Java Backend Specialist
- India
Posted 5 days ago
About the role
This role is for one of our clients
Industry: Artificial Intelligence
Company Name: Brillio
Seniority level: Mid-Senior level
Experience: 8+ yrs
Location: Bengaluru
Job Type: full-time
Core Technical Skills
Evaluate the candidate's depth in:
- Core Java (Java 8/11/17+ features)
- Spring Boot and Spring ecosystem
- Microservices architecture
- REST APIs, messaging (Kafka/RabbitMQ), and event-driven architecture
- SQL/NoSQL databases and data modelling
- Cloud platforms (AWS/Azure/GCP) and containerization (Docker/Kubernetes)
Deep Java Assessment
Validate strong understanding of:
- Concurrency & Multithreading
- Thread lifecycle, synchronization, locks, Executors, Completable Future
- Concurrent Collections and thread-safe programming
- Race conditions, deadlocks, and their mitigation
- Performance & Optimization
- JVM memory model, heap/non-heap memory
- Garbage Collection concepts and tuning basics
- Profiling, memory leaks, CPU optimization
- Performance bottleneck identification and resolution
- Time & Space Complexity
- Analyse algorithm complexity (Big O notation)
- Selection of appropriate data structures
- Optimizing code for scalability and efficiency
- Collections & Java Internals
- Internal working of HashMap, Concurrent HashMap, HashSet
- equals() vs hash Code()
- String, StringBuilder, String Buffer
- Serialization and Java memory management
- Design Principles
- SOLID principles
- Design patterns (Factory, Strategy, Singleton, Observer, etc.)
- Clean Code and best practices
Architecture & System Design Understanding
Assess the candidate's ability to understand:
- Design scalable, resilient, and secure enterprise applications
- Define microservice boundaries and communication patterns
- Handle scalability, high availability, and fault tolerance
- Apply caching, messaging, asynchronous processing, and resiliency patterns
- Make architecture and technology decisions with clear trade-offs
Technical Leadership
Evaluate whether the candidate can:
- Lead technical discussions and design reviews
- Mentor and guide development teams
- Review code and enforce engineering best practices
- Drive technical decision-making and resolve complex production issues
- Collaborate effectively with architects, product owners, and business stakeholders
Interview Focus
- Prioritize architecture, deep Java expertise, system design, performance optimization, and technical leadership over coding alone.
- Look for candidates who can own end-to-end solution design, troubleshoot complex issues, and lead technical initiatives.
About the company
About Brillio – Turning Disruptions into Competitive Advantages Brillio is the partner of choice for many Fortune 1000 companies seeking to turn disruption into a competitive advantage through innovative digital adoption. Backed by Bain Capital, Brillio is one of the fastest growing digital technolo
Must-have skills
Core Java, Java Concurrency, Multithreading
Good-to-have skills
optimization, architecture, system design
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.