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Date posted
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- Moorgate
- Canary Wharf
- Charing Cross
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- Grays Inn
- Greenwich
- Haddenham
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36 Permanent API jobs in Blackfriars + 20 miles
98 exact matches jobs are outside your preferred location
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Design, build and maintain data-intensive web applications and API-driven systems
Design, build and maintain data-intensive web applications and API-driven systems
Hands-on-Experience on and REST API based web service calling Oracle cloud ERP, Data Conversions, Interfaces and Extensions
Hands-on-Experience on and REST API based web service calling Oracle cloud ERP, Data Conversions, Interfaces and Extensions
This is a hands-on quality engineering role responsible for designing, executing, and maintaining automated and manual tests for backend and API-driven systems in a financial services environment. * Working knowledge of test automation frameworks and tools (e.g., API automation, backend test frameworks, or UI automation where applicable).
This is a hands-on quality engineering role responsible for designing, executing, and maintaining automated and manual tests for backend and API-driven systems in a financial services environment. * Working knowledge of test automation frameworks and tools (e.g., API automation, backend test frameworks, or UI automation where applicable).
Design, develop, and maintain automated test frameworks for digital asset platforms, with a strong focus on API and backend testing
Design, develop, and maintain automated test frameworks for digital asset platforms, with a strong focus on API and backend testing
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The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. * Design and implement API-driven integrations between core systems including CRM, website platforms, marketing tools, analytics environments, and internal databases, ensuring systems operate as a connected digital ecosystem. * Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments.
The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. * Design and implement API-driven integrations between core systems including CRM, website platforms, marketing tools, analytics environments, and internal databases, ensuring systems operate as a connected digital ecosystem. * Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments.
PREMIUM
This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. * Implement robust automated testing practices across the stack (unit, integration, and UI/API tests) and uphold strong quality gates through code reviews and CI/CD discipline. * Working knowledge of digital asset concepts (tokenization / custody) sufficient to translate workflows into UI and API behaviour. * Exposure to high-scale data/integration patterns commonly used in financial services platforms (streaming such as Kafka/MQ, API gateways, and event-driven architectures).
This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. * Implement robust automated testing practices across the stack (unit, integration, and UI/API tests) and uphold strong quality gates through code reviews and CI/CD discipline. * Working knowledge of digital asset concepts (tokenization / custody) sufficient to translate workflows into UI and API behaviour. * Exposure to high-scale data/integration patterns commonly used in financial services platforms (streaming such as Kafka/MQ, API gateways, and event-driven architectures).
This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. * Implement robust automated testing practices across the stack (unit, integration, and UI/API tests) and uphold strong quality gates through code reviews and CI/CD discipline. * Working knowledge of digital asset concepts (tokenization / custody) sufficient to translate workflows into UI and API behaviour. * Exposure to high-scale data/integration patterns commonly used in financial services platforms (streaming such as Kafka/MQ, API gateways, and event-driven architectures).
This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. * Implement robust automated testing practices across the stack (unit, integration, and UI/API tests) and uphold strong quality gates through code reviews and CI/CD discipline. * Working knowledge of digital asset concepts (tokenization / custody) sufficient to translate workflows into UI and API behaviour. * Exposure to high-scale data/integration patterns commonly used in financial services platforms (streaming such as Kafka/MQ, API gateways, and event-driven architectures).
The role focuses on delivering intuitive, secure, and performant user interfaces that consume API-driven backend services.
The role focuses on delivering intuitive, secure, and performant user interfaces that consume API-driven backend services.
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Application, Infrastructure and Service Management, Senior Associate
Application, Infrastructure and Service Management, Senior Associate
State Street Corporation
London
Competitive
API-based integrations (REST / JSON, event-driven APIs)
API-based integrations (REST / JSON, event-driven APIs)
API-based integrations (REST / JSON, event-driven APIs)
API-based integrations (REST / JSON, event-driven APIs)
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Experience of CLI, scripting, and creating API and SDK documentation.
Experience of CLI, scripting, and creating API and SDK documentation.
Knowledge of API, state store and integration workflows
Knowledge of API, state store and integration workflows
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Tooling Ownership: Serve as the technical owner for a broad suite of corporate security systems, managing deployments, configurations, and API integrations for tools across the corporate environment.
Tooling Ownership: Serve as the technical owner for a broad suite of corporate security systems, managing deployments, configurations, and API integrations for tools across the corporate environment.
