Sr Full Stack Developer MERN/PERN

Position Name : Senior Software Architect

📍 Location : UB City, Bengaluru (Hybrid – 3 days in office)

🕒 Experience : 11 to 18 Years

📅 Notice Period : Immediate to 1 month

👥 Open Positions : 2

Role Overview :

• We are looking for a Senior Software Architect to design, build, and scale high-performance SaaS B2B applications.
• The ideal candidate will have deep expertise in MERN stack (MongoDB, Express.js, React.js, Node.js), AWS, and microservices-based architectures.
• This role requires at least 3 Years of experience in an Architect position, with a strong background in building scalable products and handling daily releases.

Key Responsibilities :

• Architect and develop scalable SaaS B2B products using React, Node.js, GraphQL, Elasticsearch, and Micro Frontend Architecture (MFE).
• Design and implement microservices-based distributed systems and RESTful APIs.
• Optimize frontend interfaces using React, Redux, Next.js, HTML, and CSS.
• Develop robust backend APIs using Node.js, Express.js, and MongoDB/PostgreSQL.
• Utilize AWS services (EC2, S3, SQS, SNS, DocumentDB, OpenSearch) and containerization (Docker, Kubernetes).
• Implement scalable database schemas and ensure optimal performance.
• Work with GraphQL for efficient data querying and manipulation.
• Ensure security, reliability, and high availability of the platform.
• Lead and mentor development teams, conduct code reviews, and enforce best practices.
• Collaborate with cross-functional teams to deliver business-driven software solutions.

Required Skills & Experience :

✅ 3+ Years as a Software Architect and currently in an Architect role.

✅ 5+ Years of experience in full-stack development with the MERN Stack.

✅ Strong knowledge of scalable architectures, microservices, and cloud-native SaaS products.

✅ Experience in AWS deployment, cloud infrastructure, and DevOps.

✅ Hands-on experience with Micro Frontends (MFE).

✅ Experience in handling everyday releases and working in Agile environments.

✅ Strong problem-solving skills, logical thinking, and architectural decision-making.

✅ Bachelor’s or Master’s degree in Computer Science or related field.

Preferred :

• Experience in B2B SaaS product development.
• Background in product-based companies.
• No prior experience in Walmart or similar large enterprises.
• Candidates should be based in Bengaluru (Outstation candidates will not be processed).

We are looking for a talented Full Stack Developer with strong hands-on experience in Node.js and either Angular, React, or Next.js. The ideal candidate should have experience working with microservices, fintech/banking products, queuing systems, and scalable architectures. This role requires excellent problem-solving skills, strong coding fundamentals, and the ability to work in a fast-paced, product-focused environment.

Key Responsibilities

• Develop scalable, secure, and high-performance full-stack applications using Node.js and Angular/React/Next.js.
• Design, build, and maintain microservices-based architectures.
• Work with large datasets and ensure efficient data processing, storage, and handling.
• Integrate and manage message queuing systems such as RabbitMQ, Google Pub/Sub, or other brokers.
• Collaborate with Product, UI/UX, QA, and DevOps teams to deliver high-quality product features.
• Build reusable front-end components and optimize applications for maximum speed.
• Implement RESTful APIs, backend services, and API integrations.
• Follow best coding practices, testing methodologies, and documentation standards.
• Troubleshoot and resolve issues related to backend, frontend, databases, and cloud deployments.
• Manage deployments and automate workflows using CI/CD pipelines.
• Ensure robust security practices in code, APIs, and database management.

Experience: -

* Minimum 2 year of coding experience in ReactJS (TypeScript), HTML, CSS-Pre-processors, or CSS-in-JS in creating Enterprise Applications with high performance for Responsive Web Applications.

* Minimum 2 year of coding experience in NodeJS, JavaScript & TypeScript and NoSQL Databases.

* Developing and implementing highly responsive user interface components using React concepts. (self-contained, reusable, and testable modules and components)

* Architecting and automating the build process for production, using task runners or scripts

* Knowledge of Data Structures for TypeScript.

