NodeJS Developer

As a Senior Backend & Infrastructure Engineer, you will take ownership of backend systems and cloud infrastructure. You’ll work closely with our CTO and cross-functional teams (hardware, AI, frontend) to design scalable, fault- tolerant architectures and ensure reliable deployment pipelines.

1. What You’ll Do :

• Backend Development: Maintain and evolve our Node.js (TypeScript) and Python backend services with a focus on performance and scalability.
• Cloud Infrastructure: Manage our infrastructure on GCP and Firebase (Auth, Firestore, Storage, Functions, AppEngine, PubSub, Cloud Tasks). 
• Database Management: Handle Firestore and other NoSQL DBs. Lead database schema design and migration strategies.
• Pipelines & Automation: Build robust real-time and batch data pipelines. Automate CI/CD and testing for backend and frontend services.
• Monitoring & Uptime: Deploy tools for observability (logging, alerts, debugging). Ensure 99.9% uptime of critical services.
• Dev Environments: Set up and manage developer and staging environments across teams.
• Quality & Security: Drive code reviews, implement backend best practices, and enforce security standards.
• Collaboration: Partner with other engineers (AI, frontend, hardware) to integrate backend capabilities seamlessly into our global system.

Must-Haves :

• 5+ years of experience in backend development and cloud infrastructure.
• Strong expertise in Node.js (TypeScript) and/or Python.
• Advanced skills in NoSQL databases (Firestore, MongoDB, DynamoDB...).
• Deep understanding of cloud platforms, preferably GCP and Firebase.
• Hands-on experience with CI/CD, DevOps tools, and automation.
• Solid knowledge of distributed systems and performance tuning.
• Experience setting up and managing development & staging environments. 

• Proficiency in English and remote communication.

Good to have :

• Event-driven architecture experience (e.g., Pub/Sub, MQTT).
• Familiarity with observability tools (Prometheus, Grafana, Google Monitoring).
• Previous work on large-scale SaaS products.
• Knowledge of telecommunication protocols (MQTT, WebSockets, SNMP).
• Experience with edge computing on Nvidia Jetson devices.

What We Offer :

• Competitive salary for the Indian market (depending on experience).
• Remote-first culture with async-friendly communication.
• Autonomy and responsibility from day one.
• A modern stack and a fast-moving team working on cutting-edge AI and cloud infrastructure.
• A mission-driven company tackling real-world environmental challenges. 

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

CryptoXpress is looking for a skilled Backend Engineer to build the core logic powering our Partner Program reward engines, task pipelines, and content validation systems. Your work will directly impact how we scale fair, fast, and fraud-proof systems for global Student Partners and CX Ambassadors.

Key Responsibilities

• Design APIs to handle submission, review, and payout logic
• Develop XP, karma, and level-up algorithms with fraud resistance
• Create content verification checkpoints (e.g., metadata checks, submission throttles)
• Handle rate limits, caching, retries, and fallback for reward processing
• Collaborate with AI and frontend engineers for seamless data flow
• debug reward or submission logic
• fix issues in task flows or XP systems
• patch verification bugs or payout edge cases
• optimize performance and API stability

Skills & Qualifications

• Proficient in Node.js, Python (Flask/FastAPI), or Go
• Solid understanding of PostgreSQL, Firebase, or equivalent databases
• Strong grasp of authentication, role-based permissions, and API security
• Bonus: Experience with reward engines, affiliate logic, or task-based platforms
• Bonus: Familiarity with moderation tooling or content scoring

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

Job Summary: We are looking for a proficient PHP Full Stack Developer specializing in Laravel to join our team. The ideal candidate should possess in-depth knowledge and hands-oJob Summary:

We are looking for a proficient PHP Full Stack Developer specializing in Laravel to join our team. The ideal candidate should possess in-depth knowledge and hands-on experience in Laravel framework development, along with proficiency in front-end technologies. You will be responsible for building and maintaining robust web applications, ensuring high performance, and contributing to the entire software development lifecycle.

