Sr. Big Data Engineer

🚀 Hiring: React.js

⭐ Experience: 2+ Years

📍 Location: Mumbai

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners or 15 Days

(Only immediate joiners & candidates serving notice period)

We’re looking for a skilled React.js Developer to join our growing team! If you love building dynamic, user-friendly web applications and have strong expertise in React.js, JavaScript (ES6+), and modern front-end tools, this role is for you.

✅ Key Skills:

• Proficiency in React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with Redux / Context API
• Strong knowledge of REST APIs & JSON
• Familiarity with Git & Agile development
• Bonus: TypeScript, Next.js, Testing (Jest/Enzyme), UI frameworks (Material-UI/Tailwind)

🎯 Role Overview

We are a UK-based SaaS company powering online ordering, POS, and mobile apps for restaurants and takeaways. We already serve 1200+ clients on our legacy platform and are migrating to a modern Python-Django, React, Flutter, microservices stack hosted on OVH Cloud.

We’re looking for a hands-on Senior Architect/Lead based in India (preferably Kerala) who can:

• Audit and stabilize our current build,

• Deliver MVP in weeks, not months,

• And evolve into the future CTO of the company.

This role is high-impact: you’ll work closely with the UK leadership team and lead a growing India-based engineering group.

🛠️ Key Responsibilities

• Architecture & Ownership

• Review and refactor existing codebase (Django backend, Flutter apps, React admin).

• Define clean architecture, APIs, and service boundaries.

• Simplify into a stable MVP (modular monolith first, microservices later).

• Delivery Management

• Enforce agile sprints (2-week cycles).

• Set up CI/CD pipelines, test automation, QA cycles.

• Ensure smooth and secure deployments on OVH cloud.

• Hands-On Development

• Lead by example — write/refactor core backend/frontend code.

• Mentor and guide 3 in-house developers (transitioning from PHP/Opencart).

• Scaling & Future Roadmap

• Prepare system for multi-language support, payments, POS integrations.

• Define a 12–24 month tech roadmap aligned with business goals.

• Explore AI-assisted coding/testing to boost team productivity.

• Leadership

• Act as technical counterpart to business leadership in the UK.

• Build and lead a strong India-based engineering team as we scale.

✅ Required Skills & Experience

• 7–10 years professional development experience, with at least 3 years leading teams or projects.

• Strong hands-on expertise in:

• Python-Django (backend, APIs, ORM, migrations)

• Flutter (cross-platform apps)

• React (admin dashboards)

• DevOps (CI/CD, Docker, cloud deployments)

• Proven track record of shipping SaaS products from MVP → production.

• Experience cleaning up/refactoring messy codebases.

• Ability to mentor mid-level and junior devs.

• Bonus: Experience with restaurant/retail tech, POS, or fintech/payments.

🚀 Desirable Traits

• Pragmatic “builder” mindset → knows how to cut complexity and ship fast.

• Hands-on problem solver, not just a PowerPoint architect.

• Ambition to grow into CTO role (lead a larger tech org, own platform strategy).

• Strong communicator — can bridge between UK business team and India dev team.

💼 What We Offer

• Competitive salary for senior-level (₹12 -  ₹18 lakhs INR / year depending on experience).

• Future CTO track opportunity.

• Chance to lead the rebuild of a SaaS platform already trusted by 1200+ businesses.

• Direct collaboration with UK leadership, high ownership and visibility.

📌 How to Apply

Send CV + GitHub/LinkedIn. In your cover note, describe:

• A time you had to rescue a struggling project.

• Your experience with Django + Flutter + React in one product.

• Why you’d want to grow into CTO responsibilities.

About Root Node

We’re an early-stage startup building intelligent tools for planning, scheduling, and optimization—starting with timetabling and warehouse logistics. Backed by deep domain expertise and a growing customer pipeline, we’re now building our core tech team. This is not just a coding job — it's a chance to build something meaningful from the ground up.

About the job

• Design and implement robust backend systems and APIs using Java or similar backend language and Spring Boot or equivalent frameworks
• Integrate backend services with existing custom ERP systems 
• Work closely with the founder on product architecture, feature prioritization, and go-to-market feedback
• Take full ownership of features — from system design and development to deployment and iterative improvements
• Help shape our engineering culture and technical foundations

You're a Great Fit If You:

• Have 3+ years of experience in backend development
• Are strong in Java or similar languages (e.g., Kotlin, Go, Node.js)
• Have solid experience with Spring Boot or equivalent backend frameworks
• Have integrated with ERP or enterprise systems in production environments
• Are comfortable with both SQL (PostgreSQL) and NoSQL (MongoDB)
• Understand REST API development, authentication, Docker
• Have an entrepreneurial mindset — you're excited about ownership, ambiguity, and making decisions that shape the product and company
• Want more than just a job — you want to build, solve, and learn rapidly

What We Offer

• Competitive salary
• High degree of ownership and autonomy
• Ability to shape the tech and product direction from Day 1
• Transparent and fast decision-making culture
• A builder’s environment — solve real-world problems with real impact

Job Description: Software Engineering –Sr. Software Engineer

Key Responsibilities - Responsible for design, problem solving, develop, modify, debug and/or maintain software system for one or more specific modules within a large software system scope

Must have:

React JS, Java script, Jquery, JSP, Struts, Java, Spring Framework, Database

Preferred Skills/Experience:

• 7+ years of hands-on software development experience in designing and implementing complex, distributed applications.

