Fullstack Engineer - Senior

Company : Spark Eighteen

Job Description - Fullstack Engineer - Senior

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

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Fullstack Engineer - Senior

Job Description - Fullstack Engineer - Senior

Requirements

Benefits

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