Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
80 Contract API jobs in Holborn, Central London + 20 miles
318 exact matches jobs are outside your preferred location
)
Technical Lead
Technical Lead
Zorba Consulting
UK
From £60,000 to £70,000 per annum 28 days hols, health insurance, soci
Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
NEW
)
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
NEW
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
NEW
)
Understanding of web services (HTTP, Web API, Web protocols)
Understanding of web services (HTTP, Web API, Web protocols)
NEW
Senior Java Engineering Lead - Digital Markets Infrastructure
Senior Java Engineering Lead - Digital Markets Infrastructure
London Stock Exchange
South East
Competitive
Solid understanding of REST API design principles.
Solid understanding of REST API design principles.
)
FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
NEW
Commercial experience of integrating Power Platform with third party API services and performing data migrations using appropriate integration tools (Kingswaysoft SSIS etc)
Commercial experience of integrating Power Platform with third party API services and performing data migrations using appropriate integration tools (Kingswaysoft SSIS etc)
About SnapLogic - SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by global leaders, including AstraZeneca, Adobe, Verizon, Epsilon and Sony. With its industry-leading platform, SnapLogic empowers every team across the enterprise to securely build faster, smarter, AI-connected workflows all through natural language and intuitive low-code design. We are looking for a customer-centric, intellectually curious, bright, energetic person with the ability to drive the successful architecture and delivery of enterprise grade integration solutions as part of a Professional Services Architecture team.
About SnapLogic - SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by global leaders, including AstraZeneca, Adobe, Verizon, Epsilon and Sony. With its industry-leading platform, SnapLogic empowers every team across the enterprise to securely build faster, smarter, AI-connected workflows all through natural language and intuitive low-code design. We are looking for a customer-centric, intellectually curious, bright, energetic person with the ability to drive the successful architecture and delivery of enterprise grade integration solutions as part of a Professional Services Architecture team.
NEW
Experience: 10+ Years in Web Automation, 4+ Years in Python, 2+ Years in API, 2+ Years in SQL. * Automate API testing and integration workflows using Python libraries (e.g., requests, httpx). * Perform data-driven API testing, including authentication handling and response validation. * Practical knowledge of API testing using Postman and Python-based tools.
Experience: 10+ Years in Web Automation, 4+ Years in Python, 2+ Years in API, 2+ Years in SQL. * Automate API testing and integration workflows using Python libraries (e.g., requests, httpx). * Perform data-driven API testing, including authentication handling and response validation. * Practical knowledge of API testing using Postman and Python-based tools.
Plan and execute offensive engagements across web/mobile/API, auth flows, and business logic * 5+ years in AppSec/offensive security focused on web/API
Plan and execute offensive engagements across web/mobile/API, auth flows, and business logic * 5+ years in AppSec/offensive security focused on web/API
)
Strong background in test automation ((Playwright, Appium, API,etc.)
Strong background in test automation ((Playwright, Appium, API,etc.)
NEW
Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
Experience with front-end JS frameworks (ideally Vue.js 3 + Composition API)
NEW
Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science)
Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science)
NEW
Knowledge of API design principles, patterns (SOAP, REST), data formats (JSON, XML), and hands-on experience executing APIs through scripting.
Knowledge of API design principles, patterns (SOAP, REST), data formats (JSON, XML), and hands-on experience executing APIs through scripting.