* Monitoring and improving front-end performance.

* Banking or Retail domains knowledge is good to have.

* Hands on experience in performance tuning, debugging, monitoring.

Technical Skills: -

* Excellent knowledge developing scalable and highly available Restful APIs using NodeJS technologies

* Well versed with CI/CD principles, and actively involved in solving, troubleshooting issues in distributed services ecosystem

* Understanding of containerization, experienced in Dockers, Kubernetes.

* Exposed to API gateway integrations like 3Scale.

* Understanding of Single-Sign-on or token-based authentication (Rest, JWT, OAuth)

* Possess expert knowledge of task/message queues include but not limited to: AWS, Microsoft Azure, Pushpin and Kafka.

* Practical experience with GraphQL is good to have.

* Writing tested, idiomatic, and documented JavaScript, HTML and CSS

* Experiencing in Developing responsive web-based UI

* Have experience on Styled Components, Tailwind CSS, Material UI and other CSS-in-JS techniques

* Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system

* Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

* Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

* Documenting the code inline using JSDoc or other conventions

* Thorough understanding of React.js and its core principles

* Familiarity with modern front-end build pipelines and tools

* Experience with popular React.js workflows (such as Flux or Redux or ContextAPI or Data Structures)

* A knack for benchmarking and optimization

* Proficient with the latest versions of ECMAScript (JavaScript or TypeScript)

* Knowledge of React and common tools used in the wider React ecosystem, such as npm, yarn etc

* Familiarity with common programming tools such as RESTful APIs, TypeScript, version control software, and remote deployment tools, CI/CD tools

* An understanding of common programming paradigms and fundamental React principles, such as React components, hooks, and the React lifecycle

* Unit testing using Jest, Enzyme, Jasmine or equivalent framework

* Understanding of linter libraries (TSLINT, Prettier etc)

Functional Skills: -

* Experience in following best Coding, Security, Unit testing and Documentation standards and practices

* Experience in Agile methodology.

* Ensure quality of technical and application architecture and design of systems across the organization.

* Effectively research and benchmark technology against other best in class technologies.

Soft Skills: -

* Able to influence multiple teams on technical considerations, increasing their productivity and effectiveness, by sharing deep knowledge and experience.

* Self-motivator and self-starter, Ability to own and drive things without supervision and works collaboratively with the teams across the organization.

* Have excellent soft skills and interpersonal skills to interact and present the ideas to Senior and Executive management.

Summary:

The Learner Company is an education start-up that designs personalized learning experiences by integrating them with the best of what technology offers. We are currently building an online learning engine to host adaptive online courses, simulations, and multiplayer games for institutional partners. We are now in the software development stage of the project.

We are looking for a full-stack developer to join our development team. The developer will be responsible for the overall development and implementation of front and back-end software applications. Their responsibilities will extend from designing system architecture to high-level programming, performance testing, and systems integration.

We are looking for an individual who is optimistic about technology and people, is open to and excited by new ideas, and considers themselves a life-long learner.

Responsibilities:

• Meeting with the software development team to define the scope and scale of software projects.
• Designing software system architecture.
• Completing data structures and design patterns.
• Designing and implementing scalable web services, applications, and APIs.
• Developing and maintaining internal software tools.
• Writing low-level and high-level code.
• Troubleshooting and bug fixing.
• Identifying bottlenecks and improving software efficiency.
• Collaborating with the design team on developing micro-services.
• Writing technical documents.

