Hybrid Lead Developer – Full-Stack

at Weekday (YC W21)

• Job title: Lead Developer – Full-Stack
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: No Education Requirement
• Tech skills: AWS, Azure, Cloud, Cyber Security, Flutter, Google Cloud Platform, JavaScript, Node.js, Python, React, React Native, TypeScript
• Location requirements: Hybrid, Hyderabad, India

About the role

• Hands-on technical leader designing and developing AI-native SaaS applications. Engaging with global clients and guiding teams in delivering scalable solutions.

Responsibilities

• Architect and implement full-stack solutions—including SaaS platforms, marketplaces, web applications, and mobile apps—from start to finish.
• Lead engineering teams of 3 to 6 members, enhancing code quality, managing delivery schedules, and fostering technical growth.
• Engage directly with international clients through video conferencing, presentations, and written communication to build trust and alignment.
• Convert complex business problems into clear, scalable technical designs and solutions.
• Integrate AI tools throughout the software development lifecycle, including code generation, testing, documentation, and deployment.
• Create AI-enhanced product features utilizing large language models (LLMs), retrieval-augmented generation (RAG) architectures, agentic AI patterns, and frameworks such as LangChain and LangGraph.
• Manage integration of payment gateways, design pricing strategies, and oversee subscription billing within client products.
• Advocate for cybersecurity best practices—ensuring products are protected against OWASP Top 10 vulnerabilities, enforcing secure authentication methods, and maintaining data protection standards.
• Maintain rigorous focus on code quality, performance optimization, and security in all deliverables.
• Conduct internal training sessions to upskill team members on emerging technologies, AI tools, and industry best practices.
• Participate in marketing and thought leadership by producing technical content, demos, and case studies.
• Research and assess new technologies, proposing initiatives that enhance delivery processes or unlock new opportunities.

Requirements

• Over 6 years of full-stack development experience with a strong track record of shipped products.
• Proven leadership of teams ranging from 3 to 6 engineers, successfully delivering projects end-to-end in startup or fast-paced environments.
• Expertise in modern web and mobile technologies, including React, Python, Node.js, TypeScript, React Native or Flutter, and cloud platforms such as AWS, GCP, or Azure.
• Strong knowledge of database design, API architecture, and common SaaS/marketplace platform patterns.
• Demonstrated ability to design and architect scalable, production-ready systems.
• Excellent communication and presentation skills, comfortable engaging with clients through calls, whiteboard sessions, and stakeholder demonstrations.
• Proven history of delivering high-quality, reliable solutions to global (Western) customers.
• Self-motivated with a research and development mindset—actively seeking solutions, proposing ideas, and driving innovation.
• Deep understanding of LLMs, generative AI, and agentic AI concepts, including retrieval-augmented generation, context and memory management, prompt engineering, and AI service pricing models.
• Experience with payment gateway integrations (e.g., Stripe, Razorpay) and developing pricing and subscription architectures.
• Strong cybersecurity awareness, including secure coding practices, vulnerability assessments, OWASP Top 10 knowledge, and data protection compliance.
• Hands-on experience utilizing AI-driven development workflows, such as code assistants, automated testing, and AI-powered tooling.
• A sociable and energetic team player who thrives in high-pressure environments and brings enthusiasm to the team.