FullStack Developer (Java/ React)

Job Title:

Senior Full Stack Developer / Technical Lead – .NET & React

Experience:

10+ Years

Location: Chennai – T.Nagar / WFO

Job Summary:

We are looking for a highly experienced Senior Full Stack Developer / Technical Lead with strong expertise in .NET technologies and React. The ideal candidate should be comfortable handling multiple projects simultaneously, possess excellent communication skills, and be capable of leading and mentoring a team while delivering scalable, high-quality solutions.

Key Responsibilities:

·       Design, develop, and maintain scalable web applications using .NET (C#, ASP.NET Core, Web API) and React

·       Lead end-to-end project execution across multiple parallel projects

·       Handle project switching efficiently with minimal ramp-up time

·       Participate in architecture, design, and technical decision-making

·       Manage, mentor, and guide a team of developers

·       Conduct code reviews, ensure best practices, and maintain coding standards

·       Collaborate with Product Owners, QA, UI/UX, and Stakeholders

·       Ensure performance optimization, security, and application stability

·       Take ownership of delivery timelines and technical quality

·       Support production issues and provide root cause analysis

Required Technical Skills:

·       Strong hands-on experience in:

o  C#, ASP.NET, ASP.NET Core, Web API

o  React.js, Redux / Context API

o  HTML, CSS, JavaScript, TypeScript

·       Experience with RESTful APIs, Microservices (preferred)

·       Database expertise: SQL Server (mandatory), NoSQL (added advantage)

·       Experience with Entity Framework / Dapper

·       Familiarity with Azure / AWS (preferred)

·       Knowledge of CI/CD pipelines, Git, DevOps practices

·       Understanding of Agile / Scrum methodologies

Leadership & Soft Skills:

·       Excellent verbal and written communication skills

·       Proven experience in team handling and mentoring

·       Strong problem-solving and decision-making abilities

·       Ability to manage multiple stakeholders and priorities

·       Ownership mindset and accountability-driven approach

Nice to Have:

·       Experience working in product-based or fast-paced service environments

·       Exposure to high-availability and scalable systems

·       Client-facing experience

Role: MERN Stack Developer

Location: Andheri East, Mumbai

Experience: 2+ years

Role Overview

We're hiring a MERN Stack Developer to build and maintain scalable web applications.

Key Responsibilities

• Develop full-stack applications using MongoDB, Express.js, React.js, and Node.js
• Build RESTful APIs and integrate third-party services
• Write clean, efficient code and participate in code reviews
• Optimize applications for performance and scalability

Required Skills

• 2+ years experience with MERN stack
• Strong proficiency in JavaScript/ES6+, React.js, Node.js, Express.js, and MongoDB
• Experience with Git, RESTful APIs, and authentication mechanisms
• Knowledge of HTML5, CSS3, and responsive design

Good to Have

• TypeScript, Redux, Next.js
• Cloud platforms (AWS/Azure)
• Testing frameworks (Jest, Mocha)

Responsibilities:

• Develop and maintain high-quality, efficient, and scalable backend applications.
• Participate in all phases of the software development lifecycle (SDLC)
• Write clean, well-documented, and testable code adhering to best practices.
• Collaborate with team members to ensure the successful delivery of projects.
• Debug and troubleshoot complex technical problems.
• Identify and implement performance optimizations.
• Participate in code reviews
• Hands-on experience with Springboot, Java 8 and above.
• 2-5 years of experience developing Java applications.
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
• Required React developer requirements, qualifications & skills:
• Proficiency in React.js and its core principles
• Strong JavaScript, HTML5, and CSS3 skills
• Experience with popular React.js workflows (such as Redux)
• Strong understanding of object-oriented programming (OOP) principles.
• Experience with design patterns and best practices for Java development.
• Proficient in unit testing frameworks (e.g., JUnit).
• Experience with build automation tools (e.g., Maven, Gradle).
• Experience with version control systems (e.g., Git).
• Experience with one of these databases – Postgres, MongoDb, Cassandra
• Knowledge on Retail or OMS is a plus.
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset
• Ability to reverse engineer existing/legacy and document findings on confluence.
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

Job Description:-

Infrastructure as Code (IaC): Implement and maintain infrastructure as code using tools like Terraform or AWS CloudFormation, ensuring scalability and reliability of cloud resources.

Continuous Integration/Continuous Deployment (CI/CD): Establish and enhance CI/CD pipelines to automate build, test, and deployment processes, facilitating faster and more reliable releases.

Configuration Management: Manage and automate server configurations using tools like Ansible, Chef, or Puppet, ensuring consistency and compliance across environments.

Monitoring and Logging: Set up and maintain monitoring and logging solutions (e.g., CloudWatch, ELK stack) to proactively identify and troubleshoot issues within the AWS infrastructure.

Security and Compliance: Implement security best practices and compliance standards (e.g., AWS IAM, Security Groups) to protect data and resources. Conduct security audits and vulnerability assessments.

