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114 Permanent API jobs in The City, City of London + 20 miles
400 exact matches jobs are outside your preferred location
Please note: This is an advisory role - we are not looking for data scientists, engineers, or product delivery leads. You will advise on the how of AI implementation, not build it yourself. Applicants must have prior experience in a consulting, technology strategy, or innovation advisory environment. Eligibility: You must have the right to work in the UK. The Opportunity - We are looking for an experienced AI Technologist to join our growing AI Practice at This Place. You will work at the intersection of technology, strategy, and creativity, helping some of the worlds best-known brands understand where AI can deliver value and what it takes to make it real inside their business. This is not a delivery or engineering role. Instead, you will be a connector - someone who bridges technical depth with strategic vision.
Please note: This is an advisory role - we are not looking for data scientists, engineers, or product delivery leads. You will advise on the how of AI implementation, not build it yourself. Applicants must have prior experience in a consulting, technology strategy, or innovation advisory environment. Eligibility: You must have the right to work in the UK. The Opportunity - We are looking for an experienced AI Technologist to join our growing AI Practice at This Place. You will work at the intersection of technology, strategy, and creativity, helping some of the worlds best-known brands understand where AI can deliver value and what it takes to make it real inside their business. This is not a delivery or engineering role. Instead, you will be a connector - someone who bridges technical depth with strategic vision.
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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.
Location & Working Model: Flexible Remote or hybrid options available depending on location - Employment Type: Permanent - About TxODDS - TxODDS is a premier provider of ultra low-latency, accurate odds data, fast scores, and innovative betting solutions for the global sports betting industry. With offices in London, Chicago, and Belgrade and team members working worldwide we deliver cutting-edge technology and data products that power some of the worlds top sportsbooks. About the Role - Were looking for a Developer to join our Data Acquisition team. This role plays a key part in building and maintaining the systems that power our real-time data delivery. Youll work closely with cross-functional teams to ensure the accuracy, reliability, and speed of the data we provide to our customers. In this role, youll take ownership of key responsibilities that help drive team a
Location & Working Model: Flexible Remote or hybrid options available depending on location - Employment Type: Permanent - About TxODDS - TxODDS is a premier provider of ultra low-latency, accurate odds data, fast scores, and innovative betting solutions for the global sports betting industry. With offices in London, Chicago, and Belgrade and team members working worldwide we deliver cutting-edge technology and data products that power some of the worlds top sportsbooks. About the Role - Were looking for a Developer to join our Data Acquisition team. This role plays a key part in building and maintaining the systems that power our real-time data delivery. Youll work closely with cross-functional teams to ensure the accuracy, reliability, and speed of the data we provide to our customers. In this role, youll take ownership of key responsibilities that help drive team a
Experience in API documentation, for example using Swagger with REST API and GraphQL schema documentation.
Experience in API documentation, for example using Swagger with REST API and GraphQL schema documentation.
Experience with AWS services (Lambda, SQS, API gateways, S3).
Experience with AWS services (Lambda, SQS, API gateways, S3).
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.
As a Solution Architect, you will be instrumental in driving the evolution of our SAP platform by delivering API-enabled digital products that integrate key business capabilities. * Familiarity with API management tools and practices, including API versioning, documentation, and security.
As a Solution Architect, you will be instrumental in driving the evolution of our SAP platform by delivering API-enabled digital products that integrate key business capabilities. * Familiarity with API management tools and practices, including API versioning, documentation, and security.
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.
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.
API Performance: fast response times, high uptime * Strong background in RESTful API design and implementation
API Performance: fast response times, high uptime * Strong background in RESTful API design and implementation
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
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Solid understanding of RESTful web services and API design principles
Solid understanding of RESTful web services and API design principles
Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
Familiarity with the following codes : ASME VIII Division 1 and 2, API 620, 650, 660, 661, 662, TEMA
Familiarity with the following codes : ASME VIII Division 1 and 2, API 620, 650, 660, 661, 662, TEMA
Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
Design, build, and operate Python/FastAPI-based API services deployed on AWS ECS * Own API design, performance optimization, security, and observability * APIs: REST API design, performance optimization, security, observability
Design, build, and operate Python/FastAPI-based API services deployed on AWS ECS * Own API design, performance optimization, security, and observability * APIs: REST API design, performance optimization, security, observability
Currently, our micro-services communicate via REST API calls, fostering seamless integration between different services.
Currently, our micro-services communicate via REST API calls, fostering seamless integration between different services.
[Nice to have] Experience in FinTech, Payments, or API-first companies
[Nice to have] Experience in FinTech, Payments, or API-first companies
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.
Document integration flows, including API specs, data mapping, and system interactions
Document integration flows, including API specs, data mapping, and system interactions
Conduct application security testing, including API and web service assessments.
Conduct application security testing, including API and web service assessments.
Strong understanding of API design
Strong understanding of API design
Knowledge of creation of API documentation using YAML specifications.
Knowledge of creation of API documentation using YAML specifications.
Experience with API design (e.g. Swagger) and championing well-defined and documented APIs.
Experience with API design (e.g. Swagger) and championing well-defined and documented APIs.