Permanent 'API Design' Job Vacancies

301 to 325 of 470 Permanent API Design Jobs

Software Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Venn Apps
products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯
Posted:

AI Software Architect

United Kingdom
Uniting Ambition
growing consulting team. This role is central to shaping enterprise-scale AI transformations, combining deep technical expertise with strategic client engagement. As a Software Architect, you will: Lead the design and delivery of AI and cloud-native architectures, including Generative AI, NLP, and LLM solutions. Act as a trusted advisor to senior stakeholders, guiding AI roadmaps and strategy. Translate … responsible AI standards. Collaborate with internal teams and partners to deliver world-class AI platforms. Key Skills and Experience Demonstrated experience delivering cloud-based applications. Strong grasp of system design principles, project governance, and SDLC best practices. Proven expertise in cloud-native architecture, ideally within the Microsoft Azure ecosystem. Solid understanding of AI and machine learning solution patterns. Deep … knowledge of API design, data integration, and security standards (OAuth2, SSO, encryption). Ability to create clear, well-structured architectural documentation, including diagrams and roadmaps. Excellent communication and stakeholder management skills, with the ability to bridge business objectives and technical delivery. Desirable Skills Background in full-stack or backend engineering, using technologies such as Python, TypeScript, or .NET. More ❯
Posted:

AI Architect

United Kingdom, Birmingham, West Midlands (County)
Uniting Ambition
consulting team. This role is central to shaping enterprise-scale AI transformations, combining deep technical expertise with strategic client engagement. As a Solutions AI Architect, you will: Lead the design and delivery of AI and cloud-native architectures, including Generative AI, NLP, and LLM solutions. Act as a trusted advisor to senior stakeholders, guiding AI roadmaps and strategy. Translate … with internal teams and partners to deliver world-class AI platforms. Key skills and Experience Demonstrated experience as a Solution Architect delivering cloud-based applications. Strong grasp of system design principles, project governance, and SDLC best practices. Proven expertise in cloud-native architecture, ideally within the Microsoft Azure ecosystem. Solid understanding of AI and machine learning solution patterns. Deep … knowledge of API design, data integration, and security standards (OAuth2, SSO, encryption). Ability to create clear, well-structured architectural documentation, including diagrams and roadmaps. Excellent communication and stakeholder management skills, with the ability to bridge business objectives and technical delivery. Desirable Skills Background in full-stack or backend engineering, using technologies such as Python, TypeScript, or .NET. More ❯
Employment Type: Permanent
Salary: £65000 - £75000/annum
Posted:

Senior Software Engineer I

London, United Kingdom
Menlo Security, Inc
of being written, making it a critical part of the Menlo Security platform to keep end users safe. Responsibilities Evaluate and implement the latest development and deployment technologies for API design, highly available and scalable distributed systems, multithreaded/asynchronous applications with performance and security in mind Technically lead large scale projects, and participate in building, deploying and … operating the Menlo Security platform Architect, design, develop and own new features and services and be a key contributor to Menlo's technical roadmap Partner with product, security, operations, and other cross-functional stakeholders to align on requirements and schedules Requirements 3-5 years of experience in cloud computing technologies or related technical fields 3-5 years of hands More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Vice President, Full-Stack Engineer I

Lake Mary, Florida, United States
BNY
is located in Lake Mary, FL. In this role, you'll make an impact in the following ways: Develop and maintain backend services and build and integrate frontend components. Design and optimize relational and NoSQL databases; implement stored procedures, partitioning and data modeling. Use Docker and Kubernetes for containerization; apply CI/CD best practices to streamline deployments and … enforce code quality. Collaborate on API design and integration, ensuring secure and efficient inter-process communication. Participate in code reviews and change control processes, with a focus on performance, memory tuning, and maintainability. Support data initiatives by enabling access to large datasets, integrating with analytics tools, and contributing to data documentation and reporting. Develop and maintain data visualization More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Back End Developer