Contribution and implementation of the data vision, designing architecture solutions that are in line with the Architecture rules and principles, long-term business objectives and compliant with data regulations (GDPR, BCBS239) Define, in collaboration with key partners in IT, business lines and functions, of "best-in-class" architecture for data platform, data management, data quality, modelling, storage, etc. Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science) Create and maintain current-and target-state data architectures, define transition path towards the target model Contribute to employees' training efforts on architecture and data topics Evaluate and recommend emerging technologies for data management, storage and analytics
Contribution and implementation of the data vision, designing architecture solutions that are in line with the Architecture rules and principles, long-term business objectives and compliant with data regulations (GDPR, BCBS239) Define, in collaboration with key partners in IT, business lines and functions, of "best-in-class" architecture for data platform, data management, data quality, modelling, storage, etc. Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science) Create and maintain current-and target-state data architectures, define transition path towards the target model Contribute to employees' training efforts on architecture and data topics Evaluate and recommend emerging technologies for data management, storage and analytics
Experience developing API documentation and third-party developer enablement content
Experience developing API documentation and third-party developer enablement content
Language: Java 8/21 Frameworks: Spring Boot (Tomcat, Netty), Spring Data, Spring Cloud Architecture: Microservices, REST API, Message Queues, WebSocket Database: MySQL, MyBatis, MongoDB Caching: Redis/ValKey (AWS ElastiCache), ElasticSearch Message Queue: RocketMQ Cloud: Kubernetes, AWS Monitoring: Grafana, Prometheus, Loki, Tempo, AWS CloudWatch, OpenTelemetry CI/CD: Jenkins, ArgoCD What you'll be doing
Language: Java 8/21 Frameworks: Spring Boot (Tomcat, Netty), Spring Data, Spring Cloud Architecture: Microservices, REST API, Message Queues, WebSocket Database: MySQL, MyBatis, MongoDB Caching: Redis/ValKey (AWS ElastiCache), ElasticSearch Message Queue: RocketMQ Cloud: Kubernetes, AWS Monitoring: Grafana, Prometheus, Loki, Tempo, AWS CloudWatch, OpenTelemetry CI/CD: Jenkins, ArgoCD What you'll be doing
Develop data monetization strategies, including internal value creation (e.g., operational efficiency, personalization) and external revenue models (e.g., data-as-a-service, API products).
Develop data monetization strategies, including internal value creation (e.g., operational efficiency, personalization) and external revenue models (e.g., data-as-a-service, API products).
NEW
Strong understanding of software development lifecycle (SDLC), data mapping, and API integration.
Strong understanding of software development lifecycle (SDLC), data mapping, and API integration.
NEW
Develop data monetization strategies, including internal value creation (e.g., operational efficiency, personalization) and external revenue models (e.g., data-as-a-service, API products)
Develop data monetization strategies, including internal value creation (e.g., operational efficiency, personalization) and external revenue models (e.g., data-as-a-service, API products)
NEW
Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
NEW
Define and execute the technical strategy around customer facing platforms such as API frameworks, browser and mobile solutions, AI protocols and data processing pipelines
Define and execute the technical strategy around customer facing platforms such as API frameworks, browser and mobile solutions, AI protocols and data processing pipelines
On a day to day basis, you'll be working closely with retail & manufacturing teams to discover, develop and support the systems they need, you will be building API first backend services to support frontend development and architect system integrations to allow for easy data flow across the business.
On a day to day basis, you'll be working closely with retail & manufacturing teams to discover, develop and support the systems they need, you will be building API first backend services to support frontend development and architect system integrations to allow for easy data flow across the business.
NEW
Data & Integration Experience with data migration strategy, mapping, cleansing of legacy data, and awareness of API integrations/middleware for connected enterprise solutions.
Data & Integration Experience with data migration strategy, mapping, cleansing of legacy data, and awareness of API integrations/middleware for connected enterprise solutions.
NEW
Want a 3D Career? Join Norgine. At Norgine, our colleagues Dare themselves to be different and try new things, Drive to achieve their goals and beyond, and Develop themselves and their community. We call it the 3D career at Norgine and it offers you a fully-rounded experience with no limits. Bring everything about yourself that youre proud of, whether thats your passion for making a difference, focus on others well-being, or intellectual curiosity to unleash in a fast-paced environment and supportive community. In return, get a sense of belonging, a long-term career with ongoing development and upskilling, and a company that cares about peoples wellness as much as you do. Norgine: Transforming Healthcare, Backed by Over a Century of Expertise. We have an exciting opportunity for an Enterprise Architect to join Norgine.
Want a 3D Career? Join Norgine. At Norgine, our colleagues Dare themselves to be different and try new things, Drive to achieve their goals and beyond, and Develop themselves and their community. We call it the 3D career at Norgine and it offers you a fully-rounded experience with no limits. Bring everything about yourself that youre proud of, whether thats your passion for making a difference, focus on others well-being, or intellectual curiosity to unleash in a fast-paced environment and supportive community. In return, get a sense of belonging, a long-term career with ongoing development and upskilling, and a company that cares about peoples wellness as much as you do. Norgine: Transforming Healthcare, Backed by Over a Century of Expertise. We have an exciting opportunity for an Enterprise Architect to join Norgine.