Required experience and skills
- Bachelors degree in Computer Science and Engineering. Bonus: Masters degree.
- 3+ years of total full-time work experience, preferably shipping SaaS applications.
- Startup experience strongly desired and comfortable wearing multiple hats.
- Proficiency in
- 1. Ruby, Ruby on Rails, Mysql, Linux, Git, AWS, CI/CD, NewRelic.
- 2. broad range of internet technologies and applications.
- Knowledge of frontend technologies and frontend development experience is prized and a plus. We use React and React Native for our web app and mobile apps respectively.
- Keep high quality performance, scalability, availability & security in mind to build, extend, and maintain web front end, mobile, and backend components of an evolving, real-time application
- Write bug free clean, elegant, testable code that scales well, and is delivered on time.
- Very curious and self driven.
Responsibilities
Your responsibilities include:
-
- Completing moderately complex projects containing some ambiguity with minimal oversight
- Troubleshooting and resolve most common production issues without assistance; being able to determine basic troubleshooting steps for uncommon production issues and occasionally contributes to on-call runbook
- Removing most blockers individually and proactively escalate or seek assistance to become unblocked quickly
About Tophatter
Tophatter is re-imagining discovery commerce in a world increasingly connected by smartphones. We are the world's fastest, most entertaining marketplace for mobile shoppers.

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Job Description:
We are looking for a skilled and motivated Full Stack Developer with 2–6 years of experience in designing and developing scalable web applications using .NET Core, C#, ReactJS, and MS SQL, with exposure to Microsoft Azure. The ideal candidate should be comfortable working across the full technology stack and demonstrate strong problem-solving abilities in a fast-paced, Agile environment.
Key Responsibilities:
- Design, develop, and maintain robust full stack applications using .NET Core, C#, ReactJS, and MS SQL.
- Build and consume RESTful APIs to support scalable frontend/backend integration.
- Collaborate with product owners, architects, and other developers to deliver high-quality software solutions.
- Participate in code reviews, ensure adherence to best coding practices, and contribute to continuous improvement.
- Write unit and integration tests to maintain code quality and ensure high test coverage.
- Deploy and manage applications in Microsoft Azure and contribute to improving CI/CD pipelines.
- Actively participate in Agile ceremonies such as sprint planning, stand-ups, and retrospectives.
- Troubleshoot and resolve technical issues and performance bottlenecks.
Required Skills:
- 2–6 years of hands-on experience with .NET Core and C# development.
- Proficient in ReactJS and modern front-end technologies (HTML5, CSS3, JavaScript/TypeScript).
- Experience in building and integrating RESTful APIs.
- Solid understanding of object-oriented programming, data structures, and software design principles.
- Experience working with MS SQL Server, including writing complex queries and stored procedures.
- Familiarity with Azure services such as App Services, Azure SQL, Azure Functions, etc.
Preferred Skills:
- Exposure to DevOps practices and tools such as Azure DevOps, Git, and CI/CD pipelines.
- Basic understanding of containerization (e.g., Docker) and orchestration tools like Kubernetes (K8s).
- Prior experience working in Agile/Scrum teams.
- Good communication skills and ability to work collaboratively in a cross-functional team.
Senior Software Developer (AI integration)
Role Overview
We are looking for a Senior Full-Stack Engineer to drive the development, integration, and scaling of our eCommerce applications. This is a hands-on coding role requiring deep expertise in full-stack ecosystems (Laravel + React), proven track record of integrating and deploying AI models/workflows. Strong eCommerce domain knowledge (Shopify and/or Magento 2) would be a plus.
As our product suite heavily prioritizes AI-driven features, you will be the core technical driver responsible for building smart workflows, setting up local LLMs, and bridging the gap between modern AI capabilities and robust web applications.
Work Location: Remote (Open to talent across India; office is based in Indore).
Required Technical Skills:
AI & LLM Integration (Mandatory)
- LLM Implementation: Hands-on experience setting up, fine-tuning, or self-hosting local LLMs (e.g., via Llama, Mistral, Ollama) and utilizing cloud AI APIs (OpenAI, Anthropic, etc.).
- AI Frameworks & Workflows: Experience building custom agentic workflows, prompt engineering pipelines, or using orchestration frameworks (LangChain, LlamaIndex, or JS/PHP equivalents)..
- Vector Databases: Familiarity with embeddings and vector search (e.g., Pinecone, Milvus, Chroma, or pgvector).
