Senior Full-Stack Engineer, Frontend
Alt is seeking a Senior Fullstack Engineer specializing in Frontend/React Native to lead the development of their flagship mobile application. This high-impact role involves owning the mobile experience end-to-end, leading the React Native platform (build systems, CI/CD, performance), and working across various product domains like Auctions and Payments. The ideal candidate will also mentor engineers, shape technical direction, and contribute to backend systems (Python/FastAPI/Postgres).
Tech Lead (node&react) - Serbia
The role seeks an experienced Tech Lead to own the technical buildout and direct a small engineering team (3-7 people) focused on custom web application development. Responsibilities include managing engineers, owning software architecture, ensuring technical delivery, and collaborating with Product and Design leads. Candidates should have significant experience in engineering (6+ years) and Node.js/React development, along with strong leadership capabilities.
Tech Lead (node&react) - Portugal
The role seeks an experienced Tech Lead to own the technical buildout, architecture, and infrastructure for product development projects. Responsibilities include leading, mentoring, and managing a team of 3-7 engineers, while being a hands-on contributor ensuring technical delivery aligns with client objectives. The position requires strong technical expertise combined with leadership capabilities to drive technical direction and process improvement within small, dedicated product teams.
Backend & Frontend Developer
The role involves building the core platform for Base360.ai, an intelligent automation engine, covering both backend services/APIs and frontend control interfaces. Key responsibilities include designing scalable backend services, developing responsive frontend tools, implementing event-driven automation workflows, and integrating external platforms like Stripe and Twilio. The ideal candidate should be passionate about system design and comfortable working across the full stack to deliver robust, production-ready solutions.
Senior Backend & Frontend Engineer
Base360.ai is seeking a Senior Backend & Frontend Engineer to architect and scale the core automation platform systems. Key responsibilities involve designing and building core APIs and backend services, developing scalable microservices, owning the frontend experience, ensuring system reliability, and integrating third-party services. The ideal candidate is passionate about automation, distributed systems, and building high-performance software end-to-end.
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Senior Full-Stack Developer, Data Foundations
This Senior Fullstack Developer role supports Fullscript's Data Foundations team, focusing on building the reliable backbone of the data ecosystem, including services, models, and tooling. Responsibilities involve designing backend services for data ingestion and profile creation, developing reusable SDKs and packages, and building internal fullstack workflows to enhance data understanding and trust. The position requires 5+ years of software development experience with a strong focus on backend/fullstack systems and proficiency in languages like Ruby.
Full-Stack Engineer
This key individual contributor role seeks a Senior Full-Stack Developer passionate about building high-quality software using a 50/50 split of backend and frontend technologies. Responsibilities include building and maintaining Ruby-based microservices and APIs while also developing modern React-based single-page applications. The developer will take feature ownership from conception to deployment, contribute to design, write comprehensive tests, and occasionally manage CI/CD pipelines.
Full-Stack Engineer
We are looking for a Senior Full-Stack Developer to build high-quality software, balancing backend (Ruby microservices/APIs) and frontend (React SPAs) development. Key responsibilities include designing and building features from conception to deployment, writing comprehensive tests, and contributing to technical design discussions. The role requires a high degree of autonomy, strong collaboration, and eagerness to adapt and learn.
Forward Deployed Engineer
HappyRobot is seeking a Forward Deployed Engineer in Mexico to bridge technical expertise with customer needs, focusing on onboarding, implementation, and support for their AI platform. The role involves full-stack development using React, TypeScript, Node.js, and Python, alongside building and iterating on AI/ML solutions including LLM prompting. This position requires strong technical skills, excellent communication, and the ability to manage multiple projects under tight deadlines in a fast-paced startup environment.
Senior Full-Stack Engineer (pythonts, AI Project)
The role is for a Senior Full Stack Engineer to design and deliver core functionality for a large-scale web application using React/TypeScript, Python/FastAPI, and PostgreSQL. Key responsibilities include leading architectural planning, implementing full-stack features, and building a sophisticated multi-LLM orchestration layer. Candidates must have advanced proficiency in the core stack and proven ability to architect systems and communicate technical decisions clearly.
