Fullstack Developer

Position: Full Stack Developer (React.js + Node.js)

Experience: 2–5 Years

Location: Mumbai – Chembur West (Onsite)

Job Summary

We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.

Key Responsibilities

• Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
• Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
• Work with MongoDB and MySQL (schema design, indexing, query optimization)
• Implement authentication & authorization using JWT , RBAC , Oauth
• Integrate third-party APIs, Webhooks
• Build real-time features using Socket.io / WebSockets
• Ensure performance, scalability, and security (validation, sanitization)
• Implement caching using Redis (if applicable) and optimize API response times
• Support API testing (Postman/Supertest)
• Maintain API documentation using Swagger / OpenAPI
• Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
• Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery

Mandatory Skills

• React.js, Node.js, JavaScript (ES6+)
• MongoDB (must), MySQL
• REST API development & integration
• Socket.io / WebSockets, Webhooks
• HTML5, CSS3
• Git
• Typescript, Express.js / NestJS
• jQuery / AJAX (basic / legacy support)

Good to Have

• Redis, Swagger/OpenAPI
• Docker, CI/CD (GitHub Actions/Jenkins)
• Cloud exposure (AWS/Azure/GCP)

Qualification

BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.

CTC: As per industry std.

Expected Date of Joining Immediate/ 30 days  

What makes Techjays an inspiring place to work

At Techjays, we are helping companies reimagine how they build, operate, and scale with AI at the core.

We operate as part of the 1% of companies globally that can truly leverage AI the right way and not just as experimentation, but as secure, scalable, production-grade systems that drive measurable business outcomes.

Our strength lies in combining deep backend engineering with AI system design, building AInative platforms, intelligent workflows, and cloud architectures that are reliable, observable, and enterprise-ready. Our team includes engineers and leaders who have built and scaled products at global technology organizations such as Google, Akamai, NetApp, ADP, Cognizant Consulting, and Capgemini. Today, we function as a high-agency, execution-focused team building advanced AI systems for global clients.

About the role

We are looking for a strong backend engineer who can design and build secure, scalable Python systems that power AI-native applications.

You will work on AI-enabled platforms, production systems, and scalable backend services that support LLM integrations, RAG pipelines, and intelligent workflows.

Years of Experience: 3 - 7 years

Location: Coimbatore

Key Skills

Backend Development (Familiar):

• Python
• Django / Flask
• RESTful APIs
• Websockets

Cloud Technologies (Familiar):

• AWS (EC2, S3, Lambda)
• GCP (Compute Engine, Cloud Storage, Cloud Functions)
• CI/CD pipelines with Jenkins / GitLab CI or Github Actions

Databases (Familiar):

• PostgreSQL
• MySQL
• MongoDB

AI/ML (Familiar):

• Basic understanding of Machine Learning concepts
• Assist in building and integrating Agentic AI workflows
• Familiar with RAG
• Vector Databases (Pinecone or ChromaDB or others)

Tools:

• Git
• Docker
• Linux

Roles and Responsibilities

• Develop and maintain backend services using Python and Django/Flask under guidance.
• Assist in building scalable and secure APIs and backend systems for AI-driven applications.
• Write clean, efficient, and maintainable code following best practices.
• Collaborate with cross-functional teams including frontend developers, data scientists, and product teams.
• Participate in code reviews, debugging, and performance optimization.
• Support integration of AI/ML components such as LLMs and RAG pipelines.
• Continuously learn and improve technical skills in backend and AI technologies.

What We’re Looking for Beyond Skills

• Builder mindset — you think in systems, not just tickets
• Ownership — you take features from idea to production
• Structured thinking in ambiguous environments
• Clear communication and collaborative approach
• Ability to work in a fast-paced, evolving startup environment

What We Offer

• Competitive compensation
• Paid holidays & flexible time off
• Medical insurance (Self & Family up to ₹4 Lakhs per person)
• Opportunity to work on production-grade AI systems
• Exposure to global clients and high-impact projects
• A culture that values clarity, integrity, and continuous growth

Job description:

Tech Lead / Solution Architect – SaaS ERP (Hands-on Role)

This is NOT a managerial role.

We are building a large-scale AI-powered School ERP SaaS platform.

If you have not built a scalable SaaS product from scratch, please DO NOT apply.

---### Mandatory Requirements (No Exceptions)

* Built at least 1 SaaS product (not just worked on modules)

* Strong backend architecture experience (API design, DB design, scaling)

* Experience with multi-tenant systems (multiple clients in one platform)

* Hands-on coding ability (Node.js / Python / Java)

* Experience handling real users (1000+ active users)

---

### Do NOT Apply If:

* Only worked in service-based companies without product ownership

* Only frontend/mobile developer

* Only managed team but not coded

* No real production deployment experience

---

### Proof Required (Mandatory):

Attach the following in your application:

1. GitHub / live product link

2. Architecture diagram or explanation of a system you built

3. One real scaling problem you solved

Applications without proof will be rejected.

---

### Role Responsibility

* Design complete SaaS ERP architecture

* Lead backend and system design decisions

* Work hands-on with developers

* Ensure scalability, performance, and security

---

### Selection Process

1. Pre-screen architecture task

2. Technical discussion (real-world scenarios only)

3. 5-day paid trial

---

We are building for scale.

If you are not deeply technical and hands-on, this role is not for you.

Job Types: Full-time, Permanent

Work Location: In person

• Professional experience in enterprise java software development using Spring MVC framework , RESTful  APIs and SOA
• Experience working in Cloud(AWS)
• Outstanding problem solving skills
• API Development experience
• Exposure to monitoring tools such as ELK, Splunk
• Experience with Selenium for UI automated tests written in Cucumber or Scala
•  Able to handle day-to-day challenges and owning the resolution of issues as they arise.

