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10 Permanent API jobs in Portsmouth + 20 miles
174 exact matches jobs are outside your preferred location
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This is a great opportunity for a Junior Business Analyst to join a leading Southampton based organisation in a truly varied role. The team is well established and provide support to the wider business on all applications and business systems. You'll work on projects, deliver 2nd / 3rd line support, test new feature and enable the business to continue to operate effectively. The team sits within the IT Department and acts as the primary interface between both internal & external customers, the development team and external software vendors. The role is provide business analysis, systems analysis, support, testing and project support on a range of applications / business systems. The variety of work is huge and you'll be working a BAU task one day and then managing small projects the next. You will also be responsible for testing new software component, training users,
This is a great opportunity for a Junior Business Analyst to join a leading Southampton based organisation in a truly varied role. The team is well established and provide support to the wider business on all applications and business systems. You'll work on projects, deliver 2nd / 3rd line support, test new feature and enable the business to continue to operate effectively. The team sits within the IT Department and acts as the primary interface between both internal & external customers, the development team and external software vendors. The role is provide business analysis, systems analysis, support, testing and project support on a range of applications / business systems. The variety of work is huge and you'll be working a BAU task one day and then managing small projects the next. You will also be responsible for testing new software component, training users,
This is a great opportunity for an Application Support Engineer to join a leading Southampton based organisation in a truly varied role. The team is well established and provide support to the wider business on all applications and business systems. You'll work on projects, deliver 2nd / 3rd line support, test new feature and enable the business to continue to operate effectively. The team sits within the IT Department and acts as the primary interface between both internal & external customers, the development team and external software vendors. The role is provide analysis, support, testing and project support on a range of applications / business systems. The variety of work is huge and you'll be working a BAU task one day and then managing small projects the next. You will also be responsible for testing new software component, training users, writing documentatio
This is a great opportunity for an Application Support Engineer to join a leading Southampton based organisation in a truly varied role. The team is well established and provide support to the wider business on all applications and business systems. You'll work on projects, deliver 2nd / 3rd line support, test new feature and enable the business to continue to operate effectively. The team sits within the IT Department and acts as the primary interface between both internal & external customers, the development team and external software vendors. The role is provide analysis, support, testing and project support on a range of applications / business systems. The variety of work is huge and you'll be working a BAU task one day and then managing small projects the next. You will also be responsible for testing new software component, training users, writing documentatio
This is a great opportunity for a Business Systems Analyst to join a leading Southampton based organisation in a truly varied role. The team is well established and provide support to the wider business on all applications and business systems. You'll work on projects, deliver 2nd / 3rd line support, test new feature and enable the business to continue to operate effectively. The team sits within the IT Department and acts as the primary interface between both internal & external customers, the development team and external software vendors. The role is provide analysis, support, testing and project support on a range of applications / business systems. The variety of work is huge and you'll be working a BAU task one day and then managing small projects the next. You will also be responsible for testing new software component, training users, writing documentation, ..
This is a great opportunity for a Business Systems Analyst to join a leading Southampton based organisation in a truly varied role. The team is well established and provide support to the wider business on all applications and business systems. You'll work on projects, deliver 2nd / 3rd line support, test new feature and enable the business to continue to operate effectively. The team sits within the IT Department and acts as the primary interface between both internal & external customers, the development team and external software vendors. The role is provide analysis, support, testing and project support on a range of applications / business systems. The variety of work is huge and you'll be working a BAU task one day and then managing small projects the next. You will also be responsible for testing new software component, training users, writing documentation, ..
Security Architecture Secure Design Team - Role: Senior Manager Secure Design (People Leader) Grade: GG14 - Security Architecture Design team is responsible for developing Security Architecture patterns; developing security controls needed for new technology; promoting the use of the architectural patterns into development projects; Leading the Security Architecture Design Forum; Evaluating architectural security risks in existing systems; Consulting with system development teams and architects on building security into their design. This role has responsibility for building and setting the direction of the team, and for the teams output. Reports to: Director - Security Architecture - Key relationships & committees * Security Domain Forum (chair) * CTO / Architecture Governance * Business Aligned Principal Security Architects * CyberSecurity Engineering
Security Architecture Secure Design Team - Role: Senior Manager Secure Design (People Leader) Grade: GG14 - Security Architecture Design team is responsible for developing Security Architecture patterns; developing security controls needed for new technology; promoting the use of the architectural patterns into development projects; Leading the Security Architecture Design Forum; Evaluating architectural security risks in existing systems; Consulting with system development teams and architects on building security into their design. This role has responsibility for building and setting the direction of the team, and for the teams output. Reports to: Director - Security Architecture - Key relationships & committees * Security Domain Forum (chair) * CTO / Architecture Governance * Business Aligned Principal Security Architects * CyberSecurity Engineering
Role Purpose - This is an exciting role in the expanding Security Architecture team at LSEG. The Architecture team reports into the Group CISO. This role is to join the team as a Senior Security Specialist with a view to strengthening and building out our assurance processes as we move from a traditional on-prem operation, into the virtual, software defined and cloud paradigm. Security Architecture Review team is responsible for reviewing the security posture of new systems alongside the Principal Security Architects; Reviewing firewall rule changes in both BAU and strategic initiatives - Successful candidate will be part of Security Architecture Review team to define the roles goals, processes and deliverable, support our strategy to Shift Left and enable the business to achieve its goals in agility and innovation. Role Responsibilities
Role Purpose - This is an exciting role in the expanding Security Architecture team at LSEG. The Architecture team reports into the Group CISO. This role is to join the team as a Senior Security Specialist with a view to strengthening and building out our assurance processes as we move from a traditional on-prem operation, into the virtual, software defined and cloud paradigm. Security Architecture Review team is responsible for reviewing the security posture of new systems alongside the Principal Security Architects; Reviewing firewall rule changes in both BAU and strategic initiatives - Successful candidate will be part of Security Architecture Review team to define the roles goals, processes and deliverable, support our strategy to Shift Left and enable the business to achieve its goals in agility and innovation. Role Responsibilities
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Proficiency in REST API development
Proficiency in REST API development
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Familiarity with microservices architecture and API development (REST, GraphQL).
