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50 API jobs in South Croydon + 20 miles
158 exact matches jobs are outside your preferred location
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
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Proven experience leading cross-functional squads to deliver complex, high-impact initiatives in backend, API, or systems-focused domains. * Familiarity with API design and systems architecture.
Proven experience leading cross-functional squads to deliver complex, high-impact initiatives in backend, API, or systems-focused domains. * Familiarity with API design and systems architecture.
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Proven track record leading cross-functional squads to deliver complex, transformation initiatives in backend, API, and systems-focused domains.
Proven track record leading cross-functional squads to deliver complex, transformation initiatives in backend, API, and systems-focused domains.
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Continuously enhance technical credibility by staying current on cloud, API, and financial-tech ecosystem trends. * Hands-on experience with API-based integrations (REST/JSON, XML, message queues, event-driven systems).
Continuously enhance technical credibility by staying current on cloud, API, and financial-tech ecosystem trends. * Hands-on experience with API-based integrations (REST/JSON, XML, message queues, event-driven systems).
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Manage API/Feed demos, trials, and existing client relationships, ensuring high levels of customer satisfaction. Support sales efforts by delivering effective client presentations, conducting demos using Data Services products (API, Feeds, Snowflake, etc.), communicating our value proposition, providing quotes, and defining licensing/contract terms.
Manage API/Feed demos, trials, and existing client relationships, ensuring high levels of customer satisfaction. Support sales efforts by delivering effective client presentations, conducting demos using Data Services products (API, Feeds, Snowflake, etc.), communicating our value proposition, providing quotes, and defining licensing/contract terms.
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As an AI Backend Services Engineer at Labster, you will be instrumental in building robust backend services that leverage AI capabilities (particularly LLM APIs) to enhance personalized adaptive tutoring in immersive learning experiences. You'll play a pivotal role in designing, implementing, and scaling services that integrate with AI providers and automation tools to deliver educational content effectively, contributing significantly to Labster's mission to empower 100 million students globally with personal AI tutors that dramatically advance equal access to high-quality science and healthcare education. If youre passionate about working for a mission-driven organization and making a tangible difference in the world through education and healthcare innovation, please read on and apply! Responsibilities
As an AI Backend Services Engineer at Labster, you will be instrumental in building robust backend services that leverage AI capabilities (particularly LLM APIs) to enhance personalized adaptive tutoring in immersive learning experiences. You'll play a pivotal role in designing, implementing, and scaling services that integrate with AI providers and automation tools to deliver educational content effectively, contributing significantly to Labster's mission to empower 100 million students globally with personal AI tutors that dramatically advance equal access to high-quality science and healthcare education. If youre passionate about working for a mission-driven organization and making a tangible difference in the world through education and healthcare innovation, please read on and apply! Responsibilities
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Your Opportunity: Based in our Enfield office with a hybrid working model, youll join the Global Customer Satisfaction department as a Technical Support Specialist. If youre passionate about providing outstanding customer support, building strong client relationships, and enjoy working in a fast-paced, technology-focused environment, this is the role for you! Were seeking a dedicated French-speaking Technical Support Specialist to assist customers using EBSCO software solutions and help ensure their success. * Troubleshoot and resolve product-related issues * Guide clients through installation, configuration, and upgrades * Monitor customer casework and ensure timely resolution * Conduct proactive service meetings and communicate updates * Advocate for customer needs across internal teams * Deliver internal training and maintain support documentation
Your Opportunity: Based in our Enfield office with a hybrid working model, youll join the Global Customer Satisfaction department as a Technical Support Specialist. If youre passionate about providing outstanding customer support, building strong client relationships, and enjoy working in a fast-paced, technology-focused environment, this is the role for you! Were seeking a dedicated French-speaking Technical Support Specialist to assist customers using EBSCO software solutions and help ensure their success. * Troubleshoot and resolve product-related issues * Guide clients through installation, configuration, and upgrades * Monitor customer casework and ensure timely resolution * Conduct proactive service meetings and communicate updates * Advocate for customer needs across internal teams * Deliver internal training and maintain support documentation