Core Full-Stack
- PHP (expert level)
- Laravel (architecture-level understanding: queues, jobs, service layer)
- React.js (SPA, state management, performance optimization)
- HTML, CSS, JavaScript (ES6+)
- GraphQL & REST API design
- Node.js (real-time systems like Socket.io)
Database & Systems
- MySQL/PostgreSQL (schema design, optimization)
- Caching: Redis
- Queue systems: RabbitMQ / similar
Architecture Knowledge
- Microservices & event-driven architecture
- API-first and headless systems
- Scalability & distributed systems
E-commerce Domain
- Shopify: Deep understanding of Shopify APIs, App ecosystem, and headless commerce.
- Magento 2: Practical understanding of Magento's architecture, module system, and GraphQL (hands-on customization experience is highly valued).
Note: Preference will be given to candidates with experience in any of the two platforms, but we are open to consider candidates who do not have direct exposure to these platforms if they have exceptional track record with AI implementations.
Good to Have
- Experience with Python (often useful for AI/data manipulation scripts).
- Cloud Infrastructure (AWS / DigitalOcean, Cloudflare).
- Familiarity with CI/CD tools and containerization (Docker).
Roles & Responsibilities:
- Hands-on Development: Write clean, maintainable, and highly efficient code across the backend (Laravel) and frontend (React).
- AI Feature Engineering: Own the end-to-end implementation of AI capabilities—from setting up local LLM instances to writing the integration logic that connects AI flows to our eCommerce systems, with a strong focus on optimizing token streaming processing and reducing execution latency
- Feature Ownership: Take high-level product requirements and transform them into concrete technical solutions, ensuring scalable code architecture.
- System Performance: Optimize application speed and reliability, utilizing caching (Redis) and async processing to ensure seamless user experiences.
- Security & Infrastructure: Implement secure coding practices, manage API rate-limiting, and collaborate on Docker/CI/CD pipelines.
- Technical Mentorship: Review code, champion best practices, and help upskill mid-level developers on the team.
- Team Collaboration: Work closely with product, design, and engineering teams. Act as technical decision owner.

Job Title: Tech Lead – Full Stack
Location: MG Road, Bangalore
Work Mode: Hybrid
Interview Mode: Virtual
Experience Required: 7–12 Years
Role Overview
We are looking for a Tech Lead – Full Stack with 7 to 12 years of experience in developing scalable SaaS products using Java, Spring Boot, and JavaScript frameworks. The ideal candidate has hands-on experience with microservices architecture, performance optimization, and cloud-native development, and is passionate about mentoring teams and driving engineering best practices.
Key Skills & Expertise
- Proficient in building scalable SaaS products with a focus on microservices architecture.
- Technologies: Java (Mandatory), Spring Boot, ReactJS or any other JavaScript framework.
- Strong experience in designing RESTful APIs and using mocking frameworks.
- Skilled in profiling services and debugging performance issues.
- Knowledge of Docker and Kubernetes for containerization.
- Familiar with data integration tools such as Pentaho Kettle or Apache Nifi.
- Ability to influence technical decision-making, with a strong focus on automation and security best practices.
What You Will Do
- Design, implement, test, and deploy both front-end and back-end components of the product.
- Build and deliver highly scalable services using Spring Boot.
- Develop frameworks and accelerators to speed up development.
- Establish and enforce engineering best practices.
- Create and review design artifacts using UML for team-wide implementation.
- Mentor and guide product engineers within the team.
- Ensure on-time delivery of user stories planned for sprints.
- Engage in all stages of the product development lifecycle – from planning and design to implementation and testing in multi-cloud environments.
- Deliver robust, quality-focused technical solutions to business problems.
- Work alongside a talented team solving complex technical challenges in building large-scale SaaS products.
- Contribute from the ground up to the architecture and modularization of the product for long-term scalability and maintainability.
- Share knowledge and expertise by writing blogs, articles, and whitepapers.
Technical Requirements
- Design and implement microservices architectures using Java and Spring Boot.
- Create, manage, and secure RESTful APIs.
- Collaborate with cross-functional teams in an Agile setting to ensure high-quality delivery.
- Mentor and support junior developers on the team.
- Experience with cloud platforms such as Azure or GCP, and orchestration tools like Docker and Kubernetes.
- Strong database skills in PostgreSQL.
- Exposure to:
- API Gateway
- Hibernate & JPA
- Transaction Management
- ACID Properties
- Multithreading & Context Switching
- Healthcare domain experience is a plus.
We're seeking an experienced Senior Tech Lead to oversee both frontend and backend teams for a production-ready enterprise project. You should possess strong managerial skills along with an entrepreneurial mindset. In this dynamic role, you'll collaborate with cross-functional teams to design, build, and deploy products aligned with our vision and strategy. Your leadership will be key in driving product success from conception to launch, ensuring they meet business objectives and user expectations.
