Senior Systems Developer - JAVA

Job Title : Senior Java Developer

Experience : 5 to 12 Years

Shift Timing : 01:00 PM – 10:00 PM

Domain : Clinical Research

Location : Noida, Gurugram & Pune

Work Mode : Hybrid

Job Summary :

We are seeking an experienced Senior Java Developer to join the software team of a leading Clinical Research organization.

The role involves application development and feature enhancement for enterprise products, ensuring high performance, scalability, and code quality.

Mandatory Skills :

Java 8+, Hibernate, Oracle Database, PostgreSQL, JAX-RS (RestEasy), Jackson, REST APIs, JSP, React.js, GitHub, GitHub Actions, SonarQube, SonarLint, and basic AWS services (IAM, SNS, SQS, S3, CloudWatch).

Key Responsibilities :

• Develop and enhance enterprise applications using Java technologies.
• Design and implement RESTful APIs and integrate backend services.
• Write and optimize SQL queries for Oracle and PostgreSQL databases.
• Build and maintain UI components using JSP and React.js.
• Manage source code and CI/CD pipelines using GitHub and GitHub Actions.
• Ensure code quality and maintainability using SonarQube and SonarLint.
• Work with AWS services to support application deployment and monitoring.
• Collaborate with cross-functional teams to deliver high-quality solutions.

Required Skills :

• Strong experience with Java 8 or above and Hibernate framework.
• Hands-on experience with Oracle Database and PostgreSQL, including advanced query writing.
• Proficiency in JAX-RS (RestEasy) and Jackson for REST API and JSON processing.
• Experience in developing web applications using JSP.
• Knowledge of React.js for frontend development.
• Experience with GitHub and GitHub Actions for version control and CI/CD.
• Familiarity with SonarQube and SonarLint for code quality analysis.
• Basic hands-on experience with AWS services, including IAM, SNS, SQS, S3, and CloudWatch.
• Ability to work effectively in a collaborative and fast-paced environment. 

Job Title : Golang Developer

Experience : 3+ Years

Location : Pune, Maharashtra (On-site)

Employment Type : Full-Time

Role Overview :

We are looking for a passionate and skilled Golang Developer with strong computer science fundamentals and hands-on development experience. The ideal candidate should be a logical thinker, self-motivated problem solver, and eager learner who enjoys building scalable and high-performance applications.

Mandatory Skills : Strong hands-on experience in Golang, RESTful API development, PostgreSQL/MySQL, Git version control, and solid problem-solving with computer science fundamentals.

Key Responsibilities :

• Develop, maintain, and enhance backend applications using Golang.
• Write clean, scalable, and efficient code following best coding practices.
• Design and implement RESTful web services.
• Collaborate with cross-functional teams including Product, UX, and QA to deliver quality software on time.
• Take end-to-end ownership and accountability of assigned tasks.
• Contribute to performance optimization and application scalability.

Required Skills :

• Strong hands-on experience in Golang and related frameworks.
• Good understanding of RESTful API development.
• Experience working with RDBMS such as PostgreSQL/MySQL.
• Strong problem-solving skills and solid computer science fundamentals.
• Experience with Git version control.
• Excellent communication skills.

Good to Have :

• Basic knowledge of HTML, CSS, and any JavaScript framework.
• Exposure to Non-relational databases.
• Participation or credentials on platforms like HackerRank/HackerEarth.
• Understanding of end-to-end web application development.

Roles & Responsibilities :

• 1-2 years of hands-on experience in backend development with Java & Spring Boot.
• Build scalable and modular microservices for business-critical applications.
• Implement RESTful APIs and ensure high performance and responsiveness.
• Proficient with SQL databases (MySQL etc) Troubleshoot production issues and improve system reliability and scalability.

About Gobillion

Gobillion is a YCombinator backed IIM-NIT alumni co-founded social commerce startup headquartered in San Francisco, USA with offices in New Delhi, Bangalore and Guwahati. We are bringing e-commerce 2.0 to the next 400 million online customers across India, through a community and social driven approach. Our co-founding has diversified experience with prestigious organizations including McKinsey & Company, Deloitte US, EY, Adobe and SAP Labs.

Gobillion has been rapidly scaling and is backed by some of the world’s most prestigious investors from US, Europe, SE Asia and India including - YCombinator, Justin Mateen (Founder - Tinder), Pioneer Fund, Soma Capital, Venture Souq, Goodwater Capital, LetsVenture, Vikalp Sahni (Co-Founder- Gobibibo) amongst others.

We have been selected for and globally validated by the world’s leading investors/accelerators including YCombinator, Founder Institute Silicon Valley, NASSCOM 10000 Startups - India and Assam Startup. We have been named as the Top 10 Global startup for YCombinator S21 by Alex Mitchell.

Summary of role: As a Developer, you will be working alongside our product team in the conceptualization, design and development of server side components. You will be doing the following on the job

• Write clean, manageable code and maintain proper documentation
• Create, test and deploy and maintain the applications on production servers
• Continuously discover, analyze, and implement new technologies and frameworks to maximize development efficiency
• Lead team in crafting solutions in different areas and ensure timely delivery
• Ensure secure architecture for Servers

Why Join Us?

