Senior Dotnet Developer

Full stack Developer (Ref.ID: VRPL-FSD-Chn-0326)

No. of Positions: 2 Nos. Senior 1 No. Junior 1 No.

API Development & Architecture:

Design and develop scalable RESTful APIs using Node.js & TypeScript

Build modular, reusable, and clean backend architecture

Implement authentication & authorization (JWT / OAuth / Role-based access)

Ensure API security best practices

Write well-structured documentation (Swagger / Postman)

Real-Time Communication (Sockets):

Develop real-time features using WebSockets / Socket.io

Implement:

Live tracking

Real-time notifications

Status updates

Chat systems

Optimize socket performance and reconnection handling

Ensure scalability under concurrent user load

Database & Data Layer (PostgreSQL):

Design scalable and optimized database schemas

Write complex SQL queries & joins

Implement indexing & query optimization

Handle transactions and concurrency control

Work with ORMs like Prisma / TypeORM (preferred)

Maintain database security and backup strategies

Ensure data security and backups

Performance & Scalability:

Optimize API response times

Implement caching strategies (Redis preferred)

Design rate limiting and throttling mechanisms

Ensure system reliability & fault tolerance

Handle background jobs & queues

Deployment & DevOps Collaboration:

Deploy applications on AWS / GCP

Work with Docker containers

Implement CI/CD pipelines

Monitor logs & performance metrics

WhatsApp Business Integration:

Integrate WhatsApp Business API (Cloud / On-Premise)

Work with providers like Exotel / Twilio (preferred)

Implement Template messaging

OTP authentication

Notifications & alerts

Two-way communication

Manage webhook events and delivery tracking

Ensure compliance with WhatsApp policies

Required Skills:

Strong proficiency in Node.js

Hands-on experience with TypeScript

Strong experience in PostgreSQL

Experience building RESTful APIs

Experience with WebSockets / Socket.io

Good understanding of system design & architecture

Git version control

Knowledge of API security best practices

Preferred Skills:

Experience in real-time platforms (ride-hailing, delivery, chat systems)

Redis for caching

Message queues (Kafka / RabbitMQ / BullMQ)

Microservices architecture

Payment gateway integration

Cloud infrastructure knowledge

Soft Skills:

Strong analytical, problem-solving skills, and debugging skills

Startup mindset & ownership attitude

Ability to work in fast-paced startup environment and work independently

Good communication skills in all aspects

Shift timings : Afternoon

Job Summary

We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.

Key Responsibilities

● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.

● Migrate the legacy system to Spring Boot while ensuring minimal downtime.

● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.

● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).

● Handle XML file generation, email integrations, and REST API maintenance.

● Database management (SQL Server) including query optimization and schema updates.

● Collaborate with teams to ensure smooth transitions during migration.

● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.

● Document migration steps, deployment processes, and system architecture.

Required Skills & Qualifications

● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.

● Strong expertise in Spring Boot (migration experience from legacy Java is a must).

● Experience with Payara/GlassFish server management and deployment.

● Proficient in Apache, Ansible, and shell scripting (deployer.sh).

● Solid knowledge of SQL Server (queries, stored procedures, optimization).

● Familiarity with XML processing, email integrations, and Maven builds.

● Experience in production deployments, server troubleshooting, and performance tuning.

● Ability to work independently and lead migration efforts.

Preferred Skills

● Knowledge of microservices architecture (helpful for modernization).

● Familiarity with cloud platforms (AWS/Azure) is a plus.

Responsibilities
•       Design, code, test and manage various applications
•       Collaborate with engineering team and product team to establish best

Responsibilities
•       Design, code, test and manage various applications
•       Collaborate with engineering team and product team to establish best products
•       Follow outlined standards of quality related to code and systems
•       Develop automated tests and conduct performance tuning

Qualifications
•       Bachelor's degree in Computer Science or relevant field
•       Experience developing web-based applications in C#, HTML, JavaScript, VBScript/ASP, or .NET
•       Experience working with MS SQL Server and MySQL Knowledge of practices and procedures for full software design life cycle
•       Experience working in agile development environment

Responsibilities for Net Developer 3-5 years

• Write clean, scalable code using .NET programming languages
• Remain up to date with the terminology, concepts and best practices for coding mobile apps
• Develop technical interfaces, specifications, and architecture
• Use and adapt existing web applications for apps
• Create and test software prototypes
• Develop client displays and user interfaces
• Assist software personnel in handling project related work and other requirements
• Coordinate with other software professionals and developers

• Familiarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC)
• 5 years of development experience using C# .NET
• Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3
• Familiarity with architecture styles/APIs (REST, RPC)
• Understanding of Agile methodologies
• Strong attention to detail
• Excellent troubleshooting and communication skills
• Knowledge of REST and RPC APIs
• Able to work well in a team setting

Desired Profile:

We are looking out for suitable candidates having 2 to 6 years of experience in .Net
development along with strong MVC & JQuery experience.

