Senior Full Stack dev backend for Ticketing Platform Using Claude Code

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

Who Are We

A research-oriented company with expertise in computer vision and artificial intelligence, at its core, Orbo is a comprehensive platform of AI-based visual enhancement stack. This way, companies can find a suitable product as per their need where deep learning powered technology can automatically improve their Imagery.

ORBO's solutions are helping BFSI, beauty and personal care digital transformation and Ecommerce image retouching industries in multiple ways.

WHY US

• Join top AI company
• Grow with your best companions
• Continuous pursuit of excellence, equality, respect
• Competitive compensation and benefits

You'll be a part of the core team and will be working directly with the founders in building and iterating upon the core products that make camera intelligent and images more informative.

To learn more about how we work, please check out

https://www.orbo.ai/.

Knowledge/Qualifications/ Competency

• Any Graduate – Any Specialization with 3+ yrs of relevant strong object-oriented JavaScript & MVC with analytical/logical thinking & problem solving skills (Object Oriented JS, JQUERY, Angular, NodeJS)

Skills Required

• 2+ years of web application development experience using Javascript
• Experience in Angular / React.js, Node.js, and Express.js/loopback.js
• Deep understanding of RESTful APIs
• Data modelling experience in both relational and NoSQL databases(MongoDB preferred).
• Experience deploying and maintaining a micro-service architecture
• Experience with Microsoft Azure
• Experience with server-less infrastructure paradigms (AWS Lambda, etc).
• Experience building a scalable product is a bonus!

Responsibilities

• You will write reusable, testable, and efficient code
• You will look to optimize applications for performance and scalability.
• You will be building secured backend API's to be consumed by multiple applications (e.g. web and mobile)
• You will constantly be collaborating with a team member and help colleagues
• You will make architectural decisions
• You will use every possible opportunity to share your own professional experience with your team members

Our perfect candidate is someone that:

• is proactive and an independent problem solver
• is a constant learner. We are a fast growing start-up. We want you to grow with us!
• is a team player and good communicator

What We Offer

• You will have fun working with a fast-paced team on a product that can impact the business model of E-commerce and BFSI industries. As the team is small, you will easily be able to see a direct impact of what you build on our customers (Trust us - it is extremely fulfilling!)
• You will be in charge of what you build and be an integral part of the product development process
• Technical and financial growth!

About ProjectDiscovery

ProjectDiscovery is an open-source powered cyber security company with a mission to democratize security. With one of the largest open-source security communities in the world, we host contributions from security researchers and engineers to our 20+ open-source projects, including tools like Nuclei and httpx, which have earned us over 100k GitHub stars and millions of downloads.

We’re a passionate, globally distributed team of ~35, driven by the shared mission of revolutionizing the application security landscape. Backed by $25M in funding, we’re looking for talented individuals to join us in Jaipur office.

Learn more at:

🌐 ProjectDiscovery.io

📂 ProjectDiscovery GitHub

About the Role

We are looking for a software engineer to join our core platform team. The Platform team is a small group of experienced engineers managing ProjectDiscovery infrastructure, improving developer velocity, and ensuring the security, reliability, and scalability of our software. We are highly engaged in shaping the engineering culture at ProjectDiscovery, and operate as “the execution arm” working closely with founders and our CTO.

• Own codebase health, iteration velocity, and developer experience for all of ProjectDiscovery engineering.
• Build and maintain scalable, high-performance web applications.
• Work across the stack, from crafting intuitive front-end interfaces to building robust backend systems.
• Design and implement secure, maintainable APIs for seamless integration of tools and platforms.

What We’re Looking For:

• Expert with JavaScript (Next.js, React) and backend technologies like Node.js and Go.
• Experience with cloud services (Vercel, AWS, GCP) and modern DevOps practices.
• Knowledge of RESTful APIs and database systems like PostgreSQL, Elastic or MongoDB.
• Self-motivated and passionate about solving complex problems at scale.
• Operating and optimizing CI/CD systems to improve developer velocity

Why Join Us?

• Competitive compensation package and stock options.
• Inclusive Healthcare Package.
• Learn and grow - we provide mentorship and send you to events that help you build your network and technical skills.
• Learn with intense innovation and software shipping cycles. We ship multiple times a week and push major releases a couple of times a month.

