Full stack developer React.js, python, mangodb

SimplyFI is a fast-growing AI- and blockchain-powered product company transforming trade finance and banking through digital innovation. We build scalable, intelligent platforms that simplify complex financial workflows for enterprises and financial institutions.

We are looking for a Full Stack Tech Lead with strong expertise in ReactJS (primary) and solid working knowledge of Python (secondary) to join our team in Thane, Mumbai.

Role: Full Stack Tech Lead (ReactJS + Python)

Key Responsibilities:

• Design, develop, and maintain scalable full-stack applications, with ReactJS as the primary frontend technology
• Build and integrate backend services using Python (Flask / Django / FastAPI)
• Design and manage RESTful APIs for internal and external system integrations
• Collaborate on AI-driven product features and support machine-learning model integrations when required
• Work closely with DevOps teams to deploy, monitor, and optimize applications on AWS
• Ensure performance, scalability, security, and code quality across the application stack
• Collaborate with product managers, designers, and QA teams to deliver high-quality features
• Write clean, maintainable, and testable code following engineering best practices
• Participate in agile processes, including code reviews, sprint planning, and daily stand-ups

Required Skills & Qualifications:

• Strong hands-on experience with ReactJS, including hooks, state management, Redux, and API integrations
• Proficiency in backend development using Python (Flask, Django, or FastAPI)
• Solid understanding of RESTful API design and secure authentication mechanisms (OAuth2, JWT)
• Experience working with databases such as MySQL, PostgreSQL, and MongoDB
• Familiarity with microservices architecture and modern software design patterns
• Hands-on experience with Git, CI/CD pipelines, Docker, and Kubernetes
• Strong problem-solving, debugging, and performance optimization skills

We are seeking talented and motivated Full Stack Web Developer to join our team. The ideal candidate should have hands-on experience in front-end, back-end, databases, and cloud deployment. You will be responsible for designing, developing, and maintaining scalable web applications, working closely with cross-functional teams in a fast-paced environment.

Responsibilities

• Design and develop responsive front-end applications using modern frameworks (React.js / Angular / Vue.js).
• Build and maintain RESTful APIs / GraphQL services using Node.js, Express, Django, or similar.
• Develop robust back-end systems with focus on performance, scalability, and security.
• Work with databases (MySQL, PostgreSQL, MongoDB, etc.).
• Deploy and manage applications on cloud platforms (AWS / Azure / GCP).
• Collaborate with designers, product managers, and DevOps engineers in an Agile environment.
• Write clean, reusable, and testable code following best practices.
• Debug, troubleshoot, and optimize application performance.

Required Skills

• Front-end: React.js / Angular / Vue.js, HTML5, CSS3, JavaScript (ES6+).
• Back-end: Node.js / Express.js / Django / Spring Boot.
• Databases: MySQL, PostgreSQL, MongoDB.
• Version Control: Git, GitHub, GitLab.
• Cloud Deployment: AWS / Azure / GCP.
• CI/CD basics and DevOps awareness.

Preferred Skills (Good to Have)

• TypeScript for scalable front-end development.
• Experience with Docker / Kubernetes.
• Familiarity with microservices architecture.
• Test automation (Jest, Mocha, Cypress).
• Exposure to Agile/Scrum methodologies.

Eligibility

• B.E / B.Tech / M.E / M.Tech / MCA / M.Sc (IT/CS).
• 2–5 years of experience as a Full Stack Developer.
• Strong problem-solving and analytical skills.

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TL;DR

Founding Software Engineer (Next.js / React / TypeScript) — ₹17,000–₹24,000 net ₹/mo — 100% remote (India) — ~40 h/wk — green-field stack, total autonomy, ship every week. If you can own the full lifecycle and prove impact every Friday, apply.

🏢 Mega Style Apartments

We rent beautifully furnished 1- to 4-bedroom flats that feel like home but run like a hotel—so travellers can land, unlock the door, and live like locals from hour one. Tech is now the growth engine, and you’ll be employee #1 in engineering, laying the cornerstone for a tech platform that will redefine the premium furnished apartment experience.

