276 to 300 of 906 API Design Jobs

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 ❯

Structure: Hybrid (London-based) ▫️ Pay Type: £700 PAYE inside IR35 per day ▫️ Paid Holidays ▫️ Tech Stack: Node.js, React, Nest.js, Python, AWS, Kafka, Terraform ▫️ Focus Areas: Microservices, CI/CD, API-first design, AI integration ▫️ Culture: Agile, automation-first, customer-centric, continuous learning As a Senior Engineer, you are accountable for the quality, speed, and reliability of our microservices … Looks Like - We achieve product-market fit through rapid iteration and customer feedback. - Our delivery velocity accelerates as our microservices architecture matures. - All features are accessible via a robust, API-first approach. - Our services are resilient, observable, and easy to maintain. What You Bring - Degree in Computer Science, Software Engineering, or equivalent experience. - Extensive hands-on experience designing, building … and deploying distributed systems using microservices and event sourcing with Node.js and React. - Solid experience of service-to-service communication, API design, and contract testing. - You are comfortable in agile environments, resolving ambiguity. - Strong focus on customer needs, with a passion for building platforms that empower clients. - Commitment to cybersecurity best practices and data privacy. - Automation-first mindset More ❯

Structure: Hybrid (London-based) ▫️ Pay Type: £700 PAYE inside IR35 per day ▫️ Paid Holidays ▫️ Tech Stack: Node.js, React, Nest.js, Python, AWS, Kafka, Terraform ▫️ Focus Areas: Microservices, CI/CD, API-first design, AI integration ▫️ Culture: Agile, automation-first, customer-centric, continuous learning As a Senior Engineer, you are accountable for the quality, speed, and reliability of our microservices … Looks Like - We achieve product-market fit through rapid iteration and customer feedback. - Our delivery velocity accelerates as our microservices architecture matures. - All features are accessible via a robust, API-first approach. - Our services are resilient, observable, and easy to maintain. What You Bring - Degree in Computer Science, Software Engineering, or equivalent experience. - Extensive hands-on experience designing, building … and deploying distributed systems using microservices and event sourcing with Node.js and React. - Solid experience of service-to-service communication, API design, and contract testing. - You are comfortable in agile environments, resolving ambiguity. - Strong focus on customer needs, with a passion for building platforms that empower clients. - Commitment to cybersecurity best practices and data privacy. - Automation-first mindset More ❯

Collaborate with designers to implement responsive and user-friendly interfaces Integrate UI components with APIs and databases Gather and refine specifications and requirements based on technical requirements or UX design Debug errors, troubleshoot issues, and perform routine performance optimizations Implement and maintain database structures and queries Ensure the security and integrity of the full stack systems Stay updated on … 5+ years of experience in full-stack development. Experience with React, Angular, or Vue.js. Familiarity with Django, Spring Boot, or Express.js. Knowledge of SQL and NoSQL databases. Understanding of API design and development. Experience with version control (e.g., Git) and cloud platforms (AWS, Azure, Google Cloud). Expertise and experience in implementing AI tools Nice to Have Proficiency … flexible hours Dedicated Focus Hours : Uninterrupted work time Competitive Salary : Adjusted based on your region Performance Bonuses : Rewarding excellence Global Projects : Work with leading brands FUTURESIGHT is a digital design studio, digital marketing agency, and co-founder of a fast-growing international digital group that associates with hundreds of experts worldwide. Our passion for great user experiences and viable More ❯

problems, and building something truly special. You will be compensated with equity and will be eligible for a bonus once we successfully raise our first round of funding. Tasks Design, develop, and maintain scalable and secure RESTful APIs using Node.js (Express/Nest.js). Integrate and optimize data storage solutions using SQL (MySQL/PostgreSQL) and MongoDB. Implement AWS … technical documentation. Understanding of authentication/authorization protocols (JWT, OAuth2). Requirements Minimum 2+ years of professional experience working with Node.js in a production environment. Solid understanding of RESTful API design principles and microservices architecture . Proficiency in SQL databases (like MySQL or PostgreSQL) and NoSQL databases (especially MongoDB). Experience in AWS services , including Lambda , S3 , API More ❯

