Principal Engineer – AI SaaS Platform & Scale

intercom; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work policy

Job summary

Fin, now part of Salesforce, is hiring Principal Engineers to shape strategic engineering initiatives and deliver scalable SaaS solutions. You will lead both backend and frontend work, mentor engineers, and align with product, design, and data teams to drive impact across the customer journey.

You’ll help define technical strategy, foster agility, and contribute to hiring and career development while maintaining high standards of performance and reliability.

Qualifications

• SaaS product experience with measurable impact.
• Leadership of engineering teams for multi-disciplinary projects.
• Experience with distributed systems and scalable architectures.
• Ability to work with product, design and research teams.

Responsibilities

• Lead definition and execution of strategic engineering initiatives.
• Architect and implement backend and frontend systems.
• Mentor engineers and partner with engineering leadership on technical strategy.
• Contribute to hiring, career development and code quality standards.
• Drive incremental releases with feature flags and robust deployment.

Skills

SaaS product experience

Distributed systems

Team leadership 2+ years

Cross-functional collaboration

Tools

Ruby

Python

Perl

Job description

Fin, now part of Salesforce, is hiring Principal Engineers to shape strategic engineering initiatives and deliver scalable SaaS solutions. You will lead both backend and frontend work, mentor engineers, and align with product, design, and data teams to drive impact across the customer journey.

You’ll help define technical strategy, foster agility, and contribute to hiring and career development while maintaining high standards of performance and reliability.