✨ Why This Role Rocks

💡 Green-field Everything

Choose the stack, CI, even the linter.

🎯 Visible Impact & Ambition

Every deploy reaches real guests this week. Lay rails for ML that can boost revenue 20%.

⏱️ Radical Autonomy

Plan sprints, own deploys; no committees.

• Direct line to decision-makers → zero red tape
• Modern DX: Next.js & React (latest stable), Tailwind, Prisma/Drizzle, Vercel, optional AI copilots – building mostly server-rendered, edge-ready flows.
• Async-first, with structured weekly 1-on-1s to ensure you’re supported, not micromanaged.
• Unmatched Career Acceleration: Build an entire tech foundation from zero, making decisions that will define your trajectory and our company's success.

🗓️ Your Daily Rhythm

• Morning: Check metrics, pick highest-impact task
• Day: Build → ship → measure
• Evening: 10-line WhatsApp update (done, next, blockers)
• Friday: Live demo of working software (no mock-ups)

📈 Success Milestones

• Week 1: First feature in production
• Month 1: Automation that saves ≥10 h/week for ops
• Month 3: Core platform stable; conversion up, load times down (aiming for <1s LCP); ready for future ML pricing (stretch goal: +20% revenue within 12 months).

🔑 What You’ll Own

1. Ship guest-facing features with Next.js (App Router / RSC / Server Actions).
2. Automate ops—dashboards & LLM helpers that delete busy-work.
3. Full lifecycle: idea → spec → code → deploy → measure → iterate.
4. Set up CI/CD & observability on Vercel; a dedicated half-day refactor slot each sprint keeps tech-debt low.
5. Optimise for outcomes—conversion, CWV, security, reliability; laying the groundwork for future capabilities in dynamic pricing and guest personalization.

Prototype > promise. Results > hours-in-chair.

💻 Must-Have Skills

Frontend Focus:

• Next.js (App Router/RSC/Server Actions)
• React (latest stable), TypeScript
• Tailwind CSS + shadcn/ui
• State mgmt (TanStack Query / Zustand / Jotai)

Backend & DevOps Focus:

• Node.js APIs, Prisma/Drizzle ORM
• Solid SQL schema design (e.g., PostgreSQL)
• Auth.js / Better-Auth, web security best practices
• GitHub Flow, automated tests, CI, Vercel deploys
• Excellent English; explain trade-offs to non-tech peers
• Self-starter—comfortable as the engineer (for now)

🌱 Nice-to-Haves (Learn Here or Teach Us)

A/B testing & CRO, Python/basic ML, ETL pipelines, Advanced SEO & CWV, Payment APIs (Stripe, Merchant Warrior), n8n automation

🎁 Perks & Benefits

• 100% remote anywhere in 🇮🇳
• Flexible hours (~40 h/wk)
• 12 paid days off (holiday + sick)
• ₹1,700/mo health insurance reimbursement (post-probation)
• Performance bonuses for measurable wins
• 6-month paid probation → permanent role & full benefits (this is a full-time employment role)
• Blank-canvas stack—your decisions live on
• Equity is not offered at this time; we compensate via performance bonuses and a clear path for growth, with future leadership opportunities as the company and engineering team scales.

⏩ Hiring Process (7–10 Days, Fast & Fair)

All stages are async & remote.

1. Apply: 5-min form + short quiz (approx. 15 min total)
2. Test 1: TypeScript & logic (1 h)
3. Test 2: Next.js / React / Node / SQL deep-dive (1 h)
4. Final: AI Video interview (1 h)

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🚫 Who Shouldn’t Apply

• Need daily hand-holding
• Prefer consensus to decisions
• Chase perfect code over shipped value
• “Move fast & learn” culture feels scary

🚀 Ready to Own the Stack?

If you read this and thought “Finally—no bureaucracy,” and you're ready to set the technical standard for a growing company, show us something you’ve built and apply here →

Responsibilities Include

You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work with front-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.

