications - o API: RestSharp (or similar tools)
This senior role focuses on establishing and evolving best practices in QA engineering, with particular emphasis on automated testing for web, API, and desktop applications. * Lead the development and maintenance of automated tests for web, API, and desktop applications - o API: RestSharp (or similar tools)
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AWS API Gateway
AWS API Gateway
Description - Hi Im Dom, VP of Engineering at Pinpoint. Were a high-growth HR tech startup building and selling software that helps in-house recruitment teams attract, hire, and onboard the right talent. Today, we have a strong foundation in place: a mature product, rapid growth, strong product-market fit, and happy customers. Were scaling fast - more customers, more integrations, and more people using Pinpoint in complex ways every day. Our CS team has grown faster than Engineering, and the volume of technical escalations has outgrown todays reactive model. Because customers run their entire hiring process on Pinpoint, reliability isnt a nice-to-have its core to our product promise. To keep scaling confidently, were adding a Software Engineer (Reliability & Tooling) to strengthen the feedback loop between our customers, Support, and Product, and to lay the foundation
Description - Hi Im Dom, VP of Engineering at Pinpoint. Were a high-growth HR tech startup building and selling software that helps in-house recruitment teams attract, hire, and onboard the right talent. Today, we have a strong foundation in place: a mature product, rapid growth, strong product-market fit, and happy customers. Were scaling fast - more customers, more integrations, and more people using Pinpoint in complex ways every day. Our CS team has grown faster than Engineering, and the volume of technical escalations has outgrown todays reactive model. Because customers run their entire hiring process on Pinpoint, reliability isnt a nice-to-have its core to our product promise. To keep scaling confidently, were adding a Software Engineer (Reliability & Tooling) to strengthen the feedback loop between our customers, Support, and Product, and to lay the foundation
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Home * Jobs - The role is available fully remotely. Remote London Limassol Tbilisi Yerevan - Are you ready to take your PHP skills to the next level? We are looking for a person experienced with PHP to drive the backend teams results. The main challenges will be to keep and improve the code from the perspective of one's experience, develop new unique features from scratch and ensure successful project delivery. * 3+ years of relevant work experience; * Strong knowledge of PHP 8+ and web frameworks such as Symfony or Laravel; * Proficiency in OOP, SOLID principles, and design patterns; * Experience working with PostgreSQL, MongoDB, and Redis; * Expertise in building REST APIs; * Expertise with Docker, ELK; * Familiarity with Git for version control; * Experience with GitLab or GitHub; * Upper Intermediate or higher level of English. * Self-organised and proactive attit
Home * Jobs - The role is available fully remotely. Remote London Limassol Tbilisi Yerevan - Are you ready to take your PHP skills to the next level? We are looking for a person experienced with PHP to drive the backend teams results. The main challenges will be to keep and improve the code from the perspective of one's experience, develop new unique features from scratch and ensure successful project delivery. * 3+ years of relevant work experience; * Strong knowledge of PHP 8+ and web frameworks such as Symfony or Laravel; * Proficiency in OOP, SOLID principles, and design patterns; * Experience working with PostgreSQL, MongoDB, and Redis; * Expertise in building REST APIs; * Expertise with Docker, ELK; * Familiarity with Git for version control; * Experience with GitLab or GitHub; * Upper Intermediate or higher level of English. * Self-organised and proactive attit
Home * Jobs - Remote London Tbilisi Yerevan - Are you ready to take your React and React Native skills to the next level? We are looking for an experienced JavaScript developer with a deep understanding of React. The main responsibilities will include the development of user interface components, refactoring and optimisation of existing code, and participation in mobile application development. Our projects are stable and long-term, with an active backlog of new front-office features. * 5+ years of experience as a Front-End Engineer; * Solid background in coding pure JavaScript; * Strong proficiency in React 18+, including hooks, context, and modern patterns; * Expert-level TypeScript experience with advanced types and strict configurations; * Strong knowledge of state management tools (Redux, MobX, Zustand, etc.);
Home * Jobs - Remote London Tbilisi Yerevan - Are you ready to take your React and React Native skills to the next level? We are looking for an experienced JavaScript developer with a deep understanding of React. The main responsibilities will include the development of user interface components, refactoring and optimisation of existing code, and participation in mobile application development. Our projects are stable and long-term, with an active backlog of new front-office features. * 5+ years of experience as a Front-End Engineer; * Solid background in coding pure JavaScript; * Strong proficiency in React 18+, including hooks, context, and modern patterns; * Expert-level TypeScript experience with advanced types and strict configurations; * Strong knowledge of state management tools (Redux, MobX, Zustand, etc.);
Related Jobs
Locations
- The City, City (EC3)
- The City, City (EC4)
- Southwark
- West Fields
- Canary Wharf
- Euston
- Frimley
- Holborn
- Ireland
- Mayfair
- City of London
- Central London
- Reading
- West End
- South West London
- Cambridge
- South East London
- Milton Keynes
- Brighton
- North West London
- London
- Berkshire
- Surrey
- Cambridgeshire
- Buckinghamshire
- Oxfordshire
- East Sussex
- Hampshire
- Essex
- Bedfordshire
- South East
- East Anglia