201 to 225 of 445 Permanent API Design Jobs

private markets. We are at an early stage of the build and looking for Senior Software Engineers to partner closely with Principal Engineers to design and deliver foundational capabilities. This is a hands‐on role for someone who wants to help shape the architecture, standards, and engineering culture … platform while leveraging modern coding practices to deliver high-quality code and infrastructure. What you’ll do Design and build backend services for the platform, primarily in Go, running on AWS with Postgres as a core data store. Own features and services end-to-end: from shaping requirements ...

teams to integrate security throughout the software development lifecycle. Microsoft Azure and KQL experience are essential , alongside relevant experience in CI/CD, Kubernetes, API security, security-as-code and security automation . This is a hands-on application security role focused on secure design, application security testing … Integrating security controls into CI/CD pipelines. Strengthening the security of GitHub Actions and similar CI/CD platforms. Providing guidance on secure API design and externally accessible systems. Supporting Azure cloud infrastructure, including Azure Kubernetes Service (AKS). Developing security-as-code and policy-as-code. ...

design Spotify’s consumer experience—end to end, moment to moment, across every screen, platform, and partner integration. Our mission is to make listening feel effortless, personal, and joyful for billions of users around the world. That means turning complexity into clarity across hundreds of touchpoints—from our mobile … cars, and integrations where Spotify shows up every day. If it touches a consumer, we shape it. We bring deep insight into human behavior, design, and technology to craft experiences that feel intuitive, expressive, and unmistakably Spotify. Policy & Safety (P&S) is a domain within Content Platform ...

Processing, and Cash & FX. You'll act as the technical authority within delivery teams, driving architecture strategy, governance, and engineering best practice. Key Responsibilities Design modern microservices and event-driven architectures using technologies such as Kafka, REST APIs and cloud platforms. Lead architecture governance, technical reviews, non-functional requirements … Processing Strong software engineering background in Java, Spring Boot, Oracle and SQL databases. Proven experience with: Microservices architecture Event-driven systems (Kafka, MQ, Solace) API design and integration AWS and/or Snowflake Knowledge of SWIFT MT, ISO 20022 and post-trade processing workflows. Experience operating within enterprise ...

team, we achieve goals together that would be impossible alone. Skills Required Technical skills: Proficiency with Node, Typescript, and Python. Good understanding of system design concepts - distributed systems, reliability/performance tradeoffs Experience in API design, implementation, and documentation Experience using AI coding tools (Cursor, Github Copilot ...

maintain high-performing backend services in PHP with clean domain boundaries, specifically managing billing and application management systems. Craft responsive frontend user experiences: Design and implement polished, accessible user interfaces using React, TypeScript, and Node.js. Ensure production reliability & test coverage: Safeguard core functionality by writing comprehensive … development depth: 3+ years of professional software engineering experience, with strong proficiency in backend PHP development and working with large-scale production codebases. Database & API design skills: Solid grasp of SQL and relational databases, alongside hands-on experience designing, building, and consuming REST APIs and system-to-system ...

maintain high-performing backend services in PHP with clean domain boundaries, specifically managing billing and application management systems . Craft responsive frontend user experiences: Design and implement polished, accessible user interfaces using React, TypeScript, and Node.js . Ensure production reliability & test coverage: Safeguard core functionality by writing comprehensive … depth: 3+ years of professional software engineering experience, with strong proficiency in backend PHP development and working with large-scale production codebases . Database & API design skills: Solid grasp of SQL and relational databases, alongside hands-on experience designing, building, and consuming REST APIs and system-to-system ...

experience with: Android development (Kotlin, Jetpack Compose) Backend development (Rust, Python or Go) Git and modern development workflows Docker + CI/CD pipelines API design (REST/OpenAPI) Working in secure or controlled environments Nice to have: AWS or Azure experience Kubernetes Agile delivery experience Secure coding ...

skills and experience. Essential: Strong experience delivering production-quality software, ideally using C#/.NET Strong understanding of software architecture, concurrency, distributed systems and API design Experience building or operating security-sensitive systems where correctness and auditability are critical Sound engineering judgement, balancing security, performance, reliability and delivery ...

