Wissen Technology is hiring for Senior Python Backend Developer

About Wissen Technology:

Job Summary:

Own the core processing engine and the services around it, the code that turns a day of financial events into millions of journal lines inside a fixed batch window. The most performance and correctness critical seat on the team.

- Experience: 5 - 10 Years

- Location: Bangalore

- Mode of Work: Hybrid

- Education Qualification: MCA/B.E/B.Tech/MTech

Key Responsibilities & Duties:

- Own the processing engine: set-based SQL inside Python services, concurrent processing, agile work partitioning, dimension keys, ledger fan-out

- Own batch orchestration end to end: data-quality gate, currency translation, revaluation, snapshots, period close, every stage idempotent and resumable

- Own performance and concurrency: transaction boundaries, chunk sizing, deadlock handling with backoff, connection usage

- Design services, inter-service contracts, retry semantics and API versioning

- Design and implement REST APIs for processing, configuration and reporting

- Build accounting capability: manual journals, unposting, approval workflow, maker/checker rule lifecycle, suspense,



year-end roll, GL export

- Integrate message queues with duplicate controls, dead-lettering and replay

- Write tests for data-intensive logic; mentor junior backend developers

Skills Preferred:

- 5-10 years professional Python, including asynchronous programming

- Production depth in FastAPI, Django or Flask

- Expert SQL and strong PostgreSQL: set-based design, plan awareness, upserts, isolation levels, locking

- REST API design at scale and microservice architecture in practice

- Demonstrated high-volume batch engineering, has taken a workload from hours to minutes and can explain why it worked

- Correctness engineering: idempotency, exactly-once under retry, reconciliation, financial precision

Wissen Sites:

- Website: www.wissen.com

- LinkedIn: https://www.linkedin.com/company/wissen-technology

- Wissen Leadership: Leadership Team | Wissen

- Wissen Live: https://www.linkedin.com/company/wissen-technology/posts/feedView=All

- Wissen Thought Leadership: https://www.wissen.com/articles

📌 Senior Python Backend Developer (Bengaluru)
🏢 wissen technology
📍 Bengaluru