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133 API jobs in South East London + 20 miles
672 exact matches jobs are outside your preferred location
Familiarity with API integrations, data security, and reporting frameworks
Familiarity with API integrations, data security, and reporting frameworks
You can interact confidently with cloud platforms including AWS & GCP via CLI and/or API
You can interact confidently with cloud platforms including AWS & GCP via CLI and/or API
Experience in managing SaaS and API products with good understanding of XML, JSON and REST.
Experience in managing SaaS and API products with good understanding of XML, JSON and REST.
Facilitate Onboarding: You'll be responsible for the technical onboarding of new clients, guiding them through API documentation, troubleshooting integration issues, and ensuring a seamless transition.
Facilitate Onboarding: You'll be responsible for the technical onboarding of new clients, guiding them through API documentation, troubleshooting integration issues, and ensuring a seamless transition.
We're seeking someone with exceptional software development knowledge and API integration expertise.
We're seeking someone with exceptional software development knowledge and API integration expertise.
The platform is a Rust based application and our API is mostly built on Workers or Golang.
The platform is a Rust based application and our API is mostly built on Workers or Golang.
Work on our cloud components which include our API backend services and Kubernetes controllers.
Work on our cloud components which include our API backend services and Kubernetes controllers.
Good understanding of API technologies and troubleshooting
Good understanding of API technologies and troubleshooting
At the time of inception, cloud-based systems and API fluency were new.
At the time of inception, cloud-based systems and API fluency were new.
Data & Analytics Product Manager (London, New York, or Singapore)
Data & Analytics Product Manager (London, New York, or Singapore)
Lloyds List Intelligence
London
Competitive
Strong technical understanding of data delivery and API technologies, protocols and best practises
Strong technical understanding of data delivery and API technologies, protocols and best practises
Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Define and manage the external access layer , creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Define and manage the external access layer , creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
We are seeking a proactive and growth-driven CRM Architect to support our VIP and Growth teams by managing the implementation, configuration, and ongoing support of a dedicated CRM platform. The ideal candidate will possess expertise in CRM solutions (e.g., Salesforce), have a strategic mindset for solving business challenges, and act as a thought partner in scaling the VIP program and growth-focused initiatives. This role will play a critical part in delivering a best-in-class experience for our relationship managers, our high-value clients and enabling business growth through the CRM system. Responsibilities * Serve as the primary architect for the CRM platform, overseeing day-to-day configuration, user support, and system optimization. * Design and customize CRM objects, fields, workflows, reports, dashboards, and page layouts to address evolving business needs.
We are seeking a proactive and growth-driven CRM Architect to support our VIP and Growth teams by managing the implementation, configuration, and ongoing support of a dedicated CRM platform. The ideal candidate will possess expertise in CRM solutions (e.g., Salesforce), have a strategic mindset for solving business challenges, and act as a thought partner in scaling the VIP program and growth-focused initiatives. This role will play a critical part in delivering a best-in-class experience for our relationship managers, our high-value clients and enabling business growth through the CRM system. Responsibilities * Serve as the primary architect for the CRM platform, overseeing day-to-day configuration, user support, and system optimization. * Design and customize CRM objects, fields, workflows, reports, dashboards, and page layouts to address evolving business needs.
About hyperexponential (hx) At hyperexponential, were building the AI-powered platform that enables the worlds most critical decisions in a $7 trillion industry - which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch into space, autonomous vehicles make it to market, or communities recover after major storms. Until now, insurers have been making billion-dollar decisions using outdated tools. Were changing that. Our platform brings together data, AI, and human expertise to give insurers the fastest path from submission to decision - helping them move faster, act smarter, and take on more risk with confidence. Backed by a16z, Highland Europe, and Battery Ventures, were scaling globally - already trusted by nearly 50 of the worlds largest insurers, with zero churn and billions in premiums .
About hyperexponential (hx) At hyperexponential, were building the AI-powered platform that enables the worlds most critical decisions in a $7 trillion industry - which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch into space, autonomous vehicles make it to market, or communities recover after major storms. Until now, insurers have been making billion-dollar decisions using outdated tools. Were changing that. Our platform brings together data, AI, and human expertise to give insurers the fastest path from submission to decision - helping them move faster, act smarter, and take on more risk with confidence. Backed by a16z, Highland Europe, and Battery Ventures, were scaling globally - already trusted by nearly 50 of the worlds largest insurers, with zero churn and billions in premiums .
