Offer summary

Qualifications:

3–5 years of full stack development experience in SaaS or enterprise environments., Proven skills in modern JavaScript frameworks like React and TypeScript, and backend services such as Node.js or Python., Experience working in fast-paced, agile startup teams and distributed cultures., Strong understanding of RESTful APIs, relational databases, and secure, scalable code writing..

Key responsibilities:

Design, develop, and maintain core platform features across frontend and backend.

Collaborate with cross-functional teams to deliver seamless user experiences.

Participate in code reviews, sprint planning, and daily standups.

Optimize platform performance, security, and data integrity for global use.

Job description

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

Required profile