Full Stack Developer

Job Title : Full Stack Engineer (Python + React.js/Next.js)

Experience : 1 to 6+ Years

Location : Bengaluru (Indiranagar)

Employment : Full-Time

Working Days : 5 Days WFO

Notice Period : Immediate to 30 Days

Role Overview :

We are seeking Full Stack Engineers to build scalable, high-performance fintech products.

You will work on both frontend (Typescript/Next.js) and backend (Python/FastAPI/Django), owning features end-to-end and contributing to architecture, performance, and product innovation.

Main Tech Stack :

Frontend : Typescript, Next.js, React

Backend : Python, FastAPI, Django

Database : PostgreSQL, MongoDB, Redis

Cloud : AWS/GCP, Docker, Kubernetes

Tools : Git, GitHub, CI/CD, Elasticsearch

Key Responsibilities :

• Develop full-stack applications with clean, scalable code.
• Build fast, responsive UIs using Typescript, Next.js, React.
• Develop backend APIs using Python, FastAPI, Django.
• Collaborate with product/design to implement solutions.
• Own development lifecycle: design → build → deploy → monitor.
• Ensure performance, reliability, and security.

Requirements :

Must-Have :

• 1–6+ years of full-stack experience.
• Product-based company background.
• Strong DSA + problem-solving skills.
• Proficiency in either frontend or backend with familiarity in both.
• Hands-on experience with APIs, microservices, Git, CI/CD, cloud.
• Strong communication & ownership mindset.

Good-to-Have :

• Experience with containers, system design, observability tools.

Interview Process :

1. Coding Round : DSA + problem solving
2. System Design : LLD + HLD, scalability, microservices
3. CTO Round : Technical deep dive + cultural fit

Job Description – Full Stack Developer (React + Node.js)

Experience: 5–8 Years

Location: Pune

Work Mode: WFO

Employment Type: Full-time

About the Role

We are looking for an experienced Full Stack Developer with strong hands-on expertise in React and Node.js to join our engineering team. The ideal candidate should have solid experience building scalable applications, working with production systems, and collaborating in high-performance tech environments.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications using React and Node.js.
• Collaborate with cross-functional teams to define, design, and deliver new features.
• Write clean, maintainable, and efficient code following OOP/FP and SOLID principles.
• Work with relational databases such as PostgreSQL or MySQL.
• Deploy and manage applications in cloud environments (preferably GCP or AWS).
• Optimize application performance, troubleshoot issues, and ensure high availability in production systems.
• Utilize containerization tools like Docker for efficient development and deployment workflows.
• Integrate third-party services and APIs, including AI APIs and tools.
• Contribute to improving development processes, documentation, and best practices.

Required Skills

• Strong experience with React.js (frontend).
• Solid hands-on experience with Node.js (backend).
• Good understanding of relational databases: PostgreSQL / MySQL.
• Experience working in production environments and debugging live systems.
• Strong understanding of OOP or Functional Programming, and clean coding standards.
• Knowledge of Docker or other containerization tools.
• Experience with cloud platforms (GCP or AWS).
• Excellent written and verbal communication skills.

Good to Have

• Experience with Golang or Elixir.
• Familiarity with Kubernetes, RabbitMQ, Redis, etc.
• Contributions to open-source projects.
• Previous experience working with AI APIs or machine learning tools.

What This Role Offers

• Direct access to founders — plus the runway to build your own e-comm brand.
• Creative freedom to experiment with formats, hooks, and trends — and ship fast.
• Massive visibility — your work will reach millions across India and the world.
• A front-row seat to scaling a fast-growing, publicly listed fashion brand.

Not the Right Fit If You

• Don’t understand technical concepts like Browser mechanics, Database management, Security.
• Need heavy scripting or step-by-step creative direction to ship.
• Haven’t contributed to Open Source before.
• Want a purely managerial/strategist role with minimal hands-on creation.

