Java Fullstack 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

SleekSky is a fast-growing engineering studio that partners with venture-backed product teams to ship modern, cloud-native software. We’re hiring a Software Engineer to join one of our health-tech clients and help build a scalable, user-centric platform that’s making a real-world impact—without revealing any confidential project details.

What you’ll do

• Build and ship production-ready React features that feel fast, accessible and polished.
• Design and maintain Node.js / Express APIs that are clean, secure and well-documented.
• Leverage AWS services (EC2, Lambda, Elastic Cache / Redis, load balancers, etc.) to deliver reliable, high-performance solutions.
• Automate CI/CD pipelines with GitHub Actions and uphold strong Git workflows.
• Collaborate in an agile, fully remote team that values code reviews, knowledge-sharing and continuous improvement.
• Champion engineering best practices—testing, monitoring, and infrastructure-as-code—while keeping an eye on new tech that can raise the bar.

What you’ll bring

• 2+ years of hands-on experience in full-stack development.
• Proven expertise with React (hooks, component architecture, state management) and modern JavaScript/TypeScript.
• Solid experience building RESTful services in Node.js with Express (or similar).
• Familiarity with AWS fundamentals (EC2, Lambda, load balancing, caching layers).
• Comfortable with Git, GitHub and automated CI/CD pipelines (e.g., GitHub Actions).
• Self-motivated, proactive and enthusiastic about learning new technologies and sharing knowledge with the team.
• Clear, concise communication skills—vital for an all-remote environment.

Nice-to-haves

• Experience with infrastructure-as-code (Terraform, CloudFormation, CDK).
• Exposure to containerisation (Docker, ECS, EKS) or serverless architecture patterns.
• Prior work in health-tech or other regulated domains.

Why SleekSky?

At SleekSky, you’ll join a culture that puts people first—pair programming, regular knowledge-sharing sessions and a genuine passion for building things the right way. Expect autonomy, trust and a runway to grow your craft alongside enthusiastic peers.

Ready to level up with SleekSky? Submit your résumé on your preferred hiring portal and we’ll be in touch right away.

Role : Java Fullstack Developer

Location : G. noida

Budget: 1.3 LPM

Experience: 5+ years

Add PAN no & DOJ on CV

Candidate must have knowledge of JAVA / J2EE.    

Executes the development, Maintenance, and enhancement of varying complexity levels across platform systems.  

Translate the business requirements and specifications into related solutions designs to understand business needs and functional specifications. 

Write and review technical documents, including design, developments, and code review.  

Good to have knowledge of AWS, SPRING BOOT HIBERNATE, REST API .

Candidate should be able to understand Microservices architecture, continuous integration and deployment mechanism.

Responsibilities

• Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo

• Binding of UI elements to JavaScript object models

• Creating RESTful services with Node.js

• Architect scalable web architectures

• 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

• Write code that is cross-platform and cross-device compatible

• Ability to wear many hats and learn new technologies quickly

Skin and hair problems give many people stress, make them self-conscious and impact their confidence. Re’equil offers reliable and effective personal care formulations so that people look good in their own skin and feel even better.

Re'equil is a direct-to-consumer (D2C) beauty and personal care brand. Founded in 2018, we are a self-funded profitable company scaling new heights. We are currently a team of 30 based out of Chandigarh.

Joining: Immediate - 1 month

Qualification: BCA/MCA/B. Tech (CS/ECE)

• Developing eCommerce sites on the Shopify platform. Shopify theme development and customization, private apps, Shopify Liquid templating language, Shopify JS APIs (storefront, AJAX Cart, Sections etc.), HTML5, CSS3, JavaScript, jQuery & Rest API's)
• Responsible for the development of the website on Shopify as per the design handed off by the UI Designers. Knowledge of Installing & Customizing the new Shopify theme.
• Deliver optimized, fast loading, and super responsive website. Understand the requirements from briefs, do thorough research, and based on previous experiences -propose the most suitable solution platform with an ETA.
• Extending Shopify functionalities to the next level using storefront APIs, liquid programming, meta fields, etc.
• Implementing SEO/CRO best practices in Shopify sites Creating responsive website designs
• Integrating third-party and platform-supported apps in the sites.

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.

 
            RESPONSIBILITIES:

• Writing clean, high-quality, high-performance, maintainable code.
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements.
• Coordinate cross-functionally to ensure the project meets business objectives and compliance standards.
• Support test and deployment of new products and features.
• Participate in code reviews.
  
