Senior Commerce Backend Engineer w/Rails

WHY DEPT®?

We are pioneers at heart. What this means, is that we are always leaning forward, thinking of what we can create tomorrow that does not exist today. We were born digital and we are a new model of agency, with a deep skillset in tech and marketing. That’s why we hire curious, self-driven, talented people who never stop innovating.

Our culture is big enough to cope and small enough to care. Meaning, that with people across 20+ countries, we’re big enough to provide you with the best tools, global opportunities, and benefits that help you thrive. While acting small by investing in you, your growth, your team, and giving you the autonomy to solve our clients' problems, no matter where you are in the world.

ABOUT THE JOB:

We're seeking a Backend Senior Software Engineer to join our remotely distributed Commerce team, someone who doesn't just build, but raises the quality bar across our entire ecosystem. You'll be instrumental in shaping the reliability, performance, and maintainability of our critical financial infrastructure, directly impacting how our customers and taskers experience
money. Our Commerce team is at the heart of our operations, building and maintaining the billing, payment processing, payouts and taxes/fees that make money simple and accessible. As a Senior Software Engineer, you'll dive deep into our systems, not only delivering new features but also acting as a critical advocate for engineering rigor and operational excellence. You'll work independently and collaboratively in our team, tackling complex challenges and leaving a lasting impact on our codebase and processes.

YOU WILL:

• Work independently or with other engineers to design, develop, and maintain Rails backend payment solutions that integrate with 3rd party providers like Stripe and Sovos, debugging and refactoring legacy code as needed. Perform manual testing of your work to validate usability and design accuracy.
• Help debug and root cause: Diagnose and resolve system errors, leveraging tools like Datadog to pinpoint issues and prevent recurrence.
  Improve our data interactions: Utilize your deep SQL expertise to write queries that uncover payment system discrepancies in Snowflake and improve the performance of slow or legacy queries.
• Streamline manual investigation tasks: Proactively identify and champion opportunities to automate or streamline common manual investigation tasks, increasing speed to issue resolution and freeing up engineering time for more impactful work.
• Assist in building an observability foundation: Design, implement, and maintain monitoring and alerting systems, ensuring visibility into system health and enabling proactive issue identification.
• Elevate our Ruby on Rails codebase: Serve as a subject matter expert in Ruby and Rails, guiding best practices for development and optimizing application performance through discussion and code reviews.
• Champion test-driven development: Lead by example in writing comprehensive and effective RSpec unit and integration tests, ensuring code quality and long-term maintainability.
• Collaborate closely with product managers and other engineers to translate complex requirements into easily maintainable technical solutions.
• Contribute to code reviews, providing insightful feedback that raises the technical proficiency of the entire team.
• Document your discoveries, designs, and operational insights, ensuring knowledge transfer and fostering a culture of clarity.

ABOUT YOU:

• 5+ years of hands-on professional experience developing with Ruby on Rails, demonstrating deep expertise in the framework and the broader Ruby ecosystem.
• Deep SQL proficiency, with experience in writing complex queries for data analysis, discrepancy resolution, and performance improvement in production environments.
• Demonstrable expertise in root cause analysis of complex system failures.
• Experience designing, implementing, and maintaining robust observability and monitoring solutions for critical systems (e.g., Datadog, Prometheus, Grafana, New Relic).
• Proven experience navigating and improving legacy codebase reliability and performance.
• Expertise across the entire software development lifecycle, with a focus on delivering high-quality, maintainable, and well-tested solutions.
• Mastery in writing comprehensive and effective tests, particularly RSpec unit and integration tests, in complex Rails applications.
• Excellent communication skills, both written and verbal, with the ability to articulate complex technical concepts.
• A relentless commitment to quality and a desire to continuously improve engineering standards.

Bonus Points For:

• E-commerce/invoicing/billing/fintech experience where you have worked on ensuring correct data for financial transactions
• The ability to design data models that are easy for downstream teams, like data engineering or accounting, to get the data they need

WE SUPPORT YOU BEING YOU: 

DEPT® is an equal opportunity employer (EOE). We believe our work is its best when our people feel safe and free to be themselves. We’re committed to an inclusive and barrier-free recruitment and selection process and workplace, regardless of anyone’s identity, background, beliefs, lifestyle or disabilities. So tell us about any accommodations you need. It’s totally confidential and only used to make sure you feel fully supported at every step. 

We are a B Corp-certified company passionate about purpose-driven work.  Our hope is that you can feel good about the contributions DEPT® is making to the world and we always have an open door for your ideas in making the world a better place. 

DEPT® is a pioneering technology and marketing services company that creates integrated end-to-end digital experiences for brands such as Google, KFC, Philips, Audi, Twitch, Patagonia, eBay and more. Its team of 2,500+ digital specialists across 30+ locations on 5 continents delivers pioneering work on a global scale with a boutique culture. 

Learn more about DEPT®

DIVERSITY, EQUITY, & INCLUSION

At DEPT®, we take pride in creating an inclusive workplace where everyone has an equal opportunity to thrive. We actively seek to recruit, develop, nurture, and retain talented individuals from diverse backgrounds, with varying skills and perspectives.

Not sure you meet all qualifications? Apply, and let us decide! Research shows that women and members of underrepresented groups tend not to apply for jobs when they think they may not meet every requirement, when in fact they do. We believe in giving everyone a fair chance to shine.

We also encourage you to reach out to us and discuss any reasonable adjustments we can make to support you throughout the recruitment process and your time with us.

Want to know more about our dedication to diversity, equity, and inclusion? Check out our efforts here.