Full Stack Software Engineer
We’re hiring a Full Stack Software Engineer to join our growing global team at Helios, an early-stage HR tech SaaS startup revolutionizing how businesses manage global payroll, HCM, and workforce operations.
As a full stack developer, you’ll work across the stack on critical platform features—from backend APIs to frontend UI—helping to shape scalable, enterprise-grade systems with a strong focus on automation, AI integration, and high-performance architecture. You’ll collaborate closely with product managers, designers, and other engineers in a fast-paced, highly agile startup environment.
What You’ll Do
- Design, develop, and maintain core platform features across the frontend and backend
- Contribute to technical decisions around architecture, scalability, and reliability
- Collaborate with product, design, and QA teams to deliver seamless user experiences
- Write clean, reusable, and testable code (unit, integration, and E2E testing)
- Participate in code reviews, sprint planning, and daily standups
- Help optimize platform performance, security, and data integrity for global use
- Contribute ideas to improve platform usability, automation, and developer workflows
Tech Stack We Use
- Frontend: React, TypeScript, Next.js
- Backend: Node.js, Python, Express, PostgreSQL, REST APIs, GraphQL
- DevOps: AWS, Docker, CI/CD (GitHub Actions), Kubernetes (bonus)
- Other: Jira, Git, Figma, Notion
What You’ll Bring
- 3–5 years of experience in full stack software development in SaaS or enterprise environments
- Proven experience with modern JavaScript frameworks (React/TypeScript) and backend services (Node.js or Python)
- Experience working in fast-paced, early-stage startups and agile teams
- Strong understanding of RESTful services, relational databases, and API design
- Comfort working in a distributed, async-first culture
- Ability to write maintainable, scalable, and secure code in a high-growth environment
- Excellent communication and cross-functional collaboration skills
Nice to Have
- Experience building HRIS, global payroll, or compliance-driven platforms
- Exposure to cloud platforms (AWS preferred)
- Experience working with authentication/authorization (OAuth, SSO, etc.)
- Familiarity with internationalization (i18n), role-based access control, or GDPR compliance