Full-stack TypeScript Engineer
The Full-Stack TypeScript Engineer will work across the tech stack, developing features for user-facing applications and backend services using Next.js, Node.js, and TypeScript. Key responsibilities include building robust services, designing RESTful APIs, optimizing PostgreSQL databases, and integrating LLM-powered capabilities. The role requires strong collaboration, code review participation, and commitment to writing clean, well-tested code within an async-first workflow.
TypeScript Engineer - Event-driven Systems
The TypeScript Engineer will design and implement scalable, real-time, event-driven architectures using TypeScript, focusing on building robust microservices that communicate via event streams, potentially involving LLM processing. Key responsibilities include working with message brokers like Kafka or NATS and ensuring data consistency in distributed systems. This role requires strong experience with TypeScript, Node.js, and event-driven patterns, preferably within an AWS environment.
Backend TypeScript Engineer - Core Services
This role involves architecting, building, and scaling the foundational backend APIs and services using Node.js and TypeScript, primarily interacting with PostgreSQL/Prisma. Key responsibilities include designing high-performance RESTful APIs, modeling complex domain logic, optimizing database performance, and integrating LLM-powered capabilities. Candidates should possess strong production system experience with Node.js/TypeScript and deep knowledge of PostgreSQL.
Software Engineer, Frontend (developer - Foundations)
The CDP Foundations team at Coinbase is seeking a Frontend Engineer to build and iterate on secure, logged-in web experiences for developers managing crypto infrastructure like API keys and analytics using React/TypeScript. The role involves owning end-to-end feature delivery, developing high-quality, accessible UI components, and integrating deeply with backend APIs. Candidates should uphold best practices in type safety, testing, and security while working autonomously in a fast-paced environment.
Backend Software Developer
The Backend Software Developer will participate in the architecture, design, and implementation of innovative cloud-based services and development infrastructure, addressing aspects like multi-tenancy and high availability. The role involves addressing critical security challenges while designing efficient, robust solutions that power customers' mission-critical services. The developer will also participate in product decisions to help design Apono’s core product.
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Frontend Engineer
LayerZero is hiring a Frontend Engineer to drive blockchain interoperability by designing and implementing robust, scalable web applications using web3 technologies. Key responsibilities include architecting core product features from conception through deployment, building performant backend systems, and mentoring team members. The role requires deep knowledge of web technologies and at least two years of experience building scalable UIs and APIs.
Software Engineer
The Software Engineer will develop, maintain, and enhance complex and diverse software systems, including processing-intensive analytics and real-time systems, based on documented requirements. Key responsibilities involve writing well-designed, maintainable code, reviewing and testing software components, and providing input to system design decisions. Candidates must possess an active TS/SCI with CI-polygraph clearance and at least three years of experience.
Software Engineer
This role involves building features end-to-end as a full-stack engineer, focusing on both compelling user interfaces and efficient, scalable back-end processing logic. The engineer will participate in the entire product development process, working cross-functionally with product, design, and research teams. This position is based in the Warsaw office with an office-centric hybrid schedule.
Full-stack Software Engineer- Ownwell.com (react/Node.js)
As a full-stack engineer at Ownwell, you will be responsible for shaping the digital landscape by crafting seamless user experiences across the platform, focusing on both front-end interfaces and robust back-end systems. Key responsibilities include designing and developing dynamic web applications, integrating third-party APIs, improving performance, and implementing secure, efficient code within cloud environments. This role requires taking ownership of the software development lifecycle and ensuring software solutions meet operational needs effectively.
Software Engineer, Workers Builds & Automation
As a member of the Workers team within Emerging Technologies & Incubation, you will design, build, and support large-scale, customer-facing systems on Cloudflare's edge computing platform. You will drive projects from idea to release, delivering solutions across the software stack using technologies like Typescript/JavaScript, Go, and SQL. The role requires 2-5 years of experience and involves delivering end-to-end projects while interacting with customers.
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Full-Stack Engineer
The Full Stack Engineer will be a foundational member of the engineering team, responsible for end-to-end development across the web product stack. Responsibilities cover API design, frontend, backend, data engineering, algorithms, and LLMs integration. Candidates should have 3+ years of experience building web products and demonstrate a strong sense of UX and good systems design.
Backend Engineer
This role involves being a foundational backend engineer responsible for shipping new features for the web application to 800k monthly active users. Responsibilities include working across the full backend stack, dealing with API design, data engineering, and algorithms. Since it is a startup environment, the candidate must be willing to learn and work with various technologies across both backend and frontend stacks.
Full-Stack Software Engineer
The Fullstack Software Engineer will work on the most crucial product features for the HeyGen platform, taking end-to-end ownership from the frontend to the backend API and ML models. Key responsibilities include designing, developing, testing, and deploying robust features, collaborating with design and product teams, and maintaining/optimizing platform performance. Candidates should be passionate about creating impactful AI products and must possess a Bachelor's degree in a related field with 3+ years of experience.
QA Engineer
Roofr is seeking an experienced QA Engineer to drive testing architecture and ensure software products meet high-quality standards. Key responsibilities include developing and executing test plans, identifying and reporting defects, and conducting manual and automated testing for web and mobile applications. The role requires collaboration with developers and product managers within a fast-paced, engineering-first culture.
Backend Engineer Networking Group
Cato Networks is seeking an experienced Backend Engineer to develop cloud-based, proprietary networking and security management solutions. Key responsibilities include end-to-end backend development, processing large-scale data, designing scalable microservices, and improving infrastructure reliability. Candidates must have 4+ years of backend experience, strong expertise in Java/Spring Boot, and understanding of networking concepts.
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AI Product Engineer
The AI Product Engineer will be instrumental in creating the future of language learning by developing innovative product experiences powered by Language Learning Models (LLMs) and deploying them to millions of users. Responsibilities span the full stack, from model evaluation and prompt testing to refining the entire LLM application building process. The role requires 3-5+ years of experience in full stack/backend engineering with proficiency in React, Node/Typescript, and Python.
Backend Engineer E2 - Custody
BitGo is seeking a Backend Engineer - E2 to join the Custody Vertical to build an API-first platform for crypto products. Responsibilities include designing and building scalable APIs, owning functionality from inception to deployment, and collaborating with cross-functional teams to ship new features. The role requires strong experience in backend development, algorithm design, TypeScript, Node.js, and PostgreSQL/MongoDB, and involves working onsite in Bangalore.
Software Engineer, Infrastructure - All Levels
The Software Engineer on the Infrastructure team will focus on empowering developers and ensuring the reliability and scalability of production systems, primarily leveraging AWS cloud infrastructure. Key responsibilities include driving operational excellence, enhancing monitoring/alerting, championing DevOps principles, and collaborating with engineering teams to optimize performance and architecture. Candidates need at least 3 years of experience with cloud technologies and proven experience with infrastructure-as-code frameworks like Terraform.
Full-stack Engineer
The Full-Stack Engineer will be a critical part of the technical and product roadmap, building products across the stack using technologies like React, Typescript, NextJS, Tailwind, and NodeJS. Responsibilities also include driving the technical roadmap, architectural decisions, and interacting with smart contracts across multiple chains. The ideal candidate should have 2-10+ years of experience and a strong builder mentality, experimenting with side projects.
Automation & QA Engineer
The Automation & QA Engineer will be responsible for ensuring the quality of Capitolis' financial technology products by representing QA within a scrum team. Key responsibilities include analyzing requirements, creating and executing manual and automated test plans/cases, and working closely with Developers, Product, and DevOps teams in a fast-paced agile environment. Candidates should have at least 3 years of experience as a Manual QA Engineer and Automation developer for enterprise products.