Senior Backend Engineer - Python/Java
First seen by Alion on Nov 11, 2026.
About the Role:
We are looking for a highly skilled Senior Backend Engineer with strong expertise in Python, Java, and Generative AI to build and own scalable, enterprise-grade financial applications. The ideal candidate should have hands-on experience designing and delivering complex backend systems from concept to production while ensuring accuracy, scalability, and reliability.
Key Responsibilities:
- Design, develop, and own backend services using Python (FastAPI, SQLAlchemy) and Java (Spring Boot).
- Architect scalable APIs, data models, workflows, and business logic for financial systems.
- Build and deploy AI/LLM-powered applications and agentic workflows with structured outputs and evaluation frameworks.
- Develop secure, high-performance applications with robust authentication, authorization, and role-based access controls.
- Design database schemas and large-scale data architectures using PostgreSQL, Snowflake, and related technologies.
- Implement automated testing, CI/CD practices, and infrastructure-as-code solutions.
- Collaborate directly with business stakeholders to translate requirements into production-ready solutions.
Required Skills:
- 5 - 10 years of backend engineering experience.
- Strong programming expertise in Python and Java.
- Hands-on experience with Generative AI, LLMs, AI Agents, and workflow orchestration.
- Expertise in API design, microservices architecture, database design, and cloud-based deployments.
- Experience with unit testing, integration testing, and production support.
- Strong understanding of data correctness, precision handling, auditability, and enterprise application design.
- Exposure to Azure is a strong advantage.
Preferred Domain Experience:
- Candidates with experience in Fund Accounting, Asset Management, Banking, Capital Markets, BFSI, ERP, General Ledger, Reconciliation, Financial Controls, or Accounting Platforms will be highly preferred.
Skills
Python, Java, Generative AI, FastAPI, Spring Boot, PostgreSQL, Snowflake DB