  KEY SKILLS AND QUALIFICATIONS REQUIRED:
  
  
• A minimum of 3+ years of relevant work experience in the development of scalable scale web applications.
• Proven experience in Full stack web development using Typescript, Angular1,2,4+, HTML5 and CSS3, Microservice API development, and experience in PHP/Python/Laravel and MVC frameworks is a must.
• Exposure to CI/CD tools, Code Analysis, and Test automation is preferred.
• Expertise in Object-Oriented Design, Database Design, and XML Schema.
• Experience with Agile or Scrum software development methodologies.
• Ability to multi-task, organize, and prioritize work.
• Knowledge of advanced PHP concepts, MySQL, JSON, XML & ability to work in a LAMP/WAMP environment.
• Strong Knowledge of DB & code security along with basic server operations like Curl, Crud, cPanel.

Title: Software Development Engineer Fullstack

Duration: Permanent / Fulltime

• Development and potentially maintenance of advanced software systems and their features.
• Interact with customers and partners to scope and estimate user stories from acceptance criteria.
• Produce highly testable code with an emphasis on quality and correctness.
• Work alongside other engineers to improve technology, while consistently applying established effective software development practices.
• Attend regular project meetings, report on progress and setbacks, and participate in both planning and retrospective exercises.
• Proficient in .NET Core /C# ,Strong in OOPs, MVC, Design patterns, SOLID principles, Web API,  SQL Server.HTML5, CSS3, JavaScript/Type scripting and web development frameworks.
• Expertise in React, Nodejs,
• 3 years of SQL server development 
• Database design SOAP, REST

We are looking for a full-stack developer with  3+ years of experience in NodeJS and frontend technologies like HTML/CSS/JS + ReactJS + VueJS

- Strong Coding Skills
- Experience building scalable products
- 3+ years of experience in NodeJS with an understanding of callbacks, async/await, promises,
  asynchronous functions, usage of third-party libraries, ExpressJS, PassportJS etc
- Good command over Data Structure, Algorithms
- Experience working with NoSQL & SQL Databases like Mysql, MongoDB, ElasticDB, Redis etc
- Good design skills
- The ability to produce bug-free and production-grade code
- Knowledge of Go, Docker and kuberneates is a plus.

• Health Memberships 
• Sports Subscriptions 
• Entertainment Subscriptions 
• Key Conferences and Event Passes
• Learning Stipend 
• Team Lunches and Parties 
• Travel Reimbursements 
• ESOPs 

Thast what we think would bloom up your personal life, as a gesture for helping us with your talents.

Join us to be a part of our Exciting journey to Build one Digital Identity Platform!!!

Major Responsibility/ Job Responsibility:    

Strong knowledge with Java frameworks (Spring, Hibernate, Mybatis)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding of object-oriented design patterns.

Strong experience in Architecture & Designing, Web services (Rest or SOAP)

Good knowledge on Jasper Reports, iReports & XML

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4, Primefaces

Good knowledge on SQL and PL/SQL for Postgres, Oracle database

Good understanding of application and web servers – JBOSS, TOMCAT, JETTY

Hands- on experience for Eclipse IDE

Self-learner willing to experiment with latest features

Team player, willing to take responsibility and contribute

Experience in Waterfall/Agile development

Good communication skills both written and oral.

Hands on Experience with Unit Testing of Application using Junit Framework.

Key Result Areas:

Requirement analysis, design, Coding & unit testing

Technical documentation

Timely delivery of module with good quality

Sound knowledge on OOAD

Sound knowledge on n-tier, MVC architecture

Necessary Qualification/ Technical Skills:

2-5 years of total IT experience

Strong knowledge with Java frameworks (Spring, Hibernate, mybatis,)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4,Primefaces

Good knowledge on Jasper Reports, iReports & XML

Good knowledge on SQL or PL/SQL for Postgres, MySQL, Oracle database.

Good understanding of application and web servers – JBOSS,TOMCAT,JETTY

Desirable:

Experience in short release cycles & full software life cycle.

Entire SDLC knowledge

Demonstrated problem solving, analytic and troubleshooting skills.

Basic/Advanced Java Certification

Special Skills (If Any):

Experience in Performance Tuning and creation of secured applications

Experience with high volume and highly scalable application is a plus.

Experience in Transport, Logistics & Finance domain