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Enterprise Architect - Cyber Security
Enterprise Architect - Cyber Security
McCormick UK Limited
Haddenham, Aylesbury (HP17)
Competitive salary
Position Overview - TheEnterprise Architectacts as a key advisor to the Business Unit or Functional leadership team and as a major contributor to McCormicksEnterprise Architecture (EA)strategy. This role engages collaboratively with business and technology leaders to understand strategic business needs and roadmaps, solve complex technology and architecture challenges, and shape the technology strategy that enables McCormicks growth and transformation. The position leads architecture strategy development defines technology roadmaps and guardrails and ensures alignment with enterprise standards and guiding principles. The Enterprise Architect represents the domains needs within the broader EA framework, tracks emerging technologies, and assesses their potential to create business value. This role influences EA and Global IT strategic goals by maintaining awareness of value ...
Position Overview - TheEnterprise Architectacts as a key advisor to the Business Unit or Functional leadership team and as a major contributor to McCormicksEnterprise Architecture (EA)strategy. This role engages collaboratively with business and technology leaders to understand strategic business needs and roadmaps, solve complex technology and architecture challenges, and shape the technology strategy that enables McCormicks growth and transformation. The position leads architecture strategy development defines technology roadmaps and guardrails and ensures alignment with enterprise standards and guiding principles. The Enterprise Architect represents the domains needs within the broader EA framework, tracks emerging technologies, and assesses their potential to create business value. This role influences EA and Global IT strategic goals by maintaining awareness of value ...
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Strong expertise in RESTful API design, versioning, testing, and lifecycle management.
Strong expertise in RESTful API design, versioning, testing, and lifecycle management.
Strong understanding of API testing, performance profiling, and security testing.
Strong understanding of API testing, performance profiling, and security testing.
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You will be working in a large team of engineers, product people, designers, and QA to build the Backend for Frontend API layer consumed by American Express travel mobile app.
You will be working in a large team of engineers, product people, designers, and QA to build the Backend for Frontend API layer consumed by American Express travel mobile app.
Strong expertise in RESTful API design, versioning, testing, and lifecycle management. * Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management) preferred; experience with other cloud platform (AWS, GCP) is also valued.
Strong expertise in RESTful API design, versioning, testing, and lifecycle management. * Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management) preferred; experience with other cloud platform (AWS, GCP) is also valued.
Product Management - Private markets, Charles River Development, Assistant Vice President
Product Management - Private markets, Charles River Development, Assistant Vice President
State Street Corporation
London
Competitive
Define and deliver the roadmap for horizontal platform capabilities serving all private markets asset classes including core data services, cross-fund analytics, workflow automation, and API infrastructure. * Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. * Experience with API-first product design and developer experience (DX) programs.
Define and deliver the roadmap for horizontal platform capabilities serving all private markets asset classes including core data services, cross-fund analytics, workflow automation, and API infrastructure. * Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. * Experience with API-first product design and developer experience (DX) programs.
AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
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Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
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Junior Integration Analyst
Junior Integration Analyst
Altro
Letchworth Garden City (SG6), SG6 1NW
Competitive salary plus additional benefits,
Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
PREMIUM
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Zensar is a leading digital solutions and technology services company that specialises in partnering with global organisations across industries in their Digital Transformation journey. Zensars Return on Digital strategy has enabled customers to look beyond current investments towards realising visible business benefits in their digital transformation journey. If youre looking for a workplace where associates realise and contribute to their full potential, are recognised for the impact they make, and enjoy the company of the people they work with, then youve come to the right place! We are looking for a Product Owner to drive delivery across multiple digital and AI-enabled initiatives already underway at Zensar. This is a core PO role with strong execution ownership, where AI exposure is not optional.
Zensar is a leading digital solutions and technology services company that specialises in partnering with global organisations across industries in their Digital Transformation journey. Zensars Return on Digital strategy has enabled customers to look beyond current investments towards realising visible business benefits in their digital transformation journey. If youre looking for a workplace where associates realise and contribute to their full potential, are recognised for the impact they make, and enjoy the company of the people they work with, then youve come to the right place! We are looking for a Product Owner to drive delivery across multiple digital and AI-enabled initiatives already underway at Zensar. This is a core PO role with strong execution ownership, where AI exposure is not optional.
Related Jobs
Locations
- Moorgate
- Canary Wharf
- Charing Cross
- Farnborough Park
- Grays Inn
- Greenwich
- Haddenham
- Littlemore
- Marefield
- New Town
- City of London
- Cambridge
- Central London
- West End
- Reading
- Bracknell
- Harlow
- Oxford
- Farnborough
- Milton Keynes
- London
- Cambridgeshire
- Berkshire
- Buckinghamshire
- Oxfordshire
- Hampshire
- Hertfordshire
- Essex
- Kent
- Surrey
- South East
- East Anglia