Software Development Engineer II – Payments
Location: New York, New York
Department: Engineering
Location Type: IN_OFFICE
Employment Type: FULL_TIME
All About Us
The Role
- Design, build, and maintain scalable backend systems that reliably manage merchant accounts, transactions, and attribution logic
- Partner with business stakeholders to translate requirements into well‑implemented, deterministic workflows and services
- Build reliable, fault‑tolerant distributed systems with strong coding, testing, observability, performance, and reliability practices
- Contribute to technical design for high‑performance, service‑oriented architectures
- Scale backend services and microservices for high throughput and low latency across fast‑growing payment datasets
- Bachelor’s in Computer Science or Engineering; 3+ years of experience shipping production payment/fintech systems
- Deep understanding of payments infrastructure, including card network flows, authorization/settlement lifecycles, and payment processor/gateway integrations
- Ability to quickly learn new payment technologies and apply them to real‑world solutions and product design
- Proficiency in Java and the Spring Boot framework; or equivalent expertise in a similar object‑oriented language.
- Experience building high‑availability systems, including low‑latency APIs and distributed RESTful/gRPC services; practiced in backward compatibility, deterministic behavior, and idempotency
- Solid knowledge of distributed databases and scalable, fault‑tolerant caching
- Experience with AI agents and prompt engineering; able to build web features using agentic workflows and modern frontend frameworks
- Cloud experience (AWS or GCP), containerization (Docker); familiarity with AWS services such as ECS, RDS, and Kinesis, plus observability tools like Datadog
- Preferred: Experience with workflow orchestration engines (Temporal, Cadence, or AWS Step Functions)
- $160K - $180K plus stock options
- 401k with company match
- Medical, dental, and vision coverage
- FSA, dependent care, and commuter benefits
- Paid parental leave and unlimited PTO
- TeleDoc, One Medical, Talkspace, and WellHub access
- Citi Bike membership
- $100 monthly Seated dining credit
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