Experience: 7+ Year
Working Time: 12.30 PM to 9.30 PM
Responsibilities:
- Lead and mentor developers: Provide guidance and support to ensure high-quality deliverables and drive engineering best practices. Experienced in leading development teams, fostering collaboration, and mentoring junior engineers for adherence to best practices.
- Collaborate with cross-functional teams: Define project requirements, timelines, and priorities, and coordinate product releases.
- Architect scalable solutions: Design systems for both frontend and backend that are maintainable using modern architecture patterns and RESTful API design principles.
- Project Management Skills: Proficient in Agile methodologies, managing timelines, and prioritizing tasks effectively to ensure project success.
- Define product features: Set sprint goals and translate user feedback into actionable enhancements.
- Problem-Solving Skills: Analytical problem-solver adept at addressing technical challenges and implementing practical solutions.
- Analyze data: Validate product goals and adapt strategies accordingly, and track project progress to ensure timely delivery of features.
- Test and accept product features: Ensure accurate implementation of product features based on user stories.
Requirements
- Bachelor's / Master’s degree in Computer Science or related field.
- Minimum of 3 years of experience in a leadership role.
- Nice to have: Experience in building a product from concept to launch.
- Excellent communication and interpersonal skills, with the ability to collaborate effectively across teams.
- Strong proficiency in NodeJS, RESTful APIs, Weaviate Vector Database, and graph databases.
- Proficient in NestJS with full lifecycle experience and expertise in MongoDB integration.
- Proficient in MongoDB, with expertise in NoSQL principles, instance management, data modeling, and efficient query optimization for cloud and on-premise environments.
- Strong proficiency in ReactJS, NextJS, MaterialUI, and React Query.
- Proficient in TypeScript development, skilled in building type-safe applications and leveraging TypeScript configurations for enhanced development efficiency.
- Proficient in AWS services, specializing in Lambda for serverless computing, API,Gateway for secure API management, and integration with IAM, S3, and CloudWatch.
- Knowledge of CI/CD principles and tools to automate the testing and deployment of applications.
Benefits
- Gain real-world experience in corporate functioning.
- Learn to collaborate with diverse teams and meet deadlines in a professional environment.
- Access various learning and development programs to explore your passion.
- Work in a fast-paced, rapidly expanding tech team undergoing a revamp, with exposure to advanced technology and tools relevant to your role
Responsibilities:
- Writing and reviewing great quality code.
- Understanding functional requirements thoroughly and analysing the client's needs in the context of the project.
- Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns and frameworks to realize it.
- Determining and implementing design methodologies and tool sets.
- Enabling application development by coordinating requirements, schedules, and activities.
- Being able to lead/support UAT and production roll outs.
- Creating, understanding and validating WBS and estimated effort for given module/task, and being able to justify it.
- Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement.
- Giving constructive feedback to the team members and setting clear expectations.
- Helping the team in troubleshooting and resolving of complex bugs.
- Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
- Carrying out POCs to make sure that suggested design/technologies meet the requirements.
- Passionate about building great solutions.
- Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
- Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.
- Relevant expertise in C#, . Net framework/. Net core, Web Services/WCF/Web API, ASP. Net/MVC. JavaScript, OO JavaScript (ES6 onwards), HTML5/CSS, Angular/React/VueJS, OOA and OOD Concepts, Serverside JS: NodeJS/Express.
- Experience in Relational Database: SQL Server/MySQL/Oracle, Cloud Platform: Amazon/Azure/Google Cloud.
- Experience in Testing Frameworks (Web): MSTest/NUnit/Jasmine/Karma/Mocha, Repositories: Git/SVN/TFS, CI/CD Tools: Jenkins/Grunt/Gitlab/Azure DevOps, Container Ecosystem: Docker/Kubernetes/Anthos.
- NoSQL DB: MongoDB/Cassandra/CouchDB/HBase/MarkLogic, Cloud Database: CosmosDB/ IBM DB2/SAP HANA/Amazon Aurora/DynamoDB.
- Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
- Fundamental knowledge of design patterns.
- Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
- Languages: C#, JavaScript, OO JavaScript (ES6 onwards).
- App Framework: . Net Framework/. Net Core.
- Web Framework: ASP. Net/MVC.
- Markups: HTML5/CSS.
- CSS Framework: Bootstrap/Foundation/Bulma.
- Frontend Framework: Angular 6 ( ) /React/VueJS.
- API Framework: WebServices/WCF/WebAPI.
- Relational Database: SQL Server/MySQL/Oracle.
- Cloud Platform: Amazon/Azure/Google Cloud.
- Testing Frameworks (Web): MSTest/NUnit/Jasmine/Karma/Mocha.
- Repositories: Git/SVN/TFS.