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Engineer, Backend (events Team)
This role is for a Backend Engineer joining the Events Team at Zapier to build and enhance foundational event and queuing services. Key responsibilities include working with scalable event systems based on technologies like Kafka and AWS, and developing tooling to support internal teams. The engineer will be involved in maintaining highly available cloud infrastructure and ensuring system reliability through best practices and on-call rotation.
Senior Full-Stack Engineer - Developer API, Poe (remote)
This Senior Full Stack Engineer role contributes to Quora's Poe product, focusing on enhancing the Developer API and enabling third-party developers through new features and usage insights UIs. Responsibilities involve partnering with cross-functional teams to shape the product roadmap, rapidly prototyping features across the stack, and ensuring scalable, reliable API functionality. The engineer will be critical in planning and implementing new product features, championing developer experience, and participating in on-call duties for the high-quality product.
Staff Software Engineer (contract to Hire)
Sully.ai is seeking a Staff/Principal-level full-stack engineer to build and scale AI teammate products using TypeScript/React and Python services. Key responsibilities include designing core components, optimizing performance, and integrating LLMs into production workflows. This role requires proven expertise in LLM application scaling, API design, and strong cloud infrastructure background, operating under a high-performance contract-to-hire structure.
Director, Engineering (platform, Seceng, Data Science/AI)
This Director of Engineering role focuses on leading and elevating Procurify's Platform Engineering, Security Engineering (SecEng), and Data Science & AI pillars. Key responsibilities include defining technology strategy, building scalable foundations, ensuring platform security and reliability, and driving innovation through data and AI initiatives. The successful candidate will be a hands-on leader responsible for mentoring teams and executing a multi-year roadmap for modernization.
Lead Architect
The Lead Architect will define the next generation of Procurify’s cloud, data, and AI platforms, focusing on system design, platform scalability, and data intelligence to ensure resilience and AI-readiness. Key responsibilities involve architectural leadership, partnering with product and engineering leadership to align architecture with business strategy, and mentoring senior engineers. This high-impact technical role requires deep technical expertise combined with system-level thinking to drive architectural vision and foster innovation.
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Software Engineer
Maki is seeking a fast-moving, product-minded full-stack engineer to take ownership over the full lifecycle of their AI products. Responsibilities include scoping and leading technical projects, building reliable AI agent systems, and leveraging the latest advancements in LLMs and vision models. The role requires strong autonomy and a desire to contribute significantly to building the company's technology and culture from the ground up.
Principal Software Development Engineer, Navigation
The Principal Software Development Engineer will lead technical excellence and innovation for the Navigation organization, defining the technical vision for all Navigation products. This strategic role involves designing and building large-scale distributed systems from the ground up, driving development with cross-functional partners, and mentoring a global team of engineers. Key responsibilities include setting the long-term technical roadmap, promoting innovation, and advocating for customer needs through direct engagement.
Software Engineer
The Software Engineer will be responsible for performing application design, development, and production support activities to meet business needs. Key technical responsibilities include developing front-end applications using React, implementing state management with Redux, and converting UI/UX designs into responsive web pages using HTML, CSS, SCSS, JavaScript, and TypeScript. The role requires integrating APIs based on Python using Axios and GraphQL, as well as optimizing system performance and performing unit testing with Jest.
Engineering Manager
The Engineering Manager will lead a core product engineering team, balancing leadership, mentorship, and hands-on contribution across data engineering workloads, including AI-powered systems. Key responsibilities involve managing the team's delivery, owning technical quality, contributing to architecture for data pipelines, and integrating modern AI codegen tools into production workflows. This role reports directly to the CTO and CEO and involves significant ownership over roadmap planning and hiring as the team scales.
Full-Stack Product Software Engineer, Core Web Experience
The Core Web Experience team is focused on integrating Dash's AI capabilities (like Chat) into the FSS product for 2026, aiming to add contextual value and drive engagement. Responsibilities include developing these integrations, simplifying core jobs like search and file actions, and building a reliable foundation for content handling. Engineers will collaborate cross-functionally and ship frequently in a fast-paced environment.