Vantaca · 1 day ago
Senior Backend Engineer — Payments
Redwood City, CA
Full-time
Hybrid
Senior Level
6+ years expVantaca, a fast-growing startup in the community association management industry, is seeking a Senior Backend Engineer for their payments platform. The role involves building core payment services, designing robust ledgers, and ensuring high-scale reliability and security for financial transactions.
Artificial Intelligence (AI)Business IntelligenceBusiness Process Automation (BPA)Property ManagementSoftware
Responsibilities
Build core payment services: authorization/capture, refunds, voids, disputes/chargebacks, payouts, and settlement flows
Design a robust ledger: implement double-entry (or equivalent) accounting primitives, reconciliation pipelines, and audit-ready data models
Integrate with payment providers: build and maintain integrations with PSPs, gateways, processors, and risk/fraud services; handle webhooks and event streams
High-scale reliability: implement idempotency, retries, exactly-once/at-least-once semantics where appropriate, backpressure, and safe concurrency
Observability and operations: build metrics/tracing/logging for payment lifecycles; run incident response; improve SLIs/SLOs and on-call hygiene
Security and compliance-minded engineering: secrets management, least privilege, encryption, PCI-adjacent controls, and robust access/audit trails
Performance and cost: optimize throughput and latency across workflows; tune queues, databases, and caching for peak traffic
Qualification
Required
6+ years building backend systems in production environments with real operational responsibility
Strong API design and data modeling skills (schemas, migrations, indexing, transactionality)
Experience designing distributed systems with queues/workers, event-driven patterns, and failure handling
Proven ability to operate high-availability services: monitoring, alerting, incident response, and postmortems
Comfort working in a high-velocity environment while maintaining a correctness-first mindset
Benefits
Medical, Dental, and Vision kick in day one.
Unlimited PTO (with a requirement for employees to take a minimum of one continuous week per year).
401K with Company Match.
Great parental leave benefits.
Ongoing industry and professional development trainings available to all employees.
Company
Vantaca
Vantaca is an AI-driven platform that automates community management tasks while fostering growth and stronger relationships.
201-500 employees
H1B Sponsorship
Vantaca has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7)
Funding
Current Stage
Growth StageTotal Funding
$305MKey Investors
Cove Hill PartnersJMI Equity
2025-10-15Private Equity· $300M
2022-02-18Series Unknown· $5M
Leadership Team
Dave Sweyer
Founder
Recent News
2025-11-19
2025-11-12
Company data provided by crunchbase