Senior/Lead Full-Stack Software Engineer

Location : Bengaluru, India

Type : Full-time

Experience :4-7 Years

Mode :Hybrid

The Role

We're looking for a Full Stack Engineer who thrives on building high-performance applications at scale. You'll work across our entire stack—from optimizing PostgreSQL queries on 140M+ records to crafting intuitive React interfaces. This is a high-impact role where your code directly influences how sales teams discover and engage with prospects worldwide.

What You'll Do

• Build and optimize REST APIs using Django REST Framework handling millions of records
• Design and implement complex database queries, indexes, and caching strategies for PostgreSQL
• Develop responsive, high-performance front-end interfaces with Next.js and React
• Implement Redis caching layers and optimize query performance for sub-second response times
• Design and implement smart search/filter systems with complex logic
• Collaborate on data pipeline architecture for processing large datasets
• Write clean, testable code with comprehensive unit and integration tests
• Participate in code reviews, architecture discussions, and technical planning

Required Skills

• 4-7 years of professional experience in full stack development
• Strong proficiency in Python and Django/Django REST Framework
• Expert-level PostgreSQL knowledge: query optimization, indexing, EXPLAIN ANALYZE, partitioning
• Solid experience with Next.js, React, and modern JavaScript/TypeScript
• Experience with state management (Zustand, Redux, or similar)
• Working knowledge of Redis for caching and session management
• Familiarity with AWS services (RDS, EC2, S3, CloudFront)
• Understanding of RESTful API design principles and best practices
• Experience with Git, CI/CD pipelines, and agile development workflows

Nice to Have

• Experience with Elasticsearch for full-text search at scale
• Knowledge of data scraping, ETL pipelines, or data enrichment
• Experience with Celery for async task processing
• Familiarity with Tailwind CSS and modern UI/UX practices
• Previous work on B2B SaaS or data-intensive applications
• Understanding of security best practices and anti-scraping measures

Our Tech Stack

Backend

Python, Django REST Framework

Frontend

Next.js, React, Zustand, Tailwind CSS

Database

PostgreSQL 17, Redis

Infrastructure

AWS (RDS, EC2, S3, CloudFront), Docker

Tools

GitHub, pgBouncer

Why Join Us

• Work on a product processing 140M+ records—real scale, real challenges
• Direct impact on product direction and technical decisions
• Modern tech stack with room to experiment and innovate
• Collaborative team environment with a focus on growth
• Competitive compensation and flexible hybrid work model

Technical & Professional
Requirements

• Reactjs Nodejs developer must know MongoDB, Express, Node.js, & React.
• Creating RESTful services with Node.js
• MERN stack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Candidate must have good Knowledge of Node Debugging
• Understanding & proficiency in REST APIs.
• MERN stack developer should know Git Repository
• Integration of data storage solutions [RDBMS, NoSQL DB]

• Implementation of security and data protection
• Elementary knowledge of GRAPHQL
• Understanding of performance testing and optimization techniques
• MERN software developer must have good communication & interpersonal skills
• Ability to work independently with minimum supervision.

Type of Work

• 80% Backend 20% Frontend
• Building SAAS products inhouse and working on SI(System integrator) projects for other SAAS companies

• Graduation in computers –Full-time B.E / B. Tech or an MCA degree (Regular Program, no part-time or long-distances courses).

Roles and Responsibilities:

• Developing new user-facing features using React.js
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Experience with RESTful APIs
• Troubleshooting interface software and debugging application codes.
• Create database schemas that represent and support business processes.
• Implement automated testing platforms and unit tests.
• Optimize application for performance and speed.
• Implementation of security and data protection.
• Provide technical support to users.

Skills:

• At least 5 years of experience as a Java Developer or similar role
• Strong expertise in Java programming language and working Knowledge on Back-end technologies such as Spring/Spring Boot.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Familiarity with database technology such as MySQL, MongoDB.
• Good knowledge of Unit Testing.
• Experience with at least one of the Cloud Services such as AWS, GCP, Azure are plus.
• Familiarity with SCRUM methodologies
• Strong organizational and project management skills.
• Excellent verbal communication skills.
• Analytical and logical skills
• Good problem-solving skills.

Qualification:

• 3-4 years of experience working as a ReactJS Developer or in a similar role.

What we offer:

• Flexible working hours
• Up to 12 Lakh insurance
• Work life balance

If you’re one of the best and brightest, a highly-motivated innovator, and a fast worker, you might be just the person we’re looking for! Entrata’s Operations department is seeking a Full-Stack Software Developer. As part of our Operations team, you will act as a technical advisor, team leader, coder, and evangelist. Our Full-Stack Developer will take ownership of website-related projects and see them across the finish line, and advocate for the latest tools, technologies, and best practices.