Our Interview Process

We value efficiency and technical excellence in our hiring process:

1. Application Review: Your application is reviewed by a technical team member.
2. Initial Screening: A short call to understand your background, goals, and fit.

• Technical Rounds:Coding Assessment: Solve challenges using our tech stack.
• Create PR: Develop or enhance a feature related to one of our open-source tools.

1. Final Round: Showcase your work, share your vision, and discuss how you can contribute to ProjectDiscovery at our office in Jaipur.

Title

Full Stack MERN/ MEAN Tech Lead

Location

Bangalore

About the company

With over a decade of experience, we specialize in crafting bespoke integration solutions and empowering businesses across the globe with a combined approach to emerging technology. We use cutting edge enterprise platforms - Microsoft, Salesforce, SAP and more Since our establishment in 2004, with our headquarters located in Tampa, USA, eCosmos has been extending global reach and domestic support to a diverse range of organizations, from start-ups to Fortune 500 companies

. Job Summary:

The Lead Developer provides technical expertise which requires a working knowledge of the technical infrastructure underpinning the applications. Plans, consults, and coordinates complex project assignments in the design, development and implementation of applications software. Works as part of a service or project team to implement complex technical solutions that meet business requirements. Responsible for contributing to the planning of the work programs and the review, development, and modification of best practices and technical solutions. Provides supervision to a team of Developers

. What success looks like in this role:

• You will lead a team of 5-10 developers building web apps with React, Node.js, Express and MongoDB, and mobile apps with React Native.

• Architect scalable and high-performance web and mobile apps using proven JavaScript stacks like MERN and MEAN

• Establish best practices for web and mobile development, code quality, testing, and CI/CD

• Proficiency in TypeScript is required to develop and maintain the front-end and back-end of our web applications.

• Plan sprints, assign tasks, and oversee code reviews, testing, and releases

• Troubleshoot and debug applications across the stack

• Manage technical debt and spearhead migrations to new libraries/frameworks when needed

• Hire and mentor developers and promote an engineering culture of learning and excellence.

Skills Required:

• Excellent communication skills, both written and oral.

• Quick problem-solving skills with exceptional aptitude and reasoning. • Good orator, presenter with influencing skills to manage and negotiate complex conflicting resolutions.

• Ability to frame ideas in words to provide a perspective and outcome from analyzing them.

• Experience in leading, managing, mentoring a team of junior developers.

You will be successful in this role if you have:

: • Bachelor's in engineering (B.E or BTech.), MCA.

• 5+ years' experience leading web and/or mobile engineering teams

• Deep expertise with JavaScript, Node.js, React, React Native, and MongoDB • Experience building web apps with MERN or similar stacks • Experience building mobile apps with React Native or similar frameworks

• Excellent verbal and written communication skills

• Comfortable with Agile methodologies like Scrum and Kanban

• Strong leadership skills and commitment to building a world-class engineering team

Compensation & Benefits:

For the right candidate, e-Cosmos is ready to provide an extremely competitive salary and added incentive bonus potential

. e-Cosmos provides an attractive and complete benefits package:

✓ Accidental Death & Dismemberment Insurance

✓ Training and certification assistance

✓ Employee referral bonus program

✓ Vertical and Lateral increments

ETHICS COMPLIANCE:

: e-Cosmos is firmly committed to conducting business in compliance with the letter and spirit of the law and other accepted standards of business conduct as reflected in the company's policies.

We are looking for skilled Senior Full-Stack developers who can architect and develop large-scale enterprise applications using React.js for front-end and Node.js for API's.

Responsibilities :

●      Review application requirements and interface designs.

●      Identifying web-based user interactions.

●      Developing and implementing highly responsive user interface components using React concepts.

●      Writing application interface codes using Javascript following React.js workflows.

●      Understand proposed features and quickly design and build scalable API and SQL schema & queries.

●      Proactively analyze website performance and implement solutions for improvement.

●      Collaborate with architects, developers, business analysts, and QA analysts to design, develop, and test applications.

●      Documenting application changes and developing updates.

●      Collaborate with other team members.

Requirements :

●      Proven work experience as MERN developer (5+yrs)

●      3+ years of experience building complex web applications.

●      Solid work experience using component-based development on the client-side.

●      3+ years of experience coding robust and secure Rest API's in Node.js, JSON, XML.

