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64 Permanent API jobs in The City, City of London + 20 miles
217 exact matches jobs are outside your preferred location
Conduct UI and API testing.
Conduct UI and API testing.
Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
APIs: Implement API security best practices (rate limiting, authentication, input validation)
APIs: Implement API security best practices (rate limiting, authentication, input validation)
Manager Data Engineering
Manager Data Engineering
LEXISNEXIS RISK SOLUTIONS UK LIMITED T/a LexisNexis Risk Solutions Group
London
Competitive
Experience with API design, integration, and management.
Experience with API design, integration, and management.
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
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In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
In this critical role, youll develop and maintain REST API over serverless functions using TypeScript; youll also design and implement scalable PostgreSQL schemas and data models. Other organisations may call this role Software Engineer, Software Developer, Back End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer.
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Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
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Implementation of secure authentication using PKI, OIDC, and OAuth 2.0, and automates testing with unit and API tests.
Implementation of secure authentication using PKI, OIDC, and OAuth 2.0, and automates testing with unit and API tests.
Implementation of secure authentication using PKI, OIDC, and OAuth 2.0, and automates testing with unit and API tests.
Implementation of secure authentication using PKI, OIDC, and OAuth 2.0, and automates testing with unit and API tests.
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Skilled in cloud technologies (Azure, GCP, or AWS), microservices, and API strategy
Skilled in cloud technologies (Azure, GCP, or AWS), microservices, and API strategy
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Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
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Design, build and maintain data-intensive web applications and API-driven systems
Design, build and maintain data-intensive web applications and API-driven systems
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Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
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Code quality and API-First principles are at the heart of all our development. * Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * An interest in setting strategy and direction, backed by real-work experience, ideally in an API-First setting. * Experience designing, building, and deploying scalable micro-services using API-First principles using at least one of REST/gRPC. * Strong understanding of RESTful API design principles and best practices. * Experience with API authentication and authorization mechanisms (e.g., OAuth, JWT). * Experience with API gateway technologies (e.g., Apigee, Kong) is beneficial.
Code quality and API-First principles are at the heart of all our development. * Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * An interest in setting strategy and direction, backed by real-work experience, ideally in an API-First setting. * Experience designing, building, and deploying scalable micro-services using API-First principles using at least one of REST/gRPC. * Strong understanding of RESTful API design principles and best practices. * Experience with API authentication and authorization mechanisms (e.g., OAuth, JWT). * Experience with API gateway technologies (e.g., Apigee, Kong) is beneficial.
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Performing automation and API testing when required. * API automation testing using JavaScript * Experience in API and integration testing
Performing automation and API testing when required. * API automation testing using JavaScript * Experience in API and integration testing
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Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
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Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
Expertise in JavaScript and/or TypeScript and modern React, including Hooks, Context API, Server and Client Components
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Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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Automated end-to-end and API testing tools and techniques
Automated end-to-end and API testing tools and techniques
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Expertise in Salesforce deployment strategies, including change sets, Salesforce DX, and metadata API. * Experience in Salesforce API integration (REST, SOAP, Platform Events).
Expertise in Salesforce deployment strategies, including change sets, Salesforce DX, and metadata API. * Experience in Salesforce API integration (REST, SOAP, Platform Events).
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We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
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Influence API and BFF design to optimise clientserver contracts and reduce complexity at the edges.
Influence API and BFF design to optimise clientserver contracts and reduce complexity at the edges.
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Good understanding of API/SQL/databases
Good understanding of API/SQL/databases
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£130000 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Pre-Sales Solution Architect - Hybrid - UK (flexible location) £100,000 + bonus - Permanent - You'll be joining a global technology consultancy that helps enterprise clients transform and modernise their application estates - turning complex legacy environments into scalable, cloud-ready platforms. This is a client-facing pre-sales role at the heart of large-scale digital transformation. You'll work alongside senior engineers, solution leaders and delivery experts to design technical solutions that solve genuine business challenges. What you'll be doing * Partner with sales and delivery teams to shape solutions for application modernisation and digital transformation. * Lead client workshops, scope complex technical requirements, and translate them into compellin
£130000 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Pre-Sales Solution Architect - Hybrid - UK (flexible location) £100,000 + bonus - Permanent - You'll be joining a global technology consultancy that helps enterprise clients transform and modernise their application estates - turning complex legacy environments into scalable, cloud-ready platforms. This is a client-facing pre-sales role at the heart of large-scale digital transformation. You'll work alongside senior engineers, solution leaders and delivery experts to design technical solutions that solve genuine business challenges. What you'll be doing * Partner with sales and delivery teams to shape solutions for application modernisation and digital transformation. * Lead client workshops, scope complex technical requirements, and translate them into compellin
PREMIUM