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58 Permanent API jobs in Battersea (SW11) + 20 miles
153 exact matches jobs are outside your preferred location
10 - The Quality Engineering team works in partnership with other Technology Functions and the Business to ensure quality delivery of our products. The team works in an Agile environment and is located globally. The team is independent in driving all decisions and is responsible for continuously improving customer experience, revenue growth and operations enablement through quick turn-around of development of our products with high quality. * Develop automation scripts that comply with organizational standards, creating reliable, reusable, and maintainable automated regression suites and test harnesses. * Utilize various tools and frameworks to create automation scripts with high-quality code to simplify testing scenarios. * Design and develop test plans and test cases based on functional and design specifications, execute test cases, and analyze and report test resul
10 - The Quality Engineering team works in partnership with other Technology Functions and the Business to ensure quality delivery of our products. The team works in an Agile environment and is located globally. The team is independent in driving all decisions and is responsible for continuously improving customer experience, revenue growth and operations enablement through quick turn-around of development of our products with high quality. * Develop automation scripts that comply with organizational standards, creating reliable, reusable, and maintainable automated regression suites and test harnesses. * Utilize various tools and frameworks to create automation scripts with high-quality code to simplify testing scenarios. * Design and develop test plans and test cases based on functional and design specifications, execute test cases, and analyze and report test resul
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London - Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for a proactive, thorough Senior Software Engineer to help build our Defi platform. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices. Build on our DeFi wallet platform, expanding support for multiple networks - Develop and integrate APIs from new and existing services, to our various product applications. Be a part of a dedicated engineering team committed to applying the highest
London - Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for a proactive, thorough Senior Software Engineer to help build our Defi platform. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices. Build on our DeFi wallet platform, expanding support for multiple networks - Develop and integrate APIs from new and existing services, to our various product applications. Be a part of a dedicated engineering team committed to applying the highest
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Live shows make us feel good. They're a time to hang with our friends, discover new artists or lose ourselves on a dancefloor. We're on a mission to bring all of this to more fans, more often and that's where you come in. We are looking for a Technical Support Engineer to join our Product Team and help provide solutions and support to keep DICE products running smoothly. At DICE, you'll be part of the company that's redefining live entertainment. It's a place where you can be yourself, influence the culture, and create work that you're proud of. About the role - As a Technical Support Engineer, you'll be working closely with the Product, Design and Engineering team to support the core business, which includes the Fan Support, Client Success, Field Ops and Account Management teams. This is a fantastic opportunity for an inquisitive individual who is eager to learn and
Live shows make us feel good. They're a time to hang with our friends, discover new artists or lose ourselves on a dancefloor. We're on a mission to bring all of this to more fans, more often and that's where you come in. We are looking for a Technical Support Engineer to join our Product Team and help provide solutions and support to keep DICE products running smoothly. At DICE, you'll be part of the company that's redefining live entertainment. It's a place where you can be yourself, influence the culture, and create work that you're proud of. About the role - As a Technical Support Engineer, you'll be working closely with the Product, Design and Engineering team to support the core business, which includes the Fan Support, Client Success, Field Ops and Account Management teams. This is a fantastic opportunity for an inquisitive individual who is eager to learn and
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27 June 2025 - Job Description - Reporting of the Role - This role reports to Lead Python Developer - Overview of job - We're looking for a multi-skilled, adaptable developer with a passion for high quality code to join our established development team. 3 best things about the job * Getting to work on some outstanding products that get used by over 30 million people. * Work in a team that this is a fun, creative and satisfying place for developers to work. * Work in a team where we believe in code reviews, paired programming, continuous integration, hack time and investing in developers to make them better. * Contributed to delivering phenomenal solutions for delivering the latest innovations to our digital products. * Proven a collaborative approach to delivering solutions. * Shown passion to learn new things and to share knowledge with others.
27 June 2025 - Job Description - Reporting of the Role - This role reports to Lead Python Developer - Overview of job - We're looking for a multi-skilled, adaptable developer with a passion for high quality code to join our established development team. 3 best things about the job * Getting to work on some outstanding products that get used by over 30 million people. * Work in a team that this is a fun, creative and satisfying place for developers to work. * Work in a team where we believe in code reviews, paired programming, continuous integration, hack time and investing in developers to make them better. * Contributed to delivering phenomenal solutions for delivering the latest innovations to our digital products. * Proven a collaborative approach to delivering solutions. * Shown passion to learn new things and to share knowledge with others.
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
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
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).
Strong knowledge of C#, SQL, database design, and .NET Core REST API.
Strong knowledge of C#, SQL, database design, and .NET Core REST API.
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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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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At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. Senior Implementation Engineer, Southampton (5 days a week) So, whats the role all about? We are looking for a talented implementation specialist to join our technology team. Primary focus will be on implementing the technical aspects of NiCE product deployments and non-standard configuration requests as well as assisting product teams to successfully introduce new products/versions. Championing supportability and delivering preventative actions on behalf of our customers is also key. How will you make an impact? * Implementing and supporting custom deployments and integration of vario
At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. Senior Implementation Engineer, Southampton (5 days a week) So, whats the role all about? We are looking for a talented implementation specialist to join our technology team. Primary focus will be on implementing the technical aspects of NiCE product deployments and non-standard configuration requests as well as assisting product teams to successfully introduce new products/versions. Championing supportability and delivering preventative actions on behalf of our customers is also key. How will you make an impact? * Implementing and supporting custom deployments and integration of vario
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Build models, services, and libraries that fulfil the stated API contract and metrics for a project
Build models, services, and libraries that fulfil the stated API contract and metrics for a project
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Knowledge and/or work experience with API's
Knowledge and/or work experience with API's
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To complement the efficient networking architecture, you will help designing Infrastructure-as-a-Service virtual network orchestration API-driven services to support tenants workloads security and performance SLAs for BMaaS, VMaaS and Kubernetes. * Hands-on experience developing secure and performant API-driven services (gRPC, ReST with transport encryption and strong authentication)
To complement the efficient networking architecture, you will help designing Infrastructure-as-a-Service virtual network orchestration API-driven services to support tenants workloads security and performance SLAs for BMaaS, VMaaS and Kubernetes. * Hands-on experience developing secure and performant API-driven services (gRPC, ReST with transport encryption and strong authentication)
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