Node JS Developer

Position Summary

We are looking for a strong hands-on Software Engineer to develop and maintain Python 3.10 backend services and FastAPI-based Backend for Frontend (BFF) for the CryoFlow platform. You will address the assigned tasks, understand the expected behavior, implement 

clean and well-tested code, and validate your work end to end.

This role suits an engineer who codes well, thinks through problems methodically, learns quickly in an unfamiliar domain, and takes pride in delivering features that work reliably in real product conditions. You will work closely with senior engineers, QA and front-end developers, and will participate in client feedback meetings to understand how your work is used.

Key Responsibilities

• Contribute to the refactor of existing backend capabilities into Python 3.10 services aligned with CryoFlow architecture and deployment practices.

• Develop and maintain REST APIs, Microservices, BFF using FastAPI and Uvicorn, exposing clear APIs for product workflows, integration screens and front-end consumers. 

• Follow team coding standards, branching strategy, review process and API conventions consistently

• Implement backend logic for status updates, validation, data persistence, device/session edge cases, report-generation helpers and user-facing error handling.

• Deliver assigned backlog items and tasks on schedule, with clean, readable and maintainable code.

• Participate in design discussions and reviews; propose simple, practical approaches and incorporate feedback well.

• Write and maintain tests for Python services and integration flows, including API tests, BFF route tests and mocked external calls.

• Debug across backend code, API responses, logs, databases and front-end symptoms with support from senior engineers where needed.

• Work closely with front-end developers on Angular integration and help debug integration issues.

• Collaborate with QA on test scenarios, defect reproduction and verification.

• Participate in client feedback and review meetings; understand feedback, capture action items and follow through.

Qualifications

• Bachelor’s or Master's degree in computer science, Software Engineering, Information Technology, or a related discipline.

Essential Skills 

Technical Expertise

• 5+ years of hands-on software development experience in backend or API-oriented applications.

• Strong Python programming skills, ideally with Python 3.10, in backend services or APIoriented applications.

• Hands-on experience with FastAPI and Uvicorn, including route design, validation, dependency injection patterns, async behaviour and logging.

• Working experience with or exposure to BFF layers that adapt backend/domain services for front-end workflows.

• Good understanding of REST APIs, data validation, error handling and service-toservice calls.

• Awareness of Microservice architecture and the trade-offs involved in service design.

• Strong problem-solving and debugging skills across code, APIs, logs and databases.

• A practical testing mindset: unit tests, API tests, mocks/fixtures and regression checks.

• Very good written and verbal communication skills.

• Ability to work independently on assigned tasks and collaborate effectively within a team.

Preferred Skills

• Familiarity in developing software for scientific instruments, laboratory automation, imaging systems, life sciences, healthcare technologies, medical devices, industrial automation, or other hardware-integrated software platforms.

• Familiarity to Angular v.17 front-end frameworks for integration and debugging.

• Familiarity with Docker, Kubernetes, container orchestration, observability, and production monitoring.

• Experience working in regulated or quality-controlled software development environments

Position: PHP, Laravel Developer (1 to 2 years)

Location: Marol, Andheri East, Mumbai

Company: Big Rattle Technologies Private Limited

Open for candidates from Mumbai only. Immediate Joiners only.

Summary:

We are looking for a passionate and skilled PHP Laravel Developer to join our growing team. You will be responsible for developing and maintaining high-quality web applications while adhering to best coding and security practices.

Key Responsibilities:

• Write clean, scalable, and well-documented code.
• Debug, test, and fix issues in existing applications.
• Ensure code quality, performance, and security by following industry standards.
• Manage code repositories and handle deployments.
• Contribute to all phases of the software development lifecycle.
• Collaborate with team members and participate in client meetings/calls.
• Stay updated with new technologies and continuously improve your technical skills.

Required Skills (hand-on experience in the following):

• Languages & Frameworks: PHP, Laravel
• Frontend: HTML5, CSS3, JavaScript, AJAX/Fetch, jQuery
• Database: MySQL
• MVC architecture, Design Patterns, Authentication, Eloquent ORM, Providers, Middleware, Supervisor, Cron Jobs
• API integration and Web Services (REST, JSON, etc.)
• Postman for API testing
• Version control systems such as Git or Bitbucket, including branching and merging
• Knowledge of operating systems, hosting, and deployment on cloud platforms like Google Cloud Platform (GCP)

Required Qualifications:

• Bachelor’s degree in computer science, Engineering, or related field OR equivalent practical experience.
• 1–2 years of professional experience in Laravel development.

Why should you join Big Rattle? 

Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.

Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.

