Senior Software Development Engineer
First seen by Alion on Sep 18, 2026.
Key Responsibilities:
- Design, develop, and maintain scalable enterprise applications and REST APIs using C# and .NET.
- Develop efficient and optimized solutions using strong Data Structures & Algorithms concepts.
- Design and implement robust database structures, queries, and stored procedures using SQL.
- Perform SQL query optimization and performance tuning for high-volume applications.
- Implement business logic involving FIFO (First-In, First-Out) processing.
- Develop and maintain Average Cost calculation logic for financial and investment-related systems.
- Build and integrate RESTful APIs with internal and external systems.
- Troubleshoot complex technical issues and perform root-cause analysis.
- Write clean, maintainable, scalable, and well-tested code.
- Collaborate with product, engineering, and business teams to understand requirements and deliver reliable solutions.
Required Skills:
- Strong experience with C#, .NET, and SQL.
- Good understanding of Data Structures & Algorithms (DSA).
- Experience in database design, query optimization, and SQL performance tuning.
- Experience implementing FIFO logic.
- Knowledge of Average Cost calculations.
- Experience designing and developing REST APIs.
- Strong problem-solving and debugging skills.
- Experience in Trading, Investment, or Capital Markets is highly preferred.
Interview Expectations:
- Candidates should be able to:
1. Solve live coding problems using DSA.
2. Explain their approach and write clean, optimized code.
3. Handle edge cases and analyze time and space complexity.
4. Demonstrate strong logical thinking and problem-solving skills.
5. Have experience with coding platforms such as LeetCode or HackerRank (preferred).
Skills
.Net, C#, SQL, Data Structure, Algorithm, RESTful, Performance Tuning