Principal Software Engineer

About the company

A rapidly growing SaaS business is seeking to expand its engineering team. They serve enterprise customers at scale and are building features that matter to millions of users worldwide. You’ll be joining a company where innovation, growth and doing things differently are strongly encouraged.

The role

As a Principal Full Stack Engineer, you will be instrumental in shaping the evolution of our product, working across front-end and back-end systems. You’ll collaborate with product, design, and other engineers, drive technical excellence, and help influence the technical roadmap and engineering culture.

Key responsibilities

• Deliver high-quality features for our SaaS product, from front-end to back-end.
• Provide technical leadership to engineers across the stack, mentoring and helping drive best practices.
• Work with senior stakeholders to shape and execute the technical roadmap, aligning with business goals.
• Contribute to developer community building: guilds, knowledge-sharing, process improvement.
• Participate actively in sprint planning and execution, ensuring reliable delivery of incremental improvements.
• Document technical decisions, maintain strong automated testing, CI/CD pipelines and scalability focus.

What we’re looking for

Essential

• Back-end: Strong experience developing micro-services with Node.js; familiarity with REST, GraphQL, asynchronous messaging and JSON data formats.
• Front-end: Experience in building web apps with React, Redux and TypeScript.
• Experience working with NoSQL databases (e.g., MongoDB) and search technologies (e.g., Elasticsearch or similar).
• Solid understanding of automated testing (unit, integration) and working with CI/CD pipelines.
• Excellent communication skills, leadership/mentoring experience and comfort working in a remote, collaborative environment.
• Pragmatic problem-solver, adaptable to change and passionate about improving ways of working.

Desirable

• Familiarity with AWS services (e.g., SNS/SQS, S3, CloudFormation) and DevOps practices.
• Experience with containers and orchestration (Docker, Kubernetes, AWS ECS).
• Experience with end-to-end testing tools (e.g., Cypress).
• Comfortable working in an agile environment, delivering features for enterprise-grade clients, with configurability and scalability at the heart.