Senior Product Engineer – AI-Powered SaaS Apps

NSEC, S.A.; Portugal; On-site; EUR 45,000 - 65,000; Full time

Job summary

Bitsight is seeking a Senior Product Engineer II for Apps in Portugal to partner with customers, PMs, and designers to design, build, and ship scalable SaaS solutions in a cloud environment using Python, React, SQL/NoSQL, and Kubernetes. You will drive end-to-end outcomes with a strong emphasis on AI-assisted development and product impact.

You will own the problem from discovery through production, ensuring quality, velocity, and measurable business value while mentoring other engineers and

Qualifications

• 5+ years of professional software engineering experience, owning a product surface end-to-end.
• Experience with distributed SaaS platforms at scale.
• Ability to partner with product managers, designers, and customers.

Responsibilities

• Own problem discovery and drive design-to-production.
• Ship AI-assisted features ensuring architectural integrity.
• Collaborate across teams in a fast-paced SDLC.
• Mentor junior engineers.

Skills

Distributed Systems

AI-Accelerated SDLC

Product Discovery

CS Fundamentals

Mentoring

Senior Engineer

Tools

Python

React

Kubernetes

SQL/NoSQL

Job description

Bitsight is seeking a Senior Product Engineer II for Apps in Portugal to partner with customers, PMs, and designers to design, build, and ship scalable SaaS solutions in a cloud environment using Python, React, SQL/NoSQL, and Kubernetes. You will drive end-to-end outcomes with a strong emphasis on AI-assisted development and product impact.

You will own the problem from discovery through production, ensuring quality, velocity, and measurable business value while mentoring other engineers and