Senior Full Stack Developer

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

Overview

Adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.

Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.

Job Description

The current application landscape features multiple Java web services running on JEE application servers, primarily hosted on AWS, and integrated with various systems such as SAP, other services, and external partners. DPS is committed to delivering the best digital work experience for the customers employees and customers alike.

Responsibilities:

Independent front- and backend implementation of business functionalities, defined as user stories by the customer, considering the cost-value ratio and maintenance effort for the customer 

Implementation of user stories and incidents, including concept, implementation (including automated unit tests), and communication with the customer within the agile development process.

Database activities such as creation or modification of database schema as well as implementation of database access, queries, and data modification 

Interface realization based on standard principles like REST or SOAP

Implementation of given Identity and Access Management Patterns for securing the application

Analysis and resolution of issues (3rd Level Support).

Documentation of the implementation.

Consultancy in technical and business topics within the applications.

Usage of selected tools for implementation, testing, rollout, and support.

Participation in regular meetings with the client to track the status of assigned tasks.

Requirements:

Experience with JEE technologies such as JPA, EJB, CDI, JAAS, and SAML.

Experience in technology related to JEE, like Maven.

Proficiency in HTML5, CSS, Angular, and Bootstrap.

Strong knowledge of SQL.

Experience with web services (SOAP, REST, JSON).

Skills & Requirements

JEE, JPA, EJB, CDI, JAAS, SAML, Maven, HTML5, CSS, Angular, Bootstrap, SQL, SOAP, REST, JSON, Database schema design, Unit testing, Agile development, Identity and Access Management (IAM), Troubleshooting, Documentation, Third-level support.

We are seeking a skilled PHP Developer with expertise in Laravel and WordPress to join our team. As a PHP Developer, you will be responsible for developing and maintaining web applications using PHP frameworks, primarily Laravel, and working with WordPress for content management system (CMS) projects. You will collaborate with a cross-functional team of designers, developers, and project managers to deliver high-quality, scalable solutions.

Responsibilities:

1. Develop and maintain web applications using PHP frameworks, primarily Laravel.
2. Collaborate with the team to gather and define project requirements, specifications, and technical designs.
3. Write clean, well-structured, and efficient code that follows best practices and coding standards.
4. Implement and integrate third-party APIs and services as needed.
5. Customize and extend WordPress functionalities using plugins and themes.
6. Optimize application performance and ensure scalability.
7. Troubleshoot and debug issues, perform testing, and provide timely resolutions.
8. Collaborate with designers to implement UI/UX designs and ensure a seamless user experience.
9. Stay updated with the latest trends, tools, and technologies related to PHP, Laravel, and WordPress.
10. Conduct code reviews and provide constructive feedback to ensure code quality and maintainability.
11. Document technical specifications, processes, and procedures.

Requirements:

1. Proven experience as a PHP Developer, preferably with Laravel and WordPress.
2. Strong knowledge of PHP web frameworks, specifically Laravel, and experience with WordPress development.
3. Proficiency in front-end technologies such as HTML, CSS, JavaScript, and jQuery.
4. Familiarity with relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis).
5. Experience working with version control systems, such as Git.
6. Understanding of MVC design patterns and OOP concepts.
7. Ability to write efficient SQL queries and optimize database performance.
8. Knowledge of RESTful web services and API development.
9. Familiarity with front-end frameworks/libraries (Vue.js, React) is a plus.

R360 powers a data-driven customer engagement ecosystem that enables the world’s leading organisations to earn customer loyalty every day.

For over 10 years, R360’s loyalty and reward platforms have driven ambitious loyalty programs for some of the world’s biggest brands – including Axis Bank, Standard Chartered Bank, HDFC Bank and Emirates National Dubai Bank. We have 500+ global retail partnerships and offer our clients reward programs, nuanced customer segmentation, data-centric campaigns, and big data analytics.

Our multidisciplinary team of technology experts, product engineers, data scientists, client relationship managers and customer experience professionals work together with our clients to enable loyalty by enhancing customer acquisition, engagement and retention.

Currently we are looking for a “Full Stack Developer” with an expertise in Java software development and proficient in React to join the software engineering team for our BFSI clients. The candidate will develop new application features and maintain existing ones. This position requires experience in making decisions and working both independently and as part of a small, dynamic team where everything the candidate does makes a difference.

What you’ll do:

·        Work as full stack developer with prime focus on backend

·        Responsible for handling and overseeing the End-to-end development from designing to development.

·        Produce reusable, testable, and efficient code

·        Troubleshoot critical issues and guide team as well.

·        Support & Nurture other developers providing advice, coaching along with Design and code review of Peers

·        Integrate data storage solutions and ensure application performance, quality, and responsiveness

·        Collaborate with a team to define, design, and ship new features

·        Identify and correct bottlenecks as well as fix bugs

·        Exhibit excellent communications skills and engage in technical discussions with peers becoming a trusted, technical advisor.

What we’ll need:

Mandatory skills:

·        Strong communication and Articulative skills.

