Talent Network: Senior Backend Engineer (Node.js)

Job Summary:In this position, you will build and scale the backend for a borderless neobank on stablecoin rails. You’ll work across traditional banking integrations, blockchain infrastructure, and card issuance - ensuring every transaction is correct, every webhook is idempotent, and every workflow survives a crash. We are an agentic-first engineering team: you’ll ship with AI-assisted tooling daily, not as an experiment.This is a remote position. We do not offer visa sponsorship or assistance. Resumes and communication must be submitted in English.Responsibilities:The following information is intended to describe the general nature and level of work being performed. It is not intended to be an exhaustive list of all duties, responsibilities, or required skills.What You’ll OwnEnd-to-end feature delivery across banking, cards, crypto, and compliance modulesTemporal workflow design for critical financial operationsWebhook integration reliability (inbox pattern, signature verification, IP whitelisting)Event-driven architecture evolutionObservability and incident response for payment flowsOur Way of WorkAgentic-first: AI tools are infrastructure, not novelty. You’ll use Claude Code with custom skills, automated reviews, and MCP integrations dailyCorrectness over speed: This is a financial system — idempotency, transactional integrity, and crash-resilience are table stakesCodified standards: Architecture decisions live in .claude/rules/, ADRs, and per-module CLAUDE.md files — not tribal knowledgeTDD encouraged: Red-Green-Refactor with dedicated tooling supportPre-commit quality gates: Lint + typecheck on commit, full test suite on pushQualifications and Job Requirements:Core BackendStrong TypeScript/Node.js (NestJS preferred)PostgreSQL — schema design, transactions, advisory locks, performance tuningGraphQL API design (Apollo Server, resolvers, custom scalars, pagination)Event-driven architecture — outbox/inbox patterns, idempotency, at-least-once deliveryDistributed Systems & ReliabilityTemporal.io or equivalent durable workflow engine (Cadence, Step Functions)Designing idempotent activities and deterministic workflowsRetry policies, non-retryable error classification, and failure handlingTransaction boundaries in distributed systemsFintech DomainPayment rails familiarity (ACH, SWIFT, Fedwire) or willingness to learn quicklyDouble-entry accounting conceptsWebhook signature verification (HMAC, ECDSA, Svix)KYC/KYB compliance flowsWeb3 / BlockchainSolana ecosystem (SPL tokens, transaction construction, RPC interaction)Stablecoin mechanics (USDC, EURC, mint/transfer/burn)Wallet custody models (MPC wallets via Privy or similar)Cryptographic signing (KMS-backed ECDSA)Agentic EngineeringProficiency using AI coding assistants (Claude Code, Cursor, Copilot) as a daily multiplierAbility to write effective prompts, review AI-generated code critically, and maintain code qualityComfort with AI-assisted workflows: automated PR reviews, test generation, codebase explorationUnderstanding when to trust AI output and when to verify manuallyObservability & OperationsAPM and tracing (Datadog or equivalent)Error tracking (Sentry)Structured logging (Pino/Winston)Blue-green deployments, health checks, graceful shutdownNice to HaveExperience with Privy, Sumsub, Noah, or Rain APIs specificallyAWS KMS / HSM-backed signingPostgreSQL logical replicationNestJS module architecture at scale (20+ modules)Contributing to internal developer tooling (custom slash commands, MCP servers, Claude Code hooks)Originally posted on Himalayas

Job Summary:In this position, you will build and scale the backend for a borderless neobank on stablecoin rails. You’ll work across traditional banking integrations, blockchain infrastructure, and card issuance - ensuring every transaction is correct, every webhook is idempotent, and every workflow survives a crash. We are an agentic-first engineering team: you’ll ship with AI-assisted tooling daily, not as an experiment.This is a remote position. We do not offer visa sponsorship or assistance. Resumes and communication must be submitted in English.Responsibilities:The following information is intended to describe the general nature and level of work being performed. It is not intended to be an exhaustive list of all duties, responsibilities, or required skills.What You’ll OwnEnd-to-end feature delivery across banking, cards, crypto, and compliance modulesTemporal workflow design for critical financial operationsWebhook integration reliability (inbox pattern, signature verification, IP whitelisting)Event-driven architecture evolutionObservability and incident response for payment flowsOur Way of WorkAgentic-first: AI tools are infrastructure, not novelty. You’ll use Claude Code with custom skills, automated reviews, and MCP integrations dailyCorrectness over speed: This is a financial system — idempotency, transactional integrity, and crash-resilience are table stakesCodified standards: Architecture decisions live in .claude/rules/, ADRs, and per-module CLAUDE.md files — not tribal knowledgeTDD encouraged: Red-Green-Refactor with dedicated tooling supportPre-commit quality gates: Lint + typecheck on commit, full test suite on pushQualifications and Job Requirements:Core BackendStrong TypeScript/Node.js (NestJS preferred)PostgreSQL — schema design, transactions, advisory locks, performance tuningGraphQL API design (Apollo Server, resolvers, custom scalars, pagination)Event-driven architecture — outbox/inbox patterns, idempotency, at-least-once deliveryDistributed Systems & ReliabilityTemporal.io or equivalent durable workflow engine (Cadence, Step Functions)Designing idempotent activities and deterministic workflowsRetry policies, non-retryable error classification, and failure handlingTransaction boundaries in distributed systemsFintech DomainPayment rails familiarity (ACH, SWIFT, Fedwire) or willingness to learn quicklyDouble-entry accounting conceptsWebhook signature verification (HMAC, ECDSA, Svix)KYC/KYB compliance flowsWeb3 / BlockchainSolana ecosystem (SPL tokens, transaction construction, RPC interaction)Stablecoin mechanics (USDC, EURC, mint/transfer/burn)Wallet custody models (MPC wallets via Privy or similar)Cryptographic signing (KMS-backed ECDSA)Agentic EngineeringProficiency using AI coding assistants (Claude Code, Cursor, Copilot) as a daily multiplierAbility to write effective prompts, review AI-generated code critically, and maintain code qualityComfort with AI-assisted workflows: automated PR reviews, test generation, codebase explorationUnderstanding when to trust AI output and when to verify manuallyObservability & OperationsAPM and tracing (Datadog or equivalent)Error tracking (Sentry)Structured logging (Pino/Winston)Blue-green deployments, health checks, graceful shutdownNice to HaveExperience with Privy, Sumsub, Noah, or Rain APIs specificallyAWS KMS / HSM-backed signingPostgreSQL logical replicationNestJS module architecture at scale (20+ modules)Contributing to internal developer tooling (custom slash commands, MCP servers, Claude Code hooks)Originally posted on Himalayas