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119 Permanent API jobs in Hertfordshire + 20 miles
445 exact matches jobs are outside your preferred location
Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
Taking architectural ownership for various critical components & systems: such as building API endpoints to different microservices and implementing a big data software architecture to process large amounts of data
Taking architectural ownership for various critical components & systems: such as building API endpoints to different microservices and implementing a big data software architecture to process large amounts of data
Job Description Summary - Join us at GE Vernova Grid Software to be part of the team leading the digital transformation of the energy market. As the worlds energy sector moves away from fossil fuels toward renewable energy sources, industrial companies are challenged with addressing this transition in transformative ways. Digitization will be key to making power-generating assets more efficient and the electric grid more secure and resilient. Our Geospatial products play a critical role in this transformation by supporting the design, modelling and maintenance of electric, gas and telecommunication networks. For more information on our strategy, check out GridOS overview ( will be a part of our Grid Software Engineering team, an Agile organization with a flexible working environment, where we are always looking to innovate our products and the processes and technologi
Job Description Summary - Join us at GE Vernova Grid Software to be part of the team leading the digital transformation of the energy market. As the worlds energy sector moves away from fossil fuels toward renewable energy sources, industrial companies are challenged with addressing this transition in transformative ways. Digitization will be key to making power-generating assets more efficient and the electric grid more secure and resilient. Our Geospatial products play a critical role in this transformation by supporting the design, modelling and maintenance of electric, gas and telecommunication networks. For more information on our strategy, check out GridOS overview ( will be a part of our Grid Software Engineering team, an Agile organization with a flexible working environment, where we are always looking to innovate our products and the processes and technologi
Typing is used within our Python stack to power automated documentation and API definitions * Can think about how data will pass through your software; from persistent storage through to API endpoint
Typing is used within our Python stack to power automated documentation and API definitions * Can think about how data will pass through your software; from persistent storage through to API endpoint
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.
You will lead the technical delivery of the clients Chat API, ensuring it is robust, scalable, and continuously improving. Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps - Monitor and resolve API bugs and performance issues to ensure high availability and reliability - Champion best practices in API development, documentation, and continuous improvement - Strong background in API design, monitoring, and performance optimisation
You will lead the technical delivery of the clients Chat API, ensuring it is robust, scalable, and continuously improving. Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps - Monitor and resolve API bugs and performance issues to ensure high availability and reliability - Champion best practices in API development, documentation, and continuous improvement - Strong background in API design, monitoring, and performance optimisation
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.
You'll be joining the core backend team that underpins every Quidax product from deposits and swaps to merchant payments and our API rails.
You'll be joining the core backend team that underpins every Quidax product from deposits and swaps to merchant payments and our API rails.
Oversee API integration strategy, including duplication checks, system alignment, and end-to-end flow * Strong business acumen with a clear understanding of technical API integration principles and tools
Oversee API integration strategy, including duplication checks, system alignment, and end-to-end flow * Strong business acumen with a clear understanding of technical API integration principles and tools
Knowledge of Salesforces API
Knowledge of Salesforces API
This includes Kubernetes API, custom resources, API aggregation, Helm, and manifest standardization.
This includes Kubernetes API, custom resources, API aggregation, Helm, and manifest standardization.
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
Confidence working with HTML/CSS for customisation and API integrations
Confidence working with HTML/CSS for customisation and API integrations
NEW
Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
Strong knowledge in C++ Strong understanding of API design
Strong knowledge in C++ Strong understanding of API design
Knowledge of configuration and integration security (API, etc.) for SaaS solutions
Knowledge of configuration and integration security (API, etc.) for SaaS solutions
Senior Data Test Automation Engineer
Senior Data Test Automation Engineer
Hawk-Eye Innovations Ltd
Basingstoke, Hampshire
£58,810 - £80,910 a year
Proven ability to build and maintain scalable test automation frameworks, with a focus on backend, API, and data systems using tools like Pytest and Postman. * Advanced skills in automating API and backend testing workflows, ensuring robust and reliable system interactions.
Proven ability to build and maintain scalable test automation frameworks, with a focus on backend, API, and data systems using tools like Pytest and Postman. * Advanced skills in automating API and backend testing workflows, ensuring robust and reliable system interactions.
Knowledge of Workday Extend Graph API
Knowledge of Workday Extend Graph API
Design, implement and test mission-critical API's in a PaaS eCommerce Scala backend * Experience in developing REST API's and knowledge of scalable architectures
Design, implement and test mission-critical API's in a PaaS eCommerce Scala backend * Experience in developing REST API's and knowledge of scalable architectures
Knowledge of data architecture, cybersecurity, and API integration.
Knowledge of data architecture, cybersecurity, and API integration.
Knowledge of: GKLM, Spectrum Control and Storage insights and API exploitation
Knowledge of: GKLM, Spectrum Control and Storage insights and API exploitation
EC2, ECS, RDS, S3, Cloudfront, WAF, API Gateway, Lamdba, Elasticache, Elasticsearch, SQS, SNS, EKS
EC2, ECS, RDS, S3, Cloudfront, WAF, API Gateway, Lamdba, Elasticache, Elasticsearch, SQS, SNS, EKS
Experience of relational databases and database API technologies
Experience of relational databases and database API technologies
Media activation: Facilitate and manage Genai media tool (Creative X) connections to paid media ad accounts, full integration/set-up: content API, reporting API
Media activation: Facilitate and manage Genai media tool (Creative X) connections to paid media ad accounts, full integration/set-up: content API, reporting API