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Build and maintain scalable web apps using React, Node.js, and TypeScript; refactor code, integrate APIs, and ensure cross-browser performance.
Build and optimize React Native mobile apps, mentor junior devs, and integrate with APIs and systems for a global client base.
Build and maintain financial trading applications in Python, integrating REST/GraphQL APIs, SQL/NoSQL databases, and streaming data to support trading desks and risk systems.
Build and maintain automated test suites for a React-based SaaS SPM platform, coaching teams on quality practices and driving CI/CD integration.
Lead a team building and scaling Fitch’s core data and ratings platform using Java, Python, AWS, and Kafka, while integrating AI/ML to enhance data solutions and developer productivity.
Build and maintain scalable backend services using Node.js and Nest.js, designing REST/GraphQL APIs and integrating databases for remote clients.
Lead backend architecture and API development using PHP (Laravel) and Python, focusing on security, scalability, and AWS cloud infrastructure for a credit-repair fintech company.
Build and maintain scalable Java backend systems for an ecommerce platform using Spring Boot, Hibernate, and MySQL, with REST/GraphQL APIs and third-party integrations.
Build and maintain scalable Java and Python backend services, REST APIs, and microservices in a hybrid role for a global IT services provider.
Backend developer building and integrating REST APIs to connect banking systems, handling data mapping, authentication, and error management.
Designs scalable backend architectures (microservices, APIs, event-driven systems) in Java for banking clients, ensuring security, observability, and cloud deployment.
Builds Python-based financial services APIs and risk/PnL systems using Flask, FastAPI, and GraphQL for a global IT consultancy.
Build and maintain scalable Python backend services (FastAPI/Django/Flask) and modern frontend UIs (React/Vue) for global clients, using cloud platforms and CI/CD pipelines.
Build and scale Sleeper’s backend systems powering fantasy sports, DFS, and real-time user experiences like contests, leaderboards, and payments using Go/Python/Node.js and cloud infrastructure.
Build and lead backend systems (Python, FastAPI, PostgreSQL) for an AI-powered SaaS platform serving TikTok Shop brands and creators, using agentic coding tools daily.
Build and scale backend systems in Python/Flask with GraphQL, integrating third-party tools for a proptech startup modernizing the moving industry.
Build and scale backend services for AI-powered writing tools, integrating LLMs and detection systems to support students' workflows.
Senior Backend Engineer builds and scales secure, performant APIs and systems for Boxed.Gg, a platform blending digital collectibles with tangible rewards for a global community of 500k+ collectors.
Build and lead frontend-heavy integrations for life-insurance carriers using React, TypeScript, and Go/Python, turning partner requirements into scalable, secure, and reusable systems.
Build and maintain Sound’s artist and fan-facing web3 tools using React, TypeScript, and Next.js, while leading frontend architecture and mentoring engineers.
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