Senior Full-Stack Engineer (us)
Infisical is seeking an exceptional Senior Full Stack Engineer to build, optimize, and expand the foundation of their open source security infrastructure platform. Key responsibilities include developing and maintaining features while communicating directly with enterprise customers, and expanding new product lines like Infisical PKI and SSH. The role requires deep mastery of the JavaScript ecosystem (React, Node.js, TypeScript) and a strong bias toward action, with opportunities for high impact in shaping the company's future.
Senior Software Engineer, Mobile (react Native)
Owner.com is seeking a Senior Software Engineer specializing in React Native to develop mobile products and features for its AI growth system for local restaurants. The role involves taking ownership of projects from conception to shipping, collaborating with cross-functional teams, and contributing to the overall product direction and team growth.
Senior Software Engineer
The Senior Software Engineer will work cross-functionally to architect, build, and verify solutions for Ironclad's AI contracting platform. Key responsibilities include collaborating on feature design, creating polished user interfaces using modern front-end technologies, and contributing to front-end architecture discussions. The role requires at least 4+ years of software experience building complex web applications.
Senior Software Engineer I
Eucalyptus (Euc), the company behind Juniper, is seeking a Senior Software Engineer to be a key architectural voice in designing robust and scalable software for their weight-management telehealth program. Responsibilities include building new features, creating internal tools for clinical staff, and mentoring the engineering team. Candidates should be full-stack engineers with several years of experience, capable of owning the full product lifecycle from discovery through monitoring.
Senior Software Engineer
The Senior Full Stack Software Engineer will take end-to-end ownership of critical product features, focusing on both backend (70%) and frontend (30%) development. Key responsibilities include designing and building scalable systems for real-time workflows like call routing and speech recognition processing. The role requires collaborating cross-functionally and acting as a role model for engineering excellence through mentorship and driving technical standards.
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Software Engineer II
The Software Engineer II will be a key contributor to Eucalyptus's multi-brand frontend and backend platform, working cross-functionally to develop telehealth infrastructure. Responsibilities include iteratively building and scaling features while prioritizing system stability, security, and modularity. The role requires providing knowledge sharing and identifying team effectiveness improvements through practices like code reviews and feedback on design patterns.
Latam Senior Full-Stack Engineer
The company is seeking a Senior Full Stack Engineer to lead the development and scaling of their platform infrastructure for the renewable energy industry. Key responsibilities include designing and maintaining scalable full-stack solutions, building web applications, and collaborating with cross-functional teams. The role demands deep expertise in both frontend and backend technologies, with expectations for technical ownership and mentoring junior staff.
Principal Software Engineer - Product/AI
Titan is seeking a Principal Engineer to be a key player in developing and enhancing user experience across cutting-edge applications, with a focus on AI integration. Responsibilities include driving product roadmap collaboration, contributing to mobile and content tools using React Native and React, and optimizing backend systems using Node.js and MongoDB. Candidates must have 6+ years of hands-on experience building scalable applications using JavaScript/TypeScript and a proven track record in product delivery.
Full-Stack Software Engineer - Billing Team
The Billing Engineering team at ClickHouse is looking for an experienced Software Engineer to help build and maintain the cloud billing and metering platform. Responsibilities include designing and building mission-critical backend and frontend processes, delivering mature and highly available frameworks, and integrating with various internal and external systems. Candidates should have 5+ years of experience building cloud-based front-end systems and expertise with public cloud providers.
1 - Développeur Full-Stack Senior (ML PRéféré) (contrat)
AlleyCorp Nord seeks a senior Full Stack Developer for consulting projects primarily in the healthcare sector, working with cutting-edge AI technology. Responsibilities include full-stack product development, quality code delivery (frontend/backend/infrastructure), platform tooling (like CI/CD), and potentially technical project management. Candidates should have strong professional software delivery experience, familiarity with TypeScript, React, Postgres, and Node/Python, and demonstrate strong communication and leadership potential.
