MERN Stack Developer

Required Qualifications:

• OOPS - In-depth understanding of Object Oriented Programming principles

• Solid - In-depth knowledge and practical knowledge of applying SOLID design principles

• Architectural Patterns - In-depth understanding of design patterns and have experience in designing and building complex architecture solutions

• React + Typescript - Extensive hands-on experience in React + Typescript, building high-performance complex frontends

• Unit testing - Ability to write Unit Testing using Jest framework

• Dotnet core webapi - Extensive hands-on experience in writing WebAPIs using dotnet core. Should have advanced knowledge on middlewares, auth flow, etc.

• C# - Solid knowledge on advanced C# language features like Lambda functions, Generics, etc.

• Entity Framework - Solid knowledge on Entity framework database first and code first approach

• Unit testing - Ability to write Unit Testing using popular mock frameworks and XUnit framework

• SQL - Advanced - Extensive hands-on experience in Microsoft SQL (DDL, DML, Aggregates, Functions, Stored proc, etc)

• Query Performance Tuning - Ability to understand query plans and tune compelx queries to improve performance

• Core services - Advanced knowledge and hands-on in building applications hosted in AWS using ECS containers, API Gateway, Lambda, Postgres/DynamoDb

• IAC - Hands-on experience in writing Teraform Scripting - CI/CD, Github pipelines

We are looking for a skilled Full Stack Developer with strong proficiency in TypeScript and JSonata to design, develop, and maintain scalable web applications. The ideal candidate should be comfortable working across both frontend and backend layers, with a focus on clean architecture, performance, and maintainability. Exposure to EDI or logistics domain will be an added advantage.

Key Responsibilities

• Develop and maintain end-to-end web applications using TypeScript
• Build and manage backend services using JSonata
• Design and implement RESTful APIs and integrate third-party services
• Work on frontend frameworks (as applicable) to deliver responsive UI/UX
• Collaborate with cross-functional teams including product, QA, and DevOps
• Ensure code quality through best practices, testing, and code reviews
• Optimize applications for performance, scalability, and security
• Participate in system design and architectural decisions

Required Skills

• Strong proficiency in TypeScript and modern JavaScript (ES6+)
• Hands-on experience with JSonata
• Solid understanding of full stack development principles
• Experience with REST APIs, microservices architecture
• Familiarity with databases (SQL/NoSQL)
• Version control using Git
• Good understanding of debugging and performance optimization

Good to Have

• Exposure to EDI (Electronic Data Interchange) systems
• Experience in Logistics / Supply Chain domain
• Familiarity with cloud platforms (AWS, Azure, or GCP)
• Experience with containerization (Docker, Kubernetes)
• Knowledge of CI/CD pipelines

About OJ Commerce: 

OJ Commerce is a fast-growing, profitable online retailer based in Florida, USA with a full-fledged India office based in Chennai driven by a sophisticated, data-driven system to run the operations with virtually no human intervention. We strive to be the best-in-class ecommerce company delivering exceptional value to customers by leveraging technology, innovation and brand-partnerships to provide a seamless & enjoyable shopping of high-quality products at the best prices to our customers.

Responsibilities:

Work with business-stakeholders to understand requirements, prototype, build and deploy it.

CRUD the backend code you own keeping maintenance, performance and security in mind.

Keep up breast of latest technologies and its ecosystem and adopt ones that aid safe product delivery at speed.

Automate the boring and mundane stuff for you prefer to be productive than being busy.

We are flat. Be responsible for professional growth of self and the team. 

• Tune application for performance.
• Take initiatives and manage change to work towards business goals at speed without compromising safety.
• Coach full-stack developers on backend skills.
• Provides problem resolution support, specific to application issues, identifies and resolves problems in application software, determines symptoms and ensures accurate problem definition

Develop functional, architectural and other documentation as required for productive functioning of teams.

• Be the brand ambassador for OJ Commerce by speaking at meetups, conferences, etc.
• We are fluid. Be ready for changing dynamics in responsibilities from time to time. Exciting isn't?
• Take the lead in digital transformation of legacy applications.

What you need to shine?

• You have the prior experience in modernising legacy applications.
• You are a passionate hands-on developer with deep experience in building enterprise grade software in Microsoft ASP.NET Core, ASP.NET MVC, Web API, SOA, Micro-Services and RESTful Services with knowledge of SQL Server database.
• You have the ability to see and work on the big picture (Application Architecture) and devilish details (Complex Code).
• Strong experience in developing web applications using C#, VB.Net, .NET, LINQ, Net Framework 4.0, MVC 3/4/5, ASP.NET Web API, .Net Core etc.
• You are Cloud savvy, preferably Google Cloud.
• You have rich experience in Object-Oriented Programming (OOP) with good knowledge of practical design-patterns and its applications.

Hands-on experience in building SOA or Micro-services preferably on .NET Core.

Proven Architectural skills with high standards in Code quality

Knowledge of ReactJS/Typescript would be added advantage.

Practical experience in Agile development methodologies of using CI/CD.

Extreme Programming (TDD) experience is sought after by us.

