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Senior Software Engineer — Technical Leadership / Platform

Cyclops

Argentina / Brazil preferred · EU fallbackRemote · US Eastern hours$100K–$140K base

Define the technical foundation of a global crypto and stablecoin payments platform while remaining hands-on with its most complex, highest-risk backend systems.

01

About the opportunity

Cyclops is an all-in-one crypto and stablecoin platform built for payments companies. Through a single API, clients can access stablecoin settlement, pay-ins, payouts and treasury optimisation across global corridors.

The platform orchestrates leading custody, KYX and screening providers, with redundancy across major markets and more than 100 global licences. Cyclops announced a $20M Series A in July 2026.

This is an individual-contributor technical leadership role reporting to the Engineering Manager: approximately 30–50% architecture, with the remainder focused on the most complex backend implementation work.

02

What you'll do

  • Design and evolve core platform services with clear boundaries, strong data integrity and production reliability
  • Implement high-risk backend components in TypeScript and Node.js, owning correctness under partial failure
  • Design retries, backoff, timeouts, idempotency, fallback modes and degraded-service behaviour
  • Act as the primary technical contact for partner and client API or SDK integrations
  • Drive improvements in metrics, logs and tracing, and participate in production incident analysis
  • Raise engineering quality through code reviews, decomposition of ambiguous problems, pairing and documentation
  • Identify architectural risks and scalability limits before they affect production
03

What we're looking for

  • 6+ years of professional backend engineering experience with strong TypeScript and Node.js
  • Deep hands-on crypto infrastructure experience running production systems that move real funds — a mandatory requirement
  • Experience building orchestration layers over custody, KYX, screening or other third-party providers
  • Strong knowledge of crypto transaction flows, settlement, ledgers, reconciliation and compliance in the money path
  • Deep distributed-systems design experience across microservices, data models, APIs, queues and asynchronous communication
  • End-to-end production ownership including on-call, incident response and debugging API or data failures
  • Excellent PostgreSQL and SQL skills
  • Daily, critical use of AI coding tools such as Claude Code or Copilot
  • Strong written and spoken English, including defending technical decisions with partner engineers
04

Bonus points

  • Experience in regulated financial environments, licensing, audits or compliance-driven engineering
  • Kafka, RabbitMQ or SQS; Redis; Docker; Kubernetes; AWS
  • Architecture leadership across time zones in a distributed team
05

What’s on offer

  • $100K–$140K base, with the same band across geographies
  • Full-time dedicated contractor engagement, typically through Deel
  • Remote role working US Eastern hours with at least four hours of daily overlap with Central European time
  • Argentina or Brazil preferred; EU and US candidates can also be considered
  • Company-issued laptop and technology accessories
  • Annual in-person full-team meetup
  • Interview process: technical deep-dive and realistic live working session, culture and expectations conversation, co-founder call and offer call — no take-home and no LeetCode

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