1 to 25 of 28 API Design Jobs in the North of England

all of our development environments, as well as some of our production ones, use Docker so experience with containers and containerised applications would be valuable Software architecture - not just design patterns (but we do quite like the command pattern), but caching, asynchronous processing and more are all used to make robust, efficient systems CI/CD - we use GitLab … boon Planning - we understand that being a developer/engineer isn't just about writing code, so any experience in software planning like wireframes, specification writing, data modelling, database design, API design or similar would be hugely beneficial Legacy refactoring - not all of our projects are modern and greenfield, and being able to work on and positively More ❯

Technical Lead, you’ll work closely with our Technical Manager and development team to lead the rebuild of our platform. This is a hands-on role where you’ll design scalable architecture, manage integrations, and ensure a seamless transition from our current system. This is not a standard e-commerce role—our platform handles high-volume competition mechanics, secure … features like new game types, loyalty modules, and affiliate systems Advise directors on technical strategy and best practices Skills: Expert-level PHP (Laravel preferred) Strong SQL/MySQL database design REST API design and secure integrations Experience with cron jobs, queues, and background workers Payment gateway integration (Cashflows or similar) Infrastructure knowledge: NGINX, Apache, load balancing Cloudflare More ❯

for complex energy systems and market modelling. Key Responsibilities Contribute to the development and evolution of their analytical capability, working alongside a highly skilled team of energy market experts. Design, build and maintain robust database infrastructure to optimise internal data workflows and enable scalable access to data to consultants and to our in-house modelling software. Develop and maintain … computational infrastructure, including cloud-based solutions, to enable efficient and scalable stochastic modelling of power systems and energy assets across European and global markets. Lead the design and improvement of UI/UX components of our internal modelling tools, ensuring ease of use, accessibility, and scalability across the company. Collaborate closely with our power and gas/LNG consulting … Cloud computing & DevOps: e.g. AWS (EC2, Lambda, S3), Docker, CI/CD, serverless architecture Frontend development: JavaScript/TypeScript, React, Dash, or similar frameworks Backend APIs: FastAPI, Flask, RESTful API design UI/UX design for data tools (e.g. streamlining internal workflows and dashboards) Experience with energy systems modelling/optimisation, quantitative risk modelling, or stochastic simulation More ❯

platform is built for scale, reliability, and agility — and we're looking for a Senior .NET Developer who shares our drive to deliver engineering excellence. What You'll Do Design and implement high-performance, scalablemicroservicesusing.NET 6+ and C# Own features end-to-end: from concept, design, architecture, to deployment in production Collaborate with cross-functional teams on system … architecture, design reviews, and best practices ChampionSOLID, clean code, anddomain-driven design (DDD),etc. Work withAzure services, CI/CD pipelines, and containerised environments (Docker, Kubernetes) Help mentor and guide developers, contributing to a culture of technical excellence What You Bring 5+ years of hands-on experience in modern .NET (Core/6/7+) Deep understanding ofmicroservices … architectureand RESTful API design Strong grasp ofobject-oriented principles, SOLID, and clean architecture patterns Experience withcloud platforms(ideally Azure) Proficient in SQL and/or NoSQL databases, caching strategies, and performance tuning Passion for best practices: TDD, CI/CD, code reviews, and documentation A team-first mindset and the ability to lead small teams More ❯

on the hunt for 2 experienced Senior Machine Learning Operation Engineers to join our Data Function. You'll play a significant role within our Data Function, working on the design and implementation of machine learning model engineering frameworks, solutions, and best practices. You'll be technically proficient in machine learning and its applications; you'll demonstrate an understanding of … skills Ability to diagnose and troubleshoot problems quickly Excellent problem-solving and analytic skills Powering the business with the right tools What's involved: You'll contribute to the design and implementation of Machine Learning Engineering standards and frameworks. You'll support model development, with an emphasis on auditability, versioning, and data security. You'll implement automated data science … model testing and validation. You'll assist in the optimisation of deployed ML model scoring code in production services. You'll assist in the design and implementation of data pipelines and engineering infrastructure to embed scaled machine learning solutions. You'll use CI/CD pipelines, manage the deployment and version management of large numbers of data science models More ❯

