Sr Software Engineer - B/E - USARemoteJobs.com

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer – Back-End in the United States.

This role places you at the core of a high-scale commerce platform where financial systems, APIs, and backend infrastructure directly power merchant billing and payments. You will design and evolve critical systems that manage real-money transactions, partner payouts, and subscription logic across a rapidly growing ecosystem. A key focus of the role is building reliable, secure, and scalable backend services using PHP and Go. You will also contribute to a major legacy modernization effort, migrating a core CodeIgniter 2 system to CodeIgniter 4. Beyond billing, you will help expand platform capabilities across data pipelines, partner tools, and reporting systems. Working in a fully remote, fast-paced engineering culture, you will collaborate closely with product and cross-functional teams to shape high-impact technical decisions. This is a hands-on, high-ownership role with strong influence on both architecture and business outcomes.

Accountabilities

In this role, you will take ownership of critical backend systems that support billing, payments, and platform infrastructure. You will design and maintain scalable services while ensuring security, performance, and reliability across financial workflows.

Architect and develop billing and payments systems that handle merchant charging, partner payouts, and subscription flows across the platform
Build and maintain secure, scalable APIs using PHP and Go to support financial operations and integrations
Lead and contribute to the migration from CodeIgniter 2 to CodeIgniter 4, ensuring stability and modernization of legacy systems
Develop backend systems supporting data pipelines, reporting, partner tools, and event-driven automation
Collaborate with product, engineering, and support teams to define requirements, resolve production issues, and deliver high-quality features
Drive engineering best practices, including code quality, testing standards, documentation, and performance optimization
Ensure security-first development practices across authentication, authorization, and financial data handling

Requirements

This position requires strong backend engineering expertise, particularly in distributed systems and financial-grade applications. The ideal candidate combines deep technical skills with strong product awareness and collaborative communication abilities.

5+ years of backend development experience using PHP and Go in production environments
Strong experience building or maintaining billing, payments, or financial systems in SaaS or commerce platforms
Proven ability to design scalable RESTful APIs with strong understanding of versioning, performance, and security
Hands-on experience with cloud infrastructure (preferably GCP) and modern backend architecture patterns
Strong understanding of secure coding practices, OWASP principles, and data protection in financial systems
Experience working in Agile/Scrum environments using tools such as Jira, Bitbucket, and Confluence
Solid knowledge of MySQL and distributed systems; familiarity with event-driven architectures is a plus
Strong communication skills with the ability to explain technical concepts to both technical and non-technical stakeholders
Collaborative mindset with experience mentoring engineers and contributing to team-wide technical growth

Benefits

Fully remote work environment across the U.S. and Canada
Competitive salary range of $130,000 – $180,000 USD annually (location-dependent)
Comprehensive health, dental, and vision insurance for employees and dependents
Flexible PTO policy, paid holidays, sick leave, and additional personal days (including birthday off)
Retirement plans including 401(k) in the U.S. and RRSP/TFSA options in Canada with employer contribution
3% automatic retirement contribution based on gross salary
Parental leave and family support policies
Professional development opportunities and tools to support engineering growth
Additional perks including wellness support, remote work flexibility, and team engagement initiatives

How Jobgether works:

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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Sr Software Engineer - B/E

Requirements

Benefits

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