Role Overview
Spark Eighteen is hiring a Full Stack Engineer(React.js) -Senior II. This is a full-time role in IN. Part of Spark Eighteen's Frontend hiring, posted 4 days ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
This is a remote position.
We are looking for a Full Stack Engineer(React.js) -Senior II to help build a world-class UI/UX for our platform using React, TypeScript, and Asterisk, our custom design system. This role is ideal for someone who combines strong technical expertise with a deep focus on customer experience, code quality, and scalable architecture. You will play a key role in crafting clean, maintainable, secure, and high-performing front-end solutions while modernizing existing codebases to improve performance and development velocity.
You will collaborate closely with cross-functional stakeholders to solve complex engineering challenges, build reusable and responsive UI components, manage application state, optimize performance, and contribute to API design where needed. We are looking for a proactive problem-solver who thrives in dynamic environments, values feedback and collaboration, and is excited to contribute to a passionate, high-performing team building impactful products.
Requirements
- 6+ years of experience shipping enterprise-grade products
- 6+ years of extensive hands-on experience and strong proficiency in JavaScript, TypeScript, React, and CSS
- Experience building highly reusable UI components and writing comprehensive unit and integration tests
- Experience with API design and development
- Experience working with modern software engineering development and automation tools such as Git and CI/CD pipelines
- Strong problem-solving skills with the ability to dive deep, experiment, learn quickly, and independently drive solutions
- Demonstrated ability to translate complex business requirements into elegant, user-centric software solutions
- Ability to work flexibly with UI/UX specifications and requirements, delivering precise behavior, look and feel, and contributing to the creation of supporting backend APIs
- Experience as a meaningful contributor to data-driven architectures at scale
- Humble yet opinionated mindset, with the ability to adapt when better solutions emerge
- Active collaborator who seeks and provides feedback early and often, and thrives in a team-oriented development process
- Comfortable working both independently and within a collaborative team environment
- Ability to make measurable progress in dynamic environments with competing priorities
- Excellent written and verbal communication and interpersonal skills
- Experience with AI technologies such as CoPilot, Cursor, MCP servers, agentic platforms, or similar tools
- Experience with Node.js, Tailwind, TanStack, Zod, and Vue
- Experience in the no-code/low-code industry
- A degree in Computer Science or Software Engineering
- Experience working with custom design systems and accessibility best practices
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
Frequently Asked Questions
How do I apply for the Full Stack Engineer(React.js) -Senior II position at Spark Eighteen?
Use the Apply button above to submit your application directly to Spark Eighteen. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Full Stack Engineer(React.js) -Senior II position at Spark Eighteen located?
This position is based in IN. Spark Eighteen has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Full Stack Engineer(React.js) -Senior II at Spark Eighteen earn?
Spark Eighteen has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Full Stack Engineer(React.js) -Senior II role at Spark Eighteen posted?
This role was posted on June 11, 2026 (4 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Full Stack Engineer(React.js) -Senior II role at Spark Eighteen require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Spark Eighteen lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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