Tech Lead Engineer (Full Stack & LLM Systems)

At Talkspace, we are committed to fostering a diverse, equitable, inclusive, and belonging-centered workplace where everyone can thrive while making a difference in mental health. Want to help over two million people receive quality mental healthcare? Come join our mission of getting therapy in the hands of everyone!

Our engineering team is looking for a Technical Lead Full Stack Engineer. This role is responsible for leading a team of software engineers to design, build, and maintain technical architecture. This includes architecting LLM-driven workflows, implementing safety and guardrail systems, developing scalable backend and frontend components, and ensuring high engineering standards. The Tech Lead conducts code reviews, manages project execution, and partners closely with cross-functional teams to deliver reliable, production-ready features.

This is a hybrid position based in NYC.

What You’ll Do

Leadership and Team Management

• Lead and mentor engineers, providing coaching, guidance, and technical support.
• Foster a collaborative and transparent team culture that encourages learning and knowledge sharing.
• Delegate tasks based on skills and project needs, ensuring effective execution.
• Communicate clearly across the team and cross-functional stakeholders.

Technical Guidance

• Serve as the primary architect for LLM and agentic system components, including orchestration pipelines, function-calling, evaluation systems, and safety layers.
• Conduct code reviews and ensure adherence to engineering standards and best practices. 
• Troubleshoot technical issues and drive solutions to complex engineering challenges.
• Oversee system maintenance, updates, and monitoring to ensure system health and reliability.

AI Platform Leadership

• Design scalable and maintainable AI system architectures incorporating LLMs, vector databases, and tool-calling workflows.
• Ensure responsible AI practices, including transparency, security, HIPAA compliance, and safe model behavior.
• Stay current on industry trends and evaluate emerging technologies for potential adoption.

Project Management & Collaboration

• Oversee project planning, execution, and delivery for full-stack and AI-related initiatives.
• Collaborate with product management, design, clinical, and data teams to define requirements.
• Communicate project risks, blockers, and needs proactively to stakeholders.

About You 

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 7+ years of professional software development experience.
• 2+ years working with LLMs, orchestration frameworks, vector stores, or agentic systems.
• Experience designing distributed systems and building production-grade web services.
• Proficiency in backend (Node.js/Python), frontend frameworks, and cloud infrastructure.
• Experience mentoring engineers and leading technical initiatives.

Benefits 

• Comprehensive Medical, Dental and Vision plans coverage since day one
• Pre-tax benefits: HSA/ FSA
• 401k Retirement Savings Program with matching up to 4%
• Voluntary benefits including disability, basic life or pet insurance, etc.
• Monthly Wellness Stipend to promote mental and physical self-care
• Flexible PTO and Remote First Environment
• Regular team events, including Wellness Workshops and Team Building Events
• Free access to Talkspace products for you and one household member, as well as access to a friends and family discount! 

Compensation

At Talkspace, we believe that pay transparency during the interview process is a critical part of diversity, equity, and inclusion. Our salary bands are based on internal and external compensation benchmarks, which we regularly evaluate to ensure we pay competitively.

The base salary range for this role is between $160,000 and $200,000. Within the salary bands, leveling corresponds to each candidate’s relevant experience, skills as assessed during the interview process, education, and applicable certifications. 

Why Talkspace? 

Talkspace is the world’s leadi