1 to 25 of 153 API Design Jobs

Promote and practice best development approaches such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD) to deliver high-quality, maintainable code. Apply design patterns to address complex problems, ensuring code is efficient, readable, and reusable. Adhere to IT and Information Security policies and procedures in all engineering … Your Profile Essential skills/knowledge/experience: Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design Understanding of API design for mobile application with event driven architecture Strong analysis and problem-solving skills Knowledge ...

office) About the Role We're looking for a Senior Application Engineer with strong backend and cloud development expertise to help design and build scalable, secure services that power Internal Platforms. What You'll Do Design and build scalable backend services and APIs supporting mobile and event-driven … requirements through deployment and maintenance Provide technical guidance and mentorship to engineers within the team Promote best practices such as TDD, BDD, and secure API design Collaborate with technical leads, IT teams, and business stakeholders to deliver high-quality solutions Apply design patterns and engineering best practices ...

someone who enjoys building systems properly and seeing them operate in the real world. You’ll own the backend platform end-to-end - from API design and infrastructure to fintech integrations, operational tooling and production systems - and play a key role in shaping how the product evolves. This … including: Rapid issue resolution Operational workflows Compliance processes Data analysis and reporting What You’ll Be Doing: Platform & Backend Own and evolve the backend API (Node.js/TypeScript/Postgres) Design scalable, secure, and reliable API-first systems Build and operate production-grade APIs at scale Work ...

London office About The Client: Our client is a rapidly growing Infrastructure-as-a-Service (IaaS) provider driving digital transformation. Key Responsibilities: Architecture & System Design Design and evolve scalable backend services and product components. Make sound architectural decisions across APIs, services, and data layers. Lead delivery from design … high coding standards and test coverage. Contribute to code reviews and documentation. Mentor engineers and support technical growth. Collaboration Work closely with Product and Design to deliver scalable solutions. Communicate technical trade-offs and manage cross-team dependencies. Essential skills and requirements: Strong experience building production backend systems ...

FastAPI). A product-first mindset is essential, ensuring the entire stack delivers reliable, high-quality experiences. Key Responsibilities End-to-End Feature Development Design, develop, and deploy features across the full technology stack Translate product requirements into scalable technical solutions Build systems from database schema to backend services … using React and Next.js Optimize usability, performance, and responsiveness Implement polished UI elements including animations, accessibility improvements, and micro-interactions Collaborate with product and design stakeholders to deliver intuitive user journeys Backend Development & API Design Design and implement efficient backend services in Python Build scalable APIs ...

Hybrid working model Global Organisation Your Responsibility Lead a team of engineers in the design, development, and delivery of scalable, high-quality digital applications and user experiences. Act as technical lead for an agile squad, driving collaboration within the team and across multiple engineering groups. Provide hands-on development … applications and backend services. Translate complex business requirements into efficient, scalable, and innovative technical solutions. Guide architectural decisions and ensure alignment with modern application design patterns and best practices. Mentor and support developers, fostering a strong learning culture and continuous improvement. Collaborate closely with cross-functional roles including product ...

well as working with a high degree of autonomy. Who we are N26 has reimagined banking for today's digital world. Technology and design empower everything we do and it's how we are building the global banking platform the world loves to use. We've eliminated physical branches … tech scope: work hand in hand with PM and EM to manage product technical roadmaps and dependencies to minimise technical debt. Architect & Build: Design, develop, and maintain high-availability, high-performance web applications that serve as the backbone of our internal operations. Foster tech-solid delivery: Drive the team ...

well as working with a high degree of autonomy. Who we are N26 has reimagined banking for today's digital world. Technology and design empower everything we do and it's how we are building the global banking platform the world loves to use. We've eliminated physical branches … tech scope: work hand in hand with PM and EM to manage product technical roadmaps and dependencies to minimise technical debt. Architect & Build: Design, develop, and maintain high-availability, high-performance web applications that serve as the backbone of our internal operations. Foster tech-solid delivery: Drive the team ...

development aligns with OWASP secure coding standards Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Collaborating with UI/UX teams using Figma prototypes Maintaining high-quality technical documentation Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core … Entity Framework Core RESTful API design/OpenAPI/Swagger Angular 21 (mandatory) TypeScript/RxJS DevExpress DevExtreme v25 (mandatory) Microsoft Azure (App Services, SQL, Storage) Azure Entra ID Azure Key Vault Infrastructure as Code (Bicep preferred) CI/CD pipelines (Azure DevOps or equivalent) Bitbucket (Git) What ...