Reporting to our Solutions Architect Team Lead, Alex Karet - About us - At hyperexponential, our mission is to help the world take more risk - safely. Our SaaS platform, hx Renew , is transforming the insurance industry by enabling insurers to make better decisions, faster and more confidently than ever before. In the seven years since our founding, weve become the market leader. We work with 40+ customers globally - including a third of the London Market - and were only just getting started. Its always the best time to join hyperexponential. But the best best time? Thats now. Field Engineering at hyperexponential - Our Field Engineering team provides a world-class technical capability to our Revenue function, with a mission to supercharge its three core pillars of Sales, Marketing, and Customer. Our primary objective is to help our customers realise the full value an
Reporting to our Solutions Architect Team Lead, Alex Karet - About us - At hyperexponential, our mission is to help the world take more risk - safely. Our SaaS platform, hx Renew , is transforming the insurance industry by enabling insurers to make better decisions, faster and more confidently than ever before. In the seven years since our founding, weve become the market leader. We work with 40+ customers globally - including a third of the London Market - and were only just getting started. Its always the best time to join hyperexponential. But the best best time? Thats now. Field Engineering at hyperexponential - Our Field Engineering team provides a world-class technical capability to our Revenue function, with a mission to supercharge its three core pillars of Sales, Marketing, and Customer. Our primary objective is to help our customers realise the full value an
Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
Provide guidance to customers who are implementing solutions using the Sprinklr API. * Analyze backend code and API requests/responses. * Create API Extensions using 3rd party API endpoints to be consumed within Sprinklr workflows. * Proven track record with API-based integrations (REST, JSON, authentication flows such as OAuth 2.0).
Distributed Systems Engineer - Data Platform (Delivery, Database, Retrieval)
Distributed Systems Engineer - Data Platform (Delivery, Database, Retrieval)
Cloudflare
London
Competitive
This includes developing our public GraphQL API, building robust log delivery solutions and integrations with customer destinations, and contributing to our alerting products, which empower users to configure and receive near real-time alerts based on the logs and metrics observed by our data platform.
This includes developing our public GraphQL API, building robust log delivery solutions and integrations with customer destinations, and contributing to our alerting products, which empower users to configure and receive near real-time alerts based on the logs and metrics observed by our data platform.
Role Senior Consultant - Technology Inrule BRMS & .Net - Business Unit INS-ADM - Compensation Competitive (including bonus) We are seeking a highly skilled senior developer with expertise in InRule Business Rules Management System (BRMS) and .NET technologies . The ideal candidate will have 7+ years of overall IT experience, including 23 years of hands-on experience with InRule , and will be responsible for leading the design, development, and integration of rule-based solutions within enterprise applications. Your role * Lead the design and implementation of business rule solutions using InRule BRMS. * Collaborate with business analysts and stakeholders to gather rule requirements and translate them into technical specifications. * Integrate InRule with enterprise applications and APIs, including .NET, RESTful services, and cloud platforms.
Role Senior Consultant - Technology Inrule BRMS & .Net - Business Unit INS-ADM - Compensation Competitive (including bonus) We are seeking a highly skilled senior developer with expertise in InRule Business Rules Management System (BRMS) and .NET technologies . The ideal candidate will have 7+ years of overall IT experience, including 23 years of hands-on experience with InRule , and will be responsible for leading the design, development, and integration of rule-based solutions within enterprise applications. Your role * Lead the design and implementation of business rule solutions using InRule BRMS. * Collaborate with business analysts and stakeholders to gather rule requirements and translate them into technical specifications. * Integrate InRule with enterprise applications and APIs, including .NET, RESTful services, and cloud platforms.
Crucially, the ability to understand how these tools integrate (data flow, API concepts) is essential, even if they're not building the integrations from scratch.
Crucially, the ability to understand how these tools integrate (data flow, API concepts) is essential, even if they're not building the integrations from scratch.
Are you an experienced Lead Java Developer with a proven track record of delivering high-quality, scalable solutions? Do you have expertise in working on large projects in financial markets and excellent communication and problem-solving skills? You then have a fantastic opportunity to join a multidisciplinary team and work on impactful projects within the financial markets, where cutting-edge technology meets complex business needs. In this hybrid role, youll lead the development of enterprise-grade solutions, collaborating with stakeholders to design, build and maintain microservices that power the future of financial systems. Youll also have the opportunity to address architectural decisions, optimize database performance and mentor junior team members, ensuring best practices and robust engineering standards across the board. Responsibilities
Are you an experienced Lead Java Developer with a proven track record of delivering high-quality, scalable solutions? Do you have expertise in working on large projects in financial markets and excellent communication and problem-solving skills? You then have a fantastic opportunity to join a multidisciplinary team and work on impactful projects within the financial markets, where cutting-edge technology meets complex business needs. In this hybrid role, youll lead the development of enterprise-grade solutions, collaborating with stakeholders to design, build and maintain microservices that power the future of financial systems. Youll also have the opportunity to address architectural decisions, optimize database performance and mentor junior team members, ensuring best practices and robust engineering standards across the board. Responsibilities
Contractual hours - 36.25 - Basis - Full time - Job category/type * Central Functions - Date posted - 10/09/2025 - REQ003131 - Location: London Grade: Consultant Employment Type: Permanent, Full Time Remote REQ003131 - XPS Pensions Group is no ordinary company. We've earned numerous awards and accolades, making us an industry leader in Pensions Consultancy. As the largest pure pensions consultancy in the UK, we are a team of approximately 2000 employees spread across 15 locations nationwide. Listed on the London Stock Exchange Main Market, we pride ourselves on our ability to think and act differently, offering expert advice to over 1600 pension schemes and administering pensions for over 1,000,000 members. We are currently seeking Power Platform Developer to join our IT team. XPS Group IT provides IT services to all 2000 employees in offices located across the UK and
Contractual hours - 36.25 - Basis - Full time - Job category/type * Central Functions - Date posted - 10/09/2025 - REQ003131 - Location: London Grade: Consultant Employment Type: Permanent, Full Time Remote REQ003131 - XPS Pensions Group is no ordinary company. We've earned numerous awards and accolades, making us an industry leader in Pensions Consultancy. As the largest pure pensions consultancy in the UK, we are a team of approximately 2000 employees spread across 15 locations nationwide. Listed on the London Stock Exchange Main Market, we pride ourselves on our ability to think and act differently, offering expert advice to over 1600 pension schemes and administering pensions for over 1,000,000 members. We are currently seeking Power Platform Developer to join our IT team. XPS Group IT provides IT services to all 2000 employees in offices located across the UK and
Lead the design and implementation of comprehensive quality strategies across platforms like Salesforce, Azure, and AWS, including test approaches (unit, integration, API, UI, performance, security, accessibility) and automation frameworks using C#, Python, Apex, and TypeScript. Proven test automation skills using tools like Selenium, Playwright, Cypress, pytest, xUnit/NUnit, or Jest for functional, integration, API, and end-to-end testing.
