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- The City, City (EC4)
- Southwark
- Ireland
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- Euston
- Fishery
- Kennington
- Mayfair
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- Reading
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36 Permanent API jobs in Clewer St. Stephen + 20 miles
293 exact matches jobs are outside your preferred location
Changing the world of pet food for good - We create truly tailored food for each and every dog we serve. We start by asking people a few simple questions about their dog. Its clever stuff. We are a fast-growing scale-up company, transitioning from our start-up roots and entering an exciting phase of rapid growth. As we evolve, we are focused on building a modern, scalable, and secure architecture that will support our ambitious plans for the future. Weve got bold plans. Having created an entirely new category in pet food, were now scaling fast in the UK backed by Purina, one of the worlds largest pet food companies. Youll join a bunch of smart people working towards the same goals and a bunch of smart-ish dogs, all working on their own thing. Together, well change the world of pet food for good. The Role
Changing the world of pet food for good - We create truly tailored food for each and every dog we serve. We start by asking people a few simple questions about their dog. Its clever stuff. We are a fast-growing scale-up company, transitioning from our start-up roots and entering an exciting phase of rapid growth. As we evolve, we are focused on building a modern, scalable, and secure architecture that will support our ambitious plans for the future. Weve got bold plans. Having created an entirely new category in pet food, were now scaling fast in the UK backed by Purina, one of the worlds largest pet food companies. Youll join a bunch of smart people working towards the same goals and a bunch of smart-ish dogs, all working on their own thing. Together, well change the world of pet food for good. The Role
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Were Civica, and we create software that helps deliver critical services for citizens all around the world. From local government, to education, health, and care, over 5,000 public bodies across the globe use our software to provide essential services to over 100 million citizens. Our aspiration is to be a GovTech champion everywhere we work, supporting the needs of citizens and those who serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point in our journey to realise that aspiration. Why you'll love this opportunity as Support Analyst - We are looking for a Support Analyst to work full-time across the People and Workforce Management Division, reporting to the Customer Services and Operations Manager. The role entails working with our Case Management (iCasework) product, which manages systems such as Financial and Local .
Were Civica, and we create software that helps deliver critical services for citizens all around the world. From local government, to education, health, and care, over 5,000 public bodies across the globe use our software to provide essential services to over 100 million citizens. Our aspiration is to be a GovTech champion everywhere we work, supporting the needs of citizens and those who serve them every day. Building on 21 years of continuous growth and success, we're at a pivotal point in our journey to realise that aspiration. Why you'll love this opportunity as Support Analyst - We are looking for a Support Analyst to work full-time across the People and Workforce Management Division, reporting to the Customer Services and Operations Manager. The role entails working with our Case Management (iCasework) product, which manages systems such as Financial and Local .
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Who We Are - At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role - As an Agentic AI Engineer at Kyndryl, youll design and build intelligent systems that think, reason and act helping enterprises evolve from AI-enabled to truly AI-native. Were solving hard problems at scale, integrating data, AI and automation to create self-improving systems that deliver measurable business value. Youll work with as part of a Data and AI hands-on engineering team thats turning Agentic AI from concept to production reality. If you're ready to embrace the power of data to transform our business and emba
Who We Are - At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role - As an Agentic AI Engineer at Kyndryl, youll design and build intelligent systems that think, reason and act helping enterprises evolve from AI-enabled to truly AI-native. Were solving hard problems at scale, integrating data, AI and automation to create self-improving systems that deliver measurable business value. Youll work with as part of a Data and AI hands-on engineering team thats turning Agentic AI from concept to production reality. If you're ready to embrace the power of data to transform our business and emba
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About DataCamp - DataCamp's mission is to empower everyone with the data and AI skills essential for 21st-century success. By providing practical, engaging learning experiences, DataCamp equips learners and organizations of all sizes to harness the power of data and AI. As a trusted partner to over 17 million learners and 6,000+ companies, including 80% of the Fortune 1000, DataCamp is leading the charge in addressing the critical data and AI skills shortage. About the role - We are looking for a Product Manager to drive innovation and technical enablement projects that empower DataCamps learning experience at scale. Youll partner closely with Engineering, Curriculum, and Design to identify opportunities at the intersection of pedagogy and technology, bringing forward ambitious ideas and turning them into high-impact solutions.