infrastructure that allows clients to launch card programs anywhere in the world through a single integration. You will be responsible for a unified Global API and SDK suite that abstracts the complexity of regional payment networks. Whether a client is launching in Europe, North America, or APAC, your product … will provide a consistent, white-label experience. You will drive both the technical "how" (API/SDK design) and the strategic "where" (global expansion and regional issuing setups). What you’ll do: Unified Global API Strategy: Design and maintain a single, polymorphic API architecture ...

delivering high-impact customer-facing capabilities within the BFF, maintaining platform quality, guiding engineers through technical and execution decisions. Collaborate across engineering, product, design, and backend organizations to align goals, unblock dependencies, and ensure successful delivery. Drive the design, development, testing, and deployment of high quality, stable … from ideation through launch and iteration, ensuring quality and velocity across platforms. Set and uphold engineering standards, development principles, and best practices for API design, service architecture, and BFF patterns. Champion collaboration and relationship-building within the team and across partner orgs, acting as a trusted technical liaison. ...

scale - component lifecycle, rendering behaviour, and bundle architecture are instincts - TypeScript mastery in strict mode - complex generics, discriminated unions, conditional types, and type-safe API boundary design - Vite and modern build tooling; tree-shaking, chunk strategy, module federation, and build performance optimisation in CI - State management at scale … composite lifecycle, memory profiling, GC pressure, and long-task detection - WebGL, Canvas, or custom rendering engine for high-density, real-time financial data visualisation - Design system ownership - token architecture, component API design, versioning strategy, and cross-team adoption at scale - Testing discipline: unit, integration, E2E (Playwright/ ...

scale - component lifecycle, rendering behaviour, and bundle architecture are instincts TypeScript mastery in strict mode - complex generics, discriminated unions, conditional types, and type-safe API boundary design Vite and modern build tooling; tree-shaking, chunk strategy, module federation, and build performance optimisation in CI State management at scale … composite lifecycle, memory profiling, GC pressure, and long-task detection WebGL, Canvas, or custom rendering engine for high-density, real-time financial data visualisation Design system ownership - token architecture, component API design, versioning strategy, and cross-team adoption at scale Testing discipline: unit, integration, E2E (Playwright/ ...

Role We’re hiring a Backend Engineer to build the core infrastructure behind Revax’s AI-native platform for professional services. You’ll design, optimise, and scale the systems that power multi-agent drafting, knowledge graphs, and auditable AI workflows used by accountants, tax advisors, and consultants at leading … graphs, and real-world enterprise workflows. What You’ll Do Build & own core backend systems · Build and optimise databases for complex, real-world data · Design and implement APIs using FastAPI for AI workflows and product features · Build and scale LangGraph-based multi-agent systems with checkpointing, retries, and observability ...

Description: GCP Platform Engineer/SRE 1. In‐Scope Technologies/Products GCP Cloud GCP API Management (Apigee) – Infrastructure GCP Networking GCP Cloud Armor GCP Load Balancer GCP Kubernetes Service (GKE) GCP Storage HashiCorp Terraform HashiCorp Vault Harness Containers Backstage 2. Skillsets Required Cloud Platform Engineering Proven experience designing … Infrastructure as Code (IaC) Strong proficiency with Terraform (minimum). Experience with modern CI/CD systems such as GitHub Actions, Harness, and Jenkins. API Management Deep understanding of GCP API Management (Apigee) infrastructure and API Gateway solutions. Familiarity with API design and security standards ...

technical authority responsible for defining, governing, and evolving the end-to-end architecture of our “AI First” platform, ensuring architectural consistency, secure-by-design principles, and long-term scalability across all engineering squads. Working closely with the Engineering Manager, Cloud & Platform Engineering Lead, and Product leadership, this role shapes … excellence, and provides deep guidance to multiple autonomous squads as we scale towards high-performing, cloud-native teams. The Architect balances hands-on solution design, strategic planning, technical oversight, and stakeholder collaboration to keep the platform robust, secure, and ready for future growth. This role defines the architectural backbone ...

built. You'll also play a mentorship role - raising the engineering bar across the team and championing Responsible AI practices as we scale. Responsibilities Design scalable, secure, and fault-tolerant full-stack architectures that seamlessly blend traditional web services with generative AI components, ensuring high availability and resilience across … cost-optimised use of Azure AI APIs, GPU compute, and container orchestration resources Set the standard for code quality through comprehensive code reviews, technical design documents, and architectural decision records; mentor junior and mid-level engineers to grow their capabilities hampion Responsible AI practices including model evaluation, bias monitoring ...

