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Lead Software Engineer (Ruby)

EPAM Systems
Department:Software Development
Type:REMOTE
Region:Australia
Location:Australia
Experience:Mid-Senior level
Estimated Salary:A$120,000 - A$160,000
Skills:
RUBY ON RAILSDOMAIN DRIVEN DESIGNTHIRD-PARTY API INTEGRATIONSOBSERVABILITY TOOLSCI/CDPAYMENTS/FINTECH/ECOMMERCE
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Job Description

Posted on: July 29, 2025

We are seeking a Lead Software Engineer (Ruby) to join our Core Payment Engineering team, the most sensitive and business-critical part of the platform. You’ll build and maintain mission-critical payment systems, ensuring scalability, security, and reliability for global merchants. Responsibilities

  • Design, implement, and maintain Ruby on Rails services for payment processing
  • Focus on reliability, extensibility, and correctness to ensure that merchants can accept payments seamlessly and securely
  • Oversee payment configuration, authorization and refund flows, observability, correctness, and performance of critical services
  • Collaborate with product managers, engineers, and infrastructure teams globally

Requirements

  • 8+ years of backend development, with strong Ruby on Rails expertise
  • Solid understanding of building and operating production-grade systems (e.g., you know your way around logs, traces, metrics, feature flags, and debug live traffic issues)
  • Knowledge of Domain Driven Design and third-party API integrations (e.g., payments)
  • Familiarity with observability tools (Prometheus, Grafana, Sentry, Lightstep)
  • Ability to write testable, maintainable, and clean code, and familiarity with CI/CD practices
  • Product mindset and excellent written and verbal communication skills
  • Payments/fintech/ecommerce experience is a strong plus

We offer

  • By choosing EPAM, you're getting a job at Great Place To Work-Certified™ in 2024, Glassdoor’s Top 100 Best Places to Work in 2023 & one of Most Loved Workplace, as recognized by Newsweek, 2021 - 2023.
  • Employee ideas are the main driver of our business. We have a very supportive environment where your voice matters.
  • You will be challenged while working side-by-side with the best talent globally. We work with top-notch technologies, constantly seeking new industry trends and best practices.
  • We offer a transparent career path and an individual roadmap to engineer your future & accelerate your journey.
  • At EPAM, you can find vast opportunities for self-development: online courses and libraries, mentoring programs, partial grants of certification, and experience exchange with colleagues around the world. You will learn, contribute, and grow with us.

How We Hire

  • Here, we summarize the typical journey to finding a job within EPAM.
  • Apply and tell us about yourself!
  • Go through some standard interviews:
  • - General interview with a recruiter
  • - Technical interview with our technology experts
  • - Manager interview or Offer interview with a hiring manager
  • Get ready to join the team!
  • Not sure if you meet all the requirements? No problem. Let's talk anyway and find out more!
  • It takes 1 min of application to start the journey with us. Apply now!

Life at EPAM

  • We are a leading global provider of digital platform engineering and development services that has rapidly grown in Australia since 2013.
  • We adopt a global growth strategy, thinking and acting like start-ups, working in multi-disciplinary teams, and delivering results. With a multinational talented team, we have been delivering innovative solutions for cloud migration, cyber security, digital transformation, etc.  
  • You will work in an open and friendly work environment where your professional skills and experience can stand out.
Originally posted on LinkedIn

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