Senior Software Engineer (Rails + Go)

PayNearMe•Santa Clara, CA

3d•Remote

About The Position

As a Senior Software Engineer, you will own and develop critical code that powers our platform, enabling retailers and consumers to move billions of dollars seamlessly through integrations with various banks. Working with technologies like Ruby on Rails and Go, you will design, build, and optimize scalable systems for high-volume financial transactions. You’ll collaborate closely with cross-functional teams to deliver reliable, secure, and performant solutions, while ensuring smooth integration with multiple critical partners. Additionally, you will mentor junior engineers and drive architectural improvements, with your contributions directly influencing the platform's scalability and innovation as we grow.

Requirements

Demonstrated ability to become an expert in a specific technical and business domain, with proven experience in independently mastering complex systems or technologies. We value a track record of deep specialization and problem-solving in any field
Strong command of Ruby and Rails (understanding the boundaries between them)
Ability and willingness to write detailed technical documentation for a wide variety of audiences
Experience working in a large codebase and communicating about code
Ability to make practical decisions with good judgment when faced with design constraints
Commitment to writing well-tested code that considers security, performance, and resilience
Respect and support for team members of all levels and backgrounds, with openness to both teaching and learning

Nice To Haves

Understanding of money movement flows—capture, settlement, disbursement, and reconciliation
Prior exposure to financial data integrity concepts: double-entry ledger or general ledger design, transaction lifecycle management, variance tracking and exception reporting
A working knowledge of GO
Experience in modularizing monolithic applications, and when to move towards “services” vs “microservices”
Familiarity with design patterns that support long-term sustainability
Skills in solving complex performance problems

Responsibilities

Develop and maintain high-quality, scalable, and robust code for our primary Ruby on Rails system
Collaborate with cross-functional teams, including QA and product teams, to define, design, and ship new features that meet business requirements
Write well-tested code using RSpec, with a strong emphasis on security, performance, and resilience (we have 95% code coverage)
Make practical decisions with good judgment when faced with design constraints and trade-offs
Participate in code reviews, providing constructive feedback through pull requests to ensure code quality, best practices and limit breaking changes
Mentor and support team members, fostering a collaborative and inclusive environment that promotes learning and growth
Participate in on-call rotations to support and maintain production systems, including incident response and resolution

Benefits

100% Remote (must be in US)
Base salary per year (paid semi-monthly)
Fast- paced and professional work culture
Stock options with standard startup vesting - 1 year cliff; 4 years total
$50 monthly communication expense stipend to go towards your phone/internet bill
$250 stipend to enhance your WFH setup
Reimbursement for peripheral equipment: monitor (up to $400), keyboard and mouse (up to $200)
Premium medical benefits including vision and dental (100% coverage for employees)
Company-sponsored life and disability insurance
Paid parental bonding leave
Paid sick leave, jury duty, bereavement
401k plan
Flexible Time Off (our team members typically take off ~3-4 weeks per year)
Volunteer Time Off
13 scheduled holidays
2x / year in-person team meet-ups (2-3 days, company paid)