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116 Permanent API jobs in The City, City of London + 20 miles
399 exact matches jobs are outside your preferred location
About The Role Purpose - Reporting to the Head of Data Insight & Analytics, this role will support with the development and progression of 7IMs business intelligence and insight capability. Sitting within the Data & Analytics team, this role will directly support 7IMs Private Wealth brands through building dashboards, insight tools and supporting key stakeholders, including the Private Wealth business heads, with data-driven decision making. The role would suit an experienced and driven individual who is looking for an opportunity to advance their understanding of data, working closely with business leaders to generate meaningful insight. Responsibilities * Act as the subject matter expert (SME) for data analytics and visualization to 7IMs Private Wealth brands (Partners Wealth Management, Amicus Wealth, Johnston Carmichael Wealth and 7IM Private Client).
About The Role Purpose - Reporting to the Head of Data Insight & Analytics, this role will support with the development and progression of 7IMs business intelligence and insight capability. Sitting within the Data & Analytics team, this role will directly support 7IMs Private Wealth brands through building dashboards, insight tools and supporting key stakeholders, including the Private Wealth business heads, with data-driven decision making. The role would suit an experienced and driven individual who is looking for an opportunity to advance their understanding of data, working closely with business leaders to generate meaningful insight. Responsibilities * Act as the subject matter expert (SME) for data analytics and visualization to 7IMs Private Wealth brands (Partners Wealth Management, Amicus Wealth, Johnston Carmichael Wealth and 7IM Private Client).
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
DriveScore is searching for an experienced Android Engineer to join our innovative engineering team. This role offers a unique opportunity to drive significant improvements and advancements in DriveScores use of Kotlin Multiplatform Mobile (KMM), delivering seamless features across both iOS and Android platforms from a single codebase. DriveScores mission is to disrupt the car insurance market by making it more transparent, accessible, and user-centric than ever before. Leveraging cutting-edge telematics technology and data analytics, DriveScore provides users with personalised car insurance offers and insights, helping people make informed decisions about their car insurance needs. As a Senior Android Engineer, you will have strong Kotlin knowledge, guiding DriveScores native engineering strategy, collaborating across squads, and mentoring other engineers.
DriveScore is searching for an experienced Android Engineer to join our innovative engineering team. This role offers a unique opportunity to drive significant improvements and advancements in DriveScores use of Kotlin Multiplatform Mobile (KMM), delivering seamless features across both iOS and Android platforms from a single codebase. DriveScores mission is to disrupt the car insurance market by making it more transparent, accessible, and user-centric than ever before. Leveraging cutting-edge telematics technology and data analytics, DriveScore provides users with personalised car insurance offers and insights, helping people make informed decisions about their car insurance needs. As a Senior Android Engineer, you will have strong Kotlin knowledge, guiding DriveScores native engineering strategy, collaborating across squads, and mentoring other engineers.
We are looking for a CRM Technology Manager (CRM Braze Specialist) to join our Martech team. This role will play a critical part in the successful delivery of our global Braze migration and, beyond migration, will take ownership for unlocking new features and capabilities within Braze to accelerate ClearScores CRM strategy. Youll combine technical expertise, problem-solving, and cross-functional collaboration to ensure our lifecycle marketing platforms are stable, scalable, and delivering measurable business impact. Key Responsibilities - Migration Delivery * Support the migration of remaining markets to Braze, ensuring stability, consistency, and minimal disruption. * Quickly learn and manage delivery from our legacy CEP (Blueshift), ensuring smooth transition off the platform and into Braze. * Partner with CRM, Data, and Engineering teams to configure Braze instance
We are looking for a CRM Technology Manager (CRM Braze Specialist) to join our Martech team. This role will play a critical part in the successful delivery of our global Braze migration and, beyond migration, will take ownership for unlocking new features and capabilities within Braze to accelerate ClearScores CRM strategy. Youll combine technical expertise, problem-solving, and cross-functional collaboration to ensure our lifecycle marketing platforms are stable, scalable, and delivering measurable business impact. Key Responsibilities - Migration Delivery * Support the migration of remaining markets to Braze, ensuring stability, consistency, and minimal disruption. * Quickly learn and manage delivery from our legacy CEP (Blueshift), ensuring smooth transition off the platform and into Braze. * Partner with CRM, Data, and Engineering teams to configure Braze instance