The Successful Applicant

AWS Proficiency: Extensive experience with Amazon Web Services (AWS) and its services, including EC2, S3, RDS, Lambda, and more. AWS Certified DevOps Engineer certification is a plus.

Infrastructure as Code (IaC): Proficiency in writing and maintaining infrastructure as code using tools like Terraform, AWS CloudFormation, or similar technologies.

CI/CD Tools: Strong knowledge of CI/CD tools such as Jenkins, Travis CI, or AWS CodePipeline. Ability to configure and optimize automated build and deployment pipelines.

Containerization: Hands-on experience with containerization technologies like Docker and container orchestration platforms like Kubernetes in AWS.

Scripting and Automation: Proficiency in scripting languages (e.g., Bash, Python) for automating tasks and managing infrastructure.

Monitoring and Logging Tools: Familiarity with monitoring and logging tools such as CloudWatch, ELK stack (Elasticsearch, Logstash, Kibana), Prometheus, Grafana, or Splunk.

Security and Compliance: Strong understanding of AWS security best practices, identity and access management (IAM), and compliance frameworks (e.g., HIPAA, GDPR).

Networking: Knowledge of AWS networking concepts, VPC, and routing. Experience with VPNs, Direct Connect, and other networking technologies is a plus.

Database Administration: Basic knowledge of database administration on AWS, including RDS, DynamoDB, or Aurora.

Collaboration and Communication: Excellent communication and teamwork skills to collaborate with cross-functional teams and convey technical information effectively.

**Responsibilities:**

- Lead the backend development team, providing mentorship and guidance to junior developers.

- Design, develop, and maintain robust backend systems using Node.js and NestJS with TypeScript.

- Implement event sourcing and message queue solutions using technologies such as Kafka or RabbitMQ.

- Utilize strong PostgreSQL knowledge to design, optimize, and manage databases effectively.

- Implement DevOps practices and tools to ensure continuous integration and delivery (CI/CD), containerization with Docker, and orchestration with Kubernetes.

- Collaborate closely with frontend developers to integrate backend services with user interfaces seamlessly.

- Lead and contribute to architectural discussions and decisions to ensure scalability, reliability, and performance of our systems.

- Troubleshoot and resolve technical issues promptly, demonstrating strong analytical and problem-solving skills.

**Requirements:**

- Bachelors or Masters degree in Computer Science, Engineering, or a related field.

- 5+ years of experience in software development, with a significant focus on backend technologies.

- Proven leadership experience as a team lead or senior developer, with a track record of mentoring junior developers and leading successful projects.

- Profound expertise in Node.js and NestJS with TypeScript.

- Experience with event sourcing and message queues (e.g., Kafka, RabbitMQ).

- Strong knowledge of PostgreSQL, including database design, optimization, and management.

- Solid understanding of DevOps practices and tools (CI/CD, Docker, Kubernetes, AWS/GCP/Azure).

- Ability to collaborate effectively with cross-functional teams, including frontend developers.

- Strong analytical skills and problem-solving abilities.

- Excellent communication and leadership skills.

Senior Software Engineers are responsible for the design and development of the suite of cloud-based software products utilizing cutting-edge tools and technologies.

What You Will Be Doing:

Work on Internet scale applications, where performance, reliability, and scalability, are critical design goals – not after-thoughts.
Learn the nuts and bolts of Microservices Architecture and build robust RESTful APIs.
Create beautiful, interactive, and easy-to-use web applications using modern client-side frameworks and libraries.
Gain experience with different database technologies, ranging from traditional relational to the latest NoSQL products such as Couchbase and Elastic Search.
AWS for infrastructure, deploying services with ECS and Lambda

What You Will Need for this Position

The prerequisites for joining our development team are simple. We care more about your attitude and aptitude than the specific tools and technologies you have used in the past. You need to have a strong passion for software development and must take pride in your coding. You should also have great analytical skills and ability to handle complex, modular software development in a collaborative team-based environment.

5+ years of overall development experience, which ideally includes working with an object-oriented language (Java)
Experience with using and implementing RESTful APIs.
Experience with one or more of the following databases: traditional relational database as well as document/NoSQL storage.
Experience with JavaScript, React/Angular/Vue and Node.js. We will also welcome proven engineering leaders who are eager to immerse themselves in mastering Typescript/JavaScript and our tech stack
BS, MS or PhD in Computer Science OR related technical discipline.
Big plus if prior experience with video processing, streaming and video-related cloud services such as AWS Elemental & Amazon IVS

Salary :- No bar for deserving candidates

Apptroit is a leading Mobile App & Web Solution Development Company in the USA, UK, UAE and India and serving its clients across the globe. Also having proficient and dedicated Android app developers, iOS App developers, designers and digital marketing experts with a reputation for getting things done. We are well-versed in a variety of operating systems, networks, and databases. We work with just about any technology that a small business would encounter. We use this expertise to help customers with small to mid-sized projects.