measure and optimize their digital business card interactions. As part of this role, you’ll help migrate our backend from Flask to Django , ensuring a scalable and well-structured API design. Responsibilities Design and develop analytics and reporting tools , providing insights into user engagement and marketing performance. Build and optimize data pipelines for tracking and processing user interactions. … building analytics and marketing tools (e.g., dashboards, tracking systems, attribution models). Strong experience with Django (or Flask) and PostgreSQL . Solid understanding of data pipelines, event tracking, and API integrations . Proficiency in React, TypeScript, and frontend visualization frameworks (e.g., D3.js, Chart.js, Recharts) . Hands-on experience with AWS services (EC2, S3, CloudFormation, ECS). Experience with CI More ❯

measure and optimize their digital business card interactions. As part of this role, you’ll help migrate our backend from Flask to Django , ensuring a scalable and well-structured API design. Responsibilities Design and develop analytics and reporting tools , providing insights into user engagement and marketing performance. Build and optimize data pipelines for tracking and processing user interactions. … building analytics and marketing tools (e.g., dashboards, tracking systems, attribution models). Strong experience with Django (or Flask) and PostgreSQL . Solid understanding of data pipelines, event tracking, and API integrations . Proficiency in React, TypeScript, and frontend visualization frameworks (e.g., D3.js, Chart.js, Recharts) . Hands-on experience with AWS services (EC2, S3, CloudFormation, ECS). Experience with CI More ❯

s capacity Designing and developing new features across Wise services and exposing them on our public API. Identifying and troubleshooting technical issues within the Wise product stack, supporting the API support team as a second line when complex issues arise. You should be someone who can think holistically about the ecosystem, while also being hands-on when required. This … we’re happy to support your growth. If you have some of these skills and a passion for learning, we’d love to hear from you! Familiarity with common design patterns and architectural principles, including domain-driven design (DDD), event-driven architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies … such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (, PostgreSQL) and non-relational databases (, MongoDB, Cassandra). 6+ years in customer-facing engineering roles ideally within financial services or similar domain ( solutions engineer, IT consultant, partner engineer, integration engineer, solutions consultant). Clear communication and strong interpersonal skills. Customer centric More ❯

who wants deep technical ownership without people management responsibilities. Key Responsibilities: Build and maintain features using C#, ASP.NET Core, TypeScript, and Vue.js (or React/Angular) Own architecture and design of key systems and applications Develop scalable, secure, and maintainable solutions Collaborate closely with senior leadership on high-priority projects Mentor developers and promote engineering excellence Rapidly adapt to … changing requirements and business needs Requirements: Essential: Expert-level experience in full-stack development Strong knowledge of C#, ASP.NET Core, and modern JavaScript frameworks Proficient in SQL and API design Track record of architecting and delivering complex systems Ability to work autonomously in a fast-moving environment Desirable: Experience with Azure and Docker Familiarity with data visualisation or More ❯

take ideas from concept to production with ownership and autonomy. If you're excited about problem-solving and working on tools developers love, this role is for you. Responsibilities Design, develop, and maintain full stack applications using modern frontend and backend technologies. Build, deploy, and manage backend services using Appwrite, including databases, authentication, file storage, and functions. Develop responsive … technologies relevant to the role, especially within the Appwrite ecosystem. Requirements 3+ years of experience in full stack development. Hands-on experience with backend platforms or services, including setup, API integration, database management, and serverless/cloud functions. Proficiency in at least one modern frontend framework: React, Vue.js, or Angular. Experience with Node.js, Express, or similar backend runtimes. Familiarity … with Docker, Kubernetes, serverless environments, and container orchestration (optional but a plus). Experience with Git/GitHub and agile development workflows. Strong understanding of RESTful API design, authentication mechanisms (OAuth, JWT), and security best practices. Excellent problem-solving skills and a proactive mindset. 100% Remote Our entire company is distributed, so we take remote work seriously. If More ❯

contract R&D to advanced system development across the Client enterprise. Develop visually appealing front end website architectures, including translating designer mock-ups and wireframes into front-end code. Design user interactions on web pages. Develop and design RESTful services and APIs. Stay abreast of developments in web applications and programming languages. Strategize organizational direction on emerging technology … understanding of CSS preprocessors including Sass and LESS Strong knowledge of React and a working knowledge of Elasticsearch Experience working with languages such as Java and Python Experience in API Design and development Strong knowledge of data structures, system design and algorithms Experience with cloud based architectures and container orchestration Collaboration experience with information analytics research teams More ❯

