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Locations
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Date posted
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- The City, City (EC3)
- Southwark
- The City, City (EC4)
- Datchet Common
- Euston
- The City, City (EC2)
- West Fields
- White Hill
- Charing Cross
- Frimley
- City of London
- Reading
- South East London
- Central London
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- North West London
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- East London
- London
- Berkshire
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- Buckinghamshire
- Cambridgeshire
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- South East
- East Anglia
71 Contract API jobs in Charing Cross, Central London + 20 miles
261 exact matches jobs are outside your preferred location
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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 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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Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
Cybersecurity Incident Response Specialist - CONTRACT OPPORTUNITY * Remote with occasional trips to London (not expensed). * £750.00 per day. * 6 months. * ASAP start, ASAP interviews. * Right to work in the UK mandatory. The Cybersecurity Incident Response Specialist will be responsible for investigating, analysing and providing specialist expertise for the resolution of security incidents / attacks aimed at the client. Support the long-term strategic goals of Cyber Operations pillar support Senior Analysts and Analysts in managing incidents and liaise with SOC engineers to ensure appropriate security measures, technologies and processes are in place to avoid reoccurrence of incidents. * Demonstrate an ability to understand in detail how an incident has occurred without relying on alerts (e.g., reviewing logs and threat intelligence data).
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Do you want to be the engineer who builds Arms first AI infrastructure for predictive product quality insights and risk identification? Are you excited by the idea of taking full ownership of development while working with data and ML experts across the company? If so, this role is for you! About the Role - Were looking for a confident leader who can guide ambitious results collaboratively. As the sole developer in the team, youll collaborate with multiple data groups at Arm, creating automation workflows, APIs, and applications that connect datasets with ML models including innovative chat-to-data solutions. What Youll Do * Design and develop applications that integrate data pipelines, ML models, and user-friendly interfaces. * Build APIs and automation workflows using Databricks and related tools. * Apply Process Mining methods to uncover quality and risk insights.
Do you want to be the engineer who builds Arms first AI infrastructure for predictive product quality insights and risk identification? Are you excited by the idea of taking full ownership of development while working with data and ML experts across the company? If so, this role is for you! About the Role - Were looking for a confident leader who can guide ambitious results collaboratively. As the sole developer in the team, youll collaborate with multiple data groups at Arm, creating automation workflows, APIs, and applications that connect datasets with ML models including innovative chat-to-data solutions. What Youll Do * Design and develop applications that integrate data pipelines, ML models, and user-friendly interfaces. * Build APIs and automation workflows using Databricks and related tools. * Apply Process Mining methods to uncover quality and risk insights.
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Role: Senior Full Stack Engineer - Location: Remote - Salary: Competitive (Outside IR35) Type 6 month Contract - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client is a global professional services company focussed on cost reduction and programme management. They are currently looking for a skilled Full Stack Engineer to join on a 6 month project working fully remote. * Architect and implement robust backend services (Node.js, Python, or equivalent) * Build responsive, accessible front-end interfaces (React, Vue, or similar)
Role: Senior Full Stack Engineer - Location: Remote - Salary: Competitive (Outside IR35) Type 6 month Contract - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched contract and permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. Our client is a global professional services company focussed on cost reduction and programme management. They are currently looking for a skilled Full Stack Engineer to join on a 6 month project working fully remote. * Architect and implement robust backend services (Node.js, Python, or equivalent) * Build responsive, accessible front-end interfaces (React, Vue, or similar)
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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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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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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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Work with back-end teams to align API integration and interface logic.
Work with back-end teams to align API integration and interface logic.
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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Deep knowledge of at least one modern graphics API (DirectX 12)
Deep knowledge of at least one modern graphics API (DirectX 12)
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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Experience interacting with a variety of API technologies, such as REST, JSON and XML * Experience working with AWS, using services such as ECS, S3 and API Gateway (Optional)
Experience interacting with a variety of API technologies, such as REST, JSON and XML * Experience working with AWS, using services such as ECS, S3 and API Gateway (Optional)
Knowledge of API design principles, patterns (SOAP, REST), data formats (JSON, XML), and hands-on experience executing APIs through scripting.