Required Competencies:

• Bachelor’s degree in computer engineering or computer science.
• Previous experience as a full stack engineer.
• Advanced knowledge of front-end languages including HTML5, CSS, TypeScript, JavaScript, C++, JQuery, React.js and Next.js.
• Knowledge of relational database systems and SQL.
• Familiarity with AWS architecture and working knowledge of services like S3, SES, EC2, RDS and more.
• Proficient in back-end languages including Java, Python, Rails, Ruby, .NET, and PHP.
• Advanced troubleshooting skills.
• Familiarity with MS Word, Excel, PowerPoint, Notion, Veed.io, Linear, Intercom, Plateau, and Miro.
• A strong belief that a team as a whole is greater than the sum of its parts.
• Excellent leadership, communication, and organization skills
  
  

Experience Needed: 2+ Years

Location: Bengaluru

• Meeting with the software development team to define the scope and scale of software projects.
• Designing software system architecture.
• Completing data structures and design patterns.
• Designing and implementing scalable web services, applications, and APIs.
• Developing and maintaining internal software tools.
• Writing low-level and high-level code.
• Troubleshooting and bug fixing.
• Identifying bottlenecks and improving software efficiency.
• Collaborating with the design team on developing micro-services.
• Writing technical documents.

Job Brief

We are looking for a Full Stack Developer to produce scalable software solutions. You will be part of a cross-functional team that is responsible for the full software development life cycle, from conception to deployment.

Responsibilities:

• Work with development teams and product managers to ideate scalable software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Design, develop and manage well-functioning databases and applications
• Develop web applications implementing MVT architecture using Django web application frameworks
• Write effective APIs
• Manage the complete software development process from conception to deployment
• Maintaining and upgrading the software following deployment
• Should be able to visualize a proposed system and be able to build it
• Experience with Django, Flask, rest frameworks

• Work with server-side technologies including databases and MVC and MVT patterns
• Maintain version control system such as GIT
• Should know all the phases of SDLC from requirement gathering to support and maintenance.
•  

Requirements:

• 3-5 years proven experience as a Full Stack Developer
• Familiarity with common stacks
• Strong understanding of algorithms, data structures and system design
• Knowledge of LAMP and MEAN solution stacks
• Ability to develop front end website architecture and back-end website applications
• Knowledge of multiple front-end languages and libraries (HTML/ CSS, JavaScript, React, Angular, Vue, XML, jQuery and LESS)
• Knowledge of multiple back-end languages (C#, Java, Python) and JavaScript framework like Node.js
• Familiarity with databases (MySQL, SQL, MongoDB), web servers (Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science or relevant field

This person MUST have:

• BE Computer Science, MCA or equivalent
• Cloud app development experience
• Strong Django and ReactJS experience
• Advanced knowledge of Python and relational databases
• Understanding of APIs, pagination, searching, sorting 
• Experience with building, modifying and extending API endpoints (REST or

GraphQL) for data retrieval and persistence.

• Creating high performance UI etc.
• Experience with SQL and NOSQL databases

• Experience with the full software development life cycle, including requirements

collection, design, implementation, testing, and operational support.

• Experience with scrum or other agile software development methodology.
• Excellent verbal and written communication, teamwork, decision making and

influencing skills.

Experience:

• Min 3 year experience
• Not more than 15 year experience.
• Startup experience is a must. 

Location

• Remotely, anywhere in India

Timings:

• 40 hours a week but with 4 hours a day overlapping with client timezone.  Typically clients are in California PST Timezone.

Position:

• Full time/Direct
• We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
• We dont believe in locking in people with large notice periods.  You will stay here because you love the company.  We have only a 15 days notice period.

• 2+yrs of experience in Frontend Development
• 2yrs of experience in NodeJS Development
• AngularJS (v1.+) proficiency and web development experience using AngularJS
• Good hands on experience in HTML, CSS, JavaScript.
• Strong communication and problem-solving skills
• Desire to work in a fast-paced, results-driven agile environment with varied

Responsibilities:

• Use markup languages like HTML to create user-friendly web pages
  Develop the frontend and Backend of the Application
• Integration of the front-end and back-end aspects of the web application
• Constantly and consistently implementing new features and optimize existing ones from controller-level to UI Vigilantly and rapidly fix bugs

Note: Candidate will be working on developing applications using NodeJS