Fullstack Developer

Job Overview: We are looking for a highly skilled and experienced Node.js Developer to join our team. The ideal candidate will have over 5 years of experience in developing scalable, high-performance backend applications using Node.js and related technologies. You will work closely with cross-functional teams to design, develop, and deploy robust solutions.

Key Responsibilities:

· Develop, maintain, and optimize server-side applications using VueJs, Node.js and Express.js.

· Design and implement scalable RESTful APIs and GraphQL APIs.

· Work with databases such as MongoDB, PostgreSQL, or MySQL.

· Ensure the security, performance, and responsiveness of applications.

· Collaborate with front-end developers, UX designers, and product managers.

· Implement automated testing and continuous integration.

· Debug and optimize existing code for performance improvements.

·  Stay updated with the latest trends and best practices in Node.js development.

Required Skills & Qualifications:

· 5+ years of experience in backend development using Node.js.

· Proficiency in JavaScript & TypeScript.

· Strong knowledge of Express.js, Nest.js, or similar frameworks.

· Experience with microservices architecture and cloud platforms (AWS, Azure, GCP).

· Expertise in database technologies such as MongoDB, PostgreSQL, or MySQL.

· Familiarity with Docker, Kubernetes, and CI/CD pipelines.

· Experience with authentication and security best practices (JWT, OAuth, etc.).

· Strong debugging and performance optimization skills.

·  Ability to work in an agile environment and collaborate with cross-functional teams.

Preferred Qualifications:

· Experience with message queues (RabbitMQ, Kafka, etc.).

· Knowledge of DevOps practices and infrastructure as code (Terraform, Ansible).

· Familiarity with front-end technologies such as VueJs or React.

· Contributions to open-source projects or a strong GitHub portfolio.

Responsibilities:

• Develop and maintain scalable web applications using the MERN stack.
• Design and implement responsive user interfaces with React.
• Build server-side logic using Node.js and Express.js.
• Manage and optimize databases using MongoDB.
• Integrate third-party services and APIs.
• Write clean, maintainable, and efficient code.
• Collaborate with front-end and back-end teams to ensure smooth development processes.

Position Overview

We are seeking a highly skilled React Native Developer with a strong background in the MERN (MongoDB, Express.js, React.js, Node.js) stack to join our dynamic team. The ideal candidate will have a minimum of 2 years of professional experience and a proven track record of developing robust, scalable mobile applications using React Native. This role offers an exciting opportunity to work on innovative projects and significantly contribute to the growth and success of our startup.

Key Responsibilities

●     Develop High-Quality Mobile Applications: Create user-friendly mobile applications using React Native, ensuring high performance and responsiveness.

●     Collaborate with Cross-Functional Teams: Work closely with product managers, designers, and other developers to define, design, and deliver new features.

●     Maintain Clean and Efficient Code: Write clean, maintainable, and efficient code following industry best practices and coding standards.

●     Optimize Application Performance: Enhance application performance for speed and scalability.

●     Participate in Code Reviews: Engage in code reviews, discussions, and knowledge-sharing sessions to improve team output and code quality.

●     Troubleshoot and Debug: Identify and resolve application issues to ensure smooth functionality.

●     Stay Updated with Trends: Keep abreast of emerging technologies and trends in mobile development to incorporate best practices.

Requirements

●     MERN Stack Proficiency: Strong expertise in MongoDB, Express.js, React.js, and Node.js.

●     RESTful APIs and Web Services: Solid understanding and experience in integrating RESTful APIs and web services.

●     Version Control Systems: Proficient with Git for version control.

●     Mobile UI/UX Design Principles: Knowledge of best practices in mobile UI/UX design.

●     Problem-Solving Skills: Excellent analytical and problem-solving abilities.

●     Team and Independent Work: Ability to work both independently and as part of a team in a fast-paced startup environment.

●     Communication and Collaboration: Strong verbal and written communication skills, with the ability to collaborate effectively with team members.

Nice to Have

●     GraphQL: Familiarity with GraphQL for efficient data fetching.

●     Cloud Services: Knowledge of cloud services such as AWS or Firebase.

• Web application development experience in HTML5, CSS3, Javascript (including new ES features), Python
• Hands-on experience in any one of the python-based backend frameworks like Django or Flask or Pyramid along with end to end testing
• Hands-on experience in building high performant React applications
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript libraries and their practical uses in building complex interactive experiences
• Hands-on experience working with TDD in JS with the help of frameworks like Mocha, Chai, Jest, Enzyme, React Testing Library etc.
• In depth knowledge of SQL is a must. SQL Technologies that are desired are MySQL, PostGres, Oracle
• Experience in state management libraries like Redux and MobX
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Familiarity with various component libraries and design systems
• Proficient in using media queries and CSS frameworks like bootstrap or foundation for implementing responsive web design patterns in the applications
• Knowledge of common JavaScript design patterns
• Experience in owning Code Quality and Code Review processes
• Experience on Node.js is an advantage
• Work "in the trenches" with junior developers to implement large features that wow our clients
• Partner with Managers, Business Analysts, and test analysts to develop realistic implementation plans with a focus on quality, sustainability, and delivering value to our clients
• Stand up for coding best practices that ensure quality products: automated testing, unit testing, agile development, continuous integration, code reviews, and technical design
• Improve technical skills of self and the team
• Research industry trends and web technologies, and promote adoption of best-in-class web tools and technologies
• Understand client business issues and actively participate in designing solutions and features that meet client needs
• Take initiative to advance the quality, responsiveness, architecture, or design of our solution, if you want to make it happen you can.
• Excellent organizational and task management skills
• Strong oral and written communication skills
• Ability to work in global cross-office teams
• Fluency in English is required