on the hunt for 2 experienced Senior Machine Learning Operation Engineers to join our Data Function. You'll play a significant role within our Data Function, working on the design and implementation of machine learning model engineering frameworks, solutions, and best practices. You'll be technically proficient in machine learning and its applications; you'll demonstrate an understanding of … skills Ability to diagnose and troubleshoot problems quickly Excellent problem-solving and analytic skills Powering the business with the right tools What's involved: You'll contribute to the design and implementation of Machine Learning Engineering standards and frameworks. You'll support model development, with an emphasis on auditability, versioning, and data security. You'll implement automated data science … model testing and validation. You'll assist in the optimisation of deployed ML model scoring code in production services. You'll assist in the design and implementation of data pipelines and engineering infrastructure to embed scaled machine learning solutions. You'll use CI/CD pipelines, manage the deployment and version management of large numbers of data science models More ❯

styles. You've used tools like React Testing Library, Vitest, and Playwright to write reliable, maintainable tests for front-end applications. You're well-versed in software architecture and API design, and capable of delivering secure, scalable, and high-performance systems. You understand development frameworks, tooling, and best practices across the stack. You apply software principles and design More ❯

organisation, and ecosystems to make an impact that matters to our clients and to society. We're a new type of creative digital consultancy that fuses strategy, tech and design to identify where businesses need to be, then get them there. Fast. Want to help us shape the future? We're looking for experienced engineers to work with our … it mattersmost . Connect to your opportunity As a technical architect, you will play a crucial role in our agile project delivery by collaborating with cross-functional teams to design and implement flexible, scalable, and secure technical solutions. You will work closely with client stakeholders to understand requirements, provide technical leadership, and ensure that the architecture aligns with agile … shape the future. Willing and eligible to apply and obtain UK security clearance to Security Check (SC) level, if not holding an existing clearance Extensive experience in digital architecture design and implementation Strong knowledge of public sector regulations and compliance requirements Proficiency in cloud technologies and architecture (e.g. AWS, Azure, Google Cloud) Expertise in software development methodologies and best More ❯

organisation, and ecosystems to make an impact that matters to our clients and to society. We're a new type of creative digital consultancy that fuses strategy, tech and design to identify where businesses need to be, then get them there. Fast. Want to help us shape the future? We're looking for experienced engineers to work with our … it mattersmost . Connect to your opportunity As a technical architect, you will play a crucial role in our agile project delivery by collaborating with cross-functional teams to design and implement flexible, scalable, and secure technical solutions. You will work closely with client stakeholders to understand requirements, provide technical leadership, and ensure that the architecture aligns with agile … shape the future. Willing and eligible to apply and obtain UK security clearance to Security Check (SC) level, if not holding an existing clearance Extensive experience in digital architecture design and implementation Strong knowledge of public sector regulations and compliance requirements Proficiency in cloud technologies and architecture (e.g. AWS, Azure, Google Cloud) Expertise in software development methodologies and best More ❯

experience in some of these, but if not we'll help you with them AWS Certification at Associate level eg Solution Architect, Developer or DevOps Expertise in microservices and API design Docker, and container runtime platforms such as Kubernetes, EKS, ECS etc Strong understand of operational concepts on AWS, particularly monitoring and observability, FinOps UtilisingCI/CD tools More ❯

an inquisitive thinker. Someone who asks lots of questions, and is a problem solver. Responsibilities Support and maintain Laravel applications and microservices , ensuring their seamless operation across cloud environments. Design and implement scalable, resilient, and secure microservices to support critical business functions. Support and maintain existing Laravel applications and microservices during the migration phase. Monitor system availability, performance, and … . Solid knowledge of Docker and orchestration tools such as Kubernetes (EKS preferred) . Strong understanding of AWS cloud services (ECS/EKS, RDS, S3, etc.). Experience with API design, distributed systems, and high-availability architectures. Familiarity with CI/CD tools and DevOps practices. Proficient in database administration for MySQL and Redis . Desirable Familiarity with More ❯

