23 of 23 Permanent API Design Jobs in Leeds

performance, and team growth. Someone who is a technologist at heart and regrets not coding as much but can still (if needed) review PRs, design solution architectures, or contribute to system designs (Approximately 20% of the role) HOWEVER, understands that their greatest impact comes from enabling others to thrive … and secure Play a hands-on role in development, especially in Java (ideally with Quarkus/GraalVM, or SpringBoot as an alternative) Oversee backend API design and integration, including messaging platforms such as Pub/Sub Define and track technical KPIs (e.g. system availability, latency, error rates) Collaborate … for Quarkus or GraalVM; SpringBoot experience also considered Familiarity with messaging systems such as Pub/Sub, Kafka, or RabbitMQ Strong understanding of REST API design, CI/CD practices, and Agile methodologies Experience in fintech, payments, or banking domains Who this suits: Someone who is technically strong More ❯

years of professional Rust software development experience Strong understanding of Rust, memory management, STL containers, and algorithms Good knowledge of OOAD, architecture and design patterns, API design principles Hands-on experience with low-latency, multithreading, including race conditions, deadlocks, etc. Experience with PostgreSQL, particularly in handling large … creation Experience with containers (Docker, Kubernetes) Responsibilities: Write clear, understandable and highly optimized Rust code according to best practices Develop new features including the design of interfaces and implementation to support reusability, testability, modularity in accordance with the agreed plans and quality standards Enhance existing features and improve the … estimates and time/performance/quality trade-offs to management and other teams Participate in technical discussions to find the right architecture/design solution Contribute to architectural planning and refactoring Perform code reviews Defect analysis and fixing Report the status, results and roadblocks Conduct an interviews Collaborate More ❯

deliver high-impact features in a fast-moving, innovation-driven environment. 🛠 Responsibilities Develop and maintain full-stack applications using Node.js , TypeScript , NestJS , and React Design and implement scalable serverless backends with AWS Lambda , API Gateway , DynamoDB , and Cognito Build responsive, high-quality frontend components and features using React.js … 3+ years of professional experience as a Full Stack Developer Strong experience with: Node.js , TypeScript , NestJS React.js and modern frontend frameworks AWS services : Lambda, API Gateway, DynamoDB, Cognito GraphQL or REST API design Hands-on experience with Serverless Framework for deployment and infrastructure Familiarity with Agile methodologies More ❯

commercial consulting. 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 … 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 … Lambda, S3), Docker, CI/CD, serverless architecture Frontend development: e.g. 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 More ❯

Application Security Specialist Our client is looking to hire mid-level API & Application Security Specialist to join them on a 6-month initial contract, to work remotely with some occasional trips to the London site. This role will be operating INSIDE IR35 Key Skills Required: Deep knowledge of OWASP … API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM … or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders If interested in this role, please apply today More ❯

to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical … and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software engineering best practices (e.g., SOLID principles, domain-driven design … systems using APIs, middleware, and ETL pipelines, including Salesforce, Power Platform (PowerApps, PowerAutomate, LogicApps), SharePoint, and custom web applications. Lead optimization and governance around API design (RESTful services, rate limiting, versioning, monitoring, etc.). Ensure high data consistency, operational integrity, and well-documented interface contracts between services. Software More ❯

is ideal for someone who thrives in a hands-on technical leadership position and is passionate about building impactful solutions. Key Responsibilities: Lead the design, development, and deployment of scalable, robust, and secure backend systems using Python. Collaborate with cross-functional teams to define technical requirements and drive product … Skills and Qualifications: 5+ years of professional experience in Python development. Strong experience with Django, Flask, or similar Python web frameworks. Proven ability to design and implement scalable, cloud-based solutions (e.g., AWS, Azure, or GCP). Proficiency in relational and non-relational databases (e.g., PostgreSQL, MongoDB). Hands … on experience with RESTful API design and implementation. Solid understanding of software architecture, design patterns, and best practices. Experience with CI/CD pipelines and DevOps practices. Strong problem-solving skills and a proactive attitude. Excellent communication and leadership abilities. What We Offer: Opportunity to make a More ❯

Location – Leeds (once a week) About the Company: Our client is a purpose-driven digital services consultancy that combines human-centred design, data-informed insight, and software engineering to tackle complex challenges. They work closely with clients—including those in government, healthcare, and beyond—to design and deliver … Your responsibilities will include: • Leading the technical delivery of projects, offering hands-on coding expertise and architectural insight • Collaborating with cross-functional teams to design solutions that meet user needs and business goals • Building, testing, and deploying cloud-native applications using modern frameworks and serverless infrastructure • Supporting and mentoring … with AWS services, particularly in serverless environments • Solid understanding of web technologies including JavaScript, HTML, CSS, and libraries like React or Node.js • Knowledge of API design, containerisation (Docker/Kubernetes), and microservices architecture • Practical experience with infrastructure-as-code tools (Terraform, CloudFormation) and CI/CD processes • A More ❯

will be circa £650 per day, inside IR35 Key Skills Required: Strong Security and Development background, in SDLC-focused roles Deep knowledge of OWASP API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback … controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM, or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders More ❯

Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK/Remote - You must be eligible to work in UK 💻 Hybrid | Flexible working … collaborative development team, you’ll play a pivotal role in enhancing and modernizing the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but … PHP developer with strong Laravel skills and the flexibility to work with C#/.Net when needed. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimized APIs. Bonus points if you have worked with DevOps More ❯

and containerized environments (Docker, Kubernetes). Proficiency with Postgr eS QL, R edis, and message queue systems (e.g., RabbitMQ, Kafka). Deep understanding of API design and best practices (REST, gRPC). Experience with CI/CD pipelines, monitoring tools (e.g., Prometheus, Grafana), and logging systems (e.g., ELK More ❯

Working with Docker, containers, and Linux infrastructure to streamline deployments. Leading problem-solving sessions, code reviews, and architectural planning for exciting ecommerce innovations. Managing API integrations and optimising database performance. What You’ll Need Strong experience with PHP 8 and Laravel 10+ Proficiency with JavaScript frameworks (Vue.js, Alpine.js) Docker … containers, and Linux expertise Solid experience with Git and MySQL RESTful API design and integration knowledge Bonus Skills Familiarity with queueing mechanisms and distributed task processing Experience integrating payment systems (Stripe, PayPal, etc.) CI/CD and unit testing best practices Agile/Scrum background Why Join? Generous More ❯

to join an expanding software function sitting on a team of Architects. The Software Architect’s role within the business is to lead the design and development of the platforms which are heavily reliant on API design and implementation. The Software Architecture Team is strategic in nature … solutions from critical thinking. Tech Stack Over 10 years’ experience in Software Architecture with enterprise experience Architecture of Development experience which encompasses SaaS or API based platforms .NET, Java or OOP background HTML, CSS, JavaScript Database design, caching, systems integration Benefits Package Remote Annual bonus £500 home office More ❯

of applications into live service and support. Your skills and experience Experience with some of the following would be desirable: Java (Spring Boot), software design patterns, DDD, CQRS, Event Sourcing Postgres, Liquibase for database versioning Containerisation with Docker CI/CD pipelines (Jenkins, Gradle) API design with More ❯

Laravel and bespoke MVC frameworks • A solid understanding of automated testing practices. • Expertise in performant MySQL and relational database design. • Hands-on experience with API design and development. • Be familiar with Agile methodologies • A great communicator who can hit the ground running with new projects • A positive attitude More ❯

level and low-level designs for real-time and batch systems • Ensure solutions are secure, scalable, and meet regulatory requirements • Guide integration patterns and API design Key Skills & Experience: • Strong experience in the payments domain – card schemes, processing, or gateways • Ideally familiar with Click-to-Pay and tokenisation More ❯

Engineers towards technical excellence, whilst fostering a positive, hands on and collaborative environment. Deep knowledge/expertise of backend development & Microservices: Solid understanding of API design, experienced in designing, developing, distributed scalable and resilient systems. Core Backed Technologies: Highly experienced in developing Java code, along with deep expertise More ❯

on Rails Experience with MySQL and PostgreSQL A firm grasp and understanding of test-driven development fundamentals (particularly RSpec) Experience with service based architectures, API design, and deployment at scale Strong problem-solving skills, with the ability to break down complex tasks and develop structured solutions Experience making More ❯

skills Solid grasp of accessibility and performance best practices Experience working in collaborative teams (TDD, paired programming, CI/CD) Comfortable with relational databases, API design, and CMS integrations If you’re interested in this role then apply now or email kaiyashah@digitalgurus.co.uk More ❯

Senior Python Developers to join their expanding engineering team. Focused on delivering impactful, human-centred digital solutions, the organisation combines data-driven insights, service design expertise, and cutting-edge software engineering to create meaningful change for clients across both the public and private sectors. Operating with a truly agile … user behaviour, ensuring they meet genuine needs while driving organisational success. Senior Python Developers play a critical role within multi-disciplinary teams, supporting the design, development, and maintenance of user-centred digital services that deliver measurable value. As a senior technical consultant, the role offers the opportunity to lead … matter expert (SME), ensuring high-quality, user-centred software development aligned with business needs and best practices. Collaborate closely with cross-functional teams to design and implement creative, effective solutions. Architect and manage development and deployment pipelines, proactively addressing potential bottlenecks. Communicate technical ideas and project updates clearly and More ❯

is seekingSenior Python Developersto join their expanding engineering team. Focused on delivering impactful, human-centred digital solutions, the organisation combines data-driven insights, service design expertise, and cutting-edge software engineering to create meaningful change for clients across both the public and private sectors. Operating with a truly agile … user behaviour, ensuring they meet genuine needs while driving organisational success. Senior Python Developers play a critical role within multi-disciplinary teams, supporting the design, development, and maintenance of user-centred digital services that deliver measurable value. As a senior technical consultant, the role offers the opportunity to lead … matter expert (SME), ensuring high-quality, user-centred software development aligned with business needs and best practices. Collaborate closely with cross-functional teams to design and implement creative, effective solutions. Architect and manage development and deployment pipelines, proactively addressing potential bottlenecks. Communicate technical ideas and project updates clearly and More ❯

in Adobe Commerce Cloud, PHP, MySQL, and web services integration (REST/SOAP). Strong knowledge of frontend (HTML, CSS, JavaScript frameworks) and backend (API design, server-side architecture) best practices. Key Responsibilities As our solutions architect, you will be accountable for the development, maintenance and execution of … architectural reviews and propose technical solutions for ongoing digital transformation initiatives. Working closely with the logistics, business systems and development teams to ensure that design options are effectively evaluated and that robust recommendations are made. Proven ability to react to issues with legacy systems and suggest innovative approaches to More ❯

is looking for a Senior Cloud Security Engineer to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to design scalable, secure cloud infrastructure and embed best practices from day one. You’ll be joining at a pivotal time as the company invests heavily … to influence how secure, scalable systems are built in a fast-moving, AWS native environment. Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a … subject matter expert on cloud security within engineering, providing guidance during design reviews and threat modelling sessions. Harden Kubernetes environments and enforce secure cluster configurations. Secure and manage infrastructure using Infrastructure-as-Code, with a focus on Terraform. Requirements: 5+ years of hands-on experience in cloud security, with More ❯