At Lunar Energy, we're on a mission to transform the way we power our homes by building an ecosystem of all-electric products, starting with a next-generation home battery system and a cloud PaaS to manage large fleets of Distributed Energy Resources (DER) assets. Comprising a team of visionary entrepreneurs and dedicated technology and industry experts, we're united by our shared vision of deploying and building products to electrify homes that are connected through an integrated software platform. We're looking for a Staff Software Engineer to join our talented team of Software Engineers in the UK. * Building the required platform infrastructure to ingest and process big streams of data in real time, using AWS primitives * Solving complex optimisation problems, using machine learning and other often bespoke algorithms
At Lunar Energy, we're on a mission to transform the way we power our homes by building an ecosystem of all-electric products, starting with a next-generation home battery system and a cloud PaaS to manage large fleets of Distributed Energy Resources (DER) assets. Comprising a team of visionary entrepreneurs and dedicated technology and industry experts, we're united by our shared vision of deploying and building products to electrify homes that are connected through an integrated software platform. We're looking for a Staff Software Engineer to join our talented team of Software Engineers in the UK. * Building the required platform infrastructure to ingest and process big streams of data in real time, using AWS primitives * Solving complex optimisation problems, using machine learning and other often bespoke algorithms
Full Time Retail & Brand Solutions Team - VoucherCodes is part of Ziff Davis Shopping, which helps millions of shoppers discover and save, delivering exceptional consumer and merchant-advertiser experiences across a portfolio of leading mobile and ecommerce brands. We operate across multiple markets, connecting millions of consumers with top retailers worldwide. Right now, 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.
Full Time Retail & Brand Solutions Team - VoucherCodes is part of Ziff Davis Shopping, which helps millions of shoppers discover and save, delivering exceptional consumer and merchant-advertiser experiences across a portfolio of leading mobile and ecommerce brands. We operate across multiple markets, connecting millions of consumers with top retailers worldwide. Right now, 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.
6 month outside IR35 contract - As part of our exciting growth journey, were expanding our Mobile Engineering team and are on the lookout for a talented Android Engineer to join us on a hybrid basis at our London office. This is a rare chance to work on high impact greenfield products for some of the biggest and most iconic sports brands in the world. Youll be at the forefront of building modern, scalable apps from the ground up, helping shape the future of fan engagement across global sport. Youll bring technical expertise and strong delivery focus. Contributing high-quality code, collaborating closely with our in-house teams, and helping us hit key milestones. Youll be embedded in a passionate, cross-functional team and supported to do your best work while working on fast-moving, purpose-driven projects that reach millions of fans worldwide. Requirements
6 month outside IR35 contract - As part of our exciting growth journey, were expanding our Mobile Engineering team and are on the lookout for a talented Android Engineer to join us on a hybrid basis at our London office. This is a rare chance to work on high impact greenfield products for some of the biggest and most iconic sports brands in the world. Youll be at the forefront of building modern, scalable apps from the ground up, helping shape the future of fan engagement across global sport. Youll bring technical expertise and strong delivery focus. Contributing high-quality code, collaborating closely with our in-house teams, and helping us hit key milestones. Youll be embedded in a passionate, cross-functional team and supported to do your best work while working on fast-moving, purpose-driven projects that reach millions of fans worldwide. Requirements
About Lendable - Lendable is on a mission to make consumer finance amazing: faster, cheaper, and friendlier. * One of the UKs newest unicorns with a team of just over 600 people * Among the fastest-growing tech companies in the UK * Profitable since 2017 * Backed by top investors including Balderton Capital and Goldman Sachs * Loved by customers with the best reviews in the market (4.9 across 10,000s of reviews on Trustpilot) So far, weve rebuilt the Big Three consumer finance products from scratch: loans, credit cards and car finance . We get money into our customers hands in minutes instead of days. Were growing fast, and theres a lot more to do: were going after the two biggest Western markets (UK and US) where trillions worth of financial products are held by big banks with dated systems and painful processes. Join us if you want to * Take ownership across a broad
About Lendable - Lendable is on a mission to make consumer finance amazing: faster, cheaper, and friendlier. * One of the UKs newest unicorns with a team of just over 600 people * Among the fastest-growing tech companies in the UK * Profitable since 2017 * Backed by top investors including Balderton Capital and Goldman Sachs * Loved by customers with the best reviews in the market (4.9 across 10,000s of reviews on Trustpilot) So far, weve rebuilt the Big Three consumer finance products from scratch: loans, credit cards and car finance . We get money into our customers hands in minutes instead of days. Were growing fast, and theres a lot more to do: were going after the two biggest Western markets (UK and US) where trillions worth of financial products are held by big banks with dated systems and painful processes. Join us if you want to * Take ownership across a broad
You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
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.