●      Experience coding in JavaScript, HTML, CSS.

●      Experience in integrating systems using Rest APIs and single sign-on.

●      Experience with continuous integration / continuous deployment using AWS CodePipeline and CloudFormation templates.

●      Experience with AWS infrastructure (API Gateway, S3, Lambda, Aurora, EC2).

●      Experience with Google Analytics integration.

●      Deep knowledge to create standards-compliant, cross-browser, mobile compatible front-end code with responsive design.

●      Deep knowledge of server-side and front-end performance optimization.

●      Strong design skills are a huge plus.

●      Should be a self-starter who is excited to solve many technical challenges relentlessly.

●      Must have excellent written and verbal communication skills.

We are looking for a full stack developer having expertise in web development, with experience in React, NodeJS, Postgres. Should also have experience with API development & integration.

Key responsibilities:

- Develop back-end components that are scalable and reusable which aligns

with the existing architecture.

- Integrate user-facing elements developed by front-end developers with server-

side logic.

- Design, build, test, and document code

- Coordinate with internal teams to understand user requirements and provide

technical solutions.

- Make architecture decisions that contribute to maintainable systems.

Skill(s) required:

- HTML , JavaScript , CSS , NodeJs, ReactJs, Redux, Redux Saga, Postgres, SQL,

Git

- Computer science graduates would be preferred

- Familiarity with front-end technologies (like JavaScript, HTML, Bootstrap, CSS,

and React.js)

- Basic understanding of tech stacks - Postgres & Git

- Ability to work independently is a must.

- To add new features according to the requirements, to work on regular updates

as per the latest technological advancements.

- A solid understanding of how web applications work including security, session

management

You will be responsible for:

- Architecting and building these applications, as well as coordinating with the

teams responsible for other layers of the product infrastructure.

- Building pixel-perfect, smooth UIs across both mobile platforms.

- Maintaining code and writing automated tests to ensure the product is of the

highest quality.

- Diagnosing and fixing bugs and performance bottlenecks for performance that

feels native.

gingerCube Inc., based in Dallas, USA, provides a software platform to interface with hospitals, physician groups, resident programs, and billing services, improving revenue cycle and reducing time to bill by up to 85%. Our flagship product, maxRVU has been adopted by physician groups, hospitals and revenue cycle companies across the US. Over the past 6 years, we have developed a solid brand and continue to grow swiftly with top healthcare systems.

To meet rapid expansion, we are looking to hire a full-time Lead Engineer to join our growing team in Mumbai to build our products using Ruby on Rails. As our Lead Engineer, you will be responsible for creating innovative solutions to technical problems and deliver a top-notch user-experience to our enterprise customers. You must be highly motivated, lead by example and have a knack for designing optimized solutions.

You will report to the Director of Product Delivery and work at our office at a fun and open co-working space. Our startup-like environment means nothing holds you back from doing your best and chart your own growth path. You'll be able to see the impact of your work immediately, experience various aspects of the business, and hear from clients how your efforts benefit them directly.

Requirements:

• Bachelor's degree in a related area and 4 to 6 years of experience in the field
• Full stack with Ruby on Rails, HTML, CSS, and JavaScript.
• Familiarity with ruby gems and Github.
• Expertise of diverse technology stacks
• An understanding of sound database design principles and performance optimization
• Experience integrating with REST API’s
• Skilled with debugging tools, test harnesses, and performance tuning
• Expert with multi-tenant systems, secure coding practices, and authentication/authorization
• Expert in Ruby with a distinguished track record of solving challenging and complex problems efficiently
• Excellent knowledge of standard concepts, practices, and procedures within a particular field
• Enable RoR web applications on Heroku with Postgres
• Ability to take ownership of work and respond to critical issues quickly and work with the team.
• Plus: Software security practices for patient records(HIPAA), PCI, etc. and exposure to the healthcare industry.

• Architect, design and build complex, highly scalable, high performance enterprise applications
• Lead, mentor and work with a team of engineers to deliver on clients application expectations
• Work with clients engineering needs and deliver on requirements in a team environment
• Accelerate development velocity for all engineers and deliver continuous improvements to the teams process and codebase
• Build automation to prevent and/or remediate service problems from becoming production incidents

• React Js
• React - Redux
• redux - Thunk middleware
• Tailwind CSS / Saas
• HTML & CSS