What We Offer:

• Opportunity to work on diverse projects for Fortune 500 clients.
• Competitive salary and performance-based growth.
• Dynamic, collaborative, and growth-oriented work environment.
• Direct impact on product quality and client satisfaction.
• 5-day hybrid work week.
• Certification reimbursement.
• Healthcare coverage.

CORE PHP (ERP/ CRM / HRMS EXPERTISE)

Looking for smart candidates who are highly resourceful and innovative in Developing ERP Applications

Must have, working experience in ERP Applications like Finance, Examinations, Fees, Admission, LMS, Lead generation, HR with Leave, and Payroll Management.

JOB REQUIREMENTS

• MIN 4-6 years of experience in CORE PHP,LARAVEL & NODEJS
• Automating the system processes and developing the software products.
• Must be passionate to develop applications in PHP/MY SQL.
• Proficient in ajax ERP product development, PHP, MYSQL, database design, life cycle.
• Should be a quick learner and hardworking

JOB RESPONSIBILITY

• Build, identify and refactor quality features.
• Work productively with the team and feedback as required.
• Involve in a complete System Development Life Cycle.
• Developing ERP Applications and Software Products using Core Object-Oriented using PHP,MYSQL, AJAX, Angular 5
• Establish priorities, set objectives, and provide guidance.
• Align properly with the product owners and managers
• Contribute to developing an amazing team.

INTERVIEW PROCESS

Round 1

1. Introduction

2. MySQL-based questions

Round 2

Technical Round Details:

- We'll share an assignment during the Zoom meeting.

- You'll have 2-3 hours to complete the task based on the provided instructions and documents.

- After completion, our technical team will review your work.

QUALIFICATION

• B.Tech / B.E. Computers OR Diploma

WHATS' IN IT FOR YOU

We offer competitive salaries based on prevailing market rates. In addition to your introductory package, you can expect to receive the following benefits:

• Permanent WFH
• Learning and development opportunities
• PF benefits over and above the salaries

Benefit-Permanently Work from Home

Job Type: Full-time

Pay: 3LPA-6LPA Depend On Experience

Schedule:

• Day Shift (MONDAY-SATURDAY WORKING)
• Fluency in Hindi is Mandatory
• SCREEN SHARING IS MANDATORY DURING WORKING HOURS

Hiring CodeIgniter MVC(php) developer.

Job Location : Indore ( only work from Office)

Experience needed : minimum 6 months needed

******

1) CodeIgniter developer must have expertise in database, web services ( rest api), admin panel and all kinds of backend work.

2) Must have expertise in making RESTful json api, oops concept, JOIN, Array.

3) Must have done some fully dynamic backend website.

4) Can work individually or in a team , immediate joiner will be preferred as we are looking on urgent basis 2 developer

5) Any other technology knowledge will be plus

*****

Requirements

• Extensive and expert programming experience in at least one general programming language (e. g.

Java, C, C++) & tech stack to write maintainable, scalable, unit-tested code.

• Experience with multi-threading and concurrency programming.

• Extensive experience in object oriented design skills, knowledge of design patterns, and a huge passion

and ability to design intuitive modules and class-level interfaces.

• Excellent coding skills - should be able to convert design into code fluently.

• Knowledge of Test Driven Development.

• Good understanding of databases (e. g. MySQL) and NoSQL (e. g. HBase, Elasticsearch, Aerospike etc).

• Strong desire to solve complex and interesting real world problems.

• Experience with full life cycle development in any programming language on a Linux platform.

• Go-getter attitude that reflects in energy and intent behind assigned tasks.

• Worked in a startup-like environment with high levels of ownership and commitment.

• BTech, MTech or Ph. D. in Computer Science or related technical discipline (or equivalent).

• Experience in building highly scalable business applications, which involve implementing large complex

business flows and dealing with huge amounts of data.

• 3+ years of experience in the art of writing code and solving problems on a large scale.

• Open communicator who shares thoughts and opinions frequently, listens intently, and takes

constructive feedback.

• 2+ years of experience with Node.js
• Expertise in Typescript, AWS, Firebase, MongoDB, and Express

You will be bringing:

• Hands-on experience in writing applications using Node.js (including Socket.io and Express or similar)
• Excellent knowledge of a few of the available databases such as MySQL, MongoDB, etc.
• Proficiency in application deployment on Linux or Ubuntu environments
• Proficiency in JavaScript languages like React and/or Angular, along with a comprehensive experience in open-source frameworks
• Experience in server-client architecture project(s)
• Ability to prioritize in a chaotic and ambiguous environment
• An open, growth mindset when giving and receiving feedback