Senior Software Architect

About the Role

Key Responsibilities

• Lead end-to-end system architecture, including system design, APIs, data models, security, scalability, observability, and cost optimization.
• Own the production performance and reliability of systems serving large user bases.
• Design secure solutions involving healthcare data, Protected Health Information (PHI), and payment workflows.
• Architect applications using the MERN stack (MongoDB, Express.js, React, Node.js) and modern cloud infrastructure.
• Work with AWS, GCP, or Azure, along with Kubernetes, CI/CD, Infrastructure as Code (IaC), networking, and secrets management.
• Drive decisions on microservices, event-driven systems, integrations, and build-versus-buy strategies.
• Identify and resolve production bottlenecks across performance, scalability, and availability.
• Establish engineering standards, reference architectures, and reusable design patterns.
• Participate in coding, architecture discussions, design reviews, and code reviews.
• Mentor senior engineers and develop future technical leaders.

Required Qualifications

• 8+ years of professional software engineering experience with strong system design and architecture ownership.
• Proven production experience running a system with a minimum of 100,000 users (mandatory).
• A strong track record of identifying and solving major production bottlenecks at scale.
• Strong hands-on experience with Node.js and React; MERN stack experience preferred.
• Experience in cloud architecture using AWS, GCP, or Azure.
• Experience in healthcare, payments, fintech, banking, insurance, or other security-critical domains.
• Deep understanding of distributed systems, APIs, databases, scalability, and reliability.
• Excellent communication skills and the ability to explain and justify technical decisions.

Good to Have

• Experience with HIPAA, PHI, or PCI-DSS compliance.
• Familiarity with Stripe, Braintree, tokenization, or payment processing systems.
• Experience with microservices, event-driven architecture, and high-availability systems.
• Background in SaaS, consulting, or venture-studio environments.
• Experience with AI-assisted development tools such as Claude Code, Cursor, and GitHub Copilot.

Why Join Techdome?

• Build real products in healthcare, fintech, AI, and SaaS used by customers worldwide.
• Own architecture decisions with direct impact on production systems.
• Shape the engineering standards of an 80+ member team.
• Join a profitable, stable, product-focused organization with minimal bureaucracy.