Sr Software Engineer B E
WFA Digital Insight
Demand for skilled back-end engineers continues to rise, with experts in PHP and Go being particularly sought after. As the remote job market evolves, companies like Rebuy, Inc. are leading the way in creating high-spirited work environments that value performance, productivity, and collaboration. With the e-commerce industry projected to grow exponentially, the need for robust and secure billing systems has never been more pressing. Rebuy, Inc.'s commitment to intelligent commerce and personalized customer experiences makes this role an exciting opportunity for those looking to make a real impact. Candidates should be prepared to demonstrate their technical expertise and business acumen to succeed in this role.
Job Description
About the Role
Rebuy, Inc. is seeking a highly skilled Sr Software Engineer to join their team and play a vital role in shaping the future of intelligent commerce. As a fully remote company, Rebuy, Inc. powers some of the fastest-growing DTC brands and is committed to creating a high-spirited, intentional work environment that stresses performance, productivity, collaboration, and merit. The successful candidate will own some of the most consequential systems at Rebuy, including the billing and payments infrastructure, and will be responsible for designing and building a centralized billing system that handles merchant billing, partner payments, and customer-facing charges.The role is part of a broader platform portfolio that includes the partner portal, data ETL pipelines, customer-facing APIs, and reporting infrastructure that power the business. The ideal candidate will have a deep understanding of PHP and Go, as well as careful architecture and judgment that no automated tool can replicate.
In addition to technical expertise, the candidate will be expected to grow into a broader platform portfolio and contribute significantly to the engineering culture at Rebuy by establishing, documenting, and promoting best practices.
What You Will Do
- Design and build Rebuy's centralized billing system that handles merchant billing, partner payments, and customer-facing charges
- Architect the integration layer that allows payment balances to be applied across Rebuy's full suite of services
- Tackle complex financial engineering challenges with PHP and Go at scale
- Build robust APIs in PHP and Go to power billing events, payment processing, and financial data flows across the platform and Shopify integrations
- Lead and contribute to the migration of the Code Igniter 2 codebase to Code Igniter 4
- Partner with product and engineering to identify where AI agents can automate workflows, surface insights, and guide merchants through the product
- Build the backend systems, APIs, data pipelines, and event hooks that enable intelligent automation
- Contribute significantly to the engineering culture at Rebuy by establishing, documenting, and promoting best practices
- Lead initiatives to introduce and standardize frameworks and tools that increase development efficiency
What We Are Looking For
- 5+ years of experience in software engineering, with a focus on back-end development
- Deep expertise in PHP and Go
- Experience with billing and payments infrastructure
- Strong understanding of financial engineering and complex systems
- Ability to architect and design robust and secure systems
- Excellent problem-solving skills and attention to detail
- Strong collaboration and communication skills
- Experience with Code Igniter 2 and Code Igniter 4
- Familiarity with AI agents and automation workflows
Nice to Have
- Experience with Shopify integrations
- Knowledge of data ETL pipelines and reporting infrastructure
- Familiarity with cloud-based technologies and scalable systems
Benefits and Perks
- Opportunity to work with a fast-growing company in the e-commerce industry
- Collaborative and dynamic work environment
- Flexible working hours and remote work options
- Professional development opportunities and training
- Competitive salary and benefits package
- Access to the latest technologies and tools
- Recognition and rewards for outstanding performance
How to Stand Out
- Be prepared to demonstrate your technical expertise in PHP and Go, as well as your understanding of financial engineering and complex systems.
- Highlight your experience with billing and payments infrastructure, and your ability to architect and design robust and secure systems.
- Showcase your problem-solving skills and attention to detail, as well as your ability to collaborate and communicate effectively with cross-functional teams.
- Familiarize yourself with Rebuy, Inc.'s products and services, and be prepared to discuss how your skills and experience align with the company's mission and goals.
- Be prepared to discuss your experience with AI agents and automation workflows, and how you can contribute to the development of intelligent commerce solutions.
- Make sure to ask about the company culture, values, and expectations, and be prepared to discuss how you can contribute to the engineering culture at Rebuy, Inc.
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