• You will have a chance to be a leader and have the responsibility to scale Gobillon across India's most fast growing cities
• The opportunity to join one of India’s fastest growing companies at an early stage - We are giving our early team members to benefit from a strong ESOP pool and be part of our growth journey
• Joining an amazing team of Gobillion rockstars from colleges like IIMs, IITs, NITs etc. and from organizations including McKinsey & Company, Deloitte US, EY, Adobe, SAP Labs, Urban Company, Udaan, Amazon, Delivery, Ninjacart, Accenture etc.
• Wear the Gobillion badge with pride - We are looking for owners with a founder’s mindset - not just employees. If you are passionate about our mission about making e-commerce social for the next 400M customers in India and serve as culture carriers - we are the right place for you!

Key Responsibilities of this Role:

• Experience with DevOps and writing REST APIs & Micro services architecture
• Strong programming expertise in Node js, Nest Js
• Good understanding of Mongo databases and other NoSql Databases and SQL Database
• Solid hold on Data structures and Algorithm
• Good understanding of System Design
• Development expertise in AWS services like Lambda, SQS, SNS
• Good understanding of DevOps and Server security
• Exposure to Cloud Platforms like AWS (preferred), Azure or Google Cloud
• Unix command line experience
• Well-versed with Software Development Life Cycle
• Demonstrate the ability to be a self-starter and learn quickly
• Excellent analytical and problem-solving skills
• Passion for learning and implementing new technologies
• Excellent understanding of software Architectures

• Skilled in Java / J2EE including frameworks like Microservices, Spring boot, hibernate etc
• Experience with microservices-based architecture including building
• Good knowledge of SQL (MySQL / Oracle / SQL Server / Postgres), NoSQL (MongoDB / Cassandra), App server Knowledge (Tomcat/JBoss etc.), OSGi, REST Web Services
• Working / Usage experience of Docker, Microservices, Jenkins, Multithreading, Design patterns, Java 1.8 and Container
• Experience with Cloud computing in added advantage (AWS / Azure)
• Strong Debugging and Troubleshooting Expertise.
• Strong communication skills (oral and written)

Backend Developer

Role : Backend Developer

Department : Technology Team

Experience : 2 - 3 Years of working experience in Backend

Experience in a related position from Gaming Industry would be preferred 

Location : South Delhi; 5 Day Working

Qualification : Bachelor’s degree in Technology

Major Skills : Java, NodeJs, Microservices, Data Structures, etc

Ideal Candidate Requirements :

• Experience in development of Java and NodeJs based applications.
• Experience in building microservices from scratch to production level.
• Strong experience in Core Java and MultiThreading
• Good Knowledge of Data Structures
• Worked on Oracle, REDIS and DYNOMITE
• Good Knowledge of Telecom Protocol SIP

Ideal Candidate Skills Requirements :-

• Distributed systems - Microservices - Algorithm design, System Design
• Performance Engineering, Scalability and Architecture
• Gaming Models, Matching and Allocation Algorithms
• Spring Boot, Hibernate, Java reactive, JPA 
• Relational Databases - MSSQL,
• Design Patterns : MVC, Singleton, Adapter, Factory, Builder, Strategy
• Messaging Queues - Apache Kafka
• Cache - Redis
• Search - Elastic Search
• Java
• NoSQL - Mongo, Cassandra 
• Jenkins, GIT, BitBucket, JIRA

Please find the JD details below.

Tech Stack Expected: Java 8/11, Spring Boot,  Spring Cloud, JUnit/Mockito, MySQL, Kafka, Avro, git, Jenkins, PCF, DDD/BDD/TDD.

• We are looking for candidates with strong programming experience of more than 3 years and deep knowledge on data structure and algorithms.
• Need strong in Spring Cloud
• Strong experience in Microservices
• DS and Algorithms: looking for problem solving skills. Who can Optimize code
• PCF: Manage the pipeline by Developer. Dev need to own it.
• Fundamental knowledge on Docker and Kubernetes will be helpful. Know how on Scale up and down etc...
• Secure coding practices
• Nice to have Pair programming experience:

Job Summary:

• Willingness to work on highly scalable cloud-native solutions based on microservices.
• Quickly learn the technologies and deliver using the same.
• Take complete ownership of the customer requirements.
• Motivated to deliver world-class quality.
• Inclined to bring new ways of thinking, working and providing solutions.
• Drive the concept of quality into everybody and have a zero-tolerance towards bad quality.

• Understand requirements from product management, customer and able to comprehensively break this down to manageable tasks.

Experience:

● 3-9 years of development experience.

Technical Skills:

Mandatory:

• Java - Advanced concepts concurrency, reflection, lambda, Java Springboot, Spring security,
• Actuator/Prometheus/Grafana/Servo (metrics),
• EFK/ELK stack (log analysis)
• OpenAPI/Swagger (documentation)
• RDBMS (PostgreSQL, MySQL, Maria or any other)
• NoSQL (Anyone of Mongo DB, Redis, Cassandra, Neo4J or other DBs)
• Automated unit tests/e2e tests (JUnit, TestNG, RestAssured etc)
• CI/CD pipelines (Jenkins, Sonar, Maven/Gradle etc)

Optional: (But highly recommended)

• NewSQL DB (TiDB, CockroachDB)
• AMQP/RabbitMQ
• Kafka
• Docker
• Kubernetes