Knowledge on front end technology is must such as React JS / Angular

• Knowledge and real time experience in Designing, Development, and Maintenance of Scalable, Distributed applications.

• Strong experience in Java, Spring Boot-based application on RDBMS (SQL Server ).

• Hands on experience with frameworks like ReactJS, AngularJS, NodeJS and designing Microservice/Event-driven architecture.

• Experience with cloud migration (AWS or Azure) and managing the development of cloud-based applications and development of APIs, web services.

• Capable of troubleshooting errors, finding root causes, resolving failures in real time.

• knowledge of Relational Databases, SQL and ORM Technologies(Hibernate, JPA, Spring Data).

• Experience with version control and source code management tools such as Git, GitHub and Bitbucket.

• Thorough understanding of Java and J2EE Internals (Class Loading, Memory Management, Transaction Management.).

• Knowledge on creation of CI/CD pipelines using Jenkins, Groovy and GitHub actions workflows.

• Knowledge on working and leading Agile/Scrum development cycles.

• Implement test cases using Junit, Mockito, Cucumber, jest

Should have interaction with Architect /Interior designer /Consultant
➢ Knowledge to deal with builders would be added advantage
➢ Good Communication skills is a must
➢ Knowledge of computers (excel/word/PowerPoint)

Required Qualification: Mechanical engineer/MBA, Marketing

• Hands-on knowledge on various CI-CD tools (Jenkins/TeamCity, Artifactory, UCD, Bitbucket/Github, SonarQube) including setting up of build-deployment automated pipelines.
• Very good knowledge in scripting tools and languages such as Shell, Perl or Python , YAML/Groovy, build tools such as Maven/Gradle.
• Hands-on knowledge in containerization and orchestration tools such as Docker, OpenShift and Kubernetes.
• Good knowledge in configuration management tools such as Ansible, Puppet/Chef and have worked on setting up of monitoring tools (Splunk/Geneos/New Relic/Elk).
•             Expertise in job schedulers/workload automation tools such as Control-M or AutoSys is good to have.
• Hands-on knowledge on Cloud technology (preferably GCP) including various computing services and infrastructure setup using Terraform.

• Should have basic understanding on networking, certificate management, Identity and Access Management and Information security/encryption concepts.
• •             Should support day-to-day tasks related to platform and environments upkeep such as upgrades, patching, migration and system/interfaces integration.
• •             Should have experience in working in Agile based SDLC delivery model, multi-task and support multiple systems/apps.
• •             Big-data and Hadoop ecosystem knowledge is good to have but not mandatory.

• Should have worked on standard release, change and incident management tools such as ServiceNow/Remedy or similar

Senior Software Engineer-Frontend

About the role: 

We are looking for passionate, talented, and highly motivated hands-on Front End Developers with a creative edge, strong problem solving skills and strong development fundamentals. We strive to maintain an open culture where everyone is a contributor and feels comfortable sharing ideas and opinions. Our team, drawn from the best product companies, is obsessive in its detailing and our focus is on awesome User Interaction.

Requirements:

• Ability to collaborates with teams to explore existing systems, determines areas of complexity and learns the applications capabilities
• Complete understanding of internal code and workings on any popular open source library will be highly appreciated
• Some record of contribution to any popular front end open source project is a big plus.

Skills that will help you succeed in this role:

• An ideal Senior Front End Engineer would have 3-6 years of experience in building highly scalable UI on the Web/Mobile.
• Highly skilled at building highly performant web applications using  JavaScript, HTML and CSS including frameworks and tools such as React, Redux, Redux saga, Sass, Less etc.
• Ability to write testable, maintainable code that’s easy to understand.
• Experience in modern front-end build pipelines and tools.
• Ability to take complex problems and break them down into smaller tasks.
• An innate curiosity about how things work.
• Strong product and design sensibilities and an obsessive attention to detail.
• Excellent communication skills.
• Self-directed team player who thrives in a continually changing environment.
• We are looking for passionate, talented, and highly motivated hands-on Front End Developers with a creative edge, strong problem solving skills and strong development fundamentals. 

Minimum 3+ Years of hands-on experience in developing Python Applications. 
Excellent knowledge of Python and experience in or in-depth understanding of core Python 
Knowledge in Lists, Tuples, and Dictionaries
Excellent knowledge of Python Constructor- Parameterized and Non-Parameterized
Must have experience in core python concepts about data structure, OOPS concepts, XML parsing, XML to JSON, optimizations

Developers should have developed Web Based applications., back end, SQL
Agile and scrum methodology

Should not be test automation, Application development frame work

Excellent Communication Skill

Good to Have 

Django/ Flask 
Strong Hands-on experience in HTML, CSS, DTL(Django Template Language), SASS.
knowledge of SQL