Requirements

• B.E/MS in Computer Science or equivalent.
• 10+ years or more of progressive software technology experience with at least 3 years in an architectural role.
• Completely hands on with technology and architecture. Start-up experience is a huge plus.
• Ability to quickly prototype and demonstrate technology value adds and educate + drive adoption within the extended technology team
• Excellent and robust understanding of scalable product system architecture(s), platforms and core technologies
• Demonstrated problem-solving and leadership skills to pursue correct engineering process in adverse conditions. Ability to embrace and demonstrate leadership beyond ownership
• Work with engineering leadership to setup and manage processes.
• Track record of thought leadership and out of the box thinking in the technology arena.
• Ability to work efficiently in an entrepreneurial and in a start-up environment
• A Java/Spring/Akka, Javascript or Golang rockstar.
• Deep and hands on knowledge of some of these technologies - MySQL, NodeJS, message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra, Arango, distributed caches such as Redis/memcached, container technology such as Docker and Kubernetes etc.
• Great proficiency in distributed systems design, with an ability to make the right trade-offs for creating future-proof solutions.
• Building quick PoCs and full-fledged solutions with various AWS managed services would be a big plus.

(Senior Product Engineer - ROR)

Experience - 3 to 6 years

Location  - Pune

We are looking for an enthusiastic developer with a strong understanding of core Ruby and Rails framework along with PostgreSQL database. Someone who is passionate about coding and loves to work in an ongoing challenging environment. You will be part of a talented software team. You have to consistently deliver in a fast paced environment and should be more than willing to build software that people love to use.

Key Responsibilities

The individual role that you’ll play in our team:

• Developing large multi-tenant applications in Rails.
• Understanding Rails best practices and religiously introducing those to our codebase.
• Knowledge on how to do effective Refactoring.
• Ability to write unit tests and following those practices religiously.
• Working closely with the Product managers and UX team.
• Helping QAs to write automated integration tests.
• Staying up-to-date with current and future Backend technologies and architectures.

Read the ‘Skills and Experience’ section, it is not the usual yada yada, you’ll be asked specific questions on these.

Skills and Experience

• Ruby on Rails architecture best practices
• Knowledge on the latest versions on ROR
• Strong OOP knowledge in Ruby.
• Asynchronous Networking in Ruby 
• Designing RESTFul HTTP APIs using JSON-Schema or JSON API (http://jsonapi.org/">jsonapi.org).
• Ability to architect and develop API only backend
• Experience in using ActiveRecordSerializer
• Understanding O-Auth2 or JWT (Json Web Token) authentication mechanisms.
• How to use RSpec
• Rails Security Best Practices
• PostgreSQL and Rails.
• SQL concepts like Joins, Relationships etc.
• Understanding DB Partition strategies.
• Knowledge about refactoring ActiveRecord Models (read this - “7 Patterns to Refactor Fat ActiveRecord Models”).
• Understanding scaling strategies for a high-traffic Rails applications (2 million+ requests a day).
• Background Job processing using Redis and Sidekiq
• Experience in using Amazon Web Services (AWS) tools.
• Writing automated Deployment Scripts using Capistrano, Ansible etc.
• Sending emails in Rails
• Knowledge in Linux and Git is mandatory

Optional Skills

• Knowledge in using Chef or Puppet
• Ability to do basic DevOps like setting up a Linux server.
• Websocket communication in Rails 5.
• Node.js
• JRuby

Scalefusion (formerly known as Mobilock Pro): (Our Flagship Product)  

Scalefusion MDM allows organizations to secure & manage endpoints including smartphones, tablets, laptops, rugged devices, mPOS, and digital signages, along with apps and content. It supports the management of Android, iOS, macOS and Windows 10 devices and ensures streamlined device management operations with InterOps. Fusion of Endpoints at Scale. 

Promobi Technologies:   

ProMobi Technologies provides a leading Mobile Device Management Solution under the brand Scalefusion. The solution allows organizations to manage Android and iOS devices from the cloud. It offers modern mobile device management (MDM), application management (MAM) and content management (MCM) experience for corporate-owned devices. Renowned organizations from startups to Fortune 500 trust Scalefusion for their Device Management.