as a transparent and supportive team, who shares our knowledge as well as our success. Let's see what we can create together.! The project and your role Responsibilities: Design, develop, and maintain robust, scalable back-end solutions using Optimizely CMS and Commerce platforms Collaborate with front-end developers, architects, designers, and stakeholders to deliver seamless digital experiences Develop … back-end development experience Solid expertise in Optimizely CMS and Commerce (minimum 2 years hands-on) Strong knowledge of .NET Core, C#, and modern development frameworks Experience with RESTful API design and integration Solid understanding of software design principles, architecture patterns, and performance optimization Familiarity with relational databases (e.g., SQL Server) and ORM tools Hands-on experience More ❯

days travel to office SC Cleared: Required Job Type: Full-Time Experience: 10+ years Job Summary : We are seeking a highly experienced and visionary Data Architect to lead the design and implementation of the data architecture for our cutting-edge Azure Databricks platform focused on economic data. This platform is crucial for our Monetary Analysis, Forecasting, and Modelling efforts. … Define the target data architecture and roadmap, considering scalability, performance, security, and cost-effectiveness. Stay abreast of industry trends and emerging technologies in data management and analytics. Data Modelling & Design: Design and implement logical and physical data models that support the analytical and modelling requirements of the platform. Define data dictionaries, data lineage, and metadata management processes. Ensure … solving skills. Experience with data visualisation tools (e.g., Tableau, Power BI). Experience with metadata management tools e.g. Purview. Knowledge of data science and machine learning concepts. Experience with API design and development. #J-18808-Ljbffr More ❯

new functionality and frameworks Collaborating with Business Analysts, Project Leads and IT team to resolve issues and ensuring solutions are viable and consistent Work with outside data sources and API ‘s Troubleshooting technical issues and bug fixing Improving application performance, ensure the performance, quality, and responsiveness of applications Conducting regular reviews of systems and generating reports on efficiencies and … related subject 1-3 years’ experience in web application development Experience with two or more programming language including but not limited to PHP, Asp.net, C++, C# , etc. Familiar with API design and development (e.g RESTful ) is a plus Familiarity with rational database – MySql, MsSql Experience with third-party libraries and web application development platform is a plus Experience More ❯

Our system is already SOC 2 Type 2 audited, and as we move into GMP environments, your work will ensure our technology is suitable for regulated settings. You will design and implement infrastructure, processes, and features to support cell therapy manufacturing, ensuring security, compliance, and reliability while maintaining speed and flexibility. What you'll do Build and maintain secure … electronic signatures, audit logs, and data traceability based on user research. Collaborate to develop a Quality Management System aligned with regulatory standards. Improve system architecture for reliability, database performance, API security, and distributed design. Mentor team members on security and quality best practices, fostering a culture of compliance and good engineering. Must-haves Experience with cloud infrastructure and DevOps … AWS preferred). Experience with security controls and compliance frameworks. Proficiency with infrastructure-as-code and GitOps. Strong fundamentals in API design, databases, networks, and distributed systems. Experience with CI/CD and automated testing. Proficiency in TypeScript and Node.js in production environments. Understanding security principles and implementing them in production. Ability to communicate complex technical concepts to More ❯

Authentication likely to be Azure B2C Develop a future-proofed content architecture that works with tomorrow's technology Role The Full Stack Developer will be responsible for the architecture, design, develop and deploy a secure, scalable, and maintainable website. Content to be provided by headless CMS with a suitable preview platform. Build CI/CD pipelines using Azure ADO … management, CI/CD pipelines, serverless architecture, Infrastructure as Code (IaC), containerisation, automated deployment strategies, microservices architecture, Azure AD, Azure B2C, cloud security, monitoring, and logging. Full stack architecture, design and development, modern web frameworks, API design, frontend and backend integration, performance optimisation, and accessibility standards. Lean and Agile methodology, automated testing, code review, technical documentation, security More ❯