Pro Tip: share your portfolio of past tech products you’ve made and notice our speed at responding ;)

What Makes You the Perfect Fit:

• Technical Foundation: BSc in Computer Science (or equivalent) and prior experience as a Software Engineer—comfortable reading and writing code when needed
• Automation & No-Code Expertise: Proven track record implementing at least two enterprise-grade SaaS or no-code tools (e.g., Coda, Zapier, Make.com, n8n) across multiple teams
• Process-First Mindset: You see operations as a canvas—love mapping workflows, spotting bottlenecks, and reimagining end-to-end processes
• Cross-Functional Communicator: Skilled at translating technical capabilities into clear business solutions, training non-technical stakeholders, and fostering user adoption
• Continuous Learner: Passionate about evaluating the latest AI and automation platforms—constantly asking, “How can this tool make us faster, smarter, and more resilient?”

Why Work With Us & What’s In It For You

• End-to-End Problem Solving: You’ll get to deconstruct real-world retail challenges—from inventory bottlenecks to customer experience gaps—fueling your curiosity and sparking ideas for building your own SaaS ventures down the road.
• Deep Customer Insight: By collaborating closely with frontline teams and engaging directly with customers, you’ll develop a keen understanding of business grievances and the “voice of the customer,” sharpening your ability to design solutions that truly matter.
• Avant-Garde Tool Playground: This isn’t a sandbox—it’s a live environment. You’ll have the freedom and support to evaluate, pilot, and roll out cutting-edge AI and SaaS platforms in mission-critical contexts, measuring impact in real time.
• High-Impact Role: You’ll be the catalyst for digital transformation across every function of a fast-growing public company.
• End-to-End Visibility: From sourcing raw materials to delighting end-customers, you’ll see firsthand how your solutions ripple through each stage of our business.

What You’ll Do:

• Drive Process Reforms: Map existing workflows across Sales, Sourcing, Retail, E-commerce, Marketing, Accounts, Finance, Legal, and other functions—identify inefficiencies and redesign for speed, accuracy, and scalability.
• Document & Diagram Workflows: Create clear process documentation and visual workflow diagrams for every automation and tool integration to ensure transparency and maintainability.
• Produce Training Content: Develop short, engaging video tutorials and introductory demos that walk teams through new SaaS/no-code tools and AI workflows, ensuring rapid adoption and self-service capability.
• Implement Modern SaaS using Vibe Coding & No-Code Solutions: Lead the roll-out of platforms such as Coda, Make, Zapier, n8n, and generative-AI services—build custom dashboards, automated notifications, data integrations, and self-service portals for each department.
• Cross-Department Collaboration: Partner with stakeholders from every team to define requirements, pilot new systems, gather feedback, and scale solutions—ensure adoption through workshops, documentation, and ongoing support.
• Prototype & Experiment Rapidly: Develop proof-of-concept automations and AI workflows; conduct quick A/B tests to validate impact on KPIs like turnaround time, error rates, and employee satisfaction.
• Scale & Standardize: Once a tool or process shows positive ROI, establish best practices, security guidelines, and governance frameworks to ensure consistency and compliance across the organization.

• Working knowledge of NodeJS, and JAVASCRIPT, is a must.
• Working knowledge of AWS cloud concepts is a must.
• Must be familiar with AWS serverless architecture.
• Must be familiar with data structure & algorithm concepts.
• Design, develop, and implement beautiful UI components to support business requirements.
• Follows approved life cycle methodologies, creates design documents, and performs program coding and testing.
• Resolves technical issues through debugging, research, and investigation.
• Own & Develop the REST APIs.
• Stay updated with new technologies and of changes in technologies that affect front-end web development.

We are now looking for,

Senior SW Developer – IoT Platform Development

to join the team of experts at the KONE Services & Solutions R&D. You will work together with other professionals to develop advanced KONE digital solutions that leverage the latest in cloud and connectivity technologies.

You are a cloud development expert who is passionate about designing and implementing solutions for our connectivity solutions. You are familiar with the software development patterns and can turn the architectural plans to concrete SW designs. You understand and appreciate the modern SW development practices. You work at your best when you are working with people, and you enjoy helping others.

You will work in a key role inside our Agile SW development team. Your closest colleagues will be other developers, test professionals and the PO of the team. You will be part of KONE Technology and Innovation unit’s IoT Tribe.

