151 to 175 of 531 API Design Jobs

teams, you will help shape the future integration strategy while ensuring high-quality, scalable, and maintainable solutions are delivered across the programme. Key Responsibilities Design and deliver integration solutions, migrating services from legacy platforms to modern strategic integration platforms. Define API specifications and integration patterns, including the transformation … legacy SOAP services into modern RESTful APIs. Apply API-first and domain-driven integration approaches to support reuse, resilience, and long-term maintainability. Contribute to end-to-end solution design, ensuring alignment with wider enterprise architecture principles and transformation objectives. Promote modern engineering practices including automated testing ...

role for a developer who is deeply enthusiastic about the intersection of decentralized technologies and institutional finance. The successful candidate will contribute to the design, development, and deployment of Web3-native components and integrations that power Citi's digital asset infrastructure — spanning tokenization, smart contracts, on-chain settlement … event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronizationCollaborate with architects and senior engineers to contribute to the design of scalable, secure, and resilient Web3 infrastructureParticipate in code reviews, providing and receiving constructive technical feedback to maintain high engineering standardsSupport the integration ...

occasional out-of-hours support. Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet … expectations, and operational reliability. Integrate products with monitoring and support tooling. Experience/Skills required: Experienced Python Developer who can make sound trade-offs, design for scale, and contribute to complex systems without over-engineering. Strong engineering judgement and real-world delivery experience. Senior-level experience designing and building ...

team, you will set technical direction, mentor other engineers, and own significant parts of the platformend to end. What You’ll Do Lead the design and delivery of complex, user-facing features and shared foundations for Clear Street Studio. Drive a system-design approach to building new front … Core team, including architecture, testing, tooling, and code quality. Mentor and grow other engineers through code review, pairing, and technical guidance. Partner with product, design, and back-end leads to shape roadmaps and turn ambiguous problems into clear technical plans. Own the operational excellence of your domains, ensuring reliability ...

patterns, govern APIs/events, ensure secure, resilient data flows, and drive standardization, observability, and compliance. Core Responsibilities Architecture & Standards • Define canonical integration patterns (API-led, event-driven, batch/EDI) and reference architectures on SAP BTP. • Establish guidelines for API design, versioning, reusability, and governance. • Create … integration roadmaps aligned with product releases and enterprise architecture. Integration Delivery • Lead solution design using SAP Integration Suite (Cloud Integration/CPI, API Management, Event Mesh). • Orchestrate end-to-end flows for master data, transactional data, and identity across SAP and non-SAP systems. • Govern mapping, transformation ...

skilled Sr. Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that meet their technical requirements and business objectives. You'll be a key player in driving customer success through … When we feel supported in the workplace and at home, there's nothing we can't achieve. Basic qualifications- Experience as technical specialist in design and architecture- Experience in cloud based solution (AWS or equivalent), system, network and operating system- Experience in external or internal customer facing, complex ...

product proposals grounded in customer data, SME input, and market context. Present options with explicit tradeoffs to support executive decision-making. Ensure all product design complies with applicable regulatory requirements across immigration, tax, social security, and posted-worker obligations. Coordinate with legal and compliance leads on language, logic … platform. Identify and resolve data quality issues in coordination with engineering. Manage vendor relationships relevant to the Business Travel product, including travel data providers, API partnerships, and compliance data sources. Conduct data analysis to inform product decisions, including API response analysis, integration data validation, and client usage pattern ...

Senior .Net Developer, C#/VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed in house … required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API ...

Senior .Net Developer, C#/VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed in house … required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API ...

world, and turnaround measured in days. That does not scale to where MoonPay Enterprise is going. KYB has to become a product: measurable, fast, API-first, defensible in front of regulators and banking partners. This is a principal seat. You set the multi-year direction for how businesses enter … order. Genuine product depth on MoonPay Enterprise is non-negotiable. Within weeks you talk fluently about KYB outcomes, UBO requirements, virtual account structures, and API behaviour. From being hands-on, not from documentation. Onboarding funnel & conversion The KYB funnel is yours: pass rate, time-to-verified against ...

heart of their core engineering capability. This isn't a purely strategic seat. You'll have genuine technical authority over a business-critical API platform while staying close to the engineering, partnering with skilled squads to solve complex distributed systems challenges at scale. Key Responsibilities: Set the technical direction … large-scale API platform across both synchronous and event-driven servicesLead architectural design across a modern, cloud-native stackDrive continuous improvement across security, observability, performance, and long-term maintainabilityMentor and develop engineers and technical leads across multiple teamsWork closely with Product and Delivery leadership to keep engineering strategy ...

applications while collaborating with architects, engineers and stakeholders to deliver innovative digital solutions. The Role As a Senior Software Engineer, you'll lead the design and development of modern cloud-native applications, working closely with clients to understand business requirements and translate them into robust technical solutions. … contribute to solution design, mentor other engineers, promote engineering best practices, and help shape scalable, resilient platforms built on Microsoft Azure. What You'll Be Doing Design, develop and deliver modern cloud-native applications. Build scalable, secure and resilient event-driven solutions. Develop production-quality software using .NET ...

Treasury foundation that can scale with us. Your Responsibilities In This Role Own key architecture and implementation decisions for the collections & treasury foundation Lead design work (RFCs, diagrams, API and system specs) to align on solutions before building Partner with PMs and stakeholders to translate business intent into … technically sound requirements Design and build customer-facing and internal APIs to support collections and payment strategies Build reliable infrastructure for vIBAN provisioning and collections orchestration Drive engineering quality across API standards, testing strategy, code review bar, and maintainability Manage delivery by breaking down complex work, sequencing milestones ...

grade prototypes and reusable technology assets, including AI-enabled and agentic applications within Google Cloud, while setting high engineering standards for solution architecture, application design, security, governance, and delivery acceleration across the Technology Innovation portfolio. This role requires strong hands-on full-stack engineering skills, the mindset … experience with Vertex AI, Gemini, agent frameworks, AI gateway/model-proxy patterns, and enterprise-grade deployment of AI workloads. Key Responsibilities: Lead the design and delivery of high-impact innovation solutions aligned with the organization's business goals and technology trends in financial services Architect and build ...

multi‐stakeholder deals, and usage‐based commercial models rather than seat‐based subscriptions. This is a 0‐to‐1 build. If you have built API or data products before and want to do it again in a market where the opportunity is wide open, this is it. What … catalogue decisions: which datasets to expose, in what format, through which channels, and in what order, balancing client demand, data readiness, and commercial potential Design the developer experience end‐to‐end: API design, documentation, developer portal, sandbox/playground, error handling, rate limiting, and versioning Work with ...

Backend Engineer. We are looking for a talented and motivated Senior Backend Engineer to join our growing innovation team. In this role, you'll design, develop, deploy, and support microservice-based applications that power critical business services. You'll work closely with fellow developers, and operations teams to deliver … smooth cutovers with minimal operational impact and improved system stability. This role is hybrid, based out of our Manchester office. Responsibilities: Build Automated Services: Design and deploy robust background worker services, scheduled tasks, and event-driven automation. Develop Custom APIs: Architect, build, and document secure, scalable RESTful Web APIs ...

just familiarity, but production ownership. Azure Integration: Proven experience building applications that consume Azure-native services, including Azure Key Vault for secrets, Azure Storage API, and Azure Service Bus for event-driven messaging. DevOps Mindset: Solid understanding of the full CI/CD lifecycle; comfortable reading and contributing … Dockerfiles and GitHub Actions YAML workflows - not as a DevOps engineer, but as a developer who understands the pipeline their code flows through. API Mastery: Deep expertise in RESTful API design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties ...

public sector clients, helping to deliver Solirius services to the highest standard. The role will involve working with multiple business stakeholders, helping them to design business solutions which will then be implemented by the delivery teams. As a Junior Solution Architect, you will undertake structured analysis of technical issues … translating this analysis into designs that describe a solution. You will be consulted on design and can provide design patterns. You will identify the deeper issues that need fixing and look for opportunities to collaborate and reuse components, communicating with both technical and non-technical stakeholders. You will ...

