Product Manager, Agent Development
The Product Manager for Agent Development will partner with engineers and customers to build and ship AI agents capable of handling high volumes of customer conversations. Key responsibilities include engaging with customers to assess requirements, presenting demonstrations, and shaping the product roadmap based on customer needs. The role requires strong experience in product development for highly technical products and the ability to communicate complex technical concepts effectively.
Senior Backend Engineer
Macroscope is seeking an exceptional Senior Backend Engineer to build core features for their platform, focusing on backend services, the API layer, and infrastructure. Responsibilities include contributing to and leading projects, alongside developing AI systems that power customer features. The role requires extensive experience with distributed back-end services and working closely with founders and designers in a small, flat startup environment.
Senior Software Engineer, Frontend (bucharest/ Cluj)
Cresta is seeking a Senior Software Engineer with a focus on Frontend development to join their new tech hub in Romania. The role involves shaping the future of customer engagement by building a Customer Data Platform and visualizing insights, working across both frontend and backend to deliver scalable, high-quality applications.
Backend Engineer
The Backend Software Engineer will be responsible for designing, building, and maintaining server-side components using Node.js and TypeScript, closely collaborating with cross-functional teams. Key responsibilities include designing APIs, modeling data with Supabase/PostgreSQL, and deploying/managing services on GCP. The role also requires ensuring code quality through testing and implementing secure-by-default solutions.
Engineering - Backend
Turnkey is seeking experienced backend engineers to design and build secure, scalable key management systems for the Web3 ecosystem. Responsibilities include developing signing infrastructure inside secure computing environments, writing internal specifications and documentation, and designing/building new product features end-to-end. Candidates must have 5+ years of production engineering experience with strong fundamentals in systems building, ideally using Go, TypeScript, or Rust.
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Empirical - Freelance Tech Interviewer
The Freelance Technical Interviewer will join a community of senior engineers to assess candidates' technical depth, communication, and engineering quality for fast-moving, AI-driven startups. Responsibilities include conducting structured technical and behavioral interviews using standardized guides and providing written feedback. This role is ideal for senior professionals seeking flexible, remote work focused on identifying and nurturing exceptional talent.
Senior / Software Engineer, Platforms & Productivity
This role involves designing and building scalable and resilient systems, as well as developing developer productivity tooling for Cloudflare's platform. Engineers are expected to balance software engineering tasks with DevOps operational responsibilities to ensure efficient and safe software release processes. Key activities include hardening the platform, improving GitOps, optimizing resource management, and driving initiatives to enhance the overall developer experience.
Senior Software Engineer, Uk
The Senior Software Engineer in the UK team will build and refine core patient access workflows, balancing robust, scalable systems with local regulatory needs. Key responsibilities include collaborating cross-functionally, running data-informed experiments to improve conversion funnels, and extending the core platform for UK-specific journeys. Success requires translating complex technical concepts for non-technical partners to accelerate delivery and improve patient outcomes.
Senior Software Engineer, Full-Stack
The Senior Software Engineer will play a key role in the software development life cycle for the Factory Platform team, developing applications used for planning and scheduling purchasing and manufacturing operations, and analyzing test data. This role requires developing quality software following agile practices and working directly with users to implement solutions. Technologies utilized include Python, React, Typescript, Go, and various data/cloud tools.
Senior Software Engineer - Backend - Message Security Detection
The Senior Software Engineer will enhance the speed and quality of detection systems development by building and maintaining backend pipelines for processing customer feedback and supplying accurate data for ML models. Key responsibilities include automating backend processes, developing systems for enhanced data quality, and collaborating cross-functionally. Candidates must have 8+ years of production-level backend experience, proficiency in Python/Golang, React/Typescript, and Postgres, along with strong problem-solving and leadership abilities.
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Senior Software Engineer, Web Infrastructure
The Senior Software Engineer will design, build, test, deploy, and maintain tooling to increase engineering velocity and product quality for web applications. This role involves working across the full stack to identify pain points, improve development experience, and mentor fellow engineers on best practices. The ideal candidate possesses expertise in web technologies, build systems, and developer workflows, combined with high empathy for fellow engineers.
Software Engineer, Growth
Ambrook is hiring a Senior Growth Engineer to partner with the Head of Growth to accelerate user acquisition and expansion strategy. Key responsibilities include developing high-impact A/B tests, optimizing conversion funnels, and building instrumentation to track key growth metrics. The role requires translating technical concepts and balancing quick iterations with scalable solutions for rapid growth.
Senior Developer Success Engineer
The Senior Developer Success Engineer at Temporal will serve as the frontline technical expert, assisting developers in deploying and scaling Temporal in cloud-native environments. Key responsibilities include troubleshooting complex infrastructure issues, optimizing performance, and developing automation solutions across AWS, GCP, Kubernetes, and microservices. This role requires strong programming skills in Go, Python, and Java, focusing on improving developer experience and reliability in distributed systems.
Senior Front-end Engineer
The Senior Front-End Engineer will drive the development of high-performance web and desktop applications, focusing on scalability and real-time communication efficiency. Key responsibilities include designing and developing applications using React, Vite, and Electron, optimizing real-time systems via WebSockets/MQTT, and building reliable CI/CD pipelines. The role also requires architecting complex state management solutions and providing technical mentorship to other engineers.
Senior Full-Stack Engineer, Observability & Evals Platform (langsmith)
LangChain is seeking a Senior Full Stack Engineer to shape the technical direction of its commercial product, LangSmith, an observability and evals platform. Key responsibilities include leading technical architecture and implementation across the Go, Python, and Typescript stack, collaborating with product/design teams, and mentoring junior members. Success requires 7+ years of experience in complex platform products, including fullstack experience with Go/Python and React/Typescript.
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Senior Software Engineer
The Senior Software Engineer will fully own the full-stack monorepo, ensuring engineering team velocity while scaling operations. Key responsibilities include designing and developing customer-facing applications and internal tools, and driving architectural decisions vertically across the stack in collaboration with domain experts. This role requires a proactive individual to play a leadership role by innovating and maintaining a culture of excellence.
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
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.