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Location - London - Employment Type - Full time - Department - Product R&D - About G2 - The Company - When you join G2, youre joining the team that helps businesses reach their peak potential by powering decisions and strategies with trusted insights from real software users. G2 is the world's largest and most trusted software marketplace. More than 100 million people annually including employees at all Fortune 500 companies use G2 to make smarter software decisions based on authentic peer reviews. Thousands of software and services companies of all sizes partner with G2 to build their reputation and grow their business including Salesforce, HubSpot, Zoom, and Adobe. To learn more about where you go for software, visit and follow us on LinkedIn. As we continue on our growth journey, we are striving to be the most trusted data source in the age of AI for informing soft
Location - London - Employment Type - Full time - Department - Product R&D - About G2 - The Company - When you join G2, youre joining the team that helps businesses reach their peak potential by powering decisions and strategies with trusted insights from real software users. G2 is the world's largest and most trusted software marketplace. More than 100 million people annually including employees at all Fortune 500 companies use G2 to make smarter software decisions based on authentic peer reviews. Thousands of software and services companies of all sizes partner with G2 to build their reputation and grow their business including Salesforce, HubSpot, Zoom, and Adobe. To learn more about where you go for software, visit and follow us on LinkedIn. As we continue on our growth journey, we are striving to be the most trusted data source in the age of AI for informing soft
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Description - This is an exciting opportunity for a service delivery engineer (SDE) to play a key role in operating our innovative managed services. Working across our managed detection and response (MDR) and extended detection and response (XDR) offerings, the individual will be responsible for supporting customers throughout their time with Solis, from their initial technical onboarding to regular health checks and maintenance to ensure the service runs smoothly and effectively. This is a customer-facing role requiring strong verbal and written communication skills. Foundational technical knowledge is also key to ensure our tools are deployed and configured correctly. The candidate will also support the ongoing improvement of service delivery processes. Key Responsibilities - Onboarding and Maintenance
Description - This is an exciting opportunity for a service delivery engineer (SDE) to play a key role in operating our innovative managed services. Working across our managed detection and response (MDR) and extended detection and response (XDR) offerings, the individual will be responsible for supporting customers throughout their time with Solis, from their initial technical onboarding to regular health checks and maintenance to ensure the service runs smoothly and effectively. This is a customer-facing role requiring strong verbal and written communication skills. Foundational technical knowledge is also key to ensure our tools are deployed and configured correctly. The candidate will also support the ongoing improvement of service delivery processes. Key Responsibilities - Onboarding and Maintenance
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Company Overview - IMS is a leader in connected car and telematics services. We provide services and analytics to insurers, governments, and enterprises. We are proud to be the developer of the industry-acclaimed, cloud-based connected car platform. From insurers and governments to dealerships and everyday drivers, were proud to produce technology that makes driving - Safer. Smarter. Greener. Description - The Senior Data Scientist is responsible for developing and implementing advanced data science models, machine learning algorithms, and predictive analytics solutions to drive business insights, product innovation, and operational efficiencies at IMS. This role plays a critical part in enhancing telematics, mobility, and insurance technology solutions through data-driven decision-making, statistical analysis, and AI-driven automation.
Company Overview - IMS is a leader in connected car and telematics services. We provide services and analytics to insurers, governments, and enterprises. We are proud to be the developer of the industry-acclaimed, cloud-based connected car platform. From insurers and governments to dealerships and everyday drivers, were proud to produce technology that makes driving - Safer. Smarter. Greener. Description - The Senior Data Scientist is responsible for developing and implementing advanced data science models, machine learning algorithms, and predictive analytics solutions to drive business insights, product innovation, and operational efficiencies at IMS. This role plays a critical part in enhancing telematics, mobility, and insurance technology solutions through data-driven decision-making, statistical analysis, and AI-driven automation.