Lead the design and implementation of comprehensive quality strategies across platforms like Salesforce, Azure, and AWS, including test approaches (unit, integration, API, UI, performance, security, accessibility) and automation frameworks using C#, Python, Apex, and TypeScript. Proven test automation skills using tools like Selenium, Playwright, Cypress, pytest, xUnit/NUnit, or Jest for functional, integration, API, and end-to-end testing.
NEW
Architecture and security-by-design, translating business needs into scalable, API-first solutions, applying OWASP principles, OAuth2/OIDC, and secure coding practices.
Architecture and security-by-design, translating business needs into scalable, API-first solutions, applying OWASP principles, OAuth2/OIDC, and secure coding practices.
Enterprise Data Architect (Platform Documentation) - 3/6 month - Remote
Enterprise Data Architect (Platform Documentation) - 3/6 month - Remote
Fourth Limited
London
Competitive
Our Story - In July 2019, Fourth joined forces with HotSchedules to become the global leader in end-to-end restaurant and hospitality management technology solutions. Together, the merged company now represents the worlds largest and only provider of end-to-end restaurant and hospitality management solutions for customers across the globe and of all sizes, from a single location or franchisee restaurant to a global restaurant or hotel chain. The combined companys complete software-as-service (SaaS) solution suite including scheduling, time & attendance, applicant tracking, training, inventory management / procurement, HR / benefits and payroll services now serves customers in 120,000 locations worldwide and is supported by a dedicated, unified team across offices in the US, UK, Bulgaria, China, Australia, and UAE. Interested in joining our smart, fun, and talented tea
Our Story - In July 2019, Fourth joined forces with HotSchedules to become the global leader in end-to-end restaurant and hospitality management technology solutions. Together, the merged company now represents the worlds largest and only provider of end-to-end restaurant and hospitality management solutions for customers across the globe and of all sizes, from a single location or franchisee restaurant to a global restaurant or hotel chain. The combined companys complete software-as-service (SaaS) solution suite including scheduling, time & attendance, applicant tracking, training, inventory management / procurement, HR / benefits and payroll services now serves customers in 120,000 locations worldwide and is supported by a dedicated, unified team across offices in the US, UK, Bulgaria, China, Australia, and UAE. Interested in joining our smart, fun, and talented tea
About Us - Do you want to work on the most pressing problem of our generation? Do you have experience building great products and know what it's like to roll up your sleeves and execute well, while building a company around you for the long term? If you truly know what it feels like to fly the plane while trying to build it, we want to hear from you. We're looking for the best software engineers in the world to join a growing series A startup. At CarbonChain we see the climate crisis as a transformative opportunity for the global economy, and a rewarding career opportunity for those excited to take on the challenge in a rapidly growing market. Decarbonizing the economy requires a granular, real-time view of where emissions come from and how they might be reduced. We've built software to automate the carbon footprinting of supply chains so their emissions can be measur
About Us - Do you want to work on the most pressing problem of our generation? Do you have experience building great products and know what it's like to roll up your sleeves and execute well, while building a company around you for the long term? If you truly know what it feels like to fly the plane while trying to build it, we want to hear from you. We're looking for the best software engineers in the world to join a growing series A startup. At CarbonChain we see the climate crisis as a transformative opportunity for the global economy, and a rewarding career opportunity for those excited to take on the challenge in a rapidly growing market. Decarbonizing the economy requires a granular, real-time view of where emissions come from and how they might be reduced. We've built software to automate the carbon footprinting of supply chains so their emissions can be measur