Senior Software Engineer III — Lead Architect & Mentor

Pearson; Pierre (SD); On-site; USD 150,000 - 170,000; Full time

Job summary

Pearson is seeking a senior software engineer to lead end-to-end design and delivery of complex features. You will work with Ruby on Rails, React, AWS, and PostgreSQL across multiple codebases, mentor engineers, and drive architecture decisions.

Collaboration with Product and Customer Success is essential, and AI-assisted development tools will be used to improve productivity. The role emphasizes secure, scalable, cloud-native web development, and the company offers a competitive salary and

Qualifications

• 7+ years of professional software development experience.
• Proficiency with Ruby on Rails, React, AWS, and PostgreSQL.
• Proven track record of high-impact technical decisions in complex environments.
• Strong code reviews and shipping well-tested code.
• Excellent cross-functional communication with engineers and non-technical stakeholders.
• Experience in software architecture, system design, and scalability.
• Experience mentoring junior engineers.
• Experience with distributed or service-oriented systems and event-driven communication.
• Comfort working across multiple codebases and unfamiliar systems.

Responsibilities

• Lead the design and delivery of complex, well-scoped features and systems end to end.
• Write clear, maintainable, well-tested code and reduce complexity by simplifying services and paying down debt.
• Mentor junior engineers and level up the team through code reviews and knowledge sharing.
• Evolve the platform to support new services across adjacent codebases and domains.
• Partner with Product and Customer Success to turn requirements into sound technical solutions.
• Use AI-assisted development tools for coding, testing, and debugging.
• Follow best practices for secure, scalable, cloud-native web applications.

Skills

Software architecture

System design

Mentoring

Code reviews

Cross-functional comms

Distributed systems

Event-driven

Cloud-native

AI-assisted dev

Tools

Ruby on Rails

React

AWS

PostgreSQL

Job description

Pearson is seeking a senior software engineer to lead end-to-end design and delivery of complex features. You will work with Ruby on Rails, React, AWS, and PostgreSQL across multiple codebases, mentor engineers, and drive architecture decisions.

Collaboration with Product and Customer Success is essential, and AI-assisted development tools will be used to improve productivity. The role emphasizes secure, scalable, cloud-native web development, and the company offers a competitive salary and