About DataCamp - DataCamp's mission is to empower everyone with the data and AI skills essential for 21st-century success. By providing practical, engaging learning experiences, DataCamp equips learners and organizations of all sizes to harness the power of data and AI. As a trusted partner to over 17 million learners and 6,000+ companies, including 80% of the Fortune 1000, DataCamp is leading the charge in addressing the critical data and AI skills shortage. About the role - We are looking for a Product Manager to drive innovation and technical enablement projects that empower DataCamps learning experience at scale. Youll partner closely with Engineering, Curriculum, and Design to identify opportunities at the intersection of pedagogy and technology, bringing forward ambitious ideas and turning them into high-impact solutions.
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Location : Head Office, Swiss Cottage, London - Salary : Up to £40,000 (DoE) Reporting To : Head of Operations - Job Type : Full Time - The Company - KSEYE Group is an established bridging finance company specialising in bridging and short-term lending markets. Following the introduction of AI efficiencies and improved operational performance, the company is now seeking to employ a junior/graduate level developer to work closely with the Head of Operations and support the streamlining and process establishment of the Operations team and wider company. As a junior developer for KSEYE, you will be responsible for driving operational excellence by identifying, planning, and executing business process improvements through our systems and bespoke in-house software. You will work closely with cross-functional teams to analyse, design, and implement changes and implement, wh
Location : Head Office, Swiss Cottage, London - Salary : Up to £40,000 (DoE) Reporting To : Head of Operations - Job Type : Full Time - The Company - KSEYE Group is an established bridging finance company specialising in bridging and short-term lending markets. Following the introduction of AI efficiencies and improved operational performance, the company is now seeking to employ a junior/graduate level developer to work closely with the Head of Operations and support the streamlining and process establishment of the Operations team and wider company. As a junior developer for KSEYE, you will be responsible for driving operational excellence by identifying, planning, and executing business process improvements through our systems and bespoke in-house software. You will work closely with cross-functional teams to analyse, design, and implement changes and implement, wh
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Oritain is the global leader in product verification, with locations in Auckland, Dunedin, London, Singapore and Washington D.C. Our Mission: Science, Technology, and Global Impact - Our organisation uses cutting-edge forensic science and technology to verify the origin of materials, harnessing science, technology and services to create a community of origin verified buyers and suppliers. Our mission is critical: to protect people and the planet by ensuring the integrity and provenance of materials worldwide. We are seeking a passionate and driven Engineering Manager to lead and empower one of our core software engineering teams. If you thrive on developing engineers, optimising delivery processes, and contributing to a purpose-driven mission, this role offers significant impact. The Opportunity: Empowering Teams, Delivering Impact
Oritain is the global leader in product verification, with locations in Auckland, Dunedin, London, Singapore and Washington D.C. Our Mission: Science, Technology, and Global Impact - Our organisation uses cutting-edge forensic science and technology to verify the origin of materials, harnessing science, technology and services to create a community of origin verified buyers and suppliers. Our mission is critical: to protect people and the planet by ensuring the integrity and provenance of materials worldwide. We are seeking a passionate and driven Engineering Manager to lead and empower one of our core software engineering teams. If you thrive on developing engineers, optimising delivery processes, and contributing to a purpose-driven mission, this role offers significant impact. The Opportunity: Empowering Teams, Delivering Impact
About Moneybox - At Moneybox, our mission is to give everyone the means to get more out of life. We're guided by our belief that wealth isn't about the money, it's about the means to more - more freedom, opportunities, possibilities, and peace of mind. Moneybox is an award-winning wealth management platform, helping over one and a half million people build wealth throughout their lives, whether theyre saving and investing, buying their first home, or planning for retirement. Job Brief - Our backend engineering teams are responsible for defining and delivering our strategic technology roadmap and platform capabilities that support the entire business. With over 1.5 million customers and responsibility for managing £18 billion in assets, we prioritise the resiliency, performance, scalability, and adaptability of our systems to meet both current and future needs.
About Moneybox - At Moneybox, our mission is to give everyone the means to get more out of life. We're guided by our belief that wealth isn't about the money, it's about the means to more - more freedom, opportunities, possibilities, and peace of mind. Moneybox is an award-winning wealth management platform, helping over one and a half million people build wealth throughout their lives, whether theyre saving and investing, buying their first home, or planning for retirement. Job Brief - Our backend engineering teams are responsible for defining and delivering our strategic technology roadmap and platform capabilities that support the entire business. With over 1.5 million customers and responsibility for managing £18 billion in assets, we prioritise the resiliency, performance, scalability, and adaptability of our systems to meet both current and future needs.