Main responsibilities include,

• Producing more efficient software designs for new features in our IoT platform tribe
• Developing clean and efficient code based on the specifications.
• Unit and Integration Testing for the developed code and integrate with code coverage tools.
• Verify and deploy programs and systems
• Recommend and execute improvement for the existing offerings from the IoT platform.
• Create technical documentation for reference and reporting.
• Participating in knowledge sharing and demos

To be successful in this role,

• Having a degree in Computer Science or equivalent with minimum 5+ years of relevant working experience.
• More than 3 years proven experience in developing high volume scalable cloud solutions utilizing platforms like Amazon AWS with IoT domain.
• Having hands on development experience with Java, Node JS and TypeScript.
• Experience working with MVC, WEB API, RESTful services with IoT domain

• Team player with capabilities to take the lead and develop own competencies around the core knowledge is a must.
• Understanding of React JS is an added advantage.

• Strong experience with Serverless Cloud Compute Services with AWS or Azure

• Experience in working with AWS platform and its core services like Lambda, CloudWatch, CloudFormation, CDK, SQS, S3 etc., or its equivalent Azure services
• Understanding of Serverless design, network security, cloud design patterns, high availability and secure systems.

• Hands on experience with both SQL and No-SQL databases.
• Experience on DevOps ways of working with good understanding on CI/CD

passion for building and delivering great software with a strong sense of ownership.

• 4+ years of experience in building web applications using React, Node.js, GraphQL integrations with NoSQL or relational database systems.
• Working experience in building and deployment applications on AWS platform a plus.
• Working experience on docker and microservice a plus.
• Strong experience with Build and Release, Agile processes and Estimation/Planning
• Must have strong debugging and troubleshooting skills, with solid understanding of logging and exception handling. 

• Think like a product owner
• Design and build new products and manage their delivery
• Drive culture, learning, and development of team members and of the larger org
• Mentor, motivate & ensure delivery from a small team
• Take ownership and get the job done
• Ensure the quality of deliverables

• 4-7 years of hands-on experience in the design and development of applications using NodeJs, ReactJs, MySQL, etc.
• Good architectural and design skills
• Strong coding, data structures, and algorithms
• An engineering degree preferably, from a top-tier school (or an equivalent experience)
• Proficient understanding of code versioning tools, such as Git/SVN
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Experience in Elastic Search/ Solr/ Amazon AWS
• Experience building sites to function cross-platform and cross-browser
• The ability to own end-to-end responsibility
• The role will give you an opportunity to work with a cross-functional team from Business, Product, and Design, and lead a team of 4-7 rockstar engineers.

• A team of aces, from top-tier schools and startups, to work with
• A fast-paced, data-driven, and fun work environment
• A huge appetite for new, disruptive, creative, and implementable ideas
• An open work culture

• Competitive salary
• A great working environment with an opportunity to work directly with the founders on very exciting real-life problems
• Opportunity to grow really fast.
• Opportunity to hire a team & mentor them.
• ESOPs

• Java / Java Script code development using frameworks like Spring, Hibernate , Rest web services,  AWS services.
• · Dev-Ops activities using Maven, Eclipse and other tools
• · Contribute to providing estimates for implementation of new requirements and work diligently towards delivering within the estimates
• · Ensure Quality of the releases by adhering to SDLC best-practices such as, unit tests,continuous integration, system testing
• · Re-use code. Ensure delivered code is modular and extensible
• · Ensure adequate coverage of functional and non-functional requirements in test plans Position Requirements
• · 3-5+ years of hands on experience in Java/J2EE development. Experience with the implementation of a distributed, enterprise JAVA/J2EE solution is strongly preferred
• · Experience in JAVA/J2EE Frameworks such as Spring, hibernate is strongly preferred
• · Experience in SOA and SOA related technologies, solutions and products as well as experience with implementation of REST full web services is preferred
• · Experience with data modelling and experience with relational databases like MySQL, SQL Server or Oracle is desirable
• · Mobile application development experience on Android or iOS is desirable