Responsibilities will include

• To be a part of a highly motivated, young, and energetic product development Team
• You will be handling high traffic website operations, pro-active maintenance and problem-solving skills to ensure optimal working and performance of the websites
• Exposure to industry trends and developments
• Opportunity to collaborate, work with the architects and product owners in the business, and to contribute in all phases of the software development lifecycle
• Best practices and methodologies to produce desired software on time and with top-notch quality

Minimum Qualifications

• You have strong debugging, problem-solving, and analytical skills
• Strong sense of writing quality code
• Passion for developing highly scalable systems
• You are quick, resourceful, flexible, and an excellent collaborator
• Hands-on technical coding, and implementing of product features
• Peer code review
• Strong experience in OOPS and MVC frameworks in PHP
• Database experience on any of the following: PostgreSQL, MySQL, or MS SQL Server (Preferably PostgreSQL)
• Knowledge of software design patterns
• Basic understanding of front-end technologies (JavaScript/ ReactJS, Ajax, etc.)
• Experience participating in agile and fast-paced software development methodologies
• Experience in collaborating in a cross-functional agile team
• Good verbal and written communication skills
• Bachelor’s degree in Computer Science or a related field
• 1 - 4 years of experience with web application development

Required skills:

1. Backend: Core Java, Spring Boot, Microservices, Hibernate/JPA, Data Structure and Algorithms, and Restful Web Services
2. Front end : HTML, CSS, JavaScript, jQuery, Vue.JS,  NuxtJS ,Vue-router, Vuex 
3. Database : MySQL
4. Version Control Tool: Git
5. Cloud Service: AWS

Job Description:

• Commercial experience using the Full stack Java Development
• Should be strong on basics of core Java - Basic Oops concepts, String, Collections, Exceptions, Interface, Inheritance
• Spring Family - Spring Boot, Spring Core
• Experience in creating Microservice using REST & Spring Boot
• Should be familiar with UI HTML, CSS, JavaScript, Vue.JS framework
• Hands-on experience on Oracle or SQL Server database
• Knowledgeable in AWS
• Agile Experience: Should be able to understand Scrum ceremonies and able to demonstrate experience in Agile

The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code.

Responsibilities :

• Work with development teams and product managers to ideate software solutions

• Maintenance of Node.js Backend

• Working with MongoDB to create various features

• Troubleshoot, debug and upgrade software

• Create security and data protection settings Requirements

• Proven experience as a backend developer in Node.js or similar role

• Experience developing desktop and mobile applications

• Familiarity with common stacks

Requirements :

• Hands on experience building end to end systems

• Minimum 1 yrs of experience with Javascript, Node.js and Mongo.DB

• Good architectural & design skills

• Strong coding, data structures and algorithms

• The ability to own end to end responsibility - right from requirement to release

• The ability to produce bug-free and production grade code

• Experience and fine understanding of cross browser front end development issues

• Exhibit a deep understanding of server virtualization, networking and storage ensuring that the solution scales and performs with high availability and uptime

Who We are:

Paxcom a leading Digital Solution Provider is a part of Paymentus now, a leading electronic bill payment provider. PaymentUs leads the North American marketplace in electronic bill payment solutions and have recently signed a partnership with Paypal, Alexa and Walmart. We are looking for passionate programmers skilled in Java, Python, Angular, NodeJS, Python, Jenkins, Postgresql, Docker, Kubernetes, Spark and AWS to join our development team.

For more details, please visit https://paxcom.ai/

Why Join Us?

Get a chance to contribute and get recognition from Day 1.

You hate micromanagement and are able to take your decision independently. 

Enjoy flexible and relaxed wok environment.

Work 5 days a week (Enjoy work-life balance).

A friendly, Supportive, Professional and achievement-oriented management team

Competitive remuneration.

An opportunity to learn new things every day.

You Enjoy:

Ideal resource should be from Java background with a minimum of 3+ years’ experience in Java technologies.

Should have extensive experience working with Spring, Any ORM and Restful Web services.

Strong experience building, designing, and consuming Restful web services.

Must have experience with spring boot/Spring MVC

1+ years’ experience with one or more JS frameworks: NodeJS/Express, Angular, React, ExtJS, Vue is preferred

Experience / Knowledge of Agile Scrum methodology.

Should have used GIT and be self-dependent on resolving merge conflicts.

Should be familiar with build tool like Maven or Gradle.

Excellent verbal and written communication skills.

Ability to handle small teams and mentor them.

Leader, Doer & Architect for Enterprise Java applications

Experience of payment card industry is a plus.

Tech Stack:

Java 8+

Microservices

REST 

Spring Framework 4/5

MySQL 5.6/Oracle

Nice To have (CPM Scheduling, Angular/React, NodeJS)

Linux, GIT, Docker, kubernetes, Cloud, AWS,Kafka

Building tools like Maven, Ant, Gulp

Responsibility :