401 to 425 of 445 Permanent API Design Jobs

will own engineering for production-ready Python services, APIs and MCP integrations, collaborating with security and technology teams in London. Strong Python and API design skills are essential, with experience in fast-moving environments. You will work under the Associate Director, Applied AI, contributing to scalable architectures, testing ...

inference layers, implement multi-cloud orchestration, and ensure production-grade reliability. You’ll collaborate with senior engineers, write clean Go code, and contribute to API design, data models, and observability. You should be comfortable working across product features, deployment challenges, and customer interactions, with #J-18808-Ljbffr ...

leadership experience. The role involves delivering end-to-end solutions, collaborating with the application team, and influencing enterprise-level strategies. Strong C#/.NET, API design, and cloud experience are essential. #J-18808-Ljbffr ...

experiments. You’ll build backend systems that make our lab programmable and architect data pipelines for large-scale protein characterization. This role focuses on API design, instrument integration, and translating complex workflows into reliable software, with a strong emphasis on autonomy and pragmatic engineering. We value biology interest ...

will bring Experience delivering and maintaining .NET applications in production, with examples of decisions you owned. Confidence with relational data, SQL queries, transactions, API design and authentication and authorisation. The ability to explain trade-offs, break work into deliverable increments and ask when a requirement is unclear. ...

level Software Engineer with deep Python expertise to build reliable internal platforms and developer-enablement capabilities. This is an engineering-first role: strong software design, coding fluency and practical problem-solving are essential. You will apply AI in pragmatic ways-such as designing document search and conversational experiences using … Retrieval-Augmented Generation (RAG)-while maintaining a high bar for engineering quality, security, scalability and operational excellence. What You’ll Do Design, build and maintain production-grade Python services, libraries and developer tools. Apply modern Python practices, including packaging, type hints, asynchronous programming and maintainable API design. Create ...

looking for an experienced Cloud Engineer with strong AWS expertise to design, develop, deploy and maintain cloud-based applications and services. You will work as part of an autonomous DevOps team, collaborating with software engineers, technical specialists and client stakeholders to deliver secure, scalable and reliable cloud solutions. … enjoys problem-solving, embraces new technologies and wants to take ownership of delivering high-quality cloud solutions within a collaborative engineering environment. Key Responsibilities Design, develop and maintain applications and services hosted on Amazon Web Services (AWS). Work across the full software development lifecycle, including requirements gathering, solution ...

empathetic support at scale. You'll help improve the advisor experience through intelligent tooling, define how customers reach support across channels, and strengthen the API layer underpinning our service ecosystem. Your work will bring platform thinking together with real human impact, helping our advisors do their best work … support across chat, email, social messaging, and emerging channels, helping the right contact reach the right advisor at the right time. Strengthen the foundational API layer connecting our support systems, with a focus on reliability, extensibility, and developer experience as the platform scales. Take initiatives from discovery through launch ...

party integrations. You will work closely with Product Owners, Frontend Developers, DevOps, and QA to ensure smooth, efficient, and secure platform operations. Key Responsibilities: Design and implement backend systems capable of handling thousands of concurrent player connections across multiple services. Develop scalable, modular microservices to support game logic, session … management, and operational services. API Development. Ensure low-latency data processing to support game engines. Collaborate with the product team to build new features, improve system performance, and support business requirements. Work with relational databases such as PostgreSQL and Oracle to ensure reliable and efficient data operations. Manage service ...

Cloud Engineer to join a specialist engineering team delivering secure, mission-critical technology for UK National Security customers. The role offers the chance to design, develop, deploy and maintain cloud-native applications and services on Amazon Web Services (AWS), supporting systems that contribute to the UK's national security … takes ownership of the full software delivery lifecycle and wants to apply their technical skills to work with a meaningful national impact. Key Responsibilities Design, develop, deploy and maintain cloud-based applications and services using AWS. Build secure, scalable and resilient cloud solutions that support critical National Security customer ...

opportunity to take ownership of technical solutions, work across the full delivery lifecycle and contribute to projects with real-world impact. Key Responsibilities Design, develop and maintain cloud-based applications and services using AWS. Configure and manage AWS infrastructure to deliver secure, scalable and reliable solutions. Apply infrastructure … languages. Work with AWS services to support compute, storage, networking, security and application integration. Contribute to the full software delivery lifecycle, from requirements and design through to deployment and ongoing support. Apply DevOps principles to automate deployments, improve reliability and streamline engineering workflows. Collaborate with technical colleagues and stakeholders ...

