Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
19 API jobs in Northamptonshire + 20 miles
247 exact matches jobs are outside your preferred location
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Lead Software AI Engineer - At Klaviyo, we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. We've built the infrastructure and application that serve as the interface between businesses and consumers. We now have over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer messages and fol
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Lead Software AI Engineer - At Klaviyo, we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. We've built the infrastructure and application that serve as the interface between businesses and consumers. We now have over 167,000 customers, billions of consumer profiles, and hundreds of billions of customer messages and fol
About Mesh-AI - We're a transformation consultancy and we exist to reimagine how enterprises operate, making data and AI their competitive advantage. We turn enterprises into data-driven and AI enabled organisations, unleashing business growth and accelerating outcomes. We're building an open, collaborative culture and we are always on the lookout for top talent to join us in our next phase of growth. If you're interested in working on business-defining engagements with some of the brightest minds in the industry, apply below! Overview - Mesh-AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting engagements within our Energy & Commodities Trading sector. This role demands a unique combination of hands-on technical excellence and deep domain expertise in trading environments.
About Mesh-AI - We're a transformation consultancy and we exist to reimagine how enterprises operate, making data and AI their competitive advantage. We turn enterprises into data-driven and AI enabled organisations, unleashing business growth and accelerating outcomes. We're building an open, collaborative culture and we are always on the lookout for top talent to join us in our next phase of growth. If you're interested in working on business-defining engagements with some of the brightest minds in the industry, apply below! Overview - Mesh-AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting engagements within our Energy & Commodities Trading sector. This role demands a unique combination of hands-on technical excellence and deep domain expertise in trading environments.
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Deep knowledge of enterprise architecture patterns, public cloud services (Azure, AWS), application design, integration patterns (API, event-driven), and data platforms.
Hands-on .NET experience, including C# and ASP.NET WEB API.
Hands-on .NET experience, including C# and ASP.NET WEB API.
Architect and develop scalable and performant mission critical web applications using Next.js for front-end and Node.js for API development.
Architect and develop scalable and performant mission critical web applications using Next.js for front-end and Node.js for API development.
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
NEW
Understanding and/or experience in managing API-based software businesses
Understanding and/or experience in managing API-based software businesses
Experience of RESTful API design
Experience of RESTful API design
Broad Testing Experience: Experience in front-end and API testing.
Broad Testing Experience: Experience in front-end and API testing.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
Design and manage secure networking and service meshes (TLS, Istio, Linkerd, API gateways) to ensure encrypted and reliable service-to-service communication. * Experience designing and managing secure networking and service mesh (TLS, Istio, Linkerd, API gateways).
Design and manage secure networking and service meshes (TLS, Istio, Linkerd, API gateways) to ensure encrypted and reliable service-to-service communication. * Experience designing and managing secure networking and service mesh (TLS, Istio, Linkerd, API gateways).
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
NEW
Provides advanced knowledge of API development, API management, and implementation strategies to enhance scalability and system efficiency.
Provides advanced knowledge of API development, API management, and implementation strategies to enhance scalability and system efficiency.
Designed robust data architectures with a strong grasp of distributed systems, API development, and the patterns that make complex data processing reliable and maintainable.
Designed robust data architectures with a strong grasp of distributed systems, API development, and the patterns that make complex data processing reliable and maintainable.
)
Howdens Joinery are looking for a new Solutions Architect with expert experience in API and Microservices to join our Digital & Trade Architecture team based in either our office in Raunds, Northamptonshire or Croxley Park, Watford with some home working.
Howdens Joinery are looking for a new Solutions Architect with expert experience in API and Microservices to join our Digital & Trade Architecture team based in either our office in Raunds, Northamptonshire or Croxley Park, Watford with some home working.
NEW
)
Test Automation: Build and maintain robust, scalable test automation frameworks for API, integration, and end-to-end tests within the MLOps pipeline. * Experience with automation tools (e.g., Selenium, Playwright, Cypress) and API testing tools (e.g., Postman, REST Assured).
Test Automation: Build and maintain robust, scalable test automation frameworks for API, integration, and end-to-end tests within the MLOps pipeline. * Experience with automation tools (e.g., Selenium, Playwright, Cypress) and API testing tools (e.g., Postman, REST Assured).
)
Integrate security controls into digital platforms (e.g., SaaS, PaaS, IaaS) and ensure secure API and web application deployments.
Integrate security controls into digital platforms (e.g., SaaS, PaaS, IaaS) and ensure secure API and web application deployments.
NEW
)
Shopify Technical Lead/ Tech Lead/ Principle developer/ Shopify/ Remote * Title: Shopify Tech Lead * Domain: Agency, Shopify * Salary: up to £70k * Location: UK (remote) * Tech: Shopify, Shopify Plus, Liquid, APIs, JavaScript, HTML, Vite - We're looking for a Shopify Technical Lead to drive technical excellence, lead development teams, and deliver world-class Shopify solutions. You'll architect scalable systems, oversee code quality, mentor developers, and collaborate with stakeholders to ensure projects succeed. * Lead Shopify web/app development projects from design to delivery * Provide technical leadership, code reviews, and mentorship * Ensure best practices in CI/CD, performance, and accessibility * Collaborate with clients, PMs, and BAs to align on goals * Support and inspire your team to grow professionally
Shopify Technical Lead/ Tech Lead/ Principle developer/ Shopify/ Remote * Title: Shopify Tech Lead * Domain: Agency, Shopify * Salary: up to £70k * Location: UK (remote) * Tech: Shopify, Shopify Plus, Liquid, APIs, JavaScript, HTML, Vite - We're looking for a Shopify Technical Lead to drive technical excellence, lead development teams, and deliver world-class Shopify solutions. You'll architect scalable systems, oversee code quality, mentor developers, and collaborate with stakeholders to ensure projects succeed. * Lead Shopify web/app development projects from design to delivery * Provide technical leadership, code reviews, and mentorship * Ensure best practices in CI/CD, performance, and accessibility * Collaborate with clients, PMs, and BAs to align on goals * Support and inspire your team to grow professionally
FEATURED
This is an exciting opportunity to contribute to the development of our cutting-edge MACH-based digital platform (Microservices, API-first, Cloud-Native, and Headless), which powers over 50 websites and Mobile Applicationsincluding some of the biggest names in retail.
This is an exciting opportunity to contribute to the development of our cutting-edge MACH-based digital platform (Microservices, API-first, Cloud-Native, and Headless), which powers over 50 websites and Mobile Applicationsincluding some of the biggest names in retail.
NEW
Hands-on experience with service mesh, policy management, or API gateways is a plus.
Hands-on experience with service mesh, policy management, or API gateways is a plus.
NEW
)
Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
NEW
)
Your new company - One of the largest Government Organisations responsible for Trade and Investment - Your new role - What you'll need to succeed - Are you looking to join as a key member of the Microsoft team? Are you looking to utilise Microsoft Office products, specifically Microsoft Dynamics, to deliver solutions in rapid and agile ways that will reduce burdens on staff, maximise the use of data and support decision-making? You will develop your own solutions and be expected to be innovative, but ensure compliance with the appropriate requirements for data protection and information security. As part of this role, you'll actively promote the use of M365 applications, helping the department make the most of the M365 applications that are available. * Develop and configure new and existing services using Power Platform, Plug-Ins, and Dynamics 365
Your new company - One of the largest Government Organisations responsible for Trade and Investment - Your new role - What you'll need to succeed - Are you looking to join as a key member of the Microsoft team? Are you looking to utilise Microsoft Office products, specifically Microsoft Dynamics, to deliver solutions in rapid and agile ways that will reduce burdens on staff, maximise the use of data and support decision-making? You will develop your own solutions and be expected to be innovative, but ensure compliance with the appropriate requirements for data protection and information security. As part of this role, you'll actively promote the use of M365 applications, helping the department make the most of the M365 applications that are available. * Develop and configure new and existing services using Power Platform, Plug-Ins, and Dynamics 365
NEW
We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
NEW
We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
We are looking for a K8 Systems Developer to design, develop, implement, and support solutions exclusively for the enhancement of the EPOS application within our Trade business. This role involves working with Product Owners, Business Analysts, and Technical Architects to deliver effective solutions for depot colleagues. It is a full-time permanent role working 37.5 hours per week, occasional weekend work, and participation in a shared on-call support rota. What you will be doing * Developing and implementing K8 Reports following best practices for user experience and performance. * Developing and implementing DX transfers and DX transforms to support K8 and SAP end to end integration. * Developing and implementing K8 Format Stationaries using Print Manager. * Supporting end-users by troubleshooting system and integration issues, maintaining optimal performance.
NEW
)
UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * SC Clearance Required - Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel * Competitive pension contributions and a comprehensive benefits pa
UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * SC Clearance Required - Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel * Competitive pension contributions and a comprehensive benefits pa
NEW