Senior Java Developer

Responsibilities:

• Lead simultaneous development for multiple business verticals.
• Design & develop highly scalable, reliable, secure, and fault-tolerant systems.
• Ensure that exceptional standards are maintained in all aspects of engineering.
• Collaborate with other engineering teams to learn and share best practices.
• Take ownership of technical performance metrics and strive actively to improve them.
• Mentors junior members of the team and contributes to code reviews.

Requirements:

• A passion to solve tough engineering/data challenges.
• Be well versed with cloud computing platforms AWS/GCP
• Experience with SQL technologies (MySQL, PostgreSQL)
• Experience working with NoSQL technologies (MongoDB, ElasticSearch)
• Excellent Programming skills in Python/Java/GoLang
• Big Data streaming services (Kinesis, Kafka, RabbitMQ)
• Distributed cache systems(Redis, Memcache)
• Advanced data solutions(BigQuery, RedShift, DynamoDB, Cassandra)
• Automated testing frameworks and CI/CD pipelines Infrastructure orchestration(Docker/Kubernetes/Nginx)
• Cloud-native tech like Lambda, ASG, CDN, ELB, SNS/SQS, S3 Route53 SES

Oister Global (www.oisterglobal.com) is India’s premier Alternative Assets Manager. We combine robust diligence, deep domain expertise, and an extensive network to create high quality private market opportunities for our investors.

We are seeking a Senior Backend Developer who will be pivotal in architecting and developing scalable, reliable backend systems from scratch. You will work closely with product managers, designers, and other engineers to build new products, design backend architectures, and ensure high performance and responsiveness of the systems. This role requires strong backend fundamentals, cloud experience, a deep understanding of databases, and a passion for system design and architecture.

Key Responsibilities:

● Product Development: Architect, design, develop, test, and deploy new backend products and features from scratch.

● System Design: Take ownership of system design and architecture decisions for new modules, ensuring scalability, reliability, and security. ● API Development: Build efficient and reusable APIs and backend services using Node.js.

● Database Management: Design data models, optimize queries, and manage MongoDB clusters efficiently.

● Cloud Management: Deploy, maintain, and optimize services on AWS, ensuring high availability and performance.

● Best Practices: Maintain coding standards, ensure code reviews, and champion best practices in security, testing, and maintainability.

● Collaboration: Work closely with frontend developers, product managers, QA, and other cross-functional teams to define, design, and ship new features.

● Performance Optimization: Monitor system performance and ensure system uptime and responsiveness.

● Mentorship: Provide guidance and mentorship to junior developers as required.

● Documentation: Maintain thorough documentation of systems, processes, and best practices. Must-Have

Qualifications:

● Education: Bachelor’s degree in computer science, Software Engineering, or a related technical field.

● Experience: 4–5+ years of hands-on backend development experience.

● Expertise in: Node.js (Express.js, Nest.js or similar frameworks) MongoDB (including indexing, replication, sharding concepts) AWS Services (EC2, S3, Lambda, RDS, API Gateway, CloudWatch, IAM, etc.) Proficient in: System design principles Microservices architecture Event-driven architecture Strong understanding of: RESTful APIs.Authentication and authorization best practices (OAuth, JWT) Experience with: CI/CD pipelines Docker and containerization principles Hands-on experience in: Building scalable, distributed, and fault-tolerant systems Good knowledge of : Logging, monitoring, and debugging distributed applications

• Determine the appropriate approach for new software assignments
• Provide solutions to overcome complex problems using the latest technologies
• Developing high-quality and detailed designs, Identify, prioritize and execute tasks in the software development life cycle
• Proactively communicate with the client to get things done within the deadline.
• Develop tools and applications by producing clean, efficient code.
• Automate tasks through appropriate tools and scripting
• Provide high-level maintenance and update of an existing applications to improve functionality and process flow
• Oversee the maintenance of technical documentation of applications as architecture, code, and procedures