Dynamics 365 Customer Service, Dynamics 365 Web API
Dynamics 365 Customer Service, Dynamics 365 Web API
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
NEW
You will lead four teams: Platform Engineering (cloud, data platforms, developer tooling), Backstage (internal developer portal), API Developer Portal (external partner integrations), and QA Engineering (central QA strategy). What youll be doing In this role, you will provide strategic leadership for our Platform Engineering, Backstage, API Developer Portal, and QA Engineering teams, setting the vision and direction while aligning emerging industry trends with business priorities across IAG Loyalty and BA Holidays.
You will lead four teams: Platform Engineering (cloud, data platforms, developer tooling), Backstage (internal developer portal), API Developer Portal (external partner integrations), and QA Engineering (central QA strategy). What youll be doing In this role, you will provide strategic leadership for our Platform Engineering, Backstage, API Developer Portal, and QA Engineering teams, setting the vision and direction while aligning emerging industry trends with business priorities across IAG Loyalty and BA Holidays.
Solid understanding of RESTful web services and API design principles
Solid understanding of RESTful web services and API design principles
Own end-to-end API and IDoc integration strategy and execution through go-live.
Own end-to-end API and IDoc integration strategy and execution through go-live.
Large-scale data processing; data modeling; holistic, intent-based API design
Large-scale data processing; data modeling; holistic, intent-based API design
Broad Testing Experience: Experience in front-end and API testing.
Broad Testing Experience: Experience in front-end and API testing.
The Vonage Messages API team is looking at expanding its size, in order to accelerate our platform development to support our growing customer base, with a particular focus on adding the support for new channels to our next-generation messaging platform.
The Vonage Messages API team is looking at expanding its size, in order to accelerate our platform development to support our growing customer base, with a particular focus on adding the support for new channels to our next-generation messaging platform.
Conduct UI and API testing.
Conduct UI and API testing.
Rave API integration experience using external vendor modules
Rave API integration experience using external vendor modules
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
Liaise and collaborate with internal stakeholders such as TAs, SMEs and other discipline Engineers to deliver structural engineering services ensuring compliance with industry design standards (ISO, API, DNV, NORSOK, etc.) and certification requirements.
Liaise and collaborate with internal stakeholders such as TAs, SMEs and other discipline Engineers to deliver structural engineering services ensuring compliance with industry design standards (ISO, API, DNV, NORSOK, etc.) and certification requirements.
Our core technology is a proprietary suite of real-time indicators and predictive analytics available via web application, custom dashboards and API. * Understand the importance of design best practices, provide effective translation to code artifacts and implement appropriate integration approach for API/data layer.
Our core technology is a proprietary suite of real-time indicators and predictive analytics available via web application, custom dashboards and API. * Understand the importance of design best practices, provide effective translation to code artifacts and implement appropriate integration approach for API/data layer.
Design and manage secure networking and service meshes (TLS, Istio, Linkerd, API gateways) to ensure encrypted and reliable service-to-service communication. * Experience designing and managing secure networking and service mesh (TLS, Istio, Linkerd, API gateways).
Design and manage secure networking and service meshes (TLS, Istio, Linkerd, API gateways) to ensure encrypted and reliable service-to-service communication. * Experience designing and managing secure networking and service mesh (TLS, Istio, Linkerd, API gateways).
Strong understanding of API design
Strong understanding of API design