MEAN Stack Developer

About the CryptoXpress Partner Program

Earn lifetime income just by liking posts, posting memes, art, simple threads, engaging on Twitter, Quora, Reddit, or Instagram, referral signups, commission from transactions like flight, hotel, trade, gift card etc., 

(Apply link at the bottom)

More Details:

• Student Partner Program - https://cryptoxpress.com/student-partner-program
• Ambassador Program - https://cryptoxpressambassadors.com

CryptoXpress has built two powerful tracks to help students gain experience, earn income, and launch real careers:

🌱 Growth Partner: Bring in new users, grow the network, and earn lifetime income from your referrals' transactions like trades, investments, flight/hotel/gift card purchases.

🎯 CX Ambassador: Complete creative tasks, support the brand, and get paid by liking posts, creating simple threads, memes, art, sharing your experience, and engaging on Twitter, Quora, Reddit, or Instagram.

Participants will be rewarded with payments, internship certificates, mentorship, certified Web3 learning and career opportunities. 

About the Role

We're seeking a full-stack Web App Developer to help build and improve the digital backbone of our Ambassador and Student Partner ecosystems. You'll work on end-to-end tools that handle everything from user submissions, XP and karma tracking, reward management, and automated content reviews. If you're passionate about creator platforms and want to build something that helps thousands earn through crypto - this role is for you.

Key Responsibilities

• Build and iterate on core web apps powering CX's Partner Programs
• Develop dashboards for admins, community moderators, and users
• Integrate modules for task submission, fraud detection, and payout workflows
• Maintain performance and reliability of Firebase/PostgreSQL data layer
• Collaborate with UX, backend, and AI engineers to deliver cohesive experiences
• Support internal testing, error handling, and version control best practices

Skills & Qualifications

• Proficiency in React, Next.js, and Firebase or Node.js backends
• Understanding of auth flows, access roles, and form validation
• Experience designing for internal tool or ops dashboards
• Familiar with reward logic, gamified systems, or affiliate tracking
• Deployed tools to Vercel, Netlify, or custom infra

Join us and play a key role in driving the growth of CryptoXpress in the cryptocurrency space!

Pro Tip: Tips for Application Success

• Please fill out the application below
• Explore CryptoXpress before applying, take 2 minutes to download and try the app so you understand what we're building
• Show your enthusiasm for crypto, travel, and digital innovation
• Mention any self-learning initiatives or personal crypto experiments
• Be honest about what you don't know - we value growth mindsets

How to Apply:

Interested candidates must complete the application form at 

https://forms.gle/CCaAvS6yLE92XAzU6

Responsibilities

• Design and develop REST-based web services utilizing Java micro services web frameworks (Spring Boot)
• Apply design principles and patterns in creating enterprise level solutions, as needed
• Perform web services tuning and performance testing
• Implement unit tests as needed
• Support front-end developers in leveraging web services
• Automate/script common developer tasks, continually optimize personal and team workflows
• Infrastructure setup and configuration
• Engage in code review and feedback process
• Take a feature from inception to completion independently across the stack
• Collaborate with teammates on proposed UX/UI and provide feedback as needed
• Participate in and support the entire SDLC processes

Requirements

• Spring Boot, Spring Security, Spring JPA & Hibernate
• Relational data modelling concepts and experience in PostgreSQL, MySQL, or similar
• Adopted opinionated RESTful web services design patterns
• Microservices-based application architecture
• Application containerization technologies, including Docker, Kubernetes, and cloud-vendor implementations (AWS, Azure, other)
• Other modern technologies relevant to the technology stack defined here
• Javascript ES6 or later
• React
• Git

• Ability to work in an existing codebase and collaborate with a diverse team
• Experience in building enterprise-scale backend REST APIs with frameworks such as Nest.js & Express.js using an API-first paradigm
• Intimate knowledge of crafting highly performant database queries
• Hands-on experience implementing relational database structures, including tables, indexes, views, etc.
• A mindset towards building systems for the cloud and DevOps fundamentals
• Working knowledge of cloud infrastructure services is good to have. If not then willingness to learn should be there.
• Focus towards building security, performance, and scalability into services from the beginning
• Experience with debugging code and troubleshooting technical issues in order to craft appropriate solutions
• Strong proficiency with JavaScript
• Experience in creating and deploying cloud-based web applications.
• Good at Jade, EJS,
• Good at CSS preprocessors (such as Stylus, Less, etc depending on your technology stack)
• Front-end technologies, such as HTML5, and CSS3
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Experience with Node.js using web server-based frameworks such as Express.
• PLUS - experience with React.JS, React Native, vue.js javascript framework * Experience with Amazon Web Services
• PLUS - experience with Jenkins or other Continuous Integration tools

MERN Stack Developer

2.5+ YEARS

Roles and Responsibility

Working experience as a MERN Stack Developer.

Design, code and manage large scale services using cutting edge technologies (NodeJs, ReactJS/AngularJS/VueJs etc).

In-depth knowledge of NodeJS.