We need multiple MERN stack developers. As a full stack developer, you will be producing scalable software solutions and will be involved in the full software development life cycle, from conception to deployment. You should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. This isn't just another CRUD application. Your challenge will be to deliver a highly-available service on top of a dynamic collection of third-party data sources . Explore the limits of your own resourcefulness by designing human and automated systems that deliver true reliability in an otherwise unpredictable environment.
Tech-Stack: React, Node.js, Javascript, and MongoDB
How You Will Contribute
- Work with the development team to ideate software solutions
- Working through the application development lifecycle to launch
- Conceptualizing, creating and building applications alongside taking designer wireframes and magically turning them into effective code
- Designing user-based interactions through effective front-end architecture
- Develop and manage well-functioning databases and back end applications
- Write effective and scalable APIs
- Leading and developing best practices for Full Stack Developer team
- Developing and designing RESTful services and APIs
- Determining application responsiveness for consumers
- Ensuring company mandate is effectively addressed in technical and developmental aspects
- Create security and data protection settings
- Write technical documentation
- Keeping current with industry trends and developments that can be applied to company needs
Technical Expertise That We Believe Will Make You Successful In This Role
- Min 1 year of experience as a MERN Stack Developer
- Fluency in CSS, JavaScript and HTML
- Understanding of CSS preprocessors including Sass
- Strong knowledge of building effective APIs in Node.js (Express)
- Proficiency in writing effective React components.
- Experience working with MongoDB, Redis and AWS
- Good knowledge of data structures, system design and algorithms
- Bachelor/Master degree in Computer Science
- Soft-Skills That Will Come Handy
- Having a knack for visual design and utility
- Excellent written and verbal communication skills
- Strong attention to detail
- Head for problem-solving
- Having a flexible working style
- Being a team player
- Comfortable with working unsupervised
What We Need
- Solid industry experience
- Web Development using MERN Technologies (Mongo, React / React JS, Express JS or similar, Node)
- Server-side scripting skills with Node.JS
- Good understanding of client-side scripting and JavaScript frameworks, including jQuery.
- Databases - MongoDB, PostGreSQL, Cassandra
Good to Have
- Open Source Contributors (esp. Javascript to be evident from GitHub)
- Notice period to be less than 30 days
Role and Responsibilities:
- Regularly interact with end-users to understand how your systems can serve them better
- Partner with the business analysis team to dive deep on the metrics you are reporting on
- Propose, design and test applications to ensure data quality and systems reliability
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Integration of user-facing elements developed by front-end developers with server side logic
- Implementation of security and data protection
- Integration of data storage solutions postgres, redis
- Implementation and maintenance of admin panel
Skills Required:
- Hands-on experience and knowledge of working on programming languages such as Javascript, MongoDB Node.Js and Express.Js at least 3 years in a SaaS company.
- Should have working knowledge of MongoDB
- Should have working knowledge of Enterprise application integration using Web services, MSMQs, APIs etc
- Should have good hands-on knowledge of Web server deployments and server configurations
- Should have ability to mentor junior developers through the product design, planning, development, implementation, and product testing and quality analysis.
We believe that learning should be fun - especially for young kids who are our future. We build smartphone and tablet based games, which delight kids, while they learn and practice Math.
Who Do We Hire?
At Makkajai, we hire the best minds in technology to innovate, build and break things so that kids could have the best learning experience possible.
Our challenges are big - impacting millions of kids worldwide and our path is not always easy. We’re selective about who joins us on this journey. There’s a certain kind of person who takes on the challenges of game development at Makkajai:
Someone excited by the idea of owning;
People who like to build new products, features and services from scratch,
Developers who can manage the ambiguity and pace of a company whose ship cycles are measured in days, not months.
Full Stack Developer, Pune
Exp Range: 2-4 Years
We are looking for smart and driven Full Stack Developers to join our team in Pune. The work involves -
Building learning games (using Unity).
Maintaining and enhancing existing suite of learning games.
Designing and writing code in any Object Oriented programming language - writing cross-platform code that works on multiple device formats
Iterative development and playtesting with kids
Constant self learning to improve skills
Work closely with other team members - pedagogy experts, game designers, testers, marketing - to ensure that the products we build are a success.
Must Haves
Good understanding of CS fundamentals, OOPS, data structures and algorithms
Strong programming skills in any of the OOP languages.
Good knowledge of SQL and at least one database
Should be familiar with basic design patterns and other coding standards and other good practices.
Practical coding experience
Excellent problem solving skills
Working knowledge of MAC, UNIX or Linux systems
Very good interpersonal and communication skills
Good To Haves
Exposure to C++/C#/Java and Objective C.
Exposure to Unity.
Any game-making experience
Any mobile app development experience.
Open to learning new programming languages and frameworks