/post-trade transparency, and venue/instrument data flowsTranslate regulatory requirements into robust, auditable technical solutionsParticipate in Agile ceremonies and contribute to design, development, testing, and documentationWrite unit, integration, and functional tests; support automated test pipelinesDeploy services in AWS and contribute to CI/CD pipeline developmentRequirements5+ years … Java development experience, with strong proficiency in Spring BootSolid understanding of microservices architecture and RESTful API designExperience deploying to and developing in AWS or other public cloud environmentsFamiliarity with Agile development practices and tools (e.g., Jira, Git, Jenkins)Strong communication skills and ability to work closely with non-technical ...

binary size, startup cost, thread safety, and backward compatibility are the job, not afterthoughts. You will own what you build end to end, from API design through release and live integration support. Based in-office (hybrid model) in London or Ljubljana, Slovenia. You Will Build and maintain … mobile SDK on Android (Kotlin) or iOS (Swift) Own the public API surface: minimal, stable across versions, and hard to misuse Keep the SDK lightweight and resilient, with no crashes in host apps and graceful degradation when the backend is unreachable Own releases, versioning, and distribution (Maven Central, SwiftPM ...

across markets with a tight-knit team and direct access to product, compliance, and operations. You will own end-to-end backend delivery, from API design to production reliability, while advancing a modern stack with AI-assisted tooling. We seek a senior back-end engineer with 6–10+ … years of production experience, strong C#/.NET skills, and a track record in system design and leadership. #J-18808-Ljbffr ...

Sygneus is seeking a Software Engineer to design, build, and maintain scalable systems and automation tools across internal and customer-facing platforms. You will contribute to architecture decisions and work closely with commercial and operational users to deliver practical solutions. The role rewards independence and rapid iteration, with ownership … development from API design to deployment, aligning technical outputs with real market needs and driving measurable value. #J-18808-Ljbffr ...

with customer requirements and business objectives. Daily Tasks To contribute to Agile Scrum, and ensure deadlines and production quality. To spearhead creative solutions for API and backend related challenges. To manage platform infrastructure for scalability, high availability, and security. To ensure product scalability, high availability, and top-notch code … alerting to maintain high availability. To build, operate, and secure the APIs, backend, and even cloud infrastructure. To incorporate security best practices into the API design and implementation. To evaluate product code against specifications and gathering requirements. To address problems and document all reported issues and actions taken. ...

will collaborate with London-based engineers and contribute to customer-facing workflows. A strong track record in Laravel and PHP is essential, along with API design and testing practices. #J-18808-Ljbffr ...

product roadmap, translate customer needs into scalable payments propositions and collaborate with leadership to drive the strategy forward. You will work with engineering on API design, partner management and go-to-market teams to package and sell the proposition, while remaining hands-on and results-driven. #J ...

applications, employing PHP, Laravel and Vue.js, with the opportunity to influence technical decisions and deliver impact. The role offers exposure to modern web technologies, API design, and cross-functional teamwork in a regulated environment, with emphasis on quality and professional #J-18808-Ljbffr ...

Team to build reusable patterns and drive responsible AI adoption across multiple units. The roles require hands-on AI/ML/LLM development, API design, and a delivery-focused mindset in a large, regulated landscape. Hybrid work and a strong governance focus are offered. #J-18808-Ljbffr ...

product, so binary size, startup cost, thread safety, and backward compatibility are the job. You will own what you build end to end, from API design through release and live integration support. Based in-office (hybrid) in London or Ljubljana, Slovenia, you will work on Android (Kotlin ...

rebuilding the platform layer behind cross-border payments and seeks a mid-level back-end engineer to own problems end-to-end—from API design to production reliability and launch. You will work in a small team with direct access to product, compliance, and operations, building services that ...

Encryption, access control and auditability built in from day one. What you'll bring You've designed and run production backend systems Strong in API design, databases and cloud infrastructure You think about security, reliability and scale early Comfort with ownership in a small, fast team Nice ...

working with modern cloud technologies, and contributing throughout the full software delivery lifecycle. The successful candidate will work within an autonomous DevOps team, helping design, develop, deploy, and maintain cloud applications and services that support critical operational requirements. They'll have the opportunity to influence technical decisions, explore … . They'll be part of a collaborative engineering environment that encourages innovation, continuous improvement, and the adoption of modern DevOps practices. Key Responsibilities Design, develop, deploy, and maintain cloud-based applications and services using AWS. Build and manage cloud infrastructure using Infrastructure as Code (IaC) tools. Identify appropriate ...

working with modern cloud technologies, and contributing throughout the full software delivery lifecycle. The successful candidate will work within an autonomous DevOps team, helping design, develop, deploy, and maintain cloud applications and services that support critical operational requirements. They'll have the opportunity to influence technical decisions, explore … . They'll be part of a collaborative engineering environment that encourages innovation, continuous improvement, and the adoption of modern DevOps practices. Key Responsibilities Design, develop, deploy, and maintain cloud-based applications and services using AWS. Build and manage cloud infrastructure using Infrastructure as Code (IaC) tools. Identify appropriate ...