Creating secure RESTful-based web services in XML or JSON.

Good knowledge in ECMAScript(6/7/8) is essential.

Strong fundamentals in Data Structures and Algorithms.

Experience implementing applications using Angular or React.

Should have an working experience with state management, React Hooks, React Fragments etc.

Should have a good Knowledge of Redux, Flux, and Webpack.

Writing the test case for components.

Experience working with Docker, Redis, MySQL, MongoDB.

Comfortable taking challenges and learning new technologies.

Excellent communication skills and client-facing experience.

Ability to mentor and build the team.

Knowledge of code versioning tools such as Git, Bitbucket or SVN.

Knowledge of the following will be considered as an advantage

Experience with Socket.IO for Real time communications.

Consumer Web Development Experience for High-Traffic, Public Facing web applications.

Caching with Redis For Speedy Performance.

Experience with cloud message APIs.

Knowledge of GraphQL, PostgreSQL.

Knowledge of NextJs.

Knowledge of any frameworks of NodeJS.

Experience with Progressive Web applications.

Knowledge of SSR.

Job Description

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a responsible developer helping our clients, either developing new products or enhancing products. You should be able to contemplate and communicate as much as possible!

Responsibilities

• Writing clean, maintainable, desired quality, desired performing code.
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements
• Coordinate cross-functionally to ensure project meets business objectives and compliance standards
• Support test and deployment of new products and features
• Participate in feature brainstorm, code reviews
• Explore cutting edge technologies and taking up PoC line up.

Qualifications

• Team player
• Passion to solve problems
• Constant learner
• A degree in Computer Science (or related field)
• 4-7 years of relevant work experience
• Able to code in JAVA (with Spring framework)
• Ability to organize, and prioritize work
• Good at Object Oriented Design, Database Design(SQL/NoSQL), and Microservices
• Exposure to UI framework (React/Angular/Vue/Next)
• Exposure with Agile software development methodologies
• Exposure to any one public cloud (AWS/GCP/Azure)
• Exposure to cache, messaging systems, docker, API gateway

What we will not ask from you?

• Your current CTC, you'll be paid for what you deserve!
• If you had breaks in your career that's okay! We will not poke you on why you had your break blah blah...!
• Your notice period in current organization! If everything goes well, you let us know your joining date we will roll out the offer with joining the date as you say!

What's onboard for you as an employee?

• Empathy
• Generous package.
• Variable pay as low as possible (max 15% of your CTC)
• Medical Insurance (limited to spouse & kids) is not part of your CTC.
• Tax beneficial salary structure.
• Comprehensive leave policy
• Flexible Remote working
• Weekly Social Hour on working days
• Open-source Hour on working days
• Flat organization structure
• 15 days notice period (we wanted to keep it as same day exit! we would love to have you with us as long as possible.)

Next steps:

• Feel free to apply for this job if you like this JD.

A highly motivated and passionate individual who has experience in executing end to end web based application projects and bringing them to production quickly and with high quality. Passionate about building flexible and scalable solutions with an eye for detail and can weigh pros and cons to find best possible solutions.

Responsibilities:

• Collaborate with Product Manager and Engineering Manager to plan, implement and deliver tasks and modules on a timely basis with best practices and adherence to SOPs.
• Understand the product specification and be able to ask questions and gather information and feedback to build a well rounded solution.
• Deliver end to end applications starting from front end web development, back end development, middleware integration and persisting data in no SQL or RDBMS databases.
• Should be able to use existing front-end components to build web based UI interfaces.
• Strong technical design approach to problem solving for backend services.
• Should be able to communicate and defend the tech design choices taken for long term scalability and maintainability.
• Play the role of an unblocker in a tight scrum environment.
• Should be able to help other developers with challenges and help achieve milestones as per plan.

• Prioritise to manage ad-hoc requests in parallel with ongoing projects.
• Document API specification, technical design and other key information for all projects/modules/services owned

Requirements:

• A highly talented developer with 4-7 years of hands-on experience in building secure and scalable web-based applications using Java in backend and JS-based frontend frameworks
• Strong knowledge of Java 8+, databases (SQL and NoSQL), MySql, Mongo
• Experience working with Cassandra, Spring Boot, Apache Spark, Kafka, RabbitMQ is highly desirable
• Working knowledge of any one or more of AngularJS/ReactJS/VueJS and CSS3, HTML5
• Strong experience in data modeling for data storage tools in SQL; experience with noSQL is highly desirable.
• Experience building scalable solutions for 2x, 5x and 10x growth with high quality and flexibility.
• Practitioner of test-driven development practices.
• Experience in creating and adhering to best practices for development
• Experience working with container technologies like Docker and knowledge of CI/CD processes for automated integration and deployment.
• Basic knowledge of AWS preferred
• Strong experience in Microservices (SRP) paradigm
• Willing to learn new technologies (Golang)

• Qualification B.Tech/M.Tech/MCA(IT/Computer Science)
• Years of Exp 4 - 7 years