Greater Manchester, England, United Kingdom
Provide
In this role, you will develop and maintain server-side logic and APIs for web and mobile applications, collaborate with frontend teams to ensure seamless integration, and support database design, development, and optimization. You’ll also play an active role in improving system performance, fixing bugs, and contributing to new features. The ideal candidate will have hands-on experience … in backend development with a focus on Java and Spring Framework (or similar). Strong knowledge of RESTful API design and both SQL and NoSQL databases is essential. This role is well-suited to a backend developer who wants to grow within a collaborative engineering team that values clean, scalable code and strong development practices. Essential Skills Java More ❯
Posted:

Software Architect

South East, United Kingdom
Hybrid / WFH Options
Uniting Ambition
plus excellent benefits Cheshire (hybrid) Shape the next generation of software architecture for critical medical services, with worldwide reach and millions of customers benefiting from the new technology. Design and build multi-tenant SaaS solutions, working closely with engineering squads, product owners and the senior management team, to create a first class architecture. Full application, database, security architecture. Leveraging …/large environments Experience designing and delivering cloud platform solutions, ideally with the AWS well architected framework Domain driven architecture and hexagonal architecture knowledge and experience Strong background in API design, multi-tenant applications, data structures, design patterns, testing methodologies Get in touch for a more detailed spec please Hybrid working, offices are very smart and well More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect

Cheshire East, Cheshire, UK
Hybrid / WFH Options
Uniting Ambition
plus excellent benefits Cheshire (hybrid) Shape the next generation of software architecture for critical medical services, with worldwide reach and millions of customers benefiting from the new technology. Design and build multi-tenant SaaS solutions, working closely with engineering squads, product owners and the senior management team, to create a first class architecture. Full application, database, security architecture. Leveraging …/large environments Experience designing and delivering cloud platform solutions, ideally with the AWS well architected framework Domain driven architecture and hexagonal architecture knowledge and experience Strong background in API design, multi-tenant applications, data structures, design patterns, testing methodologies.. Get in touch for a more detailed spec please MandyKettle@unitingambition.com Hybrid working, offices are very smart More ❯
Posted:

Software Architect

Cheshire East, England, United Kingdom
Hybrid / WFH Options
Uniting Ambition
plus excellent benefits Cheshire (hybrid) Shape the next generation of software architecture for critical medical services, with worldwide reach and millions of customers benefiting from the new technology. Design and build multi-tenant SaaS solutions, working closely with engineering squads, product owners and the senior management team, to create a first class architecture. Full application, database, security architecture. Leveraging …/large environments Experience designing and delivering cloud platform solutions, ideally with the AWS well architected framework Domain driven architecture and hexagonal architecture knowledge and experience Strong background in API design, multi-tenant applications, data structures, design patterns, testing methodologies.. Get in touch for a more detailed spec please MandyKettle@unitingambition.com Hybrid working, offices are very smart More ❯
Posted:

Software Architect

east anglia, united kingdom
Hybrid / WFH Options
Uniting Ambition
plus excellent benefits Cheshire (hybrid) Shape the next generation of software architecture for critical medical services, with worldwide reach and millions of customers benefiting from the new technology. Design and build multi-tenant SaaS solutions, working closely with engineering squads, product owners and the senior management team, to create a first class architecture. Full application, database, security architecture. Leveraging …/large environments Experience designing and delivering cloud platform solutions, ideally with the AWS well architected framework Domain driven architecture and hexagonal architecture knowledge and experience Strong background in API design, multi-tenant applications, data structures, design patterns, testing methodologies.. Get in touch for a more detailed spec please MandyKettle@unitingambition.com Hybrid working, offices are very smart More ❯
Posted:

Full Stack Engineer

London Area, United Kingdom
Hybrid / WFH Options
Inara
collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms … stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability to collaborate with non-technical stakeholders , distilling abstract ideas into actionable plans and measurable outcomes. Familiarity with AI-enhanced development environments More ❯
Posted:

Full Stack Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Inara
collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms … stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability to collaborate with non-technical stakeholders , distilling abstract ideas into actionable plans and measurable outcomes. Familiarity with AI-enhanced development environments More ❯
Posted:

Full Stack Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Inara
collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms … stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability to collaborate with non-technical stakeholders , distilling abstract ideas into actionable plans and measurable outcomes. Familiarity with AI-enhanced development environments More ❯
Posted:

Full Stack Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Inara
collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms … stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability to collaborate with non-technical stakeholders , distilling abstract ideas into actionable plans and measurable outcomes. Familiarity with AI-enhanced development environments More ❯
Posted:

Full Stack Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Inara
collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms … stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability to collaborate with non-technical stakeholders , distilling abstract ideas into actionable plans and measurable outcomes. Familiarity with AI-enhanced development environments More ❯
Posted:

.NET Developer

Cambridge, Cambridgeshire, England, United Kingdom
Hybrid / WFH Options
Avanti
a single intelligent platform. We’ve been doing this since 2002, and today we’re driving forward a major migration to Azure, combining legacy .NET applications with new Blazor, API and data-driven solutions. The Role We’re looking for a skilled .NET Developer to join our small, senior-led team. This is a hands-on role where you … ll be involved in everything from legacy migration to greenfield product development. You’ll work closely with our Technical Director and senior developers to design, build, and deploy robust applications that power personalised customer communications across the travel sector. Key Responsibilities Develop and maintain applications in C#, .NET, SQL Server, and Blazor Migrate older Web Forms systems into modern … Azure-based solutions Design and consume APIs using Entity Framework Core Work across front-end and back-end components (HTML, CSS, JavaScript) Collaborate on architecture, planning and continuous deployment pipelines Contribute to R&D projects, driving new innovation About You You’re a self-sufficient, full-stack developer who loves to solve problems, modernise systems, and build high-quality More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Software Solutions Architect

United Kingdom
VIQU IT Recruitment
Software Solutions Architect £75,000 per annum Remote VIQU have partnered with a leading financial services organisation who are seeking a Solutions Architect to lead the design of an Azure-based platform, integrating data and processes from three separate systems. The position will play a key part in designing scalable, secure, and occasionally bespoke systems that support critical business … Working closely with development teams and senior stakeholders, the role will shape the technical direction of the organisation’s core systems. Job Duties of the Solutions Architect: Lead solution design across multiple core systems and applications focused on transactional, financial & case management. Work closely with senior (Head of to C-suite) to shape the technical direction of the platform. … using APIs, microservices, and event-driven patterns (Kafka). Manage multiple projects simultaneously. Produced well-articulated documentation. Ensure architectural governance, scalability, and security across all projects. Champion modern software design practices within Agile delivery teams. Balance new technology adoption with legacy system integration. Key Requirements of the Solutions Architect: Proven experience as a Solution Architect, ideally focusing on case More ❯
Posted:

Solutions Architect

Birmingham, West Midlands, United Kingdom
VIQU IT Recruitment
Solution Architect (Software) £75,000 per annum Remote VIQU have partnered with a leading financial services organisation who are seeking a Solution Architect to lead the design of an Azure-based platform, integrating data and processes from three separate systems. The position will play a key part in designing scalable, secure, and occasionally bespoke systems that support critical business … Working closely with development teams and senior stakeholders, the role will shape the technical direction of the organisation's core systems. Job Duties of the Solution Architect: Lead solution design across multiple core systems and applications focused on transactional, financial & case management. Work closely with senior (Head of to C-suite) to shape the technical direction of the platform. … using APIs, microservices, and event-driven patterns (Kafka). Manage multiple projects simultaneously. Produced well-articulated documentation. Ensure architectural governance, scalability, and security across all projects. Champion modern software design practices within Agile delivery teams. Balance new technology adoption with legacy system integration. Key Requirements of the Solution Architect: Proven experience as a Solution Architect, ideally focusing on case More ❯
Employment Type: Permanent
Salary: £75,000
Posted:

Senior .Net Engineer

Belfast, United Kingdom
Hybrid / WFH Options
PA Consulting
We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? Join our Digital & Data team working alongside product, design … work with the following technologies to ensure scalable, high-performance applications: .NET (including Entity Framework 6 and Core, ASP.NET MVC and MVC Core) CSS, HTML, JavaScript/Typescript REST API design Microsoft SQL Server, MySQL, Postgres AWS What you can expect Work to agile best practices and cross-functionally with multiple teams and stakeholders. You'll be using More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Engineer

Belfast, United Kingdom
Hybrid / WFH Options
PA Consulting
We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? Join our Digital & Data team working alongside product, design … work with the following technologies to ensure scalable, high-performance applications: .NET (including Entity Framework 6 and Core, ASP.NET MVC and MVC Core) CSS, HTML, JavaScript/Typescript REST API design Microsoft SQL Server, MySQL, Postgres AWS What you can expect Work to agile best practices and cross-functionally with multiple teams and stakeholders. You'll be using More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Net Engineer

bristol, south west england, united kingdom
Hybrid / WFH Options
PA Consulting
We believe in the power of ingenuity to build a positive human future. We challenge where it matters and own the outcome. We combine strategic thinking, customer-centric service design, and agile engineering practices to accelerate innovation in a tech-driven world. Why consider joining our Digital & Data community? Join our Digital & Data team working alongside product, design … work with the following technologies to ensure scalable, high-performance applications: .NET (including Entity Framework 6 and Core, ASP.NET MVC and MVC Core) CSS, HTML, JavaScript/Typescript REST API design Microsoft SQL Server, MySQL, Postgres AWS What you can expect Work to agile best practices and cross-functionally with multiple teams and stakeholders. You'll be using More ❯
Posted:

Solutions Architect

London Area, United Kingdom
Hybrid / WFH Options
Formula Recruitment
As Solutions Architect, you’ll act as a bridge between engineering, business, and clients, blending deep technical expertise with a sharp understanding of customer needs. Expect to lead solution design, drive proof-of-concepts, and collaborate directly with senior stakeholders on high-impact projects. Key skills as a Solutions Architect: Proven background in software engineering with a strong grasp … of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise in CRMs, e-commerce More ❯
Posted:

Solutions Architect

City of London, London, United Kingdom
Hybrid / WFH Options
Formula Recruitment
As Solutions Architect, you’ll act as a bridge between engineering, business, and clients, blending deep technical expertise with a sharp understanding of customer needs. Expect to lead solution design, drive proof-of-concepts, and collaborate directly with senior stakeholders on high-impact projects. Key skills as a Solutions Architect: Proven background in software engineering with a strong grasp … of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise in CRMs, e-commerce More ❯
Posted:

Solutions Architect

South East, United Kingdom
Hybrid / WFH Options
Formula Recruitment
As Solutions Architect, you'll act as a bridge between engineering, business, and clients, blending deep technical expertise with a sharp understanding of customer needs. Expect to lead solution design, drive proof-of-concepts, and collaborate directly with senior stakeholders on high-impact projects. Key skills as a Solutions Architect: Proven background in software engineering with a strong grasp … of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise in CRMs, e-commerce More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Architect

london, south east england, united kingdom
Hybrid / WFH Options
Formula Recruitment
As Solutions Architect, you’ll act as a bridge between engineering, business, and clients, blending deep technical expertise with a sharp understanding of customer needs. Expect to lead solution design, drive proof-of-concepts, and collaborate directly with senior stakeholders on high-impact projects. Key skills as a Solutions Architect: Proven background in software engineering with a strong grasp … of API design, cloud architecture, and scalable system design. Hands-on coding experience with modern technologies including Typescript (Node.js/React), AWS, Kubernetes, GraphQL, Kafka. Track record of working directly with clients on technical solutions, RFPs, and complex integrations. Ability to build prototypes and proof-of-concepts that validate ideas and showcase value. Expertise in CRMs, e-commerce More ❯
Posted:
API Design
10th Percentile
£52,500
25th Percentile
£61,250
Median
£75,000
75th Percentile
£100,000
90th Percentile
£132,500