Backend/Full-Stack Engineer - Payments & PIX

# Backend/Full-Stack Engineer - Payments & PIXLanceSoft, Inc.**Backend/Full-Stack Payments Engineer****Location:** Brazil**Work Mode:** Remote**Employment Type:** Full-Time Employee, payroll-based contract with benefits and tax deductions**Contract Duration:** 6 months, with strong possibility of extension**About the Role**We are looking for a Payments-focused Backend/Full-Stack Engineer with hands-on experience in PIX and the Brazilian payments ecosystem.The role will focus on building backend services for PIX payment and receipt flows, per-user BRL account creation and ledger segregation, core PIX features, and integrations with partner and internal APIs.**Requirements*** Hands-on PIX experience is **required**, particularly building, implementing, extending, or supporting PIX integrations.* Strong experience in payments, banking, or fintech engineering.* Experience with payment rails, ledgers, account services, reconciliation, and idempotent/transactional systems.* Experience integrating third-party banking/PSP APIs, including webhooks, OAuth2, retries, and dedup/replay.* Backend or Full-Stack experience required. Frontend-only experience is not suitable.* Go/Golang preferred but not mandatory.* Familiarity with Temporal and MongoDB is a plus.* Knowledge of DICT, MED, BR Code/QR standards, titularidade, and BCB regulatory requirements.* Knowledge of risk/fraud controls and regulatory/compliance-driven development.* AWS, Kafka, and Kubernetes are beneficial but not critical.* Professional/communicable English required.* Portuguese is useful but not mandatory.* Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience.**Responsibilities*** Design and build backend services for PIX payment and receipt flows.* Implement per-user BRL account creation, lifecycle, and ledger segregation through PIX indirect participation via BTG.* Support migration from the legacy omnibus model.* Develop PIX features including DICT key management, MED/disputes, limits, same-name enforcement, and reconciliation.* Integrate with partner and internal APIs.* Collaborate with Payments, Risk, Compliance, and Brazil-based teams through review, testing, and production hardening.expand\\_moreO modelo informado é PJ. Benefícios e jornada estão no anúncio.Perfil alinhado a Full Stack. Stack, senioridade e responsabilidades estão no anúncio.expand\\_more
#J-18808-Ljbffr