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117 Permanent API jobs in South East London + 20 miles
662 exact matches jobs are outside your preferred location
Reporting to the Head of Data, the Data Engineering Lead will oversee the design, development, and maintenance of high-performance data systems that support trading, risk, and analytics functions across the Natural Gas and Power business. This role bridges technical execution and business impact, ensuring that data pipelines, platforms, and products are robust, scalable, and aligned with enterprise data strategy. The ideal candidate will lead a team of data engineers, collaborate with trading desks and analysts, and ensure that data infrastructure supports pre-trade modeling, live execution, and post-trade analytics with precision and reliability. Main Responsibilities - 1. Data Platform Ownership * Lead the development and maintenance of scalable data pipelines and databases tailored to Natural Gas and Power trading workflows.
Reporting to the Head of Data, the Data Engineering Lead will oversee the design, development, and maintenance of high-performance data systems that support trading, risk, and analytics functions across the Natural Gas and Power business. This role bridges technical execution and business impact, ensuring that data pipelines, platforms, and products are robust, scalable, and aligned with enterprise data strategy. The ideal candidate will lead a team of data engineers, collaborate with trading desks and analysts, and ensure that data infrastructure supports pre-trade modeling, live execution, and post-trade analytics with precision and reliability. Main Responsibilities - 1. Data Platform Ownership * Lead the development and maintenance of scalable data pipelines and databases tailored to Natural Gas and Power trading workflows.
09 - The Quality Engineering team works in partnership with other Technology Functions and the Business to ensure quality delivery of our products. The team works in an Agile environment and is located globally. The team is independent in driving all decisions and is responsible for continuously improving customer experience, revenue growth and operations enablement through quick turn-around of development of our products with high quality. * Develop automation scripts that meet organization standards and build reliable, reusable, and maintainable automated regression suites & test harness * Leverage tools and frameworks to build automation scripts with quality code to simplify testing scenarios * Design and develop test plans, test cases based upon functional and design specifications, execute test cases and analyze and report test results to the teams
09 - The Quality Engineering team works in partnership with other Technology Functions and the Business to ensure quality delivery of our products. The team works in an Agile environment and is located globally. The team is independent in driving all decisions and is responsible for continuously improving customer experience, revenue growth and operations enablement through quick turn-around of development of our products with high quality. * Develop automation scripts that meet organization standards and build reliable, reusable, and maintainable automated regression suites & test harness * Leverage tools and frameworks to build automation scripts with quality code to simplify testing scenarios * Design and develop test plans, test cases based upon functional and design specifications, execute test cases and analyze and report test results to the teams
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
About Us - At Taktile, we are at the forefront of enabling millions of critical, data-driven business decisions around the world every day. Our AI-powered decision engine empowers businesses to automate and scale high-stakes decision-making with precision. Trusted by leading fintechs and banks globally, our product is integral to expanding access to credit, preventing fraud, combating money laundering, and tackling a wide range of other complex challenges. We've been named category leader in Decision Management Platforms multiple times and this is only the start! Taktile is run by a global team based in Berlin, London and New York City. Some of us attended top universities such as Harvard, Oxford, and Stanford and some of us have no degree at all. Our backers include Y Combinator, Index Ventures, Tiger Global and stellar angels such as the founders of Looker, GitHub,
About Us - At Taktile, we are at the forefront of enabling millions of critical, data-driven business decisions around the world every day. Our AI-powered decision engine empowers businesses to automate and scale high-stakes decision-making with precision. Trusted by leading fintechs and banks globally, our product is integral to expanding access to credit, preventing fraud, combating money laundering, and tackling a wide range of other complex challenges. We've been named category leader in Decision Management Platforms multiple times and this is only the start! Taktile is run by a global team based in Berlin, London and New York City. Some of us attended top universities such as Harvard, Oxford, and Stanford and some of us have no degree at all. Our backers include Y Combinator, Index Ventures, Tiger Global and stellar angels such as the founders of Looker, GitHub,
About The Role - Taktile exists to create value for organizations through smarter and safer decisions at scale. Our goal is to become the world's leading software provider for automated decision-making in the financial services industry and, to date, our software has been used by our customers to power millions of critical business decisions every day. * Taktile is based in Berlin, London, and New York City. * Taktile was founded by machine learning and data science veterans with extensive experience building and running production ML in financial services. * Our team consists of engineers, entrepreneurs, and researchers with a diverse set of backgrounds. Some of us attended top universities such as Harvard, Oxford, and Stanford and some of us have no degree at all. * Our team has accumulated extensive work experience at leading tech companies such as Google, Amazon,
About The Role - Taktile exists to create value for organizations through smarter and safer decisions at scale. Our goal is to become the world's leading software provider for automated decision-making in the financial services industry and, to date, our software has been used by our customers to power millions of critical business decisions every day. * Taktile is based in Berlin, London, and New York City. * Taktile was founded by machine learning and data science veterans with extensive experience building and running production ML in financial services. * Our team consists of engineers, entrepreneurs, and researchers with a diverse set of backgrounds. Some of us attended top universities such as Harvard, Oxford, and Stanford and some of us have no degree at all. * Our team has accumulated extensive work experience at leading tech companies such as Google, Amazon,
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
Experience in API testing (Postman, Swagger, REST API testing)
Experience in API testing (Postman, Swagger, REST API testing)
NEW
As a Fullstack Engineer at Kiln, you will join our Software Development Team, composed of 14 engineers split into 4 squads, to build the future of our SaaS/API-first products [ You will report to our Lead Software Engineer, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln offers. Stack: TypeScript, React, PHP, Laravel, REST API * +3 years of experience as a Software Engineer (Backend, Frontend, or Fullstack), designing, building, and deploying user-facing and API-based products . Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
As a Fullstack Engineer at Kiln, you will join our Software Development Team, composed of 14 engineers split into 4 squads, to build the future of our SaaS/API-first products [ You will report to our Lead Software Engineer, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln offers. Stack: TypeScript, React, PHP, Laravel, REST API * +3 years of experience as a Software Engineer (Backend, Frontend, or Fullstack), designing, building, and deploying user-facing and API-based products . Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Ensure consistency in user experience, API design, and operational processes across the capability.
Ensure consistency in user experience, API design, and operational processes across the capability.
Strong understanding of software development lifecycles, code review, test automation, CI/CD, API development, microservices, cloud/native architectures, and emerging domains like AI/ML, cybersecurity, or data engineering.
Strong understanding of software development lifecycles, code review, test automation, CI/CD, API development, microservices, cloud/native architectures, and emerging domains like AI/ML, cybersecurity, or data engineering.
API management
API management
Front Office Quantitative Software Engineer
Front Office Quantitative Software Engineer
Banco Bilbao Vizcaya t/a Bbva Finance (Uk) Ltd
London
Competitive
Experience with the Murex platform and Murex Flex API.
Experience with the Murex platform and Murex Flex API.
Experience in the design and implementation of RESTful and FAST API services
Experience in the design and implementation of RESTful and FAST API services
Strong backend development skills with focus on API design, system scalability, and observability/monitoring
Strong backend development skills with focus on API design, system scalability, and observability/monitoring
Participate in the evolution and development of the REST API. * .NET, ASP.NET Core Web API
Participate in the evolution and development of the REST API. * .NET, ASP.NET Core Web API
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Strong grasp of distributed systems design, data architecture, and API development
Strong grasp of distributed systems design, data architecture, and API development
Proficient in API design, development & production operation
Proficient in API design, development & production operation
NEW
Help transition from a legacy REST API to GraphQL infrastructure
Help transition from a legacy REST API to GraphQL infrastructure
NEW
You can design a RESTful API and list all the pros and cons of your design * You have an API-first product mindset: you care about customer outcomes and you like to listen to their use-cases before diving into code
You can design a RESTful API and list all the pros and cons of your design * You have an API-first product mindset: you care about customer outcomes and you like to listen to their use-cases before diving into code
Experience of RESTful API Design and authentication with OAUTH
Experience of RESTful API Design and authentication with OAUTH
Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
This is to support the Vonage API group where you will be working with a variety of customers that we aim to solve their business challenges through our Vonage API's
This is to support the Vonage API group where you will be working with a variety of customers that we aim to solve their business challenges through our Vonage API's
Web API/Rest
Web API/Rest