SellerGeni is an early-stage VC Funded SAAS Product in the Ecommerce Growth space. Our products GrowZ and SmartPlug enable sellers on Amazon to grow their sales and improve the quality of their listings through automated tools. Our vision is to simplify Growth across all ecommerce channels. We make traffic generation as simple as launching a Shopify website. You will be working closely with key stakeholders across the organization and leading a team of motivated engineers and professionals trying to change the status quo in online business growth. Join us if you love solving real-world problems with technically robust solutions.

Open to SDE-2, SDE-3, FSE & SWE.

What you will be doing

• Write test-driven code for Client and Server side application
• Creating functional codes that implement product requirements
• Participating in the design and creation of scalable software
• Testing and fixing bugs and/or other coding issues
• Take ownership of code, tasks and system architecture
• Brainstorming to scale the system for millions of users
• Mentoring juniors and champion the Agile Development Practices

What you need to have

• Knowledge of Javascript back-end languages & frameworks (e.g NodeJS, ExpressJS, GraphQL, TypeScript etc)
• Knowledge of Javascript front-end frameworks (e.g.NextJS, ReactJS, Angular etc)
• Experience in SQL/NoSQL databases (e.g. MongoDB, MySQL, DynamoDB, etc)
• Experience in building and maintaining large-scale production (e.g Redis, Jobs, Queue, Async sockets, etc)
• Knowledge of modern javascript libraries (e.g JWT, Webpack, Browserify, jQuery, Bootstrap, Semantic etc)
• Decent understanding of networking technologies (e.g TCP, HTTP, websockets, server-sent events, etc)
• Excellent communication and teamwork skills
• Good understanding of System design, architecture and Web Security
• Knowledge of version control software like Git, Github, BitBucket

Nice to have

• GSoC (or) Open Source contributions
• Prior startup (or) SAAS product experience
• Experience with building B2B products
• Amazon SP-API, MWS and advertising API
• Consumer Web Development Experience for High-Traffic, queue based applications
• Software security and SDLC
• UI/UX Product design & decision
• Experience in development workflow integrations (e.g CI/CD, Docker, Kube, pods, etc)
• Experience in building REST APIs, server-side architecture
• Decent understanding of Cloud & DevSecOps (e.g ECS ELB, SSM, SQS, Lambda, Kafka etc)

Benefits

• Competitive Salary & Equity
• MacBook Pro
• Flexible Work Timings
• Work With Experienced Team (Ex Amazon, Paytm, Oracle & GSoCers)

Total Experience : 2-6 years Relevant Experience: 2-3+ years

• You will create REST/GraphQL based web services and APIs for consumption by mobile and web for distributed B2B platform 
• You will code, test and operate Nodejs based services
• You willI implement new features in a highly collaborative environment with product managers, UI/UX experts, and fellow engineers
• You will contribute to a future-ready, high quality, and performance code base
• You will share your technical solutions and product ideas with the team
• You will mentor other engineering team members
• You will contribute to team and organizational improvements in process and infrastructure
• You will be part of a truly global team
• You will work in an exciting startup environment where you can be autonomous and try new things :)

• You have experience in backend development, using languages like Node.JS and Golang
• You have used TypeScript extensions
• You are familiar with NoSQL databases such as MongoDB or CouchDB, Web services, SOA patterns
• You have good working knowledge of design patterns, building and deploying microservices on the cloud
• You have hands on experience with REST APIs or GraphQL
• You have experience with Test Driven Development and know when to apply it
• You have knowledge of web libraries and frameworks such as ReactJS/VueJS, AngularJS, and Clojure
• You have experience working on AWS or other cloud stacks and Docker 
• You have experience building / consuming OpenAPI and GraphQL specifications
• You have experience building microservices systems and testing them
• You have experience building systems with high data protection requirements, anonymous data and data encryption

• You have worked with Blockchain technology
• You have domain expertise working with decentralised identity solutions 
• You have experience of building systems that require cryptography

Here is the interview process for this role: 

• 30m interview with one of our Talent Team or Recruitment Partners
• 1h interview with our Engineers
• 1.5h pairing interview with one of our Engineers
• 3hs final interview meeting a variety of people including our CTO, Leads and other Engineers 

We can be flexible with the structure if someone's circumstances or timescales require it for good reason, just let us know! 

Please reach out if you have any specific requirements so we can be as accommodating as possible for you.

Skills & Qualifications

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. PHP, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Knowledge of AWS Cloud (EC2,S3,Lambda,SES) 
• Familiarity with databases (e.g. MySQL, DynamoDB, MongoDB), web servers (e.g. Apache, Nginx, Tomcat) and UI/UX design
  Knowledge of code versioning tools (such as Git, SVN).
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, or relevant field

• Benefits
• Being part of a startup that’s turning out to be a game-changer, you will be blessed with:
• Freedom to try new things.
• 2 Saturday’s off.
• Dress code – Casual.
• Take-it-when-you-need-it vacation.
• No. of working days:- 05