Java development, ideally in product or platform teams. Strong knowledge of Spring Framework/Spring Boot. Hands-on experience with AWS for deployment, configuration and monitoring. Comfortable with RESTful API design and development. Solid understanding of software engineering principles and agile methodologies. Senior Java Developer | Java, Spring, AWS | Salary up to £75k | Remote (UK) | Immediate Start More ❯

clear documentation to support internal teams and stakeholders. Engage early with Security and Release teams to ensure secure, high-quality deliveries. Contribute to architecture discussions, helping select technologies and design patterns. Champion clean code practices, standards, and software engineering best practices. Proactively identify system issues or performance bottlenecks and drive solutions. What You’ll Need 5+ years of hands … and WebAPI. Strong understanding of object-oriented programming and writing maintainable, testable code. Experience building solutions with a focus on performance and security. Solid grasp of REST/JSON API design and best practices. Familiarity with SQL databases, caching strategies, messaging systems, and distributed storage (a plus). Experience with modern JavaScript frameworks like React.js. Knowledge of cloud … or virtualised environments (AWS, Azure, VMware, etc.). Understanding of enterprise system design and integration patterns. Experience working within agile development teams and contributing to a culture of continuous improvement. More ❯

in ensuring the products we deliver are fit for purpose and meet the quality and standards that our customers expect. As part of the Credit Card Platform, you'll design solutions for our Internet Banking system, enabling customers to apply for credit cards, handle balance transfers, add cardholders, and increase credit limits. You'll be responsible for the design … across the lab. What you'll do Collaborate with other architects, engineers, and technicians within and outside of the platform to create robust and scalable solution designs. Own the design of solutions throughout the entire delivery lifecycle, providing guidance and direction ensuring alignment to Product objectives. Through expert engineering and architectural skills, translate high-level business requirements into technology … practices with a history of technical leadership. Experience across the entire solutions development lifecycle from inception, through build to production. You'll appreciate and acknowledge the impact of system design decisions on scalability, resilience, and supportability. Experience of API design and architecture patterns. Experience with Public & Private Cloud Solutions, ideally Google Cloud Platform It would be great More ❯

CSS, and modern web frameworks. Experience with SQL Server or similar relational databases, and familiarity with testing frameworks. Knowledge of the Microsoft Azure platform, RESTful services, SOAP, and scalable API design. Knowledge of frameworks and libraries like Vue.js, React, JSON, XML, MVC, and jQuery will be beneficial. Exposure to Docker, Kubernetes, Helm Charts, messaging systems like Kafka or RabbitMQ. More ❯

in ensuring the products we deliver are fit for purpose and meet the quality and standards that our customers expect. As part of the Credit Card Platform, you'll design solutions for our Internet Banking system, enabling customers to apply for credit cards, handle balance transfers, add cardholders, and increase credit limits. You'll be responsible for the design … across the lab. What you'll do Collaborate with other architects, engineers, and technicians within and outside of the platform to create robust and scalable solution designs. Own the design of solutions throughout the entire delivery lifecycle, providing guidance and direction ensuring alignment to Product objectives. Through expert engineering and architectural skills, translate high-level business requirements into technology … practices with a history of technical leadership. Experience across the entire solutions development lifecycle from inception, through build to production. You'll appreciate and acknowledge the impact of system design decisions on scalability, resilience, and supportability. Experience of API design and architecture patterns. Experience with Public & Private Cloud Solutions, ideally Google Cloud Platform It would be great More ❯

Boot and other cutting-edge technologies. Although the role is fully remote, occasional visits to our Leeds office may be required for team collaboration and project updates. Key Responsibilities: Design, develop, and maintain applications using Java , Spring Boot , and modern development practices. Build and optimize APIs and microservices to ensure high performance and scalability. Collaborate with cross-functional teams … best practices. Debug, troubleshoot, and resolve technical issues. Stay up-to-date with emerging trends and technologies in software development. About You: Strong experience in Java development. Proficient in API design and development . Hands-on experience with microservices architecture . Expertise in Spring Boot framework. Familiarity with Agile methodologies and tools like Jira or Confluence. Excellent problem More ❯

days a week onsite in Manchester Inside IR35 The Role We are looking for a highly skilled Java Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. Your responsibilities: Architect and … design scalable, secure, and robust backend systems using Java and related frameworks. Define best practices and coding standards for development teams. Lead technical discussions, code reviews, and mentoring sessions. Collaborate with senior leadership (PM, Product Owners, Engineering/Clouds Lead), external customers, and stakeholders at all levels to translate complex business and technology requirements into high-level architectural designs … of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, DynamoDB, ECS, etc., to support large scale, high-throughput applications and enable real-time data processing. Rich experience in Architecture/Designing, while More ❯

days a week onsite in Manchester Inside IR35 The Role We are looking for a highly skilled Java Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. Your responsibilities: Architect and … design scalable, secure, and robust backend systems using Java and related frameworks. Define best practices and coding standards for development teams. Lead technical discussions, code reviews, and mentoring sessions. Collaborate with senior leadership (PM, Product Owners, Engineering/Clouds Lead), external customers, and stakeholders at all levels to translate complex business and technology requirements into high-level architectural designs … of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, DynamoDB, ECS, etc., to support large scale, high-throughput applications and enable real-time data processing. Rich experience in Architecture/Designing, while More ❯

days a week onsite in Manchester Inside IR35 The Role We are looking for a highly skilled Java Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. Your responsibilities: Architect and … design scalable, secure, and robust backend systems using Java and related frameworks. Define best practices and coding standards for development teams. Lead technical discussions, code reviews, and mentoring sessions. Collaborate with senior leadership (PM, Product Owners, Engineering/Clouds Lead), external customers, and stakeholders at all levels to translate complex business and technology requirements into high-level architectural designs … of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, DynamoDB, ECS, etc., to support large scale, high-throughput applications and enable real-time data processing. Rich experience in Architecture/Designing, while More ❯

My client is looking for a highly skilled Java Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. This is a hybrid role with 3 days per week required on site … and RESTful APIs. *Proficient in relational and databases (e.g., PostgreSQL, DynamoDB). *Hands-on experience with cloud platforms (AWS & GCP). *Familiarity with containerization (Docker, Kubernetes). *Knowledge of design patterns, OOP principles, and clean code practices. *Experience with Git, Jenkins, CI/CD pipelines & Terraform. *Strong problem-solving and debugging skills. *Excellent communication and stakeholder management skills. Desirable …/21 with strong background OOP concept by working on various stages of System Development Life Cycle. Tech Stack: *Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design. *N-tier, Cloud- native, Server less, Micro service, Event-Driven architecture. *TOGAF 9, Agile, Incremental, Waterfall, TDD, DDD, BDD. LA International is a HMG approved ICT Recruitment and More ❯

Proficiency in Lombok JUnit Swagger and modern web architecture Experience designing and developing reusable frameworks Strong understanding of microservices distributed systems and cloudnative development Handson experience with Kafka and API design RESTGraphQL Familiarity with CICD tools and containerization technologies More ❯

a difference. We have a great opportunity for a Java Technical Architect to join the team. We are looking for a highly skilled Java Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and … robust architectures. Key Responsibilities: Architect and design scalable, secure, and robust backend systems using Java and related frameworks. Define best practices and coding standards for development teams. Lead technical discussions, code reviews, and mentoring sessions. Collaborate with senior leadership (PM, Product Owners, Engineering/Clouds Lead), external customers, and stakeholders at all levels to translate complex business and technology … of various architectures, including n-tier, micro services-based applications and event-driven architectures on both on-premises and AWS cloud, leveraging various PaaS/SaaS services including Lambda, API Gateway, Step Functions, Event Bridge, Aurora, DynamoDB, ECS, etc., to support large scale, high-throughput applications and enable real-time data processing. Rich experience in Architecture/Designing, while More ❯

Strong experience with native PHP and MySQL . Understanding of CSS3, SCSS and Tailwind?CSS. Excellent communication skills and a collaborative, enthusiastic mindset. Desirable Skills: Experience with RESTful APIs design and integration. Knowledge of CI/CD pipelines , automated testing , or cloud services (e.g. AWS). If this role is of interest, then please get in touch with Julia More ❯

integrated platforms that deliver operational clarity and real commercial outcomes. As they expand to support increasingly technical projects, they're now looking for a Solutions Architect to lead the design and architecture of integrated systems across CRM and broader technology stacks. A GLIMPSE AT THE BENEFITS/CULTURE: Private medical plans and dedicated wellbeing services Hybrid working model … someone who excels at translating ambiguity into actionable technical plans. KEY SKILLS/EXPERIENCE: Proven experience in a Solutions Architect or equivalent role Strong background in post-sale system design and integration architecture Experience with CRM platforms (HubSpot, Salesforce, etc.), ERP, or operational systems Expertise in data modelling, APIs, middleware orchestration, and integration governance Skilled in producing technical artefacts … to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Solutions Architect/System Integration/CRM Replatforming/API Design/Data Modelling/HubSpot/SaaS/Change Management/Hybrid Working/Chester More ❯