Java Developer

🧠 Job Description: Senior Java Developer (8+ Years Experience)

Location: Mumbai, India

Employment Type: Full-time, Hybrid mode of working

Company: Wissen Technology

Website: www.wissen.com

🚀 About Wissen Technology

Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.

• 🌍 Offices in US, UK, India, Australia, Mexico, and Canada
• 👥 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
• 🏆 Great Place to Work® Certified
• 🧠 Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
• 📈 Achieved 400% revenue growth in 5 years (with zero external funding)
• 💼 Delivered $1B+ worth of projects to 50+ Fortune 500 companies

Learn more about our work and thought leadership:

📄 Articles by Wissen | 💼 LinkedIn

About the Role

We are seeking an experienced Senior Java Developer with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals in Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.

Key Responsibilities

• Design, develop, and maintain complex applications using Core Java and Spring frameworks
• Apply advanced Object-Oriented Programming (OOPS) principles to deliver clean, modular, and reusable code
• Implement and optimize multithreaded applications for high-performance systems
• Work with SQL databases for efficient data modeling, query optimization, and integration
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
• Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
• Mentor junior developers and contribute to technical knowledge sharing within the team
• Ensure application scalability, performance tuning, and security compliance

Required Skills & Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 8+ years of professional experience in Java development
• Strong expertise in Core Java, OOPS, and Multithreading
• Hands-on experience with Spring concepts (Spring Core, Spring MVC, Spring Boot preferred)
• Proficiency in SQL and database design (MySQL, Oracle, PostgreSQL, etc.)
• Solid understanding of software development life cycle (SDLC) and Agile methodologies
• Strong analytical, problem-solving, and communication skills

🌟 Why Wissen?

Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.

Essential Responsibilities:

Demonstrate the understanding of Agile software development life cycle and distinguish the core inputs and outputs in each cycle.

Work closely with your peers and keep engaging in a fast pace technical design and development team

Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals

Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy

Maintain code quality through best practices, unit testing and code quality automation

Demonstrate the ability to make informed technology choices after due diligence and impact assessment

Help in designing interfaces and information exchange between modules

Articulate the need for scalability and understand the importance of improving quality through testing.

Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project

Drive design reviews, define interfaces between code modules, and apply existing technology to designs

Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Desired Skills:

Java, Spring,Microservices

We are a digital transformation boutique with an elite group of software scientists. Our passion is to develop highly modular systems that scale seamlessly. We develop enterprise solutions involving data engineering, system integration, enterprise search & and analytics. Our clients like us for getting to the crux of the business problems and coming up with futuristic solution approaches with our design thinking.

Job description

Brevitaz Systems is looking for Java developers with deep knowledge of the Java ecosystem. We are looking for self-motivated engineers who are excited about building high-quality and high-performance software backends.

Here is what you will be doing on your journey with us.

What we offer

• Open, positive, and learning culture surrounded by helpful colleagues with a growth mindset
• Work with client teams consisting of decades of experience in various technologies & domains
• Best-in-industry salary standards
• 5 days work week
• Family health insurance cover
• No-politics and values-driven culture
• Occasional WorkFromHome even in non-COVID19 times
• Contribute to large-scale products used by Fortune 100 companies
• Opportunity to work on highly distributed systems

Must have

• Proactive and inherent nature of working with ownership
• Ability to understand and explain requirements clearly, and ask necessary questions to remove any ambiguity
• Strong core Java & OOP fundamentals
• Excellent communication skills
• Experience with complex SQLs and stored procedures (MySQL/Postgres/Oracle)
• Experience in taking decisions on high-level designs in distributed cloud backend systems
• Experience in working with one of the web frameworks (SpringBoot/Struts2)
• Experience in working with one ORM technology (JPA/Hibernate)
• Debugging & troubleshooting skills
• Ability to coach & mentor colleagues effectively

Roles and Responsibilities

• Actively participate in client calls for requirement grooming and designing
• Participate in design discussions with fellow team members and client
• Present groomed tickets and designs to team members for design discussion
• Performance optimization of existing use cases by understanding code, architecture, database design, and stored procedures
• Developing Java code, SQL, and stored procedures for new features and enhancements
• Ensure best practices of code reviews and defect-free deliveries
• Research new tools & technologies required for the project

Join hands with us to build intuitive products for our valued clients!

You will be working hands-on on a complex and compound product that has the potential to be used by millions of sales and marketing people around the world. Your contribution to delivering an excellent product platform that:

• enables quick iteration
• supports product customization
• and handles scale

What do we expect you to have?

