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141 Permanent API jobs in St. Albans + 20 miles
625 exact matches jobs are outside your preferred location
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.
Expertise in open loop and closed loop secure payment systems (Mastercard, Outseer 3DS, etc) as well as the relative regulations in identity e.g FAPI Standards (Financial-grade API). * Proven track record of delivering API-driven, cloud-based identity and payment services at scale.
Expertise in open loop and closed loop secure payment systems (Mastercard, Outseer 3DS, etc) as well as the relative regulations in identity e.g FAPI Standards (Financial-grade API). * Proven track record of delivering API-driven, cloud-based identity and payment services at scale.
NEW
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
Rave API integration experience using external vendor modules
Rave API integration experience using external vendor modules
.Net Full Stack Engineer - Consultant/Senior Consultant - Digital Excellence
.Net Full Stack Engineer - Consultant/Senior Consultant - Digital Excellence
Capgemini Invent
London
Competitive
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
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.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API. o Hands-on experience with APIs , including designing, integrating, and managing third-party or internal API solutions to support compliance and onboarding workflows
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API. o Hands-on experience with APIs , including designing, integrating, and managing third-party or internal API solutions to support compliance and onboarding workflows
NEW
Oversee integration of Radar API with ML Engineering.
Oversee integration of Radar API with ML Engineering.
Assist clients in seamless API integration, furnishing comprehensive documentation and hands-on support for smooth implementation. * Strong knowledge of API integration, RESTful APIs, and API troubleshooting.
Assist clients in seamless API integration, furnishing comprehensive documentation and hands-on support for smooth implementation. * Strong knowledge of API integration, RESTful APIs, and API troubleshooting.
Lead Java Engineer - IBM Sterling OMS & Sterling Intelligent Promising (SIP)
Lead Java Engineer - IBM Sterling OMS & Sterling Intelligent Promising (SIP)
Mindera
London
Competitive
Familiarity with API-based orchestration between OMS, SIP, and external fulfilment or inventory systems.
Familiarity with API-based orchestration between OMS, SIP, and external fulfilment or inventory systems.
[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.
Solid working understanding of API integrations
Solid working understanding of API integrations
Full-Stack Integration : Experience bridging frontend and backend systems, including API design, data flow optimisation, and end-to-end feature development.
Full-Stack Integration : Experience bridging frontend and backend systems, including API design, data flow optimisation, and end-to-end feature development.
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
Sprinklr is a leading enterprise software company for all customer-facing functions. With advanced AI, Sprinklr's unified customer experience management (Unified-CXM) platform helps companies deliver human experiences to every customer, every time, across any modern channel. Headquartered in New York City with employees around the world, Sprinklr works with more than 1,000 of the worlds most valuable enterprises global brands like Microsoft, P&G, Samsung and more than 50% of the Fortune 100. Learn more about our culture and how we make our employees happier through The Sprinklr Way. Job Description - The Sprinklr TPA plays a key role in crafting and executing robust implementations for enterprise-grade customers, utilising Sprinklr's suite of products and services. The TPA serves as the technical lead driving the design, deployment, and optimisation of scalable Sprink
Sprinklr is a leading enterprise software company for all customer-facing functions. With advanced AI, Sprinklr's unified customer experience management (Unified-CXM) platform helps companies deliver human experiences to every customer, every time, across any modern channel. Headquartered in New York City with employees around the world, Sprinklr works with more than 1,000 of the worlds most valuable enterprises global brands like Microsoft, P&G, Samsung and more than 50% of the Fortune 100. Learn more about our culture and how we make our employees happier through The Sprinklr Way. Job Description - The Sprinklr TPA plays a key role in crafting and executing robust implementations for enterprise-grade customers, utilising Sprinklr's suite of products and services. The TPA serves as the technical lead driving the design, deployment, and optimisation of scalable Sprink
3+ years of full stack Python + .NET C# (backend) development experience with in-depth knowledge of ORM and API frameworks * Experience using Python libraries such as Fast API, SQL Alchemy and Pydantic is mandatory
3+ years of full stack Python + .NET C# (backend) development experience with in-depth knowledge of ORM and API frameworks * Experience using Python libraries such as Fast API, SQL Alchemy and Pydantic is mandatory
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.
Basic understanding of backend development principles and RESTful API design.
Basic understanding of backend development principles and RESTful API design.
Familiarity with basic API requests will also be highly valuable.
Familiarity with basic API requests will also be highly valuable.
Provide maximal visibility to merchants on their historical and upcoming settlements through dashboards and API * Experience API products and/or within a broader FinTech company.
Provide maximal visibility to merchants on their historical and upcoming settlements through dashboards and API * Experience API products and/or within a broader FinTech company.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API. o Strong understanding of APIs; experience in API usage is mandatory.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API. o Strong understanding of APIs; experience in API usage is mandatory.