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- Shadwell
- The City, City (EC2)
- The City, City (EC3)
- Millwall
- Shoreditch
- The City, City (EC4)
- Charing Cross
- Fivensgreen
- Gilwell Park
- Haslemere Industrial Estate
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65 API jobs in Marylebone (W1) + 20 miles
179 exact matches jobs are outside your preferred location
Location: London or UK Remote - Reporting to: Technical Lead, Hometree Services - About Hometree - Join Hometree Group and be at the forefront of transforming the residential energy landscape. Founded in 2015, Hometree began in the home cover market. Today were spearheading the shift to decentralised, digitised home energy systems using heat pumps, solar panels, batteries, EV chargers and smart controls. This approach isnt just about sustainability; it empowers homeowners to manage energy more efficiently and cost-effectively, setting new standards in energy consumption. * Financial Services: Here, you'll contribute to offering flexible financing options that make it feasible for homeowners to embrace renewable energy technologies and make essential upgrades. * Energy Services: Be part of our extensive network of local installation businesses that equip homeowners wit
Location: London or UK Remote - Reporting to: Technical Lead, Hometree Services - About Hometree - Join Hometree Group and be at the forefront of transforming the residential energy landscape. Founded in 2015, Hometree began in the home cover market. Today were spearheading the shift to decentralised, digitised home energy systems using heat pumps, solar panels, batteries, EV chargers and smart controls. This approach isnt just about sustainability; it empowers homeowners to manage energy more efficiently and cost-effectively, setting new standards in energy consumption. * Financial Services: Here, you'll contribute to offering flexible financing options that make it feasible for homeowners to embrace renewable energy technologies and make essential upgrades. * Energy Services: Be part of our extensive network of local installation businesses that equip homeowners wit
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About The Role - Taktile is a high-growth, post product-market-fit start-up, on a fast trajectory to becoming market leader in the field of automated decisioning. We are looking for a Forward Deployed Engineer to help us transform how our customers make critical business decisions by onboarding them onto Taktile and ensuring they get real value from our platform. Acting as a trusted advisor, youll support customers in reaching their goals and maximizing Taktiles impact. If youre passionate about tech and AI, and have experience with Python, SQL, and REST APIs, youll thrive here. This role is also open to fresh graduates. What You'll Do as Forward Deployed Engineer * Work on complex Taktile deployments in production. You own technical delivery from scoping to stable production. * Apply your technical expertise, problem-solving skills and creativity to help organization
About The Role - Taktile is a high-growth, post product-market-fit start-up, on a fast trajectory to becoming market leader in the field of automated decisioning. We are looking for a Forward Deployed Engineer to help us transform how our customers make critical business decisions by onboarding them onto Taktile and ensuring they get real value from our platform. Acting as a trusted advisor, youll support customers in reaching their goals and maximizing Taktiles impact. If youre passionate about tech and AI, and have experience with Python, SQL, and REST APIs, youll thrive here. This role is also open to fresh graduates. What You'll Do as Forward Deployed Engineer * Work on complex Taktile deployments in production. You own technical delivery from scoping to stable production. * Apply your technical expertise, problem-solving skills and creativity to help organization
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FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate , serve as a compass in our decision-making, and play a big role in how we treat each other, our clients, and our communities. We believe that the best ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients needs and exceeding their expectations. Your Team's Impact - Platform Engineers in the FactSet.io group architect, build, and maintain a Platform-as-a-Service infrastructure used by all developers at FactSet. Youll operate in both the development and systems world, writing software that helps scale the s
FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate , serve as a compass in our decision-making, and play a big role in how we treat each other, our clients, and our communities. We believe that the best ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients needs and exceeding their expectations. Your Team's Impact - Platform Engineers in the FactSet.io group architect, build, and maintain a Platform-as-a-Service infrastructure used by all developers at FactSet. Youll operate in both the development and systems world, writing software that helps scale the s
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Choco is on a mission to enable the global food system to become sustainable by optimizing the way food is sold, ordered, distributed, and financed. Our AI-focused software connects distributors with their customers to operate waste-free and efficiently. A problem of this magnitude requires a massive scale and only the best people will be able to solve it. Are you in? Heres what were up to: Choco to life for our customers. At Choco, we believe technology should feel human. As a member of the Solutions Team , youll bring our vision to life: activating the full potential of Chocos products and people. Youll empower our Go-To-Market teams to deliver resilient results through scalable tools, evolving playbooks, and data-driven processes. As our first Demo Engineering Analyst , youll design the systems that allow our sales and customer success teams to show Chocos value in