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2 - Senior Full-Stack Developer (ML Preferred) (contract)
AlleyCorp Nord is seeking a Senior Developer for a part-time or full-time contract role focused on building software solutions at the intersection of AI and healthcare for clients. Responsibilities include end-to-end product development (frontend, backend, infrastructure), improving platform tooling, and potentially handling technical project management tasks. The ideal candidate has 5+ years of experience and familiarity with modern stacks like TypeScript, React, Postgres, and Node/Python, although the consultancy is stack-agnostic.
Principal Software Engineer, Full-stack
This Principal Engineer role is the most senior IC position, responsible for leading high-leverage initiatives that span multiple engineering teams and defining technical strategy. Key responsibilities include shaping system architecture for reliability and velocity, mentoring senior engineers, and engaging directly in critical implementation. The ideal candidate possesses 8-12+ years of experience driving cross-team technical impact and strong architectural judgment.
Staff Software Engineer, Full-stack
Onebrief is seeking Staff Software Engineers to solve challenging full-stack problems at the intersection of system design and product complexity, focusing on areas like real-time collaboration infrastructure and interactive planning UIs. This senior IC role involves leading multi-sprint initiatives, driving technical direction, improving system quality, and mentoring peers. Engineers will build across the stack using TypeScript/React/Node with backend systems like PostgreSQL, Redis, and Kubernetes.
Senior Product Engineer
World Labs is seeking a Senior Full Stack Product Engineer to build complex 3D web applications and backend generative AI services, bridging product development and engineering. Responsibilities include owning product features end-to-end, developing 3D graphics tools, and collaborating with researchers to implement cutting-edge AI. Candidates must have strong coding skills across the stack and proven experience in shipping successful products in fast-paced startup environments.
Product Engineer
The Product Engineer will own and lead engineering projects, working closely with design, research, engineering, and GTM teams to build a high-value customer platform. Key responsibilities include designing, developing, and maintaining critical platform features, ensuring high standards for scalability and security. This role requires strong technical expertise in full-stack development to deliver fault-tolerant code for large enterprise customers.
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Product Engineer, Agent Development Environment
Letta is seeking a Product Engineer to build, design, and define developer interfaces for their Agent Development Environment, SDKs, and Cloud Platform, focusing on transparency and control in AI agent development. Responsibilities involve working closely with designers and researchers to create visual interfaces for agent functionality and interfacing with the open-source community to improve the developer experience. Strong frontend (React) and full-stack skills are required to build applications that allow developers to deeply understand and interact with advanced AI agents.
Senior Backend Engineer at Center.app
Center.app is seeking a Senior Backend Engineer to architect and implement scalable, performant, and reliable backend systems for web3 tools. Key responsibilities include building and maintaining backend services, collaborating on feature launches, writing clean, tested code, and optimizing infrastructure. Candidates must have 6+ years of backend experience, proficiency in TypeScript/Node.js, and strong PostgreSQL skills.
Software Engineer
The Software Engineer will be responsible for framing and building high-value features and pieces of infrastructure for Dust's AI operating system. This involves engaging with a full-stack environment including technologies like TypeScript, React.js, Node.js, and Rust. Key responsibilities include owning critical features end-to-end, scoping technical projects, collaborating closely with users, and building systems designed for scale.
Software Engineer
Windmill is hiring a Software Engineer to help build their AI-powered performance review system, which aims to simplify and improve the review process for managers and employees. Candidates should be self-starters with experience in modern technologies, specifically Node.JS, TypeScript, and Postgres. This is an onsite role in New York City, requiring relocation for applicants.
Senior JavaScript Engineer (poland, Contract)
The role is for a Senior JavaScript Engineer based in Poland on a 6-month contract, working for a digital and AI engineering consultancy. Key responsibilities include designing and building applications using JavaScript, supporting component design and maintenance, and optimizing application performance. Candidates must be outcome-driven and proficient in English, possessing deep knowledge of the JavaScript language and essential experience with Node.js.