Backend Web Developer

Job Title: Senior Java Developer

Location: Mumbai (On-site)

Notice Period: Immediate Joiners Preferred / 15 Days or Less

Job Description:

We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.

Key Responsibilities:

• Lead end-to-end design, development, and deployment of Java applications
• Translate functional and technical requirements into detailed design
• Build scalable, secure, and high-performing applications
• Develop and consume RESTful APIs and ensure seamless integration
• Implement microservices architecture and containerized deployments
• Write clean, efficient, and well-documented code
• Perform code reviews, debugging, and performance tuning
• Collaborate with DevOps for CI/CD and production deployments
• Guide junior developers and conduct knowledge-sharing sessions
• Stay updated on new technologies and industry trends

Required Technical Skills:

• Languages & Frameworks:
• Core Java, J2EE
• Spring Framework (Spring Boot, Spring MVC, Spring Security)
• Hibernate / JPA
• Apache Maven / Gradle
• API Development & Integration:
• RESTful APIs, JSON, Swagger/OpenAPI
• Databases:
• MySQL, PostgreSQL, Oracle
• MongoDB, Redis (preferred)
• Frontend Exposure (Optional but Preferred):
• HTML, CSS, JavaScript, jQuery
• Angular / React
• Tools & Platforms:
• Git, GitHub / GitLab / Bitbucket
• Jenkins, Docker, Kubernetes (basic knowledge)
• SonarQube, Log4j, ELK stack (preferred)
• Cloud & DevOps (Good to Have):
• AWS (EC2, S3, Lambda, RDS), Azure or GCP
• CI/CD pipeline setup
• Architecture & Patterns:
• Microservices, MVC, Design Patterns
• Event-driven architecture (Kafka/RabbitMQ is a plus)
• Testing:
• JUnit, Mockito
• Postman, REST Assured

Soft Skills:

• Excellent problem-solving and debugging skills
• Strong communication and collaboration abilities
• Ability to lead and mentor a team
• Time management and task prioritization
• Adaptable and quick learner

Qualifications:

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 5+ years of relevant software development experience
• Relevant certifications (Oracle Java, AWS, PMP) are a plus

Eligibility Criteria:

• Must be currently residing in Mumbai
• Must be able to join within 15 days or less
• Immediate joiners preferred

Mentoring teams to carry forward recognised and optimised solutions, building conducive environments for knowledge transfer and maintaining standards in terms of deliveries form a major part of responsibilities.

Responsibilities

• Design and develop robust scalable database systems
• Design, build and deploy internal applications to support our native technical ecosystem
• Collaborate with Subject-Matter experts to design data-driven modules for analysis

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Systems, Engineering or equivalent
• 3-4 years of experience in Java

Skills

• Expertise in object-oriented programming concepts and data structures
• Strong knowledge of working with XMLs/Jsons
• Experience with large-scale distributed storage and database systems (MySQL, MongoDB, GraphDB)
• Good knowledge of indexing/search libraries like Lucene/Solr/Elasticsearch
• Exposure to Spring MVC architecture and RESTful APIs
• Well-versed with Agile methodology of SDLC
• Good to have: Knowledge of standard DevOps skills like Build tools (Maven/gradle), Continuous integration (Jenkins), Version Control (Github/Gitlab)

If you’re one of the best and brightest, a highly-motivated innovator, a fast worker, and a fierce competitor, you might be just the person we’re looking for! Entrata’s Research and Development department is seeking a Software Engineer. You will spend a lot of time working with senior architects and directors, designing database schema, and laying out the basic code architecture so an offshore team can run with it. You will also be tasked with projects that you will own and see through to completion.

Responsibilities will include:

• Write well-designed, testable, efficient code 
• Solve technical problems by working closely with Development Managers, UX, Product Managers, and offshore teams
• Designs high-performance database schema and code architecture for their products
• Empower offshore teams to rapidly deliver stable, high-performing, and reliable code. This requires frequent interaction with them by teleconference.
• Reviews and corrects code for quality and design through constant evaluation of product code and getting involved in complicated or sensitive code
• Maintain database queries and write scalable SQL
• Contribute in all phases of the development life-cycle (back-end and front-end)
• Participate in and advocate for Agile and Scrum activities
• Prepare and produce releases of software components
• Handle high traffic website operations, be proactive with maintenance, and exhibit problem-solving skills to ensure optimal working and performance of the websites
• Build interfaces and change existing functionalities and logic of existing code for improvement
• Understand standard systems development life-cycle processes and apply agile methodology effectively on client & internal engagements
• Apply knowledge of industry trends and developments to improve service to the client and internal project

Minimum Qualifications:

• 2-5 years of development experience (PHP is preferred)Experience working with web-based applications and processes
• SQL and her database knowledge
• Strong written and verbal communication
• Ambitious, dedicated, and a little eccentric
• Team-oriented, willing to standardize code and architecture

Preferred Qualifications:

• Bachelor's Degree in Computer Science or related field preferred
• Experience with microservices
• Experience working with offshore teams

About Us

Instavans is a Logistics tech startup focused on the development of SaaS products for the Road Trucking industry. Instavans has built and rolled out SmarTruck™, a SaaS based TMS with a private marketplace. SmarTruck has customers in India & the MENA region and is poised to enter Latam and Sub-saharan Africa.

The company’s innovative go-to-market plan involves working with large Shippers and 4PLs (Fourth Party Logistics Service Providers) to synergistically bring their Carriers on board.

We are looking for people to help us supercharge our growth, while we continue to embody the values that have got us so far already. As we are a rapidly growing company you will gain exposure to all areas of the platform, understanding the key success drivers at an engineering team and gaining invaluable experience for your future career. Success in this role will lead to opportunities for growth across the entire engineering team with significant scope for future development.

We have openings in Frontend (Angular 8+), Backend(Node.js), Android (Kotlin) and QA (Automation)

Responsibilities:

• Crawl the internet/intranet for issues people are facing and convert them in to stuctured data that would be consumed downstream.
• Familiar with the software development life cycle (SDLC) from analysis to deployment.
• Comply with coding standards and technical design.
• Adapts structured coding styles for easy review, testing, and maintainability of the code.
• Integrate the developed functionality and/or component into a fully functional system.
• Ensure unit and integration level verification plans are in place and adheres to the great quality of code at all times.
• Actively participate in troubleshooting, debugging and updating current live system.
• Verify user feedback in making the system more stable and easy.
• Work closely with analysts, designers, and other peer developers.

Requirements:

• Bachelor's degree in computer science or equivalent practical experience.
• Understanding of OOPS concepts, Persistence, Threading.
• Good understanding of version control system (GIT).
• Knowledgeable in data structures and algorithms.
• A background in Engineering with sound oral and written communication skills.
• 6+ years of experience working on the server-side.
• Exposure to API designing, scalable architecture, and thorough understanding of systems.
• Great database modeling skills.
• Working knowledge of Databases, both relational (such as PostgreSQL) and in-memory database (such as Redis).
• Good understanding of web stack and how all the pieces fit together.
• Experience with open-source projects.
• Experience in designing interactive applications.

• Build efficient, effective, reusable and testable PHP modules.
• Responsible to write clean and well-structured code.
• Solve complex performance problems and architectural challenges.
• Prepare and maintain all applications utilizing standard development tools.
• Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues.
• Maintain as well as edit current websites and write semantic markup.