creativity and continuous improvement. As a Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. You will play a pivotal role in delivering secure, stable, and scalable technology products that support … multiple technical areas. Your work will help shape the team culture and the impact of our technology solutions. Job Responsibilities: Execute creative software solutions, design, development, and technical troubleshooting to solve complex problems Develop secure, high-quality production code for data-intensive applications and review code written by others ...

dynamic environment. The role: As a Software Engineer (Backend) at digiLab, you will be responsible for: Collaborate with a cross-functional team to design, develop, and maintain high-quality software solutions Utilise expertise in Python, MongoDB, and other relevant technologies to contribute to scalable, secure systems Apply security best … practices throughout the software development lifecycle Foster a collaborative, learning-oriented environment within the team Implement software design patterns, SOLID principles, and best practices Demonstrate an understanding of CI/CD pipelines Provide technical support and participate incident investigations Ensure adherence to RESTful API design principles ...

Skills Required Technical skills Proficiency with Node, Typescript, and Python. Good understanding of system design concepts such as distributed systems, reliability/performance tradeoffs. Experience in API design, implementation, and documentation. Experience using AI coding tools (Cursor, Github Copilot, Claude, etc). Experience working with CI/ ...

typical day might look like: Develop and maintain Laravel applications with clean, efficient code Integrate third-party services and APIs into web applications Design and implement RESTful APIs and microservices Collaborate with cross-functional teams to define and implement new features Write comprehensive tests and ensure code quality Responsibilities … Develop and maintain Laravel applications with clean, efficient code Integrate third-party services and APIs into web applications Design and implement RESTful APIs and microservices Collaborate with cross-functional teams to define and implement new features Write comprehensive tests and ensure code quality Optimize application performance and scalability Stay ...

translate needs into prototypes, demos and thin-slice implementations that validate value quickly and reduce delivery risk. End-to-end solution build (UI/API/integration/automation) - Design and implement complete solutions across front end, back end, integrations and automation, using approved platforms and patterns … platform-based delivery and reuse (shared services, APIs, integration platforms, enterprise tooling), including knowing when to reuse vs build. Experience with modern UI frameworks, API design, event-driven or integration patterns, and automation/orchestration tooling. Experience working in Value Streams/product-led delivery, transformation pods ...

change where relevant. Offer technical assistance and support across the company. Liaise with third‐party software providers throughout the lifecycle of projects, from design and development to support and maintenance. Required Skills & Experience Proven leadership skills with the ability to support, guide, and delegate effectively. Strong communication and interpersonal … ability to adapt and fix legacy code. Experience planning, coordinating, and delivering testable software in scaled Agile environments. Solid knowledge of software structures, architectures, design patterns, and modern development processes. Minimum 5 years’ experience in C# development. Hands‐on expertise in the following: .NET Core 3.1 ASP.NET MVC (Core ...

will work alongside the engineers who built Heidi, shipping AI products that change how healthcare runs. Own features from database to browser: design the data model, build the Python service, ship the React and TypeScript interface, then watch how clinicians use it and iterate. Build fast, accessible interfaces … React, TypeScript and Next.js that hold up for a GP seeing twenty patients before lunch. Design, build and run high-performance backend services in Python, with MongoDB and Redis for storage and caching. Design APIs the rest of engineering and the AI team build on, and own their ...

cost are constant considerations, but your success will be measured by the value you unlock for customers. Your responsibilities will include: Architect & Build: conceive, design, and implement large-scale systems and services that handle massive data volumes and complex workloads in real time. This includes extending our ClickHouse pipeline … behind Braze segmentation, continuously improving their performance, reliability, and cost-effectiveness Mentor & Influence: lead by example and mentor engineers on best practices in software design, coding, and operations Collaborate Cross-Functionally: work closely with other engineering teams, product managers, and stakeholders to ensure segmentation systems are effectively integrated ...