What we Offer

• Greenfield opportunity to transform legacy backend applications to latest technology stack.
• Fast-paced start-up environment: This is not for the faint hearted; you need grit and passion as much as you need the core skills.
• Work in an interdisciplinary team where learning from one another and developing solutions cross-functionally is a key part of our culture.
• Golden opportunity to make history by making big business impact.
• Competitive salary to take good care of self and family.
• Insurance Benefits: Medical and Accident cover.
• Flexible Working Hours

• Ship high-quality, well-tested, secure, scalable, extensible, and maintainable code as well as perform code review.
• Lead a team of highly efficient developers working on agile development practices including sprint planning.
• Apply design principles and patterns in creating enterprise-level solutions, as needed.
• Design products, services, and systems that are resilient to the iteration and change required by the needs of the business.
• Research new technologies and development methodologies to drive efficiency and improve customer experience.
• Coordinated with the US-led product and sales team to strategize and carry out the development of custom features and functionality requests.

• 3+ years of experience as a Full stack developer.
• Extensive experience working with NodeJS platforms.
• Expertise in building robust REST and GraphQL APIs.
• Hands-on experience with frameworks like ExpressJS, NextJS, and Fastify.
• Hands-on experience with SQL/NoSQL databases like PostgreSQL, MySQL and Redis.
• Hands-on experience in working with React-related libraries like Redux,
• MaterialUI and frameworks like NextJS.
• Strong hands-on experience with source code management systems like git.
• Working knowledge of WebSocket technologies.

• We offer the best market salaries for ideal candidates.
• Our culture is focused on talent development with semi-annually promotion cycles and company-sponsored certifications.
• The opportunity to work with and lead cutting-edge technologies.
• Opportunity to earn company stock options.
• Mediclaim hospitalization insurance for self, spouse, two children, and parents.

• Collaborate with internal teams and the Solution Architect to discuss software design and architecture and best practices.
• Learn & work on POC's of trending technology along with the Solution Architect

• Translate application storyboards and use cases into functional applications
• Ensures the code follows latest coding practices and industry standards
• Contribute development activities into various projects
• Ensure the best possible performance, quality, and responsiveness of applications
• Should be able to identify, categorize, parse out, articulate and fix problems that occur in applications
• Should understand concept of iterative development and leverage DevOps tools for CI & CD
• Form strong working relationships with your peers and across the team
• Mentoring and educating less experienced team members in related technologies using methods such as informal training, pair programming etc
• Project Participation

• Early adoption of trending technologies
• Proactive communication/soft skills

• Deep knowledge of OOPS, and RESTful API services.
• Experience using well-known JavaScript frameworks and libraries, such as React / Angular / Vue etc.
• Deep expertise in one or more of the following technologies - PHP, NodeJS, .NET
• Knowledge of DevOps (Containerization / Jenkins Pipeline, etc.)
• Ability to write and high quality and secure code and understand performance issues
• Experience with database systems, with knowledge of SQL and NoSQL stores (e.g., MySQL, Oracle / MongoDB, SQL Server, etc.)
• Experience on cloud related technologies (AWS / Azure) could be add-on.
• Proficient in multiple stacks of technologies / systems / tools and focus on building depth and breadth of skills.
• Demonstrate the ability to build a work plan or parts of a work plan, as applicable for role
• Strong understanding of Agile methodologies.

• Development - .NET Core | PHP | HTML5/CSS | Angular | React | VueJS
• DevOps - GIT, Jenkins
• Cloud – AWS | Azure
• Database – Oracle | Mongo DB | MSSQL | MySQL | PostGreSQL

• Team Player
• Strong communication skills with ability to communicate complex technical concepts and align organization on decisions
• Ability to communicate well in English
• Sound problem-solving skills with the ability to quickly process complex information and present it clearly and simply
• Passionate about technology and excited about the impact of emerging/disruptive technologies
• Open to learning new ideas outside scope or knowledge skillset
• Creating a positive environment within the team
• Strong team player and be a technical lead for the team.
• Challenge the status quo

Responsibilities:

• Build a high-quality web application from scratch.
• Design, build and maintain efficient, reusable, and reliable code to ensure the applications' best possible performance, quality, and responsiveness
• Work as part of a team developing web applications and services using Agile development methods.
• Contribute to team and organizational improvements in process and infrastructure.
• Code, test and operate Laravel based services.
• Lead the entire web application development life cycle right from concept stage to delivery and post launch support
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Document the development process, architecture, and standard components
• Developing JSON, REST, and SOAP APIs/web services.

Skills Requirements

• Strong expertise in PHP programming on Laravel with deep understanding on Laravel features and libraries
• Restful API development expertise is a must
• Must be proficient in Web development technologies like HTML 5, CSS 3, Javascript, Node-JS
• Knowledge of jQuery and HTML
• Knowledge of MySQL and Query Optimization
• Knowledge of GIT
• Good written communication skills.
• You must be humble and a team player.
• Experience in handling a team and Project Management.
• Understanding of MVC design patterns
• Hands on experience with any E-commerce website.

Job Description

• ​Be able to drive a team of around 4 developers
• Should be able to effectively lead from the front, integrating developers, analysts and QA
• Should be able to pair, and effectively mentor junior developers
• The ability to think innovatively and turn ambiguous problem spaces into clear solutions
• Be an inspiration for the team and a trusted partner to our customers

Requirements

• Familiar with PHP or Ruby or NodeJS. Strong experience in Laravel and/or ReactJS a plus
• Familiarity with the entire development -> prod flow a strong plus (our dev owns the DevOps)
• Familiarity with performance tuning a web stack a strong plus
• Comfortable working in an Agile highly dynamic start-up environment
• Demonstrate leadership skill and be accustomed to driving results in a collaborative, cross-functional environment