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7 days ago
Requirements and responsibilities
This is a Senior Software Engineer role with a Technical Leadership / Platform specialization, focused on system design, reliability, and long-term platform evolution. You will help the team understand how our systems should behave under load, during failures, and as they scale, ensuring the platform foundation remains healthy over time. The role involves a significant architectural focus (30-50%) while remaining fully hands-on: you take ownership of the most complex or high-risk backend work, and act as the technical representative for API/SDK integrations with third-party vendors and clients, during and after the integration.Key ResponsibilitiesDesign and evolve core platform services, focusing on reliability, data integrity, and clear service boundaries aligned with business requirementsIdentify architectural risks, scalability limits, and weak points before they become production issues; recognize when existing tools (queues, storage, frameworks) reach their limits and propose pragmatic, incremental improvement or migration pathsOwn the technical relationship with partners as the primary technical point of contact: lead solution reviews, troubleshooting, and roadmap alignment; document technical decisions and integration details; ensure partners understand expectations, timelines, and constraintsDesign and improve reliability mechanisms: retries and backoff, timeouts and idempotency, handling of partial failures, degraded and fallback modesDrive improvements in observability (metrics, logs, tracing, operational visibility) and participate in production incident analysisContribute during the Discovery stage of projects: build PoCs, validate ideas, analyze third-party vendor APIs and proposed integration flowsImplement the most complex and high-risk backend components using TypeScript and Node.js, owning correctness under partial failure scenariosRaise the overall technical maturity of the team, including senior engineers: thoughtful code reviews, decomposition of large or ambiguous problems, knowledge sharing through pairing and documentationRequired Qualifications6+ years of professional backend development experienceDeep hands-on experience building and operating crypto infrastructure: custody, wallets, exchange, payment, or settlement systems. You have designed and run production systems that move real funds. Integrating a crypto API into an existing product, or building UI on top of one, does not meet this barStrong backend expertise in TypeScript and Node.jsDeep experience in distributed system design: microservices architecture, service boundaries and data models, REST APIs and API contracts, queues and asynchronous communicationHands-on production experience: incident response, debugging, API failures, data issuesExperience owning services end-to-end, from design to production supportExcellent knowledge of SQL (PostgreSQL) and understanding of other storage typesStrong reliability mindset and experience with failure scenarios; experience improving observability and investigating production incidentsProficient daily use of AI coding tools (e.g. Claude Code, Copilot), with the ability to review AI-generated code quickly and criticallyAbility to mentor engineers, including senior-level, and to evaluate trade-offs and propose practical solutionsHigh agency: you treat problems in your scope as yours by default, act before being asked, and escalate with a proposed plan when a decision is above your levelExcellent communication skills, with the ability to bridge technical and business conversations; strong written and verbal EnglishPreferred ExperienceExperience leading architecture work across timezones in a distributed teamExperience in regulated financial environments (licensing, audits, compliance-driven engineering requirements)Experience with queues and event-driven systems (Kafka, RabbitMQ, SQS, etc.)Redis or other in-memory data storesFamiliarity with Docker, Kubernetes, and AWS (user-level understanding)Experience shaping team practices around AI-assisted developmentReporting StructureReports to the Engineering Manager. This role does not include direct people management, only technical influence.Why This RoleOwn the technical foundation of a crypto payment platform being built now: architecture decisions you make will define the platform for yearsFull technical ownership of the highest-risk, highest-impact work in the company, with direct influence on how the whole engineering organization buildsAI-first engineering culture where your leverage multiplies through the teamLocationRemote. USA, Argentina, or Brazil. The role works US business hours (Eastern Time). A minimum of 4 hours of daily overlap with Central European working hours is a requirement.Compensation and BenefitsAs an independent contractor, you'll enjoy the flexibility to determine how and when you deliver your work, while partnering closely with our team to meet agreed milestones and business objectives. Compensation and engagement terms will be outlined in your contractor agreement.Additional BenefitsCompany issued laptopTechnology AccessoriesAnnual In-Person Full-Team MeetupAbout CyclopsCyclops enables payments companies to onboard with a single partner, unlocking stablecoin settlement, payins, payouts and treasury optimization across global corridors – all through a single API.Cyclops was founded by payments executives and crypto veterans who were fed up with stablecoin fragmentation. The first complete stablecoin platform built exclusively for the payments industry, Cyclops combines the agility of orchestration with the comprehensive build outs of full-stack providers. Cyclops has end-to-end integrations to every leading provider at every layer of the stablecoin stack, and proprietary technology built on top to make payments use cases effortless. With this unique approach, Cyclops is the only platform offering product and license redundancy in all major markets, with dozens of partners and over 100 global licenses. Cyclops CultureDon’t join Cyclops if you’re looking for a typical 9-5. The culture we’ve built is one of first-principles thinking and relentless execution. We wake up every day excited to deliver great products worthy of the world’s best companies. Everyone who works at Cyclops must have a founder mindset, where no problem is too big to solve.