We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description - We challenge where it matters and own the outcome.
We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description - We challenge where it matters and own the outcome.
We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description - We challenge where it matters and own the outcome.
We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland, US, Nordics, and Netherlands. Bringing Ingenuity to Life. Job description - We challenge where it matters and own the outcome.
You'll troubleshoot and resolve software issues, document cases in our helpdesk system, and escalate complex problems to second-line support when needed, all while maintaining a high standard of client communication and satisfaction. In addition to support, you'll contribute to testing software updates, improving product documentation, and delivering product training or demonstrations. By identifying recurring issues and user feedback, youll help shape product improvements alongside our Development and Product teams. This role is ideal for someone with a passion for legal tech, strong problem-solving abilities, and a desire to grow within a collaborative support environment. What you'll be doing * Troubleshoot and resolve software-related issues, escalating complex cases to second-line support as needed.
You'll troubleshoot and resolve software issues, document cases in our helpdesk system, and escalate complex problems to second-line support when needed, all while maintaining a high standard of client communication and satisfaction. In addition to support, you'll contribute to testing software updates, improving product documentation, and delivering product training or demonstrations. By identifying recurring issues and user feedback, youll help shape product improvements alongside our Development and Product teams. This role is ideal for someone with a passion for legal tech, strong problem-solving abilities, and a desire to grow within a collaborative support environment. What you'll be doing * Troubleshoot and resolve software-related issues, escalating complex cases to second-line support as needed.
Welcome to Gain Conversion! Gain is a creative-led, insight-driven company that blends data, tech and creativity. We believe the best ideas emerge where intelligence and creativity unite, where insight sparks imagination, and where innovation turns possibility into progress. We are explorers of new frontiers, shaping bold strategies that move people, brands, and businesses forward. Individually and together, our specialist teams provide the vision, data, and confidence brands and organisations need to make braver, more impactful decisions. At Conversion, were a team of global CRO experts who help brands optimise their digital ecosystems, websites, platforms, and customer experiences to drive real, measurable growth. We intend to prove that evidence-based decisions get the best results, and our people and unique culture are the fuel.
Welcome to Gain Conversion! Gain is a creative-led, insight-driven company that blends data, tech and creativity. We believe the best ideas emerge where intelligence and creativity unite, where insight sparks imagination, and where innovation turns possibility into progress. We are explorers of new frontiers, shaping bold strategies that move people, brands, and businesses forward. Individually and together, our specialist teams provide the vision, data, and confidence brands and organisations need to make braver, more impactful decisions. At Conversion, were a team of global CRO experts who help brands optimise their digital ecosystems, websites, platforms, and customer experiences to drive real, measurable growth. We intend to prove that evidence-based decisions get the best results, and our people and unique culture are the fuel.
Were a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects. Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Womens Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
Were a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects. Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Womens Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
Python Developer (Full Stack) ClearRoute is an is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We work with technology leaders facing complex business challenges. We take as much pride in our people, culture and work-life balance as we do in making better software. Were not just making better software. Were making the making of software better. Collaborative, entrepreneurial and dedicated to problem-Solving, we bring the step change our customer need to sustain innovation. Our values challenge us to do the best we can for ClearRoute, our customers and most importantly our team. We want to create a collaborative team to help build ClearRoute. This is an opportunity for you to build the organization from the ground up, use your voice to drive change and help transform organisations and problem domains. Job Role
Python Developer (Full Stack) ClearRoute is an is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We work with technology leaders facing complex business challenges. We take as much pride in our people, culture and work-life balance as we do in making better software. Were not just making better software. Were making the making of software better. Collaborative, entrepreneurial and dedicated to problem-Solving, we bring the step change our customer need to sustain innovation. Our values challenge us to do the best we can for ClearRoute, our customers and most importantly our team. We want to create a collaborative team to help build ClearRoute. This is an opportunity for you to build the organization from the ground up, use your voice to drive change and help transform organisations and problem domains. Job Role
Software Developer/Analyst
Software Developer/Analyst
International Rescue Committee, U.k.
