Principal Software Engineer
First seen by Alion on Sep 17, 2026.
Description :
- Own the design and evolution of core platform components, making decisions that balance performance, scalability, reliability, and maintainability
- Drive technical decision-making and architecture design across application, database, and integration layers bringing clarity to complex problems
- Build rapid proof-of-concepts (POCs) to validate ideas, tools, or architectural changes and convert them into production-ready solutions
- Identify and eliminate technical debt strategically, knowing when to refactor and when to ship
- Create reference implementations, design patterns, and internal documentation that raise the baseline quality of all code
- Enforce and improve engineering best practices : coding standards, testing, observability, and documentation
- Perform deep technical analysis and debugging across application, database, and integration layers using logs, stack traces, profilers, and production diagnostics
- Lead deep-dive reviews on production issues, complex defects, and systemic failures
- Proactively identify design flaws, performance bottlenecks, and reliability gaps and lead corrective actions
Requirements :
- 10+ years of software engineering experience with at least 3 years in a senior/staff/principal capacity
- Expert-level Java development with deep understanding of JVM behavior, memory management, concurrency patterns, threading, and performance tuning
- Embraces AI-assisted developmentactively leverages LLMs, AI coding tools, and intelligent automation to accelerate engineering velocity, improve code quality, and multiply team output
- Extensive hands-on experience with Spring Framework : Spring Boot, Spring MVC, Spring Data, dependency injection, and transaction management
- Deep SQL proficiency and hands-on PostgreSQL experiencequery optimization, indexing strategies, partitioning, and operational management at scale
- Excellent debugging skills using logs, stack traces, profilers, APM tools, and production diagnostics
- Production experience with AWS services : S3, SQS, DynamoDB, and related infrastructure
- Track record of designing and operating distributed systems in high-availability environments
- Demonstrated ability to improve team velocity and code quality through technical leadership
- Knowledge of Oracle or other enterprise relational databases
- Familiarity with frontend technologies : JavaScript, Angular, or React
Skills
Java, JVM, Multithreading, Spring Frameworks, Spring Boot, Spring MVC, SQL, AWS, Javascript, Design Patterns, LLM