Java AWS Developer

Three Across; Mumbai; On-site; INR 2,800,000 - 4,200,000; Full time

Job summary

Three Across is seeking a Senior Java/Python Engineer to design and develop scalable applications using Java/J2EE and Python. You will work with AWS services (EC2, S3, EKS, Lambda) and implement event-driven solutions with Apache Kafka.

The role includes building containerized apps with Docker, leveraging serverless tech, and adhering to TDD with JUnit in an Agile setting. The ideal candidate has 9+ years of hands-on experience, strong fundamentals, and excellent communication and collaboration

Qualifications

• 9+ years of hands-on software development with Java/J2EE and/or Python.
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Responsibilities

• Design and develop scalable applications using Java/J2EE and/or Python.
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Skills

Java/J2EE

Python

AWS

Kafka

Multithreading

JUnit

Git

Maven/Gradle

SQL/NoSQL

Agile

Communication

Tools

Docker

Terraform

AWS Step Functions

Job description

Senior Java/Python Engineer | AWS | Kafka

We are looking for an experienced Senior Java/Python Engineer with 9+ years of hands-on experience in application design and development, with strong expertise in Java/J2EE and/or Python and cloud-native development on AWS.

Key Responsibilities & Technical Expertise

• Design and develop scalable applications using Java/J2EE and/or Python.
• Work extensively with AWS services including EC2, ECS, S3, EKS, Fargate, Aurora, Elasticsearch and Lambda.
• Design and implement event-driven solutions using Apache Kafka and other messaging/streaming technologies.
• Develop and manage containerized applications using Docker.
• Work with AWS serverless technologies including Lambda and Step Functions.
• Apply strong knowledge of Java/Python language fundamentals, including interfaces, generics, annotations, reflection and closures.
• Develop multi-threaded applications with a strong understanding of thread safety and concurrency principles.
• Follow Test-Driven Development practices using JUnit and mocking frameworks.
• Work with Git, Maven/Gradle and CI/CD processes in an Agile development environment.
• Develop and support applications deployed on application servers such as Tomcat and WebLogic.
• Work extensively with RDBMS and SQL, with exposure to NoSQL databases such as DynamoDB and MongoDB.
• Collaborate effectively with business users, architects and development teams.

Required Skills & Experience

• 9+ years of hands-on software development experience with Java/J2EE and/or Python.
• 3+ years of hands-on AWS experience.
• Strong expertise in Apache Kafka and messaging/streaming platforms.
• Strong understanding of Docker and AWS serverless technologies.
• Strong programming fundamentals, multithreading and thread-safety concepts.
• Experience with JUnit, mocking, Git, Maven/Gradle and Agile methodologies.
• Strong RDBMS and SQL knowledge with working knowledge of NoSQL databases.
• Excellent communication and collaboration skills.

Good To Have

• Experience with IaaS and Terraform.
• Experience with AWS Step Functions and broader cloud-native architecture.
• Food for Thought: The strongest engineers don't just write code they design systems that remain reliable, scalable and maintainable when complexity starts to grow. If that mindset sounds like you, we'd like to hear from you.