Knowledge of API design principles, patterns (SOAP, REST), data formats (JSON, XML), and hands-on experience executing APIs through scripting.
Implement and optimize robust API integrations (REST and GraphQL) with backend systems. * Reliable delivery of API-driven features that meet product requirements. * Demonstrated experience building and maintaining API integrations (REST, GraphQL, or gRPC).
Implement and optimize robust API integrations (REST and GraphQL) with backend systems. * Reliable delivery of API-driven features that meet product requirements. * Demonstrated experience building and maintaining API integrations (REST, GraphQL, or gRPC).
Advanced understanding of good practice API development, integration, and testing (e.g. RESTful services, GraphQL). * Experience with both front-end (e.g. React, TypeScript) and back-end (.NET C#, ASP.NET) development, especially related to API consumption good practices such as schema validation, or event-driven architectures (e.g. webhooks).
Advanced understanding of good practice API development, integration, and testing (e.g. RESTful services, GraphQL). * Experience with both front-end (e.g. React, TypeScript) and back-end (.NET C#, ASP.NET) development, especially related to API consumption good practices such as schema validation, or event-driven architectures (e.g. webhooks).
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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Familiarity with application programming interfaces (API)
Familiarity with application programming interfaces (API)
Institutional User Experience (UX/API) This includes driving excellence across both the Web UI and API architecture, ensuring resilience, scalability, and ease of integration for institutional clients. * Proven ability to translate complex financial and security requirements into intuitive, compliance-aware user journeys for web platforms and B2B API integrations.
Institutional User Experience (UX/API) This includes driving excellence across both the Web UI and API architecture, ensuring resilience, scalability, and ease of integration for institutional clients. * Proven ability to translate complex financial and security requirements into intuitive, compliance-aware user journeys for web platforms and B2B API integrations.
AWS API Gateway
AWS API Gateway
Role: Java Engineer - Native Apps - Location: London office / Hybrid (2 days per week in the office) Reporting to: Engineering Manager - Rightmoves Native Apps are central to how millions of people find their next home. We are investing in creating faster, smarter, and more personalised mobile experiences, built on modern technology, powered by data, and driven by teams who care deeply about quality and collaboration. As part of this transformation, the Native Apps engineering group is becoming a space for experimentation and innovation, where backend systems and mobile experiences come together more seamlessly than ever before. Joining now means helping to shape how we design, build, and scale the technology that powers the UKs most trusted property platform, while contributing to an inclusive engineering culture that values learning, creativity, and impact. The Role
Role: Java Engineer - Native Apps - Location: London office / Hybrid (2 days per week in the office) Reporting to: Engineering Manager - Rightmoves Native Apps are central to how millions of people find their next home. We are investing in creating faster, smarter, and more personalised mobile experiences, built on modern technology, powered by data, and driven by teams who care deeply about quality and collaboration. As part of this transformation, the Native Apps engineering group is becoming a space for experimentation and innovation, where backend systems and mobile experiences come together more seamlessly than ever before. Joining now means helping to shape how we design, build, and scale the technology that powers the UKs most trusted property platform, while contributing to an inclusive engineering culture that values learning, creativity, and impact. The Role
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.);
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Locations
- The City, City (EC3)
- Southwark
- The City, City (EC4)
- Datchet Common
- Euston
- The City, City (EC2)
- West Fields
- White Hill
- Charing Cross
- Frimley
- City of London
- Reading
- South East London
- Central London
- West End
- Milton Keynes
- North West London
- South West London
- Cambridge
- East London
- London
- Berkshire
- Surrey
- Buckinghamshire
- Cambridgeshire
- Bedfordshire
- East Sussex
- Hampshire
- Oxfordshire
- Essex
- South East
- East Anglia