·        University degree or equivalent educational experience (optimally a technical or engineering degree)

·        6+ years of software development experience in Java/J2EE using RESTful web services, Microservices and Spring boot

·        3+yrs of hands on experience in Angular/React technologies

·        Strong Data structures & algorithm skills along with Design skills

·        Ability to manage multiple priorities and projects simultaneously 

·        Understanding of Agile methodologies

·        Willingness to take ownership and find ways to unblock oneself.

·        Trustworthy, team oriented and transparent 

Technical Skills:

·        Core Java (Collection, multi-threading, design patterns)

·        Frameworks - Hibernate, Spring, REST Jersey

·        Front end technologies – Java Script, jQuery, Angular, Reactjs

·        Database – SQL & NoSQL

·        Modelling – UML & ERD

Fuzen is a no-code SaaS platform founded and backed by IIT alumni.

We help non-technical SaaS founders bring their product ideas to life at ZERO upfront cost. We are building a marketplace of simple SaaS apps by helping founders to build products with our no-code platform.

The majority of our customers come from traditional industries like - construction, engineering, transportation, consulting etc. and we have recently received seed funding from angel investors.

We are looking for software developers who are good at problem-solving and are interested in product building.

1. Write clean, maintainable, and efficient code
2. Design robust, scalable and secure systems
3. Contribute to all phases of the development lifecycle
4. Follow best practices (test-driven development, continuous integration, SCRUM, refactoring, and code standards)
5. Drive continuous adoption and integration of relevant new technologies into the design.
6. You will be expected to work on Ruby On Rails, React JS, AWS, Heroku, Google Cloud and 3rd party API integrations.

IMPORTANT - Fuzen is an early-stage startup. The work culture is fast-paced and challenging. The job will be demanding and will offer a lot of learning. You should apply only if all of this excites you.

We are looking for a FULL-TIME OFFICE POSITION Java Developer (2-3 years experience) who is proficient with coding and can design, develop, test, and implement Java applications and resolve technical issues.

As a Java Developer, we are looking for a highly skilled candidate, who will be responsible for building great web applications in Java, analyzing business objectives and user requirements, suggesting necessary changes for the existing Java applications, compiling detailed technical documentation, and determining application functionalities and features.

Do you think you fit this description well? Then apply now!

Expected Responsibilities

• Understanding the business requirements
• Designing and developing the front end for customer-facing applications using the MVC framework
• Creating RESTful APIs for the front-end developers with and with ORM or raw query for any Database technologies like MySQL or MongoDB
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain regarding the app logic as well as the file system
• Supporting continuous improvement by investigating alternatives and technologies and presenting these for architectural review
• Writing non-blocking code and resorting to advanced techniques, such as multi-threading, when required

Required Skills And Qualifications

• MCA/BTech degree in Computer Science, Engineering, or a related subject
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Experience with Docker or any other containerization tools
• Growth mindset and a positive and collaborative attitude
• Professional, precise communication skills
• Fluency in English, both written and spoken

Must-Haves

• At least 2-3 years of experience as a Java Developer
• Experience with Amazon Web Services (S3, Lambda, Elastic Beanstalk, and other AWS modules)
• Hands-on experience in Core Java, Spring Boot, and Spring framework (Embedded Tomcat), REST API skills
• Deep understanding of Java, servlets in J2EE, web-based request handling with Microservices architecture
• Experience with JavaScript-based front-end frameworks like Angular JS or React JS
• Good understanding of Design Patterns, Data structures, and Algorithms
• Exposure to Agile principles and methodologies, including Continuous Integration and Test Driven Development
• Comprehensive knowledge of OO design principles and development patterns
• Java Batch Scheduling (e.g., Flux, Quartz) knowledge
• Previous experience working with clean code, SOLID principles, TDD

A Little About Who We Are

Klizo Solutions, founded by Joseph Ricard, is an IT company that develops outstanding applications and techs in an enterprise environment, located near CC2 in the New Town Area, Kolkata.

But it isn’t the first brainchild of our founder, as he also has multiple start-ups to his credit, including one of the largest music apps in the Philippines and Italy and a first-of-its-kind Cannabis Vending Machine.

So, naturally, being a part of a company founded and run by such a visionary tech leader and a serial entrepreneur, our employees always have ample opportunities to learn and grow as the company evolves.

Currently, our big happy Klizo family consists of 50+ employees. But we want to extend the happiness of working and collaborating with talented individuals even further. And by this, we mean we will hire more talents over the next few weeks!

Perks Of Being A Klizonian

• Training will be provided (if required)
• 5-day working in a week
• On-time salary every month
• Cool and approachable management
• Numerous opportunities for growth

Job Type: Full Time

POSITION: JAVA

EXPERIENCE: 3YRS-10YRS

LOCATION: BANGALORE

NOTICE PERIOD: IMMEDIATE JOINER/15 DAYS

WORK FROM OFFICE

JOB DESCRIPTION:

EXPERIENCE : 3 -10 YEARS EXPERIENCE IN JAVA

TECHNOLOGY/SKILLS : JAVA , HIBERNATE , MYSQL , MICROSERVICES, REST API