Senior Software Engineer - Money Engineering

About the role

Atoms is building the machines that power the next era of progress. Over the last decade, software has transformed the digital world. But the physical world, where food is made, minerals are mined, goods are moved, and industries are run, remains far less intelligent, far less efficient, and far more constrained. We’re changing that.

Responsibilities

• Engineer and maintain our core money platform capabilities, focusing on high availability, security, and scalability.
• You take ownership of your team’s operations and availability by ensuring you have the right monitoring, triage rotations, playbooks, policies, testing and alerting in place to support “keep the lights on” & on-call efforts.
• You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.

Requirements

• Proficiency in backend programming languages like Java or Go.
• Familiarity with relational and/or NoSQL databases (e.g., PostgreSQL, Redis).
• Experience with cloud platforms like AWS, Google Cloud, or Azure.
• Understanding of RESTful APIs, microservices, and distributed systems.
• Strong debugging and problem-solving skills.

Preferred Qualifications

• 3+ years of professional software engineering experience, with significant time spent in payments, billing, or financial technology.
• Deep understanding of the payment processing lifecycle, including authorization, capture, settlement, and reconciliation.
• Direct experience with payment gateways (e.g., Stripe, Adyen, PayPal).
• Demonstrated experience in architecting and operating large-scale, fault-tolerant distributed systems that handle financial data.
• Knowledge of fraud detection techniques and experience building or integrating with risk management systems.

Benefits

• Medical, dental, and vision insurance (multiple plans, incl. HSA options).
• Company-paid life and disability insurance (short- and long-term).
• Voluntary insurance: accident, critical illness, hospital indemnity.
• Optional supplemental life insurance for self, spouse, and children.
• Pet insurance discount.
• 401(k).
• Health Savings Account (HSA)
• Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
• Time Off policies:
• Discretionary vacation days
• 8 paid holidays per year
• Paid sick time
• Paid Bereavement leave
• Paid Parental Leave