• 3+ Experience with RPA software (UiPath) (ONLY/MANDATORY)
• Experience in programming .NET (C# or VB), Java + Node.JS-based programming
• UiPath RPA Implementations and Working Knowledge: Studio, BOTs, Orchestrators, RE Framework and Three E2E Implementations as a Core RPA Developer.
• Skill with scripting languages such as VBA/VBS, Python, NodeJS and JavaScript
• Proficiency with Microsoft Power Platform, SQL and NoSQL database experiences
• Orchestrator configuration and component usage knowledge
• hands on experience of orchestrator queue and load distribution
• Proficiency with JIRA, Jenkins, Github, Artifactory and CI/CD development
• Excellent analytical and problem-solving skills, including business process expertise
• Experience developing design documents for automation processes

Key Responsibilities 

Minimum Qualification 

About the Role

In this role, you'll work on design, implementation, and test for Dremio's system internals. If you want to be part of a fast-moving, fun, and accomplished team, we'd love to hear from you.

Responsibilities & ownership

• Own design, implementation, testing, and support of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
• Capable of working Individually and collaboratively with other engineers.
• Collaborate with support and field resources to make sure that customers are successful with Dremio

Requirements

• Fluency in Java and/or C++ with 3 to 5+ years of experience developing production level software
• Strong foundation in data structures, algorithms, multi-threaded and asynchronous patterns and their applications towards developing scalable systems
• Experience developing scalable distributed systems and deploying, scaling, and managing microservices
• Experience with  containers and kubernetes for orchestration and container management in private and public clouds (AWS, Azure, Google Cloud) a plus
• Excellent communication skills and affinity for collaboration and teamwork
• Interested in and motivated to be  part of a fast-moving startup with a fun and accomplished team
• Startup experience a plus
• B.S. or M.S in Computer Science or a related technical field or equivalent practical experience

Job Description: 

We are looking for a Java developer responsible for developing Web applications using Core Java and JDBC. Your primary responsibility will be to quickly learn to design and develop applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality is essential.

• Excellent knowledge of object-oriented programming.
• Well-versed in Core Java (1.7 and above preferable, with knowledge of new features like Executor framework, Generics, etc.).
• Excellent experience of collections, HashMap, concurrency packages, Exception Handling and Array List, sorting algorithm.
• Strong knowledge and understanding of real-time, low-latency multi-threaded server-side java code.
• Familiar with various design and architectural patterns.
• Skill for writing reusable Java libraries.
• Knack for writing clean, readable Java code.
• Experience with both external and embedded databases.
• Understanding fundamental design principles behind a scalable application.
• Basic understanding of the class loading mechanism in Java.
• Creating database schemas that represent and support business processes.
• Should possess good communication skills (both oral and written).
• Must be completely hands-on and an individual contributor and a self-starter.
• Must be able to complete assignments (suitable to his/her experience) with minimal assistance.
• Very good at Analytical and Logical skills.
• Solid understanding of the web development lifecycle.
• Ability to learn quickly and deliver software on time.

If you are looking forward for this opportunity, kindly apply with us with below asked details:

Total Experience:

CTC:

ECTC:

NP:

Current Location:

Hometown:

Technologies

Must have                         Core JAVA, J2EE, Multithreading, OOPS, and Multiprocessing

Great to have                   RabbitMQ, Netty, XML, JSON, Messagepack

Huge Advantage:             Good at mathematics, statistics, complex data structures, algorithms, and design patterns

Other skills

• Ability to understand most complex and challenging problems and solve them from users’ view point
• Ability to create and present software designs (as per the aligned solution) to the product owner
• Ability to build and create modules from scratch.
• Ability to write, understand and deal with large code base
• Experience in understanding and implementing design patterns
• Ability to provide technical leadership to a team of equally talented, efficient and motivated engineers

Roles and responsibilities

• Responsible for solving the most complex and seemingly impossible problems related to variety of dimensions of software engineering. Dealing with Big Data to Complex Data Structures, From Inter Process Communication to sub 100 MilliSec server responses, From Distributed Systems to 99.999 Availability.
• Responsible for providing technical leadership to a team of 3-4 Engineers
• Responsible to drive delivery of a project/module and report to Product Owner
• Responsible for functional/technical tracking of a project/module

Responsibility Split

• 80% Technology, 20% Team management
• With 80:20 split this is definitely a technology oriented role suitable for geeks.