City of London, London
£45,954 - £53,614 a year
The International Rescue Committee (IRC) responds to the world's worst humanitarian crises, helping to restore health, safety, education, economic wellbeing, and power to people devastated by conflict and disaster. Founded in 1933 at the call of Albert Einstein, the IRC is one of the world's largest international humanitarian non-governmental organizations (INGO), at work in more than 40 countries and 29 U.S. cities helping people to survive, reclaim control of their future and strengthen their communities. A force for humanity, IRC employees deliver lasting impact by restoring safety, dignity and hope to millions. If you're a solutions-driven, passionate change-maker, come join us in positively impacting the lives of millions of people world-wide for a better future. We aim to make our programs a model for the highest global standards and to cultivate power and lasti
The International Rescue Committee (IRC) responds to the world's worst humanitarian crises, helping to restore health, safety, education, economic wellbeing, and power to people devastated by conflict and disaster. Founded in 1933 at the call of Albert Einstein, the IRC is one of the world's largest international humanitarian non-governmental organizations (INGO), at work in more than 40 countries and 29 U.S. cities helping people to survive, reclaim control of their future and strengthen their communities. A force for humanity, IRC employees deliver lasting impact by restoring safety, dignity and hope to millions. If you're a solutions-driven, passionate change-maker, come join us in positively impacting the lives of millions of people world-wide for a better future. We aim to make our programs a model for the highest global standards and to cultivate power and lasti
The Role - Were looking for a Senior Data Engineer to play a pivotal role in shaping, scaling, and maintaining our data pipelines and Lakehouse architectures, ensuring they are reliable, high-performing, and cost-efficient. Youll be joining our Data & BI team, collaborating with internal stakeholders and external partners to enhance and optimise existing systems. Youll be across the development of our data platform supporting The Arsenal App, enabling seamless engagement between our club and our supporters. Who we are - We are one of the most famous clubs in world football, with a rich heritage and history of success read more about our history, here. Beyond that, we are passionate about our local community and, behind the scenes, we have a wide variety of opportunities and career paths for all. We have a very defined purpose: to act for a winning team, culture and co
The Role - Were looking for a Senior Data Engineer to play a pivotal role in shaping, scaling, and maintaining our data pipelines and Lakehouse architectures, ensuring they are reliable, high-performing, and cost-efficient. Youll be joining our Data & BI team, collaborating with internal stakeholders and external partners to enhance and optimise existing systems. Youll be across the development of our data platform supporting The Arsenal App, enabling seamless engagement between our club and our supporters. Who we are - We are one of the most famous clubs in world football, with a rich heritage and history of success read more about our history, here. Beyond that, we are passionate about our local community and, behind the scenes, we have a wide variety of opportunities and career paths for all. We have a very defined purpose: to act for a winning team, culture and co
Experience and knowledge of API testing and the use of Postman
Experience and knowledge of API testing and the use of Postman
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Full Stack Lead Developer with Dot NET CORE & Angular 16 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Contract Employee ( 4 days work from Office in London)
Full Stack Lead Developer with Dot NET CORE & Angular 16 + ( Mandatory) - LONDON BASED APPLICANTS- Fixed Term Contract Employee ( 4 days work from Office in London)
WNS Global Services Ltd
London
Competitive
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework.
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Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
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We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Experience in Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus
Web API Services
Web API Services
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Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
Extensive ability to read and understand and compile technical documentation (API documentation, ERD, functional specifications etc).
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Programming Languages Proficient in Programming languages like .NET 8, ASP.NET Core, Web API, .NET Framework C#.NET, WPF, JavaScript, JQuery, Ajax, HTML, SQL, Visual Fox Pro
Programming Languages Proficient in Programming languages like .NET 8, ASP.NET Core, Web API, .NET Framework C#.NET, WPF, JavaScript, JQuery, Ajax, HTML, SQL, Visual Fox Pro
Skilled in AWS (ECS, Lambda, API Gateway, S3, etc.) or similar cloud environments.
Skilled in AWS (ECS, Lambda, API Gateway, S3, etc.) or similar cloud environments.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
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Related Jobs
Locations
- The City, City (EC4)
- Southwark
- Ireland
- The City, City (EC2)
- The City, City (EC3)
- Euston
- Fishery
- Kennington
- Mayfair
- Piccadilly
- City of London
- Reading
- South East London
- Central London
- West End
- Abingdon
- Southampton
- Milton Keynes
- South West London
- Basingstoke
- London
- Berkshire
- Hampshire
- Oxfordshire
- Surrey
- Bedfordshire
- Buckinghamshire
- Hertfordshire
- Northamptonshire
- Kent
- South East
- East Midlands
- Midlands
- South West