Strong experience developing database driven web-based applications using ASP.NET MVC, C#,

OOPS concept, ADO.NET, SQL Server, WCF.

Excellent exposure in HTML5, CSS, JavaScript, OOJS, JQuery and Object-Oriented Design skills.

Ability to work in a fast paced, iterative development environment with short turn- around time.

products
•       Follow outlined standards of quality related to code and systems
•       Develop automated tests and conduct performance tuning

Qualifications
•       Bachelor's degree in Computer Science or relevant field
•       Experience developing web-based applications in C#, HTML, JavaScript, VBScript/ASP, or .NET
•       Experience working with MS SQL Server and MySQL Knowledge of practices and procedures for full software design life cycle
•       Experience working in agile development environment

Responsibilities for Net Developer 3-5 years

• Write clean, scalable code using .NET programming languages
• Remain up to date with the terminology, concepts and best practices for coding mobile apps
• Develop technical interfaces, specifications, and architecture
• Use and adapt existing web applications for apps
• Create and test software prototypes
• Develop client displays and user interfaces
• Assist software personnel in handling project related work and other requirements
• Coordinate with other software professionals and developers

• Familiarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC)
• 5 years of development experience using C# .NET
• Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3
• Familiarity with architecture styles/APIs (REST, RPC)
• Understanding of Agile methodologies
• Strong attention to detail
• Excellent troubleshooting and communication skills
• Knowledge of REST and RPC APIs
• Able to work well in a team setting

Desired Profile:

We are looking out for suitable candidates having 2 to 6 years of experience in .Net
development along with strong MVC & JQuery experience.

Strong experience developing database driven web-based applications using ASP.NET MVC, C#,

OOPS concept, ADO.NET, SQL Server, WCF.

Excellent exposure in HTML5, CSS, JavaScript, OOJS, JQuery and Object-Oriented Design skills.

Ability to work in a fast paced, iterative development environment with short turn- around time.

Create and maintain database tables, views, indexes, and triggers.

Implement and maintain database code in the form of stored procedures, scripts, queries, views, triggers, etc.

Develop and maintain high-quality stored procedures.

Write low cost, high-quality database queries and code while maintaining data quality, privacy, and security

Profile databases, measure database performance and troubleshoot complex database issues, and IO bottlenecks.

Optimize database queries and ensure table locking/deadlocks happen in production.

Optimize large, complicated SQL statements & Stored Procedures.

Cost optimization of Amazon instances using databases.

Knowledge of database design principles, query optimization, index management, integrity checks, statistics and isolation levels

Knowledge of message queuing, indexing, and high-performance data concept

Knowledge of JSON and PostgreSQL support for JSON.

Good Grasp of ETL concepts

Work with front-end developers to define simple yet powerful APIs

Work with DBAs to ensure the efficiency of database code, integrity of data structures and quality of data content.

Coordinate with product managers and leadership teams to build effective database objects

Excellent verbal and written communication skills

Good attitude towards work and flexibility

Ability and willingness to handle multiple tasks in a fast-paced environment

Ability to evaluate alternative solutions and/or workarounds

Location: Chennai
1 .Net Core, Dotnet

4+ years of hands-on experience

Must-Have:-

> .Net, ASP.NET

> Must have good knowledge of multi-threading concepts

> Development experience nee in Visual studio 2019

> Systems thinking, technical acumen, an alytical skills, and communication skills.

> Testing skills (Unit testing, Integration testing.

> Exposure to AGILE development methodologies

> Quality mindset and attention to detail in all aspects of software engineering and development

We are looking to hire Node.js Backend developers to build a consumer-friendly social commerce app.

You can apply if you have knowledge of JavaScript and frameworks/systems (nodejs) and

• Strong analytical skills and aptitude Good Understanding of architecture, software design and best coding practices
• Ability to learn new languages and technologies
• Experience with databases (both SQL and NoSQL)
• Familiarity with Agile development methodologies
• Good working knowledge of Linux
• Excellent communication skills

Plus points:

• Knowledge of Redis, Mongo and Mysql.
• Knowledge of AWS services.
• Knowledge of CI/CD pipelines.
• Deep understanding of Database Indexing.
• Knowledge of microservices architecture.
• Knowledge of golang/rust.

Working with an early stage startup can get you an opportunity to build systems from scratch, exponentially grow your career and become industry leaders. You will be working with experienced software engineers from top IITs, unicorns and soonicorns who have built systems for millions of users