DotNet Developer

Job Title : Java Backend Developer

Experience : 3 to 6 Years

Locations : Bangalore / Gurgaon (Hybrid – 3 Days Work From Office)

Shift Timings : 11:00 AM – 8:00 PM IST

Notice Period : Immediate to 15 Days Only

Job Description :

We are looking for experienced Java Backend Developers with strong expertise in building scalable microservices-based architectures. The ideal candidate should have hands-on experience with Spring Boot, containerized deployments, and DevOps tools.

✅ Must-Have Skills :

• Java – Strong programming skills in core Java.
• Spring Boot (2.x / 3.x) – Deep understanding of microservices architecture and patterns.
• Microservices – Design and implementation experience.
• Kubernetes – Experience deploying and managing microservices
• Jenkins & Maven – Build and CI/CD pipeline experience
• PostgreSQL – Experience with relational database management

✨ Good-to-Have Skills :

• Git – Source control management
• CI/CD Pipeline Tools – End-to-end pipeline automation
• Cloud & DevOps Knowledge – Experience with cloud-based deployments

About the Role

We are seeking highly driven Backend Web Developers with strong knowledge of Node.js, TypeScript, and MongoDB. You will play a key role in building and maintaining the backend architecture, APIs, and scalable services powering our web applications.

This position is ideal for candidates who are self-starters, comfortable in a startup environment, and can pick up tasks independently from Day 0.

Key Responsibilities

• Design, develop, and maintain scalable backend services and RESTful APIs using Node.js & TypeScript.
• Work with MongoDB for efficient data modeling, schema design, and query optimization.
• Integrate backend services with frontend applications and third-party APIs.
• Write clean, modular, and efficient code with a strong emphasis on performance and security.
• Ensure error handling, logging, and monitoring are implemented for production readiness.
• Collaborate with frontend developers, product managers, and designers to deliver end-to-end features.
• Implement and maintain microservices architecture.
• Good understanding of deployment processes and willingness to work with AWS stack (EC2, S3, Lambda, etc. – good to have).

Required Skills & Qualifications

• Strong proficiency in Node.js and TypeScript.
• Hands-on experience with MongoDB (Mongoose ORM preferred).
• Solid understanding of Redis, Messaging Queues, etc.
• Knowledge of Git/GitHub with a strong portfolio of deployed projects (blank GitHub profiles will be rejected).
• Strong problem-solving, debugging, and optimization skills.
• Ability to take ownership of tasks and work independently.
• Familiarity with async programming, promises, event loops, and backend architecture concepts.

Preferred Skills

• Prior experience (internship/full-time) in a startup environment.
• Exposure to AWS stack (Lambda, EC2, S3, CloudWatch, RDS, etc.).
• Experience with Docker, CI/CD pipelines, or cloud deployments.
• Understanding of server-side caching and messaging queues.
• Familiarity with testing frameworks (Jest).

Eligibility Criteria

• Experience: 0 – 2 years (Freshers with strong projects are welcome).
• Education: Tier 2 / Tier 3 college graduates preferred.
• GitHub Requirement: Candidates must have solid GitHub profiles with deployed projects. Inactive or blank GitHub accounts will be rejected.

Selection Process

1. Written Test – Core programming fundamentals & problem-solving.
2. Sample Task – Real-world backend task (API/service implementation).
3. Technical Interview (Basic, 30 min) – Node.js, TS, Mongo fundamentals.
4. Advanced Technical Interview (90 min) – Deep dive into system design, architecture, scaling, and debugging.
5. HR Round – Culture fit and final discussion.

Why Join Us?

• Work in a high-growth startup environment where your contributions have a direct impact.
• Ownership from Day 0 – take responsibility for building and shipping features.
• Learn and grow with a team of passionate engineers.
• Opportunity to work with modern tech stack and real-world problem-solving.

Required Skillset

• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, System Design, Unix/Linux. • Possess good architectural knowledge and be aware of enterprise application design patterns. • Should be able to analyze, design, develop and test complex, low-latency client-facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-volume server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills in Java. • Strong interpersonal, communication and analytical skills. • Should be able to express their design ideas and thoughts.

Job Brief-

• Understand product requirements and come up with solution approaches. • Build and enhance large scale domain centric applications. • Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines.

• Please be specific with the required skill set while sourcing profiles. We require candidates with the following skills. Front end (jQuery, HTML5, Angular JS)+ Middleware (java 8 & Above, Spring boot)

Job Description:

1. Experience in Core Java, Spring Boot.
2. Experience in microservices.
3. Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
4. Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
5. Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
6. Good knowledge of multi-threading
7. Basic working knowledge of Unix/Linux
8. Excellent problem solving and coding skills in Java
9. Strong interpersonal, communication and analytical skills.
10. Should be able to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

JOB REQUIREMENTS:

• C#
• SQL
• FTF

QUALIFICATIONS ANS SKILLS:

BSc/BA in Computer Science, BCA, Engineering or a related field

1-3 years of web development experience.

Relevant E-com industry Experience.

Experience in JavaScript, HTML, CSS is a plus

RESPONSIBILITIES

Create and test applications for websites.

Maintaining the appearance of websites

Implementing automated testing platforms and unit tests.

Maintain and update websites

Troubleshoot website problems.

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.