• 2+ years of experience in backend engineering
• An intent to learn and an urge to build a product by learning different technologies
• Interest in writing complex, scalable, and maintainable backend applications
• Tech stack requirements:

Must haves

• Experience in building application server in Java (Spring / Spring boot) / NodeJS / Golang / Python
• Experience in using SQL databases and designing schemas based on application need
• Experience with container services and runtimes (docker / docker-compose / k8s)
• Experience with cloud paas (AWS / GCP / Azure cloud)
• Experience and familiarity with microservices’ concepts
• Experience with bash scripting

Good to have (Preferred)

• Preferred experience with org wide message queue (rabbitmq / aws sqs)
• Preferred experience with task orchestration services (apache airflow / aws step function)
• Preferred experience with infra as code (or system configuration) tools (terraform / chef / ansible)
• Preferred experience with build essential tools (make / makefile)
• Preferred experience with monitoring and tracing systems for performance / system / application monitoring (grafana + loki + prometheus / aws cloudwatch)

What will you learn?

• Building highly available, complex, compound, performant systems of microservices platform that acts as an API layer
• Industry-standard state-of-the-art tools + methodologies + frameworks + infra for building a product.
• Fable is not a trivial CRUD app. It requires a lot of consideration and care for building the API layer as the product is highly customizable per user.
• How different functions (sales, marketing, product, engineering) in a high-velocity product company work in synergy to deliver an iterative product in real life.

Who would you be working with?

• You would be directly working with the co-founder & CTO who has built multiple companies before and has built large teams in large-scale companies like ThoughtSpot, Unacademy, etc.

Position details

• Fully remote.
• 5 days/week (all public and government holidays will be non-working days).
• No specific work hours (we will sync over zoom over the course of the day).

SaaS (Mandatory)and Java, Spring boot, Azure is good go

Skills Required:

· Strong application development and design experience in highly Scalable enterprise JAVA/J2EE systems.

· Strong experience in complex application design, ability to provide solutions, design Concepts, design patterns.

· Strong understanding of Java best practices, system scalability, and performance tuning.

· Expertise in Spring (MVC, CORE, Boot, JDBC).

· Strong Knowledge of Restful services, XML, JSON are required.

· Having knowledge in Hadoop/Bigdata/ETL/Reporting systems is a plus.

Technical skills required:

Skills: Java 8 and above, Rest Web services, MySQL.

Strong background in Core Java and good knowledge of collection Framework.

Proficient in developing high-performance, less memory-intensive micro-services applications using the Java framework.

Should have deep knowledge of Micro-service development.

Artwork Flow website: https://www.artworkflowhq.com/">https://www.artworkflowhq.com 

Bizongo: https://www.bizongo.com">https://www.bizongo.com 

Artwork Flow is the Global SAAS platform by Bizongo for Product Packaging Management and Label Proofing. It’s a cloud-based collaboration platform to review & approve creative packaging projects to accelerate new product launch.

We are helping brands across industries such as Food and Beverages, Pharmaceuticals, Cosmetics, Personal Care, Chemicals, Consumer goods, and more.  Our capterra score of 4.5 is a testimony to our customer obsession.

We function as a startup within Bizongo and we are looking to onboard driven individuals for Product and Engineering, as we grow Artwork Flow into North America, Europe and other global markets.

We have a few of the best investors on board including the likes of Accel, Chiratae, B-Capital Group, IFC (World Bank group), CDC group and Schroeder Adveq

You’ll be a great fit if you:

• Strong proficiency in Java and building scalable enterprise applications
• Can think of architectural design at scale
• Love solving complex and challenging problems
• Have good knowledge of design and architectural patterns
• Thrive to implement Industry’s best practices and coding standards
• High obsession for Quality and Performance
• Good knowledge on performance optimization, SQL tuning, caching techniques
• Like to collaborate with people, share knowledge, learn from others and mentor juniors

Additional Perks - 

• Medical Insurance 
• Flexible Work hours 
• Casual Dress Code 
• Recreational Facility

About the Company
Based in California’s Silicon Valley, WebShar is focused on enabling innovative teams to bring their ideas to life. WebShar provides software development consulting services to innovative companies around the world. Through years of cutting edge technical expertise, the WebShar team utilizes their extensive knowledge of modern software development methodologies to help companies create innovative software solutions.

About the Job Role

 Primary  

• Java, J2EE, Spring MVC
• Hibernate or other ORM
• Web technology and security, REST framework
• Any one UI technology and ready to learn a new one.
• Database knowledge (MySQL, Oracle, Postgres)
• Unit testing frameworks
• Version Control (Eg., Git)

Good To Have  

• Microservices architecture implementation using docker and kubernetes
• Web technologies like HTML, CSS and Javascript
• Python, Shell Scripting

• Identify and analyze user requirements
• Prioritize, assign and execute tasks throughout the software development life cycle
• Document development phases
• Design database architecture
• Develop Java EE applications
• Write well-designed, efficient code
• Review, test and debug team members’ code
• Schedule product releases with internal teams
• Ensure our applications are secure and up-to-date
• Stay up-to-date on emerging technologies

• 6 to 8 years of work experience as a Senior Java Developer or similar role
• Experience designing, building and testing Java EE applications
• In-depth knowledge of popular Java frameworks like Spring MVC
• Experience with Object-Oriented Design (OOD)
• Good delegation and time management skills
• Problem-solving abilities
• BSc in Computer Science, Engineering or relevant field