Note: The job is a remote job and is open to candidates in USA. Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. They are seeking a Senior Software Engineer to join their Payments team, responsible for building and evolving the payments infrastructure that powers transactions across the Collectors ecosystem.
Responsibilities
- Build and evolve multi-gateway payment integrations: Design, implement, and maintain integrations with multiple payment gateway providers — including Stripe, PayPal, and others — building clean abstractions that minimize disruption when adding or swapping gateways, while owning payment flows end-to-end from initiation through settlement, refund, and reconciliation
- Deliver full-stack payment experiences: Develop backend payment services and APIs in C#/.NET while building intuitive customer-facing experiences in React, Svelte, and TypeScript that power checkout and payment management, collaborating closely with design and product to ensure every flow is accessible and conversion-optimized
- Champion security, compliance, and resilience: Apply PCI-DSS best practices and resilient design patterns — including tokenization, idempotency, retries, and audit controls — to ensure secure and reliable payment processing at scale, partnering with Security and Compliance teams to maintain and advance our certifications
- Take an AI-first approach to building: Leverage AI-assisted development tools throughout the software lifecycle to accelerate delivery, improve quality, and evolve engineering best practices
- Architect for scale and observability: Design and operate distributed, event-driven services on AWS and Kubernetes, using metrics, tracing, and alerting to maintain highly availability and accelerate incident response
- Drive cross-functional execution: Translate business requirements into technical solutions and partner across Payments, Marketplace, Grading, Vault, and platform teams to deliver seamless payment experiences that connect the Collectors ecosystem
Skills
- 6+ years engineering experience
- Deep backend expertise in C# (.NET)
- Frontend range in React, Svelte, and TypeScript
- Strong fundamentals working with databases and data modeling, both relational (e.g. PostgreSQL) and NoSQL (e.g. DynamoDB)
- Familiar with Agile/Scrum methodologies
- Payments or fintech experience
- Distributed-systems depth
- AI-first engineer
- Observability-first mindset
- Security-minded
- Influential communicator
- Bias for ownership
- Passion for collecting is a plus
Benefits
- Health Insurance: All full-time employees are eligible to enroll in Medical, Dental, and Vision
- Additional Benefits: Full-time employees are eligible for fertility, commuter, and educational assistance benefits
- 401(K) Matching Plan: We are proud to offer a competitive 401k matching plan to our employees to support their future financial goals
- Vacation: All salaried employees are eligible for flexible time-off
- Holiday Pay: All regular, full-time employees are eligible for ten company paid holidays
- Employee Discounts: Employees receive discounts on select grading services for approved submissions
- Flexible Hours: Many of our teams offer flexible schedules with varying shifts and will work with you to accommodate your needs
- Fun Working Environment: Our team members are invited to participate in celebrations, holiday events, and team building activities
Company Overview