Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
7 Permanent API jobs in Portsmouth + 20 miles
112 exact matches jobs are outside your preferred location
)
Experience designing and building scalable micro-services using API-First principles using at least one of REST/gRPC.
Experience designing and building scalable micro-services using API-First principles using at least one of REST/gRPC.
NEW
)
Integrate automation into Azure DevOps CI/CD pipelines and define API testing. * Lead the API testing strategy. * Experience in API testing using tools like Postman or JMeter.
Integrate automation into Azure DevOps CI/CD pipelines and define API testing. * Lead the API testing strategy. * Experience in API testing using tools like Postman or JMeter.
NEW
)
API development using technologies and standards like REST/GraphQL/gRPC or similar.
API development using technologies and standards like REST/GraphQL/gRPC or similar.
NEW
)
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
Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
NEW
You understand and care deeply about the developer journey, from first API call to production deployment.
You understand and care deeply about the developer journey, from first API call to production deployment.
NEW
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
NEW
Liaise and collaborate with internal stakeholders such as TAs, SMEs and other discipline Engineers to deliver structural engineering services ensuring compliance with industry design standards (ISO, API, DNV, NORSOK, etc.) and certification requirements.
Liaise and collaborate with internal stakeholders such as TAs, SMEs and other discipline Engineers to deliver structural engineering services ensuring compliance with industry design standards (ISO, API, DNV, NORSOK, etc.) and certification requirements.
Full Stack Developer .NET / Angular - Hybrid 2 -3 days based in Coleshill, Warwickshire (UK-based) | Permanent | Full-Time? Work on a global SaaS platform transforming recruitment tech - Microsoft Partner | Cutting-Edge Greenfield Projects | Agile Delivery - About Mercury - Mercury is a fast-growing SaaS business operating in close partnership with Microsoft. We specialise in delivering market-leading recruitment technology to professional staffing sectors worldwide. Our flagship product is a custom-built Applicant Tracking System (ATS) built on Microsoft Dynamics 365, tailored specifically for recruitment agencies and talent-focused businesses. With a modern tech stack and a culture of innovation, were on a mission to transform how recruitment businesses operate empowering them with scalable, intuitive software solutions. The Role
Full Stack Developer .NET / Angular - Hybrid 2 -3 days based in Coleshill, Warwickshire (UK-based) | Permanent | Full-Time? Work on a global SaaS platform transforming recruitment tech - Microsoft Partner | Cutting-Edge Greenfield Projects | Agile Delivery - About Mercury - Mercury is a fast-growing SaaS business operating in close partnership with Microsoft. We specialise in delivering market-leading recruitment technology to professional staffing sectors worldwide. Our flagship product is a custom-built Applicant Tracking System (ATS) built on Microsoft Dynamics 365, tailored specifically for recruitment agencies and talent-focused businesses. With a modern tech stack and a culture of innovation, were on a mission to transform how recruitment businesses operate empowering them with scalable, intuitive software solutions. The Role
NEW
Software Consulting Engineer – T&D Configuration Systems & Software Solutions
Software Consulting Engineer – T&D Configuration Systems & Software Solutions
GE Vernova
UK
Competitive
Drive the integration IEC 61850 engineering workflows (SCL-based ICD, SCD, SSD) into intuitive, automated tooling ecosystems aligned with modern UI/UX, API design, and utility integration requirements. * Knowledge of data modeling, API integration, network communications, and cybersecurity practices.
Drive the integration IEC 61850 engineering workflows (SCL-based ICD, SCD, SSD) into intuitive, automated tooling ecosystems aligned with modern UI/UX, API design, and utility integration requirements. * Knowledge of data modeling, API integration, network communications, and cybersecurity practices.
Mentor SREs in developing orchestration pipelines, IaC modules, and secure API integrations.
Mentor SREs in developing orchestration pipelines, IaC modules, and secure API integrations.
Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
NEW
Job Introduction - Job Title: Technical Business Analyst - Salary: £51,000 - 56,000 - Contract: Permanent - Location: Hybrid based in Warrington - Weekly Hours: 35 hours per week - So. What is this role exactly? This is an exciting opportunity for a Technical Business Analyst to join our Data & Business Intelligence team. We're continuing to evolve our data capabilities and governance frameworks-so it's a great time to be part of the journey. We're looking for someone who's passionate about data, thrives on technical analysis, and takes pride in delivering high-quality solutions that support business strategy and decision-making. What will my working week look like? You will be homebased, living within the North West, within a reasonable travelling distance of our Head Office in Warrington, to attend meetings and training courses when needed.
