Senior Software Engineer
First seen by Alion on Oct 6, 2026.
Senior Software Engineer - Java
Location : Gurugram
Experience : 3 - 6 Years
Employment Type : Full-time
Industry : Product / FinTech
About the Role :
We are looking for a Senior Software Engineer - Java to join our engineering team in Gurugram. The ideal candidate will have strong hands-on experience in Java backend development and should ideally come from a product-based technology company.
Key Responsibilities :
- Design, develop, and maintain high-performance, scalable backend applications using Java.
- Build and enhance RESTful APIs and backend services.
- Work with cross-functional teams including Product, Engineering, QA, and DevOps to deliver high-quality products.
- Write clean, maintainable, and well-tested code following engineering best practices.
- Participate in architecture discussions, code reviews, and technical design decisions.
- Troubleshoot production issues and drive effective root-cause analysis.
- Optimize application performance, scalability, reliability, and security.
- Contribute to engineering standards, automation, and continuous improvement.
- Mentor junior engineers and contribute to a strong engineering culture.
Required Skills :
- 3 - 6 years of hands-on software development experience.
- Strong proficiency in Java and object-oriented programming.
- Strong understanding of Data Structures, Algorithms, and System Design.
- Experience developing REST APIs / Microservices.
- Good knowledge of Spring Boot / Spring Framework.
- Experience with SQL and relational databases such as MySQL/PostgreSQL.
- Understanding of multithreading, concurrency, JVM, and performance optimization.
- Experience working with Git and CI/CD practices.
- Strong debugging and problem-solving skills.
- Experience working in product-based companies is preferred.
Good to Have :
- Experience in FinTech / Payments / Banking / Financial Services.
- Exposure to Kafka or other messaging/streaming platforms.
- Experience with AWS / Azure / GCP.
- Knowledge of Redis / caching technologies.
- Experience with distributed systems and high-volume applications.
- Exposure to Docker/Kubernetes.
Candidate Profile :
We are looking for engineers who :
- Have worked on consumer-facing or B2B products rather than purely service-based projects.
- Have experience building scalable and reliable backend systems.
- Can independently own features from design through deployment.
- Are comfortable working in a fast-paced, product-driven environment.
- Demonstrate strong ownership, problem-solving, and communication skills.
Preferred Background :
Target companies : Product-based technology companies, FinTechs, SaaS companies, consumer-tech companies, e-commerce, marketplaces, payments, and other high-scale technology businesses.
Skills
Backend Architecture, Java, RESTful API, OOPS, Spring Frameworks, SQL, RDBMS, Microservices Architecture, MySQL, Kafka