Responsibilities:

Develop, implement, and maintain scalable web applications using PHP with a focus on Laravel framework.

Design and develop efficient, reusable, and reliable code for both front-end and back-end components.

Collaborate closely with the design and product teams to translate UI/UX design wireframes into functional web applications.

Create and optimize database schemas and queries (MySQL, MongoDB, etc.) for performance and reliability.

Implement and maintain RESTful APIs for seamless integration with front-end interfaces.

Conduct code reviews, debugging, and troubleshooting to maintain code quality, performance, and application stability.

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.

Roles and Responsibilities

• Production platform hands-on experience involving Node JS & REST API.

• Hands-on production platform experience working with micro-service back-end architecture.

• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.

• Well-versed in cloud deployment of code blocks.

• Experience with JS testing and code analysis frameworks such as Mocha.

• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.

• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.

• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.

• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.

• Utilize AWS S3 bucket for secure and scalable storage of data and media files.

• Collaborate with QA engineers to perform thorough testing and bug fixes.

• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

Required Education:

B.Tech./ BE - Computer, IT, Electronics only

Required Skills:

• 2+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

Node.js Developer Requirements:

• Bachelor's degree in computer science, information science, or similar.
• At least two years' experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

Quoality- A Modern Operating Infrastructure for Hospitality Businesses to help them improve the guest experience and generate additional revenue.

Launched in 2021, Quoality is a Hospitality Tech company backed by a US-based Newchip Accelerator. Our mission is to equip businesses with the tools they need to grow. 

By providing tools, insights, and education with minimal effort on the business's part, the barrier to making actionable business decisions is lowered dramatically. Everything we do is driven by this mission. Everything we do needs to positively answer the question, "Does this help businesses grow?"

Product Demo: https://www.youtube.com/watch?v=gKklkRYKkC4&;t" target="_blank">https://www.youtube.com/watch?v=gKklkRYKkC4

Quoality Blogosphere: https://medium.com/quoality" target="_blank">https://medium.com/quoality

Oh, this is our favorite part. We’ve seen companies that write 'templatized' BS for this section; stuff that’s never followed in reality.

Not us. Here are some of our core values to give you a sense of who we are as a team:

• First and foremost, we’re super transparent. We all know what everyone’s working on, how’s the company doing, and the whole shebang.
• We’re all super chill. 
• Work time ain’t playtime. We take our work very seriously. We’re a small bunch on a mission to change the guest experience in the hospitality industry, once and for all.
• Deadlines are a thing for us. We are super punctual.
• We know what we are working on and aren’t clueless.
• We’re more friends than colleagues.
• Monthly 1:1s with the founders where you can directly share & receive feedback.

Not convinced yet? Okay, here’s the fun stuff:

• Flexible leave policy. Yeah, it’s truly flexible. We trust you.
• We have a flexible remote work policy in India.  Work from the beautiful beaches of Goa or the stunning mountains of Manali, we’re all good.
• Annual workstations at exotic destinations. Subject to change and hitting milestones.
• Allowances to choose your coworking space (if you want), courses & any tool that you think is beneficial to succeed in this role.
•  

• Write code that will impact the businesses of thousands of hotels, hostels, and vacation homes across the globe.
• Collaborate with Frontend to spec, write, test, and deploy API endpoints.
• Implementation of a robust set of services and APIs that work on our data pipelines.
• Build all support infrastructure to scale our data delivery pipelines - endpoints, security, logging, messaging.
• Product development activity includes data querying from our various stores, real-time analytics, ML algorithms.
• Developing & Integrating of the front-end and back-end aspects of the web application
• Optimization of the application for maximum speed and scalability.
• Brainstorm features with the product team and guides decisions based on your knowledge of the codebase.
• Take full ownership of the module starting from architectural and design decisions to shipping.
• Like the work you do, enjoy collaborating with your coworkers, communicate as much as you can, and have fun. 
  
  

• 1+ years of relevant work experience.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• You possess strong computer science fundamentals: data structures, algorithms, distributed systems, and information retrieval.