teams, and ensuring that our technology aligns with business objectives. Ideal candidates will have a strong technical background, proven leadership experience, and excellent communication skills. Key Responsibilities: Lead the design and development of scalable, high-performing, and secure software architectures. Define architectural best practices, design patterns, and technology roadmaps. Identify opportunities for standardization, consolidation, and cost savings through … new technologies, tools, and frameworks. Lead and mentor the Software Architect team, working across diverse programming languages and geographical regions. Partner with product, engineering, DevOps, and security leaders to design and evolve system architectures that support current and future business goals. Oversee architectural governance, ensuring compliance with security and regulatory standards. Drive innovation and contribute to strategic planning for … technology evolution. Conduct architectural reviews, evaluate trade-offs, and ensure best practices in software design, performance, security, and reliability Serve as a trusted advisor to executive leadership on architecture-related decisions and future technology investments. Facilitate collaboration between engineering, product, and business teams to ensure alignment on architectural decisions. Ensure adherence to the Software Development Life Cycle (SDLC) and More ❯

including digital marketplace, inventory management, vehicle servicing, merchandising, and fleet ownership. Collaborative Environment: Work closely with engineering, product, technology, transformation, and business partners across the UK and Europe to design next-generation, customer-facing, software-as-a-service applications. What You'll Do: Lead and Innovate: Drive collaborative solutioning efforts to understand business needs, define target state architecture, and … and Implement: Define cloud-native architecture solutions and collaborate with Product and Engineering teams for their implementation. Guide and Mentor: Lead teams of experienced architects and delivery leaders, facilitating design discussions, driving technical design reviews, and ensuring successful delivery. Communicate and Influence: Articulate solution designs to all levels of the organization and drive successful delivery throughout discovery, development … or relevant industry experience. Technical Expertise: Strong software engineering background with hands-on experience in .NET, AWS, SQL & No-SQL databases, and event-driven systems. Proficiency in coding, REST API design, microservice implementation, and container technologies like Docker and Kubernetes. Interpersonal Skills: Excellent communication skills, both verbal and written, with the ability to work with technical and non More ❯

including digital marketplace, inventory management, vehicle servicing, merchandising, and fleet ownership. Collaborative Environment: Work closely with engineering, product, technology, transformation, and business partners across the UK and Europe to design next-generation, customer-facing, software-as-a-service applications. What You'll Do: Lead and Innovate: Drive collaborative solutioning efforts to understand business needs, define target state architecture, and … and Implement: Define cloud-native architecture solutions and collaborate with Product and Engineering teams for their implementation. Guide and Mentor: Lead teams of experienced architects and delivery leaders, facilitating design discussions, driving technical design reviews, and ensuring successful delivery. Communicate and Influence: Articulate solution designs to all levels of the organization and drive successful delivery throughout discovery, development … or relevant industry experience. Technical Expertise: Strong software engineering background with hands-on experience in .NET, AWS, SQL & No-SQL databases, and event-driven systems. Proficiency in coding, REST API design, microservice implementation, and container technologies like Docker and Kubernetes. Interpersonal Skills: Excellent communication skills, both verbal and written, with the ability to work with technical and non More ❯

to develop their skills on real-world projects alongside experienced engineers, designers, and product managers. Whether it’s developing new user-facing features, improving system performance, or contributing to API design, you’ll have the chance to make meaningful contributions from day one while learning best practices in software engineering. What You’ll Be Doing: Designing, developing, testing … Writing clean, maintainable code across both front-end and back-end systems Participating in code reviews, stand-ups, and sprint planning Collaborating with cross-functional teams including product and design Learning and applying best practices in version control, testing, and CI/CD Debugging and resolving issues, and contributing to continuous improvement Staying up to date with emerging tools More ❯

to develop their skills on real-world projects alongside experienced engineers, designers, and product managers. Whether it’s developing new user-facing features, improving system performance, or contributing to API design, you’ll have the chance to make meaningful contributions from day one while learning best practices in software engineering. What You’ll Be Doing: Designing, developing, testing … Writing clean, maintainable code across both front-end and back-end systems Participating in code reviews, stand-ups, and sprint planning Collaborating with cross-functional teams including product and design Learning and applying best practices in version control, testing, and CI/CD Debugging and resolving issues, and contributing to continuous improvement Staying up to date with emerging tools More ❯