drive an agent, validate its output, and ramp on an unfamiliar codebase with an agent helping you. What are the responsibilities of the role? Design and build full stack web applications to support end-to-end automation and test infrastructure Integrate AI capabilities including LLM-driven experiences in existing … cases Collaborate with cross-functional teams to define and deliver external partner-facing and internal tooling Architect and own technical solutions and designs, evaluating design alternatives and trade-offs to deliver pragmatic, scalable, reliable, and maintainable solutions Create and maintain requirement and technical documentation, clearly defining user requirements, expected ...

development, delivery and production operations whilst remaining hands‐on, writing production code and tackling the most technically complex problems. You'll own system architecture, API design, technical decisions, design reviews and code quality and partner with Product Managers on roadmaps, delivery plans and priorities. Providing technical leadership … within a software engineering team You have strong backend development skills with C# .Net (would also consider other OO languages) You have strong system design experience, particularly distributed systems and microservices You have frontend experience with Vue.js, React or modern Angular You have a good knowledge ...

some of the largest and most respected players across the wealth management industry. What You’ll Do Build Agentic Systems Contribute to the design and delivery of agentic systems: workflows where AI plans, executes, and iterates toward outcomes rather than simply responding to requests Build and ship production-quality … solutions as part of a squad working on real efficiency and automation problems with direct business impact Participate in the full delivery lifecycle: design discussions, development, testing, deployment, and iteration Apply AI-Native Development Practices Use AI-assisted development tools, including code generation, prompt engineering, and agentic frameworks ...

Raising the bar across software (typing, testing, observability, tooling, and thoughtful refactors), tooling, and ways of working What you'll do Design, build and operate the Python backend services behind Asset Backed Trading Own event driven flows from trigger to dispatch: queues, lambdas, events, and the Flex API … these areas will help. Core skills Strong Python experience Experience building and operating backend services in production Comfort with cloud platforms, ideally AWS (Lambda, API Gateway, SQS, EventBridge, DynamoDB, S3) API design and domain modelling for complex business workflows Writing robust, typed, well tested code (pytest ...

leading industrial companies. Job Title: Senior Cloud Software EngineerLocation: Cambridge, UK – HybridEmployment Type: Full-timeThe jobJoin AVEVA's Core Services team to design and implement secure, resilient cloud platform capabilities using Microsoft Azure. This Senior-level role is suited to an experienced developer with a strong record of delivering … complex technical solutions and an interest in cloud development. You will work as part of an agile team, contribute to design decisions, build high-quality services, and use modern engineering practices, including AI-assisted development tools, to improve productivity and software quality. Key ResponsibilitiesDesign, develop, and maintain secure, resilient ...

Deep Sea Electronics is a global leader in the design and manufacture of generator controllers, automatic transfer switch controllers, battery chargers, and vehicle and off-highway control systems. With over 200 employees across four continents, we supply our products to customers in more than 150 countries, both directly from … tooling in one or more of PHP, Golang, NodeJS (TypeScript) or C# Maintain and extend WebNet's MQTT broker infrastructure and WebSocket/HTTP API layers With a focus on IoT protocols and technologies, remain up to date with the latest developments and bring forward suggestions where relevant ...

engineering capability. Set and influence technical direction across the application stack, making pragmatic architectural decisions around areas such as SSR vs client-side rendering, API design and application architecture. Work closely with the Architecture team on low-level solution design, translating complex requirements into practical and deliverable … team members. Lead the responsible adoption of AI-assisted development tools, identifying opportunities where AI can genuinely improve engineering productivity while establishing appropriate guardrails. Design and manage Azure cloud infrastructure, working with technologies including Kubernetes, Service Bus, APIM and Key Vault. Manage Infrastructure as Code using Terraform or Pulumi. ...