Senior Full Stack Developer

About the role

We are seeking a Senior Full Stack Developer to join our engineering team and build revenue‑critical financial technology workflows. The role spans the .NET backend, React/TypeScript frontend, PostgreSQL data layer, APIs, asynchronous integrations, and Azure platform. You will take end‑to‑end ownership from database and API design through frontend experience, testing, deployment, and production support.

Key responsibilities

• Develop and maintain financial transaction, account, payment, beneficiary, reporting, and reconciliation workflows.
• Build C#/.NET services and REST APIs with validation, authorization, idempotency, retries, state management and robust error handling.
• Create responsive React and TypeScript interfaces that reflect complex transaction states.
• Design PostgreSQL schemas, relational models, and ensure transactional integrity and audit‑friendly structures.
• Integrate third‑party payment providers via webhooks, handling status mapping, timeouts, retries and reconciliation.
• Implement double‑entry ledger logic for fees, holds, reversals, adjustments, collections, payouts and pay‑ins.
• Write automated tests covering unit, integration, contract, end‑to‑end, replay, duplicate and timeout scenarios.
• Collaborate with DevOps to deploy and support applications in Azure, and troubleshoot production issues using logs and monitoring data.

Required profile

• Senior‑level software engineer with hands‑on experience delivering end‑to‑end financial workflows.
• Proven ability to own complex features from design through production support.
• Strong collaboration skills with product, QA, DevOps, operations and compliance teams.

Required skills

• C# and .NET framework
• REST API design and implementation
• React and TypeScript
• PostgreSQL database design and performance tuning
• Azure cloud services
• Automated testing (unit, integration, contract, end‑to‑end)
• Idempotency and retry mechanisms
• Webhook integration and event handling
• Version control and CI/CD pipelines