Choco is on a mission to enable the global food system to become sustainable by optimizing the way food is sold, ordered, distributed, and financed. Our AI-focused software connects distributors with their customers to operate waste-free and efficiently. A problem of this magnitude requires a massive scale and only the best people will be able to solve it. Are you in? Heres what were up to: Choco to life for our customers. At Choco, we believe technology should feel human. As a member of the Solutions Team , youll bring our vision to life: activating the full potential of Chocos products and people. Youll empower our Go-To-Market teams to deliver resilient results through scalable tools, evolving playbooks, and data-driven processes. As our first Demo Engineering Analyst , youll design the systems that allow our sales and customer success teams to show Chocos value in
8x8, Inc. (NASDAQ: EGHT) believes that CX limits were meant to be shattered. We connect people and organizations through seamless communication on the industry's most integrated platform for Customer Experiencecombining Contact Center, Unified Communications, and CPaaS APIs. The 8x8 Platform for CX integrates AI at every level to enable personalized customer journeys, drive operational excellence and insights, and facilitate team collaboration. We help customer experience and IT leaders become the heartbeat of their organizations, empowering them to unlock the potential of every interaction. With one platform, one ecosystem, and one data model, you can turn every team into a customer-facing team and unify your CX to conquer the complexity. As an organization, we are looking for Team8s who are AI-proficient, open to innovation, and skilled in leveraging AI for efficien
8x8, Inc. (NASDAQ: EGHT) believes that CX limits were meant to be shattered. We connect people and organizations through seamless communication on the industry's most integrated platform for Customer Experiencecombining Contact Center, Unified Communications, and CPaaS APIs. The 8x8 Platform for CX integrates AI at every level to enable personalized customer journeys, drive operational excellence and insights, and facilitate team collaboration. We help customer experience and IT leaders become the heartbeat of their organizations, empowering them to unlock the potential of every interaction. With one platform, one ecosystem, and one data model, you can turn every team into a customer-facing team and unify your CX to conquer the complexity. As an organization, we are looking for Team8s who are AI-proficient, open to innovation, and skilled in leveraging AI for efficien
Company Description - MUFG Investor Services is a trusted partner to many of the worlds largest public and private funds, providing asset servicing and operational solutions built for alternatives. With over $1 trillion in client assets under administration, we offer fund administration, banking, payments, fund financing, foreign exchange overlay, corporate and regulatory services, custody, business consulting, and more. Operating from 17 locations worldwide, we help clients mitigate risk, enhance efficiency, and navigate the operational complexities of todays investment management landscape. As a division of Mitsubishi UFJ Financial Group (MUFG), one of the worlds largest financial institutions with approximately $3 trillion in assets, we combine deep expertise with the strength and stability of a leading financial institution. To learn more, visit us at #LI-Hybrid
Company Description - MUFG Investor Services is a trusted partner to many of the worlds largest public and private funds, providing asset servicing and operational solutions built for alternatives. With over $1 trillion in client assets under administration, we offer fund administration, banking, payments, fund financing, foreign exchange overlay, corporate and regulatory services, custody, business consulting, and more. Operating from 17 locations worldwide, we help clients mitigate risk, enhance efficiency, and navigate the operational complexities of todays investment management landscape. As a division of Mitsubishi UFJ Financial Group (MUFG), one of the worlds largest financial institutions with approximately $3 trillion in assets, we combine deep expertise with the strength and stability of a leading financial institution. To learn more, visit us at #LI-Hybrid
Soho, London - Monday to Thursday in the office with Fridays off (full salary maintained) - this new 4-day work week is a 6-month trial, starting 19th May 2025. We're on a mission to embed AI-driven, intelligent automation across our gambling-tech business. As the first dedicated AI Specialist , you will identify opportunities and deliver production-ready automations that free people up, reduce risk, and set strong foundations for a future AI team. At LiveScore Group, we're the proud home of three of the most exciting brands in the sports and gaming world: LiveScore, LiveScore Bet and Virgin Bet. A fully owned and operated ecosystem that converges the two worlds of sports media and sports betting. We're proud of the high ratings for our commitment to excellence and fueling fan's passion for sport driving us to the top. We don't just lead; we innovate.
Soho, London - Monday to Thursday in the office with Fridays off (full salary maintained) - this new 4-day work week is a 6-month trial, starting 19th May 2025. We're on a mission to embed AI-driven, intelligent automation across our gambling-tech business. As the first dedicated AI Specialist , you will identify opportunities and deliver production-ready automations that free people up, reduce risk, and set strong foundations for a future AI team. At LiveScore Group, we're the proud home of three of the most exciting brands in the sports and gaming world: LiveScore, LiveScore Bet and Virgin Bet. A fully owned and operated ecosystem that converges the two worlds of sports media and sports betting. We're proud of the high ratings for our commitment to excellence and fueling fan's passion for sport driving us to the top. We don't just lead; we innovate.
Scope: Full-Time Employment Location: London (Camden Borough) Hybrid Work Policy: 3x per week in office Industry: Fintech/Insurtech * Develop and maintain backend services and APIs using Python * Collaborate with cross-functional teams, serving as a technical lead to refine product requirements. * Ensure code quality and reliability through automated testing. * Provide technical guidance to optimize and scale databaser architecture. * Backend development experience using Python for minimum 5 years * Cloud deploymentGCP experience * Strong understanding of scalable server-side architecture * Experience with cloud deployment * Problem solving skills * Familiarity with start-up environments
Scope: Full-Time Employment Location: London (Camden Borough) Hybrid Work Policy: 3x per week in office Industry: Fintech/Insurtech * Develop and maintain backend services and APIs using Python * Collaborate with cross-functional teams, serving as a technical lead to refine product requirements. * Ensure code quality and reliability through automated testing. * Provide technical guidance to optimize and scale databaser architecture. * Backend development experience using Python for minimum 5 years * Cloud deploymentGCP experience * Strong understanding of scalable server-side architecture * Experience with cloud deployment * Problem solving skills * Familiarity with start-up environments
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
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Automate API testing using tools such as Postman, RestAssured, or equivalent . * RestAssured (BDD), Postman (for API testing).
Automate API testing using tools such as Postman, RestAssured, or equivalent . * RestAssured (BDD), Postman (for API testing).
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A strong technical acumen and familiarity working with Jira, REST API, JSON, SAML SSO, and Azure DevOps
A strong technical acumen and familiarity working with Jira, REST API, JSON, SAML SSO, and Azure DevOps
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Experience with ARTIQ systems, or controlling hardware via python API.
Experience with ARTIQ systems, or controlling hardware via python API.
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2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
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Strong knowledge of C#, SQL, database design, and .NET Core REST API.
Strong knowledge of C#, SQL, database design, and .NET Core REST API.
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Technical skills: Comfortable using browser developer tools and familiar with basic API testing (Postman experience preferred)
Technical skills: Comfortable using browser developer tools and familiar with basic API testing (Postman experience preferred)
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Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
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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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Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
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Support the Developer & API team in the creation of targeted messaging and marketing strategies to influence awareness and adoption of Mastercard products among developers as part of the buying committee.
Support the Developer & API team in the creation of targeted messaging and marketing strategies to influence awareness and adoption of Mastercard products among developers as part of the buying committee.
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Define and maintain API specifications. You understand and have implemented Application Programming Interface (API) standards and cataloguing to drive API/service adoption and commercialization.
Define and maintain API specifications. You understand and have implemented Application Programming Interface (API) standards and cataloguing to drive API/service adoption and commercialization.
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Experience with API integrations.
Experience with API integrations.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Related Jobs
Locations
- Shadwell
- The City, City (EC2)
- The City, City (EC3)
- Millwall
- Shoreditch
- The City, City (EC4)
- Charing Cross
- Fivensgreen
- Gilwell Park
- Haslemere Industrial Estate
- City of London
- Central London
- West End
- East London
- North West London
- Windsor
- Bedford
- Milton Keynes
- Reading
- Cambridge
- London
- Berkshire
- Bedfordshire
- Buckinghamshire
- Surrey
- Cambridgeshire
- Hertfordshire
- Oxfordshire
- West Sussex
- Hampshire
- South East
- East Anglia