Lead Java Developer
First seen by Alion on Oct 27, 2026.
Job Title: Java Developer
Experience: 8- 12 Years
Location: Remote (Full-Time)
Shift timing- 3:30 pm to 12:30 AM IST
Mandate Skillsets : Java 8+ Version, Spring boot & Framework, Multi threading/ Concurrency, Kafka Streaming, Java garbage collection & AWS
We are seeking a highly skilled Senior Java Developer with 7+ years of experience in building scalable, high-performance enterprise applications. The ideal candidate must have strong expertise in JDK 8 or JDK 17, Spring ecosystem, multithreading, Kafka streaming, relational databases, and hands-on experience with AWS cloud services.
Key Responsibilities:
- Design, develop, test, and deploy high-performance Java-based applications.
- Utilize advanced features of JDK 8 / JDK 17 including Streams, Lambda expressions, Functional Interfaces, and modern enhancements.
- Develop RESTful APIs and microservices using Spring Boot, Spring Framework, Spring MVC, and Spring Data.
- Implement and optimize multithreading and concurrency in Java applications.
- Design and implement real-time data streaming solutions using Kafka Streaming.
- Work with relational databases such as DB2, Oracle, and PostgreSQL for schema design, performance tuning, and query optimization.
- Analyze and tune Java Garbage Collection (GC) and memory management for optimal performance.
- Develop and deploy applications on AWS Cloud.
- Work with AWS services such as EC2, S3, RDS, Lambda, CloudWatch, IAM, and EKS (preferred).
Required Skills:
- 8 to 11 years of strong hands-on experience in Core Java.
- Expertise in JDK 8 or JDK 17.
- Strong experience with Spring Boot and Spring Framework.
- Solid understanding of multithreading and concurrency (Executors, Synchronization, CompletableFuture, etc.).
- Hands-on experience with Apache Kafka / Kafka Streaming.
- Strong SQL and database experience with DB2, Oracle, or PostgreSQL.
- Experience in AWS Cloud services and application deployment.
- Deep understanding of Java memory management and Garbage Collection mechanisms.
- Experience in microservices architecture.
- Strong debugging, troubleshooting, and performance optimization skills.
- Ability to work independently in a remote environment.
About Atain:
(http://www.atain.com)
Atain is an enterprise orchestration partner that aligns people, processes, and platforms with AI to redefine work and deliver assured outcomes. It is enabled through the SMART Framework driving superior metrics with AI-redefined work, the TechBud platform, a GenAI foundation built on zero-pilot architecture and ISO 42001 standards, a robust partner ecosystem, and deep domain expertise. Atain's Unified Hub continuously senses, predicts, and re-orchestrates work across people, processes, and platforms to deliver assured outcomes. The centers of skill and scale combine deep expertise with AI to deliver assured outcomes. For more information, visit www.atain.com
Atain is ISO 27001:2013, CMMI SVC Level 5 and ISAE-3402 compliant for IT, and COPC Certified v6.0, ISO 27001:2013 and PCI DSS 3.2 certified for BPO processes. The organization follows Six Sigma rigor for process improvements.
It is our policy to provide equal employment opportunities to all individuals based on job-related qualifications and ability to perform a job, without regard to age, gender, gender identity, sexual orientation, race, color, religion, creed, national origin, disability, genetic information, veteran status, citizenship or marital status, and to maintain a non-discriminatory environment free from intimidation, harassment or bias based upon these grounds.