Senior Software Engineer – Growth

About the role

Checkr is seeking an experienced Senior Software Engineer to join its Growth team. You will focus on building seamless customer signup flows while protecting the platform from fraudulent activity. The role involves working with a collection of small services built on Ruby and JavaScript, leveraging relational databases and event‑driven architectures.

Key responsibilities

• Own the end‑to‑end development of full‑stack features, from design and implementation to release.
• Partner with product, design, and non‑technical stakeholders to define new functionality.
• Collaborate with engineers across the Growth organization to architect and implement scalable solutions.
• Design, develop, test, deploy, maintain, and continuously improve the services you own.
• Deliver performant, reliable, and secure code that meets high‑availability standards.
• Monitor, investigate, triage, and resolve production incidents as they arise.

Required profile

• 4+ years of full‑stack software development experience.
• Strong ownership mindset across the entire development lifecycle.
• Desire to mentor teammates and contribute to a collaborative engineering culture.
• Advanced English communication skills, both written and verbal.
• Interest in leveraging AI‑assisted tools as part of everyday development.

Required skills

• Proficiency in Ruby.
• Proficiency in JavaScript, with strong React experience.
• Solid understanding of relational databases and SQL.
• Experience with event streams and asynchronous processing.
• Familiarity with Object‑Relational Mapping (ORM) techniques.
• Knowledge of REST APIs and microservice architectures.