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Join to apply for the Senior Software Engineer role at Helicone (YC W23) Join to apply for the Senior Software Engineer role at Helicone (YC W23) Get AI-powered advice on this job and more exclusive features. This range is provided by Helicone (YC W23). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $130,000.00/yr - $180,000.00/yr As a Senior Engineer at Helicone.ai, you will take on a leadership role within the engineering team, driving technical excellence and delivering impactful solutions that enhance the LLM developer experience. This role offers the opportunity to shape the future of AI observability while mentoring others and solving complex technical challenges in a fast-paced, collaborative environment. Key Responsibilities Architect and Develop Solutions: Design and implement scalable systems that enhance the performance, reliability, and usability of Helicone’s platform. Lead Backend Development: Oversee core services, including: Frontend services (**Node.js**) Proxy worker (**Wrangler/Cloudflare**) Application database (**Supabase**) Analytics database (**ClickHouse**) Optimize data pipelines to handle large-scale, real-time observability workloads. Mentor and Guide the Team: Provide technical mentorship to junior engineers, fostering a culture of learning and growth. Drive Technical Excellence: Advocate for best practices in code quality, testing, and architecture to ensure maintainable and efficient systems. Collaborate Across Teams: Work with product managers, designers, and community contributors to develop features, integrations, and documentation. Contribute to the Community: Engage with Helicone’s open-source community to gather feedback, improve the platform, and foster innovation. Required Skills Strong TypeScript Expertise: Deep experience working with TypeScript, which constitutes the majority of Helicone's codebase. Database Proficiency: Experience with SQL databases and tools like ClickHouse, Supabase, and Postgres. Cloud and Deployment: Familiarity with Kubernetes, Cloudflare Workers, Docker, and cloud platforms like AWS or GCP. Leadership and Mentorship: Proven ability to guide and mentor engineers, fostering growth and collaboration. Problem Solving at Scale: Experience designing systems to handle high-throughput, real-time data processing. AI and LLM Knowledge: Familiarity with LLMs, their APIs, and the current AI landscape. Adaptability and Ownership: A proactive mindset with the ability to own and deliver on complex projects end-to-end. Helicone Tech Stack Languages: TypeScript, Python Frameworks: Next.js, Tailwind CSS, Express, ShadCN Hosting: Kubernetes, AWS, GCP, Vercel, Supabase Services: Docker, Postgres, ClickHouse, Cloudflare Workers, Redis Developer Tools: Unix, CLI, git LLMs: OpenAI, Anthropic, Gemini, TogetherAI, and more Why Join Helicone? As a Senior Engineer, you’ll play a pivotal role in shaping Helicone’s technical vision and scaling its impact. You’ll be part of a tight-knit, ambitious team in San Francisco , working on cutting-edge technology at the forefront of AI observability. Technical Leadership: Your expertise will guide the team, influence architecture decisions, and ensure the platform's success. Collaboration and Impact: Work closely with founders, engineers, and the community to drive meaningful improvements. Dynamic Culture: Weekly team lunches, monthly hackathons, and an environment where innovation thrives. Career Growth: Opportunities to lead, mentor, and work on groundbreaking AI challenges in a high-growth startup. If you’re excited about solving complex technical problems, mentoring others, and driving the future of AI observability, we’d love to hear from you. Join Helicone and make a lasting impact! Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at Helicone (YC W23) by 2x Sign in to set job alerts for “Senior Software Engineer” roles. 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