cost are constant considerations, but your success will be measured by the value you unlock for customers. Your responsibilities will include: Architect & Build: conceive, design, and implement large-scale systems and services that handle massive data volumes and complex workloads in real time. This includes extending our ClickHouse pipeline … behind Braze segmentation, continuously improving their performance, reliability, and cost-effectiveness Mentor & Influence: lead by example and mentor engineers on best practices in software design, coding, and operations Collaborate Cross-Functionally: work closely with other engineering teams, product managers, and stakeholders to ensure segmentation systems are effectively integrated ...

cost are constant considerations, but your success will be measured by the value you unlock for customers. Your responsibilities will include: Architect & Build: conceive, design, and implement large-scale systems and services that handle massive data volumes and complex workloads in real time. This includes extending our ClickHouse pipeline … behind Braze segmentation, continuously improving their performance, reliability, and cost-effectiveness Mentor & Influence: lead by example and mentor engineers on best practices in software design, coding, and operations Collaborate Cross-Functionally: work closely with other engineering teams, product managers, and stakeholders to ensure segmentation systems are effectively integrated ...

cost are constant considerations, but your success will be measured by the value you unlock for customers. Your responsibilities will include: Architect & Build: conceive, design, and implement large-scale systems and services that handle massive data volumes and complex workloads in real time. This includes extending our ClickHouse pipeline … behind Braze segmentation, continuously improving their performance, reliability, and cost-effectiveness Mentor & Influence: lead by example and mentor engineers on best practices in software design, coding, and operations Collaborate Cross-Functionally: work closely with other engineering teams, product managers, and stakeholders to ensure segmentation systems are effectively integrated ...

understand dependencies and preserve existing functionality. Migrate data and database functionality from Microsoft SQL Server to MySQL, ensuring data integrity and reliable application behaviour. Design, develop and maintain backend functionality using C# and .NET Core APIs. Build and integrate frontend functionality within the single Angular web application using TypeScript … Architect to agree technical approaches, priorities and delivery plans. Your Skill Set Proven experience as a Senior Full Stack Developer working across database, backend API and frontend application development. Strong experience with C#, .NET and modern .NET Core application development. Strong hands-on experience with Angular and TypeScript. Extensive ...

product development and ongoing application support. This is a hands-on role with real influence over how our products evolve. What you'll do Design, build, and maintain applications using Python and Django Work across the full stack, including front-end components (React, JS, CSS) Translate business and user … occasionally with clients Contribute to CI/CD pipelines using Azure DevOps What you'll need to succeed: Essential Experience Python 3+ years' API Integrations Strong SQL skills (MySQL or PostgreSQL) Solid front-end fundamentals (HTML, CSS, JavaScript, React, Angular) Good understanding of software design principles and best ...

Disability Confident employer and welcome applicants from all backgrounds. If you need adjustments during the recruitment process, just ask. What You’ll be Doing Design, build, test and maintain backend services and APIs, primarily using Java. Develop accessible, user-facing features using TypeScript and React. Use Python for analytics … Copilot, Claude Code or comparable tools. Strong communication, collaboration and problem-solving skills. The ability to take ownership of defined work, contribute to technical design and deliver to an agreed standard. Desirable Experience with Spring Boot, TypeScript and React. Familiarity with AWS services such as ECS, Lambda ...

5+ years Java; Java 17+/21, Spring Boot or equivalent Stream/event-driven services at volume (Redis Streams, Kafka or similar) REST API design and ownership, contract-first Containerised services on Azure or another major cloud; Docker, CI/CD Strong SQL Desired Criteria: ClickHouse … OLAP store from the application side PostgreSQL with JSONB; in-process caching with invalidation Security telemetry: Windows event logs, Active Directory, M365/Graph API, NetFlow Insider threat/UEBA/SIEM product experience Porting or re-platforming an existing system against a live reference implementation Comfortable reading C# ...

onto it safely, contributing directly to the success of the System Software function. Key responsibilities include: Own a service or subsystem end to end - API design, implementation, rollout and ongoing operational health. Build closed-loop behaviour that acts on measured system state without a person in the loop. … Design state machines and their persistence together, so that what survives a restart is a decision rather than an accident. Make our services behave correctly under concurrency and partial failure.Move live systems onto new behaviour without losing data or interrupting work in flight. Evolve our APIs, and bring ...