The Role
Build and ship scalable production web applications across the frontend and backend using React, TypeScript, Node.js, and PostgreSQL. Develop responsive interfaces, APIs, backend services, authentication, and role-based access control. Integrate LLM capabilities, write automated tests, manage deployments and CI/CD, troubleshoot production issues, and work with AWS, Docker, infrastructure-as-code, and monorepos.
Summary Generated by Built In
We are seeking a Full Stack Engineer with 6+ years of hands-on experience in building production web applications. The ideal candidate will have strong expertise in React, TypeScript, Node.js, and PostgreSQL, along with experience in scalable UI development, backend services, APIs, cloud platforms, and CI/CD. You will work closely with engineering teams to build and deliver reliable, scalable features across the stack while contributing to AI/LLM integrations, testing, deployments, and production troubleshooting.
Requirements
- 6+ years of experience building production web applications, with frontend as the primary strength and solid backend experience.
- Strong proficiency in React, TypeScript, and Node.js, with experience building and shipping features independently across the stack.
- Experience with modern frontend development, including state management, API integration, form validation, responsive UI, and component/design systems.
- Strong backend experience with NestJS/Express/Fastify, PostgreSQL, ORM tools, and database migrations.
- Experience with authentication, authorization, and role-based access control.
- Hands-on experience integrating LLMs into production applications, including prompts, function calling, streaming, and basic retrieval concepts.
- Working knowledge of AWS, Docker, CI/CD, and Infrastructure-as-Code, with the ability to troubleshoot production issues and deployments.
- Comfortable working in monorepos and writing automated tests as part of development.
Benefits
- Comprehensive insurance coverage that gives you peace of mind, so you can focus on doing your best work
- Flexible work arrangements designed to support sustained productivity, personal well-being, and work-life balance
- Continuous learning and accelerated skill development through hands-on projects and mentorship from experienced industry leaders
- Global client exposure across 20+ countries, offering real-world experience with diverse markets and business environments.
- Opportunity to work on high-impact, large-scale projects that have collectively generated over $1B in measurable business value
- Competitive, market-aligned compensation packages that recognize performance, expertise, and long-term contribution
- Monthly demo days that celebrate innovation, showcase your work, and give you a real voice in what we build
- Annual recognition programs and performance-driven awards in a truly meritocratic environment
- Referral bonuses that reward you for helping grow a strong, like-minded team
- A strong problem-solving culture with opportunities to tackle meaningful, real-world challenges
- A positive, people-first workplace that supports happiness, balance, and long-term growth
Skills Required
- 6+ years of experience building production web applications
- Strong proficiency in React, TypeScript, and Node.js
- Frontend development experience with state management, API integration, form validation, responsive UI, and component or design systems
- Backend experience with NestJS, Express, or Fastify; PostgreSQL; ORM tools; and database migrations
- Experience with authentication, authorization, and role-based access control
- Hands-on experience integrating LLMs into production applications, including prompts, function calling, streaming, and basic retrieval concepts
- Working knowledge of AWS, Docker, CI/CD, and infrastructure-as-code
- Ability to troubleshoot production issues and deployments
- Comfort working in monorepos and writing automated tests
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The Company
What We Do
Spark Eighteen is a Delhi-based design and technology studio that builds scalable software products and digital solutions end to end. Its capabilities include AI and machine learning, web and application development, digital marketing, UI/UX and graphic design, content creation, and related brand-management services. The company works with founders, startups, and enterprises, combining global engineering and design talent to deliver impactful products and technology services.