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Curve is a next-gen insights, analytics and technology consultancy that leverages digital consumer data and advanced technology to help businesses unlock consumer opportunities. Digital consumer data is powerful; its big, its real, and its always updating. We use a combination of in-house technology and bespoke solutions, powered by AI, to transform data from sources such as Social, Reviews, Search, and broader marketing and sales data. These reveal fresh insights for our clients; helping them to build better products and brands, to deliver effective marketing to consumers. 1. Natural Language Processing, GPT & other LLMs - 2. Marketing Data Science & Personalisation - 3. Data Engineering & Data Architecture - 4. As a start-up, we can move faster than most companies and do things differently. We have experienced rapid growth so far and were looking for a Senior Data E
Curve is a next-gen insights, analytics and technology consultancy that leverages digital consumer data and advanced technology to help businesses unlock consumer opportunities. Digital consumer data is powerful; its big, its real, and its always updating. We use a combination of in-house technology and bespoke solutions, powered by AI, to transform data from sources such as Social, Reviews, Search, and broader marketing and sales data. These reveal fresh insights for our clients; helping them to build better products and brands, to deliver effective marketing to consumers. 1. Natural Language Processing, GPT & other LLMs - 2. Marketing Data Science & Personalisation - 3. Data Engineering & Data Architecture - 4. As a start-up, we can move faster than most companies and do things differently. We have experienced rapid growth so far and were looking for a Senior Data E
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Engineering London, United Kingdom - Apply - Description - Position at RetailMeNot - The Opportunity - We're looking for a Test Engineer to work as part of our Engineering team in London. You will be joining a team of 25+ engineers in the UK across web, mobile and data, within a global team of 50+ engineers. As a Test Engineer you will be ensuring features are tested in an automated fashion to ensure maximum coverage to give our users the best possible experience. You know how testing fits within an agile environment and have an excellent attention to detail and are passionate about quality. Your role will form part of our full stack agile teams collaborating with Product, UI and Backend engineers. * Maintaining and developing automated test suites, aiming for constant improvement * Preventing bugs and issues by thinking of relevant scenarios that can help meet the va
Engineering London, United Kingdom - Apply - Description - Position at RetailMeNot - The Opportunity - We're looking for a Test Engineer to work as part of our Engineering team in London. You will be joining a team of 25+ engineers in the UK across web, mobile and data, within a global team of 50+ engineers. As a Test Engineer you will be ensuring features are tested in an automated fashion to ensure maximum coverage to give our users the best possible experience. You know how testing fits within an agile environment and have an excellent attention to detail and are passionate about quality. Your role will form part of our full stack agile teams collaborating with Product, UI and Backend engineers. * Maintaining and developing automated test suites, aiming for constant improvement * Preventing bugs and issues by thinking of relevant scenarios that can help meet the va
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About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
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Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Senior Software Security Engineer will be responsible for analysing software designs and implementations from a security perspective, identifying and proposing remediations to security issues throughout the software development lifecycle (SDLC). Job Description - This role is primarily hybrid, with occasional travel to our UK offices,
Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Senior Software Security Engineer will be responsible for analysing software designs and implementations from a security perspective, identifying and proposing remediations to security issues throughout the software development lifecycle (SDLC). Job Description - This role is primarily hybrid, with occasional travel to our UK offices,
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Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
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Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
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Knowledge of web API's, SOAP, REST architecture
Knowledge of web API's, SOAP, REST architecture
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Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
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Implement configuration changes (SSO, MFA, Lifecycle Management, API Access Management, etc.) in client environments. o API Access Management
Implement configuration changes (SSO, MFA, Lifecycle Management, API Access Management, etc.) in client environments. o API Access Management
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Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
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Responsibilities include understanding the client's world and use cases, managing requirements, platform training and configuration, dashboard creation, API enablement, partner workspace management (Newsletters, Reports), and troubleshooting. * Configure and optimise the Signal platform (dashboards, newsletters, reports, partner workspaces, API setups).
Responsibilities include understanding the client's world and use cases, managing requirements, platform training and configuration, dashboard creation, API enablement, partner workspace management (Newsletters, Reports), and troubleshooting. * Configure and optimise the Signal platform (dashboards, newsletters, reports, partner workspaces, API setups).
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Strong background in test automation ((Playwright, Appium, API,etc.)
Strong background in test automation ((Playwright, Appium, API,etc.)
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The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
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Securing and managing APIs using API Manager. * Managing the API development lifecycle from design to governance and management.
Securing and managing APIs using API Manager. * Managing the API development lifecycle from design to governance and management.
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Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
Through our platform a merchant can connect via a simple API connection to the world's payment ecosystem, increasing conversion at lower cost and satisfying their entire payments needs.
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