Application Integration Architect Role Overview We are looking for an experienced Application Integration Architect to lead the design and delivery of scalable, high-performance integration solutions across enterprise systems. This role sits at the intersection of architecture, engineering, and business transformation—driving seamless interoperability between platforms while ensuring reliability … cross-functional teams, including engineering, operations, vendors, and business stakeholders, to define and implement robust integration strategies aligned with enterprise architecture principles. Key Responsibilities Design and architect end-to-end integration solutions using modern integration patterns (e.g., event-driven, microservices, API-led connectivity). Translate complex business requirements ...

Application Integration Architect Role Overview We are looking for an experienced Application Integration Architect to lead the design and delivery of scalable, high-performance integration solutions across enterprise systems. This role sits at the intersection of architecture, engineering, and business transformation—driving seamless interoperability between platforms while ensuring reliability … cross-functional teams, including engineering, operations, vendors, and business stakeholders, to define and implement robust integration strategies aligned with enterprise architecture principles. Key Responsibilities Design and architect end-to-end integration solutions using modern integration patterns (e.g., event-driven, microservices, API-led connectivity). Translate complex business requirements ...

Application Integration Architect Role Overview We are looking for an experienced Application Integration Architect to lead the design and delivery of scalable, high-performance integration solutions across enterprise systems. This role sits at the intersection of architecture, engineering, and business transformation-driving seamless interoperability between platforms while ensuring reliability … cross-functional teams, including engineering, operations, vendors, and business stakeholders, to define and implement robust integration strategies aligned with enterprise architecture principles. Key Responsibilities Design and architect end-to-end integration solutions using modern integration patterns (eg, event-driven, microservices, API-led connectivity). Translate complex business requirements ...

venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with … Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast ...

SoftwareDeveloper(API Development/Backend Node.js, C#, Fullstack) Birmingham, West Midlands (Hybrid 1 day onsite a week) 55k + Benefits Were partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. Theyre looking for a Software Engineer with strong API and backend development … power enterprise software products. Youll work primarily with Node.js and C#, collaborating with cross-functional teams to deliver well-architected, maintainable solutions. Key Responsibilities Design, build, and maintain RESTful APIs and backend systems. Develop high-quality, scalable code using Node.js and C#. Collaborate with product and engineering teams ...

Software Developer (API Development/Backend – Node.js, C#, Fullstack) Birmingham, West Midlands (Hybrid – 1 day onsite a week)55k + BenefitsWe’re partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. They’re looking for a Software Engineer with strong API … enterprise software products. You’ll work primarily with Node.js and C#, collaborating with cross-functional teams to deliver well-architected, maintainable solutions. Key Responsibilities Design, build, and maintain RESTful APIs and backend systems. Develop high-quality, scalable code using Node.js and C#. Collaborate with product and engineering teams ...

months (extendable) Day Rate : £550 - £600 a day (Outside IR35) Overview We’re looking for an experienced Integration Solution Architect to lead integration design across a global supply chain landscape. The immediate focus is a Transport Management System (Shipsy) implementation, integrating with Oracle Cloud ERP, carriers, and IoT/… temperature monitoring solutions. Key Responsibilities Design integrations between Oracle Cloud ERP and Shipsy TMS (orders, shipment events, delivery confirmation) Define API contracts, data mapping, and error handling/retry strategies Architect integrations with carriers and freight forwarders (API, EDI, portal) Design notification/communication integrations (e.g. ...

transformation and ensuring data is protected and used ethically. Talan UK & Ireland provides a range of consultancy and outsourcing capabilities including programme management, market design and governance. We also have extensive and award-winning capabilities across cyber security, data privacy and digital transformation. We are IIP Gold accredited … recruiting an ambitious and technically accomplished Solutions Architect to join our Digital business unit as a Principal Consultant. You will lead the design and delivery of scalable, secure, and cloud-native platforms across Energy (including Low Carbon and UK regulatory systems), Financial Services, Public Sector, and Healthcare domains. This ...