Familiarity with microservices architecture and API development (REST, GraphQL).
API-centric architectures.
API-centric architectures.
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We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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Experience with relational databases and API design.
Experience with relational databases and API design.
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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.
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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.
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Senior Java Engineering Lead - Digital Markets Infrastructure
Senior Java Engineering Lead - Digital Markets Infrastructure
London Stock Exchange
South East
Competitive
Solid understanding of REST API design principles.
Solid understanding of REST API design principles.
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API development using technologies and standards like REST/GraphQL/gRPC or similar.
API development using technologies and standards like REST/GraphQL/gRPC or similar.
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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.
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The Solutions Engineering team at Wise Platform bridges the gap between Wises technical capabilities and our partners needs, ensuring seamless API integration and optimal solution delivery. * Deep technical expertise in API-first platforms, SaaS solutions, and complex system integrations.
The Solutions Engineering team at Wise Platform bridges the gap between Wises technical capabilities and our partners needs, ensuring seamless API integration and optimal solution delivery. * Deep technical expertise in API-first platforms, SaaS solutions, and complex system integrations.
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
Closing date: 12/08/2025 - 37 hours / Permanent - 37,938 - 39,513 * Canolfan Rheidol, Aberystwyth *All salary values are pro-rata. Apply Online - About the role - Please note that the advertised salary for this position is subject to a pending pay award. The final salary will be adjusted in line with the nationally agreed pay award. Join Our Team as a ICT Senior Data Engineer - We are seeking a highly skilled Data Engineer to join our team. This role focuses on managing and transitioning data from traditional on-premises SQL environments to Azure cloud solutions, with a special emphasis on master data management using MS Azure SQL. The successful candidate will be key in integrating various Management Information System (MIS) databases with Azure master data repositories. Ceredigion County Council is a leading, innovative organisation that are supporting the citizens
Closing date: 12/08/2025 - 37 hours / Permanent - 37,938 - 39,513 * Canolfan Rheidol, Aberystwyth *All salary values are pro-rata. Apply Online - About the role - Please note that the advertised salary for this position is subject to a pending pay award. The final salary will be adjusted in line with the nationally agreed pay award. Join Our Team as a ICT Senior Data Engineer - We are seeking a highly skilled Data Engineer to join our team. This role focuses on managing and transitioning data from traditional on-premises SQL environments to Azure cloud solutions, with a special emphasis on master data management using MS Azure SQL. The successful candidate will be key in integrating various Management Information System (MIS) databases with Azure master data repositories. Ceredigion County Council is a leading, innovative organisation that are supporting the citizens
The Payin Platform is an internal API product. Our API product facilitates these inflows and presents a unified view of the money movement that consolidates all of these use-cases.
The Payin Platform is an internal API product. Our API product facilitates these inflows and presents a unified view of the money movement that consolidates all of these use-cases.
Technical Testing of APIs including Authentication & Authorisation, API Requests & Responses and API response codes using tools such as Postman
Technical Testing of APIs including Authentication & Authorisation, API Requests & Responses and API response codes using tools such as Postman
Previous experience working with various API Valves (including Anson, WOM, T3, Cameron) - essential
Previous experience working with various API Valves (including Anson, WOM, T3, Cameron) - essential
Investigate complex technical issues escalated from our global CX team using tools like Chrome DevTools, API logs, and internal monitoring systems.
Investigate complex technical issues escalated from our global CX team using tools like Chrome DevTools, API logs, and internal monitoring systems.
Troubleshooting and configuring Privileged applications, Privileged ID Management, and API integrations.
Troubleshooting and configuring Privileged applications, Privileged ID Management, and API integrations.
Experience contributing to the development of insurance platforms and secondary systems (BDX, MI, API).
Experience contributing to the development of insurance platforms and secondary systems (BDX, MI, API).