Qualification: Bachelor's degree (B.E./B. Tech) in (CE/IT)Or MCA Or MSC IT

Skills:

Must Have:

- Oops

- Asp.Net MVC

- Dot.net Core

- MS SQL Server

- JQuery&Javascript

- RestAPIs

- Entity Framework

- HTML

- CSS

Good to Have:- TypeScript/Angular/React

- Xamarin/MAUI

Soft Skills:

- Good Communication skill.

- Able to create design document from the Requirements

- Can handle individual projects.

- Can manage a team and be a good team player.

- Clear reporting to the Client or manager.

Tools:

- Visual Studio

- VS Code

- Git

- Postman

Experience:

4-5+ years of experience in Web and APIs development in Dot Net C#/Vb.net & SQL Server

Roles & Responsibilities:

1. Participating in design discussions and solving complex business problems.

2. Responsibility for technical projects and see them into production following standard

development and quality processes.

3.Utilization of standard Microsoft stack technologies.

4. Supporting developers by providing technical and task direction.

5. Create technical and operational system documentation.

6. Ensuring compliance with IT Technology Roadmap.

7. Production support and escalation.Provide point of escalation during the day and off-hour.

8. Work closely with the development management team to design and implement use cases.

9. Analyze business requirements then design and code web applications, services, and batch

processes or Rest APIs.

We are looking for a Full Stack Lead having worked on NodeJS and React with total experience of 4 to 6 years. Minimum two year of experience in NodeJS, React and Redux is required for this position.

Responsible for requirements understanding, propose architecture, detailed design, development and timely deliverables with the highest quality standards.

We are looking for Product creators who can work with minimum inputs from business and are able to deliver products quickly and with quality.

This person should have worked in Enterprise class product from scratch. Start-up experience would be highly desirable.

Tech Stack: Node.js, React.js, HTML, CSS, AWS, MySQL, MongoDB, Mix panel/Metabase, Instamojo and Razor Pay, Google Analytics, FB Pixel, SEO, Dev Ops, CI/CD, Micro services, Unit Testing

Responsibilities

·      Will be responsible for designing and developing web-based enterprise class solutions using NodeJS, React and Redux.

·      Should be expert in writing Unit Test Cases with NodeJS and React and with quality.

·      Excellent communication and presentation skills.

·      Proven experience as an individual contributor/Architect.

·      Should be able to quicky come up with system design by understanding business requirement and translate into good quality product.

·      Building reusable components and front-end libraries for future use.

·      Translating designs and wireframes into high quality code.

·      Optimizing components for maximum performance across a vast array of web-capable devices and browsers.

Skills

·      Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

·      Thorough understanding of React.js, HTML, CSS and its core principles

·      Experience with popular React.js workflows (such as Flux or Redux)

·      Familiarity with newer specifications of ECMAScript

·      Experience with data structure libraries (e.g., Immutable.js)

·      Knowledge of isomorphic React is a plus

·      Familiarity with RESTful APIs

·      Knowledge of modern authorization mechanisms, such as JSON Web Token

·      Familiarity with modern front-end build pipelines and tools

·      Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

·      Knowledge of CI/CD and should have worked on at least one tool like Jenkins etc.

·      Ability to understand business requirements and translate them into technical requirements

·      A knack for benchmarking and optimization

·      Familiarity with GIT Technology like GitHub, Bitbucket

Desirable (Nice to Have skills):

·      Knowledge of Data analytics platform like Meta Base.

·      Good understanding of digital marketing, Google & FB Analytics, consumer funnel data tracking tools, including SEO.

·      Experience of e-commerce start up would be an added plus.

·      Scaling experience using AWS, knowledge of EBS, Docker, Kubernetes, Microservices.

·      AWS Certification would be an added plus.

·      Knowledge of Dev/Ops and should be able to set up CI/CD quickly.

·      Participation in Hackathons is an added plus.

Eligibility

BTech or MTech in Computer Science from a reputed institute, IIT, NIT, BITS Pilani, COEP (Pune), VJTI, BHU or ISM

Good knowledge on Data Structure and Algorithms.

Location-Andheri East, Mumbai, Maharashtra 400072

Profile- jr .PHP Developer 

Experience- 2 years

Ctc- Upto 6 LPA

Working Days & Time- 5 DAYS A WEEK...10 TO 6

Required Skills-

• Development experience of 2+ in PHP development
• Minimum 1 yrs experience on codeigniter
• API development for Mobile apps ( Android and iOS )
• Integration of third party APIs like Google Maps / Payment gateways
• Knowledge of PHP web frameworks including CodeIgniter and Laravel
• Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
• Understanding of object-oriented PHP programming.
• Previous experience creating scalable applications.
• Familiarity with SQL databases.

Thanks & Regards

We are looking for a Senior Python Developer to produce large scale distributed software solutions. You’ll be part of a cross-functional team that’s responsible for the complete software development life cycle, from conception to deployment.

If you’re also familiar with Agile methodologies, we’d like to meet you.

Responsibilities:

Work with development teams and product managers to ideate software solutions Design client-side and server-side architecture Build the front-end of applications through appealing visual design Develop and manage well-functioning databases and applications Write effective APIs Test software to ensure responsiveness and efficiency Troubleshoot, debug and upgrade software Create security and data protection settings Write technical documentation

Requirements
Proven experience as a Python Developer or similar role Knowledge on Python, Django, MongoDB, Elasticsearch, AWS Excellent communication and teamwork skills Great attention to detail Organizational skills An analytical mind Experience on Apache Kafka, Hbase and Graph DB is an added bonus

• Previous experience working as a React.js Developer.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles
• Familiarity with RESTful APIs
• Knowledge of performance testing frameworks including Mocha and Jest.
• Familiarity with code versioning tools (such as Git )
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.