Software Engineering, Lead (Heroku)

Candidates must have over 5 years of professional software engineering experience, with a focus on large-scale, distributed, or billing-intensive systems. Proven experience in designing, building, and maintaining production services at scale in demanding, customer-facing environments is required. Strong knowledge of transaction management concepts (concurrency, consistency, isolation levels) and experience applying them in real systems is necessary. Experience designing and maintaining RESTful APIs for mission-critical workflows is needed. Proficiency in at least one modern programming language (e.g., Ruby, Elixir, Java, Python, Go) and the ability to adapt across languages is essential. Excellent written and verbal communication skills, the ability to work closely with cross-functional partners, and a passion for teaching, mentoring, and continuous learning are required. A related technical degree is mandatory. Preferred qualifications include experience in Ruby, familiarity with Elixir and functional programming, experience with distributed database systems and performance tuning, experience with observability patterns and monitoring tools, experience modernizing legacy systems, and prior involvement in billing or financial compliance workflows.