Seeking a Senior Backend Engineer for a payment modernization project, focusing on API integrations, payment routing logic, and payment orchestration systems under the CTO's guidance.
Location: Remote (U.S. overlap preferred)
Type: Contract (Full-Time Preferred)
Domain: Payments / Fintech / eCommerce Infrastructure
We are leading a modernization initiative for a high-growth digital commerce platform focused on payment orchestration, gateway optimization, and API-driven architecture.
Experience with orchestration platforms such as Gr4vy, Stripe, etc. is highly desirable, but not required. Deep payments experience is mandatory.
About the RoleWe are seeking a senior backend engineer to support a payment modernization initiative. You will work directly under the CTO to build and integrate payment orchestration systems and direct PSP connections.
Responsibilities- Build and maintain API integrations with multiple PSPs
- Implement payment routing logic
- Develop webhook handlers
- Implement tokenization flows
- Support subscription billing logic
- Ensure resilience, observability, and clean error handling
Requirements
- 6+ years backend experience
- Strong in one or more:
- Node.js
- Java
- Python
- Go
- Extensive REST API integration experience
- Webhook processing experience
- Payments domain experience required
- Strong understanding of:
- Auth/Capture flows
- Refund logic
- Chargeback lifecycle
- Subscription billing
Benefits
- High-Impact Architecture Project
- Executive Visibility
- Competitive Contract Compensation
- Flexible Remote Structure
- Clear Scope, Clear Timeline
- Long-Term Engagement
- Technical Ownership
Top Skills
Go
Java
Node.js
Python
Rest Api
Similar Jobs
Aerospace • Artificial Intelligence • Computer Vision • Software • Analytics • Defense • Big Data Analytics
The Channel Account Manager drives sales via third-party partners in South America, ensuring partner satisfaction, optimizing relationships, and managing project deliverables while collaborating with cross-functional teams.
Top Skills:
Geospatial Information Systems (Gis)ItilRemote Sensing
Artificial Intelligence • Hardware • Information Technology • Security • Software • Cybersecurity • Big Data Analytics
Lead the technical direction, architecture, and engineering execution for Assist Chat, ensuring scalable, secure systems for real-time AI interactions while mentoring teammates and driving collaboration.
Top Skills:
AngularGraphQLNode.jsTypescript
Artificial Intelligence • Consumer Web • Digital Media • Information Technology • Social Impact • Software
The Media Lead will build and manage new media properties for Circle, leading a team to grow social channels and engage audiences creatively across platforms while measuring their impact.
Top Skills:
InstagramLinkedin)Social Listening ToolsSocial Media Platforms (YoutubeTiktok
What you need to know about the NYC Tech Scene
As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.
Key Facts About NYC Tech
- Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
- Key Industries: Artificial intelligence, Fintech
- Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
- Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory
