Workstream

Principal Engineer

Singapore
Level
Principal

Not stated in the posting: salary, work type, visa.

Open. First seen 27 October 2026.

About the role

Workstream is a mission-driven company building the all-in-one HR, payroll, and hiring platform for managing the hourly workforce. There are 2.7 billion hourly workers, making up 80% of the global workforce, but this market has been heavily underserved by technology and deserves better. Workstream has been purpose-built for the hourly workforce from day one so that these businesses and their employees can thrive.

Our customers include leading brands from multiple sectors, including Burger King, Carl's Jr./Hardee's, IHOP, KFC, and Culvers. We are a high growth series B company and quickly expanding our product portfolio to deliver on our vision. We are backed by legendary VCs and industry experts like Founders Fund, BOND, and Coatue.

Grow With Us

We are a team from UC Berkeley, Cornell, SJTU, Cambridge, NUS, with broad industry experiences from Tencent, Alibaba, Amazon, ByteDance, and more. Our engineering team is composed of passionate, driven, and talented engineers who focus on building and innovating cloud technology solutions that empower local businesses to thrive and better serve the deskless workforce in their communities. We are seeking a talented Principal Engineer to join our growing engineering team.

Day in the Life:

  • As a Principal Engineer, you will work with your squad team members (local + remote) to ensure that implementations are consistent with the overall Engineering team strategy.
  • You will work closely with the Engineering Manager on communicating tasks, challenges, and workflows across a globally distributed team.
  • You will contribute to the design and architecting of cutting-edge tools and technologies while maintaining the existing stack.
  • You will guide team development efforts toward successful sprint delivery.
  • You will maintain high software quality standards within the team by establishing good habits and practices.
  • You will provide technical leadership to team members through mentoring and coaching.

Who You Are:

  • 5+ years of industry experience as an individual contributor in full-stack web development
  • Advanced skills in JavaScript and Node JS or Ruby on Rails with 3+ years of experience with React or TypeScript.
  • Mobile and React Native experience is an asset.
  • 2+ years of experience with relational databases such as PostgreSQL.
  • 5+ years of experience building and maintaining RESTful APIs.
  • Experience developing and maintaining microservice-based systems is a bonus.
  • 2+ years of experience working in Agile software engineering methods and tools: Scrum, Jira, GitHub, DevOps, and software architectures that allow rapid iterations
  • Demonstrate an understanding of requirement management and roadmap development with product managers
  • Have a passion for effective collaboration within and between cross-functional teams, with a history of building influence with Product and Design
  • Familiarity with cloud technologies (AWS) and architectural patterns and their trade-offs
  • Experience working with globally distributed engineering teams across multiple timezones
  • Passionate to learn, understand, and dissect new technology stacks quickly on your own
  • Bachelor's degree from a four-year college or university; or equivalent training, education, and experience in information / cyber security, computer systems, IT, etc

Our tech stacks are:

  • Backend: Ruby on Rails (90%) / Nodejs
  • Frontend: React / Typescript
  • Database: PostgreSQL / MongoDB/ Redis
  • Infra: AWS / Terraform / Microservice / Protobuf / Kafka / Elasticsearch

What We Offer:

  • A mission-driven and value-based company dedicated to empower deskless workers and local businesses
  • An early employee opportunity at a Series B hyper-growth startup
  • Work with the founding team and industry veterans to accelerate your career
  • Competitive salary and equity
  • Comprehensive health coverage
  • In office amenities and stocked kitchen
  • Flexible PTO
  • Hybrid Office/WFH schedule

Know More About Workstream

  • https://www.workstream.us/blog/funding-series-b
  • https://techcrunch.com/2021/08/26/workstreams-text-based-recruitment-tool-gets-a-48m-bet-from-bond-and-beyond/
  • https://techbuzz.news/buzzworthy-august-27-2021/

Additional Information

Workstream provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

We are committed to the full inclusion of all qualified individuals.

What this role asks for

Particular to this role

Agile · Cybersecurity · Elasticsearch · Jira · Kafka · Node.js · gRPC

Rare in Workstream's other 8 open postings.

In most of Workstream's ads

AWS · JavaScript · MongoDB · PostgreSQL

Named in most of its open postings, whatever the role.

Compared with Workstream's other open jobs.

The team: Engineering

This role is one of 6 open in Engineering. 4 were posted in the last 30 days.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

AWS (6 of 6), JavaScript (6 of 6), MongoDB (6 of 6), PostgreSQL (6 of 6), CI/CD (4 of 6), Java (4 of 6), Next.js (4 of 6)

OTHER ROLES ON THIS TEAM

From the team and dates on Workstream's own job board.

Salary context

15 other open postings titled Principal Engineer state a salary: median USD 190,000 to USD 235,300 a year.

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