Senior Backend Developer

Role overview

Responsibilities

• Design, build, and maintain secure, scalable backend services and REST APIs.
• Develop AI extraction pipelines for emails, chats, and documents; implement grounding, validation, confidence scoring, reference data, and RAG.
• Build review, four-eyes approval, confirmation, amendment, and trade-versioning workflows.
• Integrate with CTRM, ERP, contract-management, market-data, and data-lake platforms; build asynchronous processing, retries, idempotency, and reconciliation.
• Maintain PostgreSQL data models, canonical trade data, and audit trails; support VaR position feeds, market data, and overnight risk runs.
• Run containerized AWS services with secure client-hosted AWS or Azure deployment patterns; build logging, monitoring, and alerting.
• Apply secure engineering practices, write automated tests, maintain CI/CD, and provide L3 production support and root-cause analysis.
• Participate in design reviews and provide technical guidance to developers.

Required experience

• At least 7 years of hands-on backend development experience.
• Strong Python experience; frameworks such as FastAPI are cited.
• Experience with REST APIs and event-driven or asynchronous systems.
• Strong SQL and PostgreSQL skills, including data modeling and performance tuning.
• Production AWS experience including ECS or similar, Aurora, S3, IAM, KMS, and Secrets Manager.
• Experience with Docker, CI/CD, infrastructure as code, enterprise integrations, OAuth2, role-based access control, and secure coding.
• Experience supporting production systems, troubleshooting complex issues, automated testing, version control, and structured software development.

Preferred experience

• Preferred: LLM applications such as Amazon Bedrock or Azure OpenAI, RAG, prompt evaluation, and extraction-accuracy measurement.
• Preferred: commodity trading, energy, capital markets, or financial-services technology and understanding of Front, Middle, and Back Office trade lifecycles.
• Preferred: E/CTRM integrations, VaR exposure, Azure or client-owned deployments, and ISO 27001 or similar standards.