Job Introduction - Job Title: Technical Business Analyst - Salary: £51,000 - 56,000 - Contract: Permanent - Location: Hybrid based in Warrington - Weekly Hours: 35 hours per week - So. What is this role exactly? This is an exciting opportunity for a Technical Business Analyst to join our Data & Business Intelligence team. We're continuing to evolve our data capabilities and governance frameworks-so it's a great time to be part of the journey. We're looking for someone who's passionate about data, thrives on technical analysis, and takes pride in delivering high-quality solutions that support business strategy and decision-making. What will my working week look like? You will be homebased, living within the North West, within a reasonable travelling distance of our Head Office in Warrington, to attend meetings and training courses when needed.
NEW
At Convergence Group, weve spent the last 20 years building a business that lasts - powered by resilience, continuous improvement, and a product-led mindset. Now, were scaling fast and shaking up an industry thats ripe for innovation. As a Software Engineer at Convergence, youll play a key role across the entire software development lifecycle, from planning and architecture through delivery and maintenance. Youll help us evolve our connectivity products and internal tools using modern technologies -while contributing to an engineering culture that values clean code, autonomy, and continuous improvement. * Build and maintain high-quality, scalable web applications using C#, JavaScript, web development frameworks and libraries (e.g. React, Next.js, Blazor), and Azure services. * Design intuitive front-end experiences and robust back-end logic with seamless client-server
At Convergence Group, weve spent the last 20 years building a business that lasts - powered by resilience, continuous improvement, and a product-led mindset. Now, were scaling fast and shaking up an industry thats ripe for innovation. As a Software Engineer at Convergence, youll play a key role across the entire software development lifecycle, from planning and architecture through delivery and maintenance. Youll help us evolve our connectivity products and internal tools using modern technologies -while contributing to an engineering culture that values clean code, autonomy, and continuous improvement. * Build and maintain high-quality, scalable web applications using C#, JavaScript, web development frameworks and libraries (e.g. React, Next.js, Blazor), and Azure services. * Design intuitive front-end experiences and robust back-end logic with seamless client-server
Data Engineer – Proven Experience in Energy Sector, Smart Infrastructure & Industrial Automation Required
Data Engineer – Proven Experience in Energy Sector, Smart Infrastructure & Industrial Automation Required
GE Vernova
UK
Competitive
Job Description Summary - We are seeking a results-driven Data Engineer to join our Grid Innovation team. This role focuses on designing, building, and maintaining the infrastructure and data pipelines that enable effective data collection, processing, storage, and analysis for cutting-edge AI/ML applications in the energy domain. Experience in the energy sector, smart infrastructure, or industrial automation is fundamental, as this role supports AI-driven innovation in mission-critical systems with high regulatory and operational complexity. As part of the CTO organization, reporting to the AI Leader, you will work closely with Grid Automation (GA) product lines, R&D teams, product management, and other GA functions. You will also support cross-functional initiatives by developing scalable and unified data frameworks to address critical customer problems and enable r
Job Description Summary - We are seeking a results-driven Data Engineer to join our Grid Innovation team. This role focuses on designing, building, and maintaining the infrastructure and data pipelines that enable effective data collection, processing, storage, and analysis for cutting-edge AI/ML applications in the energy domain. Experience in the energy sector, smart infrastructure, or industrial automation is fundamental, as this role supports AI-driven innovation in mission-critical systems with high regulatory and operational complexity. As part of the CTO organization, reporting to the AI Leader, you will work closely with Grid Automation (GA) product lines, R&D teams, product management, and other GA functions. You will also support cross-functional initiatives by developing scalable and unified data frameworks to address critical customer problems and enable r
Restful API Services experience
Restful API Services experience
Restful API Services experience
Restful API Services experience
Microsoft .NET / C#, MVC, SQL Server, Rest API and Visual Studio required.
Microsoft .NET / C#, MVC, SQL Server, Rest API and Visual Studio required.
New GraphQL API backends.
New GraphQL API backends.