Software Development Engineer II - Payments

Seated•New York, NY

5h•$160,000 - $180,000•Onsite

About The Position

This role is on-site, 5 days a week, working from our Flatiron office in NYC. About Seated Seated is the first dynamic pricing platform for restaurants. We help fill their empty seats while providing consumers incredible rewards to top brands and unique experiences. We are quickly expanding our offerings to cities across the country and are looking for talented and ambitious people to embark on the journey with us! Role Overview We’re fast-paced, innovative, and metric-driven, with a team passionate about delighting our customers. We’re looking for a mid-level Software Development Engineer with a strong foundation in card payment processing and payments infrastructure. You’ll help build and scale the systems that manage Seated’s growing network of restaurants and their transactions. You’ll translate business needs into live features and partner directly with business owners who recognize the value of technology. You’ll have a strong voice in product design and ownership across coding, QA, and production support.

Requirements

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

Nice To Haves

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)

Responsibilities

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