251 to 275 of 904 Permanent API Design Jobs

architectural decisions that balance technical trade-offs with user value. In this Lead role, you’ll take technical ownership over core parts of our web platform, guiding implementation from design to deployment, and collaborating across engineering, product, and design to deliver impactful features. You’ll help set technical direction, ensure code quality, and act as a pillar of … SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB). Proven frontend experience developing robust SPAs, ideally with frameworks like React. Deep understanding of engineering best practices (e.g., separation of concerns, API design, testability, CI/CD). Comfortable working in Agile, collaborative environments, owning outcomes rather than tasks. Strong communication skills—able to align technical decisions with product goals More ❯

architectural decisions that balance technical trade-offs with user value. In this Lead role, you’ll take technical ownership over core parts of our web platform, guiding implementation from design to deployment, and collaborating across engineering, product, and design to deliver impactful features. You’ll help set technical direction, ensure code quality, and act as a pillar of … SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB). Proven frontend experience developing robust SPAs, ideally with frameworks like React. Deep understanding of engineering best practices (e.g., separation of concerns, API design, testability, CI/CD). Comfortable working in Agile, collaborative environments, owning outcomes rather than tasks. Strong communication skills—able to align technical decisions with product goals More ❯

and stay up-to-date with emerging trends in back-end development. Key Responsibilities: Develop and maintain robust, scalable, and high-performance back-end services using Node.js and Express.js. Design and implement RESTful APIs and microservices, ensuring security, efficiency, and maintainability. Collaborate with front-end developers to provide seamless integration between back-end and front-end components. Conduct thorough … or GitLab CI. Work with DevOps to manage containerised environments using Docker. About You: Extensive experience with Node.js, Express.js, and back-end development best practices. Strong knowledge of RESTful API design and microservices architecture. Proficiency in working with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. Experience with CI/CD pipelines and DevOps practices, including automated testing More ❯

role combines deep software engineering leadership with a strong understanding of regulated environments, particularly as we evolve towards Software as a Medical Device (SaMD). You will oversee the design, architecture, and delivery of a highly scalable, secure, and compliant cloud-based solution that empowers researchers, clinicians, and bioinformaticians. This is a mission-critical leadership position that will influence … needs into scalable features Navigate a dynamic environment, balancing short-term priorities with long-term vision Manage trade-offs between scope, quality, and timelines Cross-Functional Collaboration Align engineering, design, and product teams on shared goals Communicate effectively with stakeholders to gather input and share progress Ensure timely, high-quality feature delivery Technical Oversight Maintain high standards in architecture … Azure, GCP, Oracle), Kubernetes and IaC with Terraform Strong grasp of data privacy and security frameworks, including role-based access control (RBAC), encryption at rest and in transit, secure API design, and identity/auth protocols (e.g., OAuth2, OpenID) Outstanding communication and collaboration skills, capable of influencing stakeholders, external partners, and non-technical contributors Understanding of the software More ❯

our agentic AI products. This role involves bringing our agentic workers to a diverse user base across the procurement and supply chain industry. You’ll own everything from infrastructure design and automated delivery pipelines to observability and security, ensuring our systems are resilient, scalable, and cost-efficient for the world’s largest supply-chain organisations. Tasks In this role … you will: Design and evolve our multi-cloud platform (Azure and AWS) using infrastructure-as-code and GitOps best practices. Build and maintain high-throughput Kubernetes clusters (EKS) with secure networking, service mesh, policy enforcement, and self-service tooling for application teams. Craft robust CI/CD pipelines that deliver containerised services from commit to production with automated testing … in Python, Go, or Java with clean code principles, test coverage, and performance awareness. Service Architecture : experience building and operating high-availability, distributed systems (microservices and event-driven). API Design : REST and gRPC, with versioning, throttling, auth, and schema validation (OpenAPI, Pydantic, Protobuf). Datastores : deep knowledge of RDBMS (PostgreSQL/MySQL), NoSQL (DynamoDB, Redis, Cassandra), and More ❯

with cross-functional teams to build a Quality Management System that aligns with regulatory requirements whilst preserving our engineering culture. Develop core architecture improvements for system reliability, database performance, API security, and distributed system design. Mentor the team on security and quality best practices, helping to build a culture where compliance is a natural outcome of good engineering. Must … with cloud infrastructure and DevOps practices (AWS preferred). Experience implementing and maintaining security controls and compliance frameworks. Proficiency with infrastructure-as-code and GitOps methodologies. Strong fundamentals in API design, databases, networks, and distributed systems. Experience with CI/CD pipelines and automated testing. TypeScript and Node.js proficiency in production environments. Understanding of security principles and experience More ❯

Expertise in Java and experience with tools like IntelliJ IDEA, Kubernetes, Docker, and AWS. Ability to learn new technologies quickly and adapt to different programming stacks. Experience with SQL, API design and JavaScript is beneficial, but not required. Strong collaboration and communication skills, with a focus on problem-solving as a team. Desire to continually grow and evolve More ❯

of best in-class security solutions Requirements 5+ years as a Node.js/JavaScript developer, ideally, with background in monitoring & supporting large scale production systems Deep understanding of REST API design and WebSockets Familiar with cloud services such as AWS and GCP Experience in large-scaled distributed environments Good command of Linux environment Clear, logical communicator in English 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 Utilising CI/CD More ❯

large complex code bases Proven experience as a full stack developer including extensive knowledge and experience working in Java or C# and React/Typescript Basic UI/UX design knowledge REST APIs design and implementation Git Code reviews/Good coding practices SQL Ability to work independently Strong communication and interpersonal skills Desire to collaborate and to More ❯

Intelligence 1/3 of Intrapreneurship And Bonus ingredient : Some passionate colleagues! What is a Functional/Technical Analyst at Cream? As a Functional/Technical Analyst specialized in API Integration, you will play a key role in designing, implementing, and maintaining robust API solutions. You will serve as a bridge between business needs and technical solutions, ensuring … seamless communication and integration of systems. Your tasks: Requirement Analysis : Collaborating with business stakeholders to understand and define functional requirements. API Design and Development : Creating API specifications, designing integration flows, and ensuring alignment with system architecture. Documentation : Preparing comprehensive documentation for APIs, including use cases, technical guides, and user manuals. Cross-functional Collaboration : Working closely with developers … project managers, and business teams to ensure successful API delivery. Performance Monitoring : Analyzing and optimizing API performance for scalability and efficiency. Integration Testing : Conducting thorough testing of APIs to validate performance, reliability, and security. How do we imagine our future colleague? Experience : You have at least 2 years of experience as a Functional or Technical Analyst with a More ❯

Glasgow) Sector: Public IR35 Status: Inside Interview Process: 1 Stage via Microsoft Teams Required Architect with hands-on expertise in Java, MuleSoft, Apache Camel, and RabbitMQ to lead the design and implementation of scalable integration systems. Requires strong experience with event-driven architecture and enterprise integration principles, as well as the ability to deliver secure, robust, and performant messaging … solutions within a DevOps-enabled environment. Key Responsibilities Design scalable integration solutions using MuleSoft, RabbitMQ, and Apache Camel. Define reusable integration patterns and frameworks using enterprise models. Lead API and messaging designs aligned with REST, SOAP, and AMQP standards. Implement asynchronous architectures including pub-sub and event-driven flows. Develop MuleSoft flows and processors with Anypoint Studio and … security integration (encryption, authentication, access control). Solid understanding of microservices, distributed systems, and cloud-native architecture. Desirable Skills MuleSoft: Proficient in Mule 4, Anypoint Studio, Runtime Manager, Exchange, API design, message processors, DataWeave, and integration flows; solid grasp of API policies, error handling, and transaction scopes. RabbitMQ: Skilled in AMQP, exchanges (direct, topic, fanout), queues, bindings More ❯

PHP Full-Stack Developer (Mid-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. Hybrid | Flexible working policy with a collaborative office culture. Offer | £40,000 - £50,000. Benefits | Private medical, dental … part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernising 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 it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles, enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯

PHP Full-Stack Developer (Mid-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. Hybrid | Flexible working policy with a collaborative office culture. Offer | £40,000 - £50,000. Benefits | Private medical, dental … part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernising 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 it also offers the opportunity … high-performing, scalable, and secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills. You have a solid grasp of SOLID design principles, enjoy working in a fast-paced environment, and have experience building robust, well-optimised APIs. Bonus points if you have worked with DevOps practices or modern tools like More ❯

a key role in shaping AI enablement and automation within a fast-paced, tech-forward environment. Key Responsibilities: Collaborate with stakeholders, engineers, and product managers to define architectural solutions. Design scalable, secure backend systems using microservices and Google Cloud. Ensure seamless integration of APIs and backend services into Unity-based game environments. Provide architectural oversight on AI enablement and … automation initiatives. Create and maintain architecture diagrams, API specs (OpenAPI 3.0), and data flows. Promote best practices in system design, performance, and automation. Identify risks and propose mitigation strategies during solution planning. Stay ahead of emerging cloud and AI technologies to drive innovation. Requirements: 5+ years of experience as a Solution Architect in cloud-native environments. Proven experience … with backend systems, microservices, and cross-functional technical projects. Strong knowledge of Google Cloud Platform (or similar), messaging systems (Kafka, Pub/Sub), and event-driven architecture. Proficient in API design and documentation using OpenAPI 3.0. Skilled in backend and AI-relevant languages (e.g., Python, Java, C#, JavaScript). Experience working within Agile methodologies (Scrum/Kanban). More ❯

strategy. Technical Evangelism: Serve as a champion for technology, architecture, and best practices in product development. Hands-on Development: Actively contribute to product development using the Microsoft tech stack. Design & Implementation: Participate in the design and implementation of highly available, cloud-grade production services. Strategic Partnership: Collaborate with Product Management on solution feasibility and effort estimation. Technology Adoption … and framework improvements based on trends and best practices. What You'll Bring: Experience: 5+ years in engineering leadership roles for product development, with 9+ years in software application design, development, and maintenance within a product environment. Microsoft Tech Stack Expertise: Expert proficiency in .NET, C#, ASP.NET MVC, and enterprise-scale Microsoft SQL Server (design, development, performance tuning … DevOps automation. Proficiency with Microsoft Visual Studio IDE and Azure DevOps. Architecture & Scalability: Working experience with scaled software architecture and domain concepts like performance, redundancy, failover, and vertical scaling. API Expertise: Proficient in API design, development, and production operations. Problem-Solving & Communication: Strong analytical, problem-solving, and communication skills, with the ability to translate technical concepts and More ❯

December 2025 (Possibility of extension) Industry: Power and Gas Role Overview: Work directly with subject matter experts, product owners, designers, technical leads, and other architects to re-architect and design the next generation Gas and Power trading platform with modern technologies, aligned with business and technology strategies. Deep knowledge of energy trading and risk management processes across front, middle … and back-office functionalities, with an emphasis on physical trading. Responsibilities: Design the architecture of modern, bespoke Energy trading systems, including documenting and agreeing on key design decisions and trade-offs with stakeholders. Gather requirements, analyze, and design across functional, non-functional, technical, and operational domains. Serve as a thought leader and key advisor in design … and Dependency graphs. Experience with data modeling for transactional and analytic use cases, real-time reporting, data migration, and reconciliation. Familiarity with MongoDB. Hands-on expertise in architecture and design patterns, including AWS, C#/Java, Docker, OpenShift, Kubernetes, React, and Infrastructure as Code (Terraform). Experience with integration techniques, real-time messaging, API design, and batch More ❯

an intelligence that feels, interprets, and eventually responds to the material world. Apoha sits at the cutting edge of biophysics, ML, and materials science, producing unique datasets to help design and formulate materials. At Apoha, software engineering isn’t just about writing code — it’s about creating the foundation for a breakthrough technology to thrive. As an engineer here … as they are by collaborating with scientists to bring a fundamentally new technology to life. What You’ll Do Own and drive major parts of our software stack — from design and architecture to implementing scalable solutions across the tech stack. Lead the design and implementation of a novel data analysis platform that brings together cutting-edge analytics, ML … is absolutely essential — you care deeply about both the what and the how. Proven expertise in at least a few of the following areas: designing scalable services, cloud infrastructure, API design and implementation, database design, and front-end frameworks. Ability to design and implement features end-to-end, with an eye for shipping fast, iterating often More ❯

tools like TeamCity and source control platforms such as GIT. Cloud and Testing: Enhance your skills with Cloudflare, AWS, Terraform, and testing frameworks like Xunit, Nunit, Jest, and Jasmine. API Design: Design, develop, and consume RESTful APIs. Who You Are: Experienced Professional: With 5+ years as a Full Stack Developer, you have a track record of working … apply security best practices to ensure the safety and integrity of our applications. Mandatory Skills: SQL Server and MySQL CI/CD tools (TeamCity) Source control platforms (GIT) RESTful API design and consumption Testing frameworks (Xunit, Nunit, Jest, Jasmine) Logging tools (Elasticsearch, Rollbar, Sentry) Nice to Have: Join us and be part of a team that is shaping More ❯

in London. The Wise Platform team works with top tier global financial institutions and major tech companies to offer Wise products and services directly to their customers. Through our API , we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves Wise Platform by increasing the capabilities of our public … to reduce manual tasks to improve turnaround times. Designing and developing innovative new features that expand the functionality of Wise's services and exposing these features through the public API, enabling seamless integration with partner systems to empower them to leverage the full potential of Wise's platform. Diagnosing and resolving complex technical issues within the Wise product stack … providing second-line support to the API support team and ensuring timely resolution of partner inquiries and technical challenges such as sharing in-depth knowledge and technical information of the platform and debugging. Serving as the technical lead for complex partnerships and acting as a intermediary between Wise's engineering teams and the partner's technical teams to facilitate More ❯

Spire’s Space Services API team develops the interfaces used by our customers to design, test, deploy and operate space-based software applications. In some cases, these applications run on standard Spire hardware, and in some cases on hosted payloads custom-designed by us or our customers. As a senior software engineer on the Space Services APIs team … rest of Spire’s 200+ person engineering organization including SREs, security engineers, and infrastructure tooling. Responsibilities Contribute to the development and maturation of Spire’s existing payload tasking systems: design, implementation and deployment Develop new space-side applications to orchestrate new customer payloads and leverage new services Play a critical role in the execution of customer missions, through design … drive operational excellence Take an active role in reviewing the work of other team members Basic qualifications/experience Solid understanding of software practices such as version control, testing, design, debugging and build systems 5+ years experience in professional software development Designing and implementing robust and scalable APIs Proficiency in programming languages, including both interpreted and compiled Cloud/ More ❯

ll play a central role in shaping a new product with a strong focus on AI Agents and machine learning systems. This position offers a unique opportunity to help design, build, and scale a product from the ground up, influencing architectural decisions, AI integrations, and overall user experience. You'll be a key contributor in a fast-paced, innovation … on AI-powered solutions in cybersecurity. What You’ll Do AI Agent Development : Contribute to the creation and scaling of complex AI agents addressing major cybersecurity challenges. System Architecture : Design and implement backend systems to support AI-driven workloads, ensuring scalability, maintainability, and security. End-to-End Ownership : Own the full development lifecycle, from planning and design to … deployment and ongoing support. Cross-Functional Collaboration : Work closely with other engineers and cross-functional stakeholders (e.g., product and design) to integrate new features smoothly. Performance Optimization : Monitor, evaluate, and improve application performance, scalability, and security. Code Quality & Standards : Establish and uphold coding standards, documentation, and best practices. Rapid Prototyping : Prototype new features quickly, iterating based on user and More ❯

ll play a central role in shaping a new product with a strong focus on AI Agents and machine learning systems. This position offers a unique opportunity to help design, build, and scale a product from the ground up, influencing architectural decisions, AI integrations, and overall user experience. You'll be a key contributor in a fast-paced, innovation … on AI-powered solutions in cybersecurity. What You’ll Do AI Agent Development : Contribute to the creation and scaling of complex AI agents addressing major cybersecurity challenges. System Architecture : Design and implement backend systems to support AI-driven workloads, ensuring scalability, maintainability, and security. End-to-End Ownership : Own the full development lifecycle, from planning and design to … deployment and ongoing support. Cross-Functional Collaboration : Work closely with other engineers and cross-functional stakeholders (e.g., product and design) to integrate new features smoothly. Performance Optimization : Monitor, evaluate, and improve application performance, scalability, and security. Code Quality & Standards : Establish and uphold coding standards, documentation, and best practices. Rapid Prototyping : Prototype new features quickly, iterating based on user and More ❯

ll play a central role in shaping a new product with a strong focus on AI Agents and machine learning systems. This position offers a unique opportunity to help design, build, and scale a product from the ground up, influencing architectural decisions, AI integrations, and overall user experience. You'll be a key contributor in a fast-paced, innovation … on AI-powered solutions in cybersecurity. What You’ll Do AI Agent Development : Contribute to the creation and scaling of complex AI agents addressing major cybersecurity challenges. System Architecture : Design and implement backend systems to support AI-driven workloads, ensuring scalability, maintainability, and security. End-to-End Ownership : Own the full development lifecycle, from planning and design to … deployment and ongoing support. Cross-Functional Collaboration : Work closely with other engineers and cross-functional stakeholders (e.g., product and design) to integrate new features smoothly. Performance Optimization : Monitor, evaluate, and improve application performance, scalability, and security. Code Quality & Standards : Establish and uphold coding standards, documentation, and best practices. Rapid Prototyping : Prototype new features quickly, iterating based on user and More ❯

ll play a central role in shaping a new product with a strong focus on AI Agents and machine learning systems. This position offers a unique opportunity to help design, build, and scale a product from the ground up, influencing architectural decisions, AI integrations, and overall user experience. You'll be a key contributor in a fast-paced, innovation … on AI-powered solutions in cybersecurity. What You’ll Do AI Agent Development : Contribute to the creation and scaling of complex AI agents addressing major cybersecurity challenges. System Architecture : Design and implement backend systems to support AI-driven workloads, ensuring scalability, maintainability, and security. End-to-End Ownership : Own the full development lifecycle, from planning and design to … deployment and ongoing support. Cross-Functional Collaboration : Work closely with other engineers and cross-functional stakeholders (e.g., product and design) to integrate new features smoothly. Performance Optimization : Monitor, evaluate, and improve application performance, scalability, and security. Code Quality & Standards : Establish and uphold coding standards, documentation, and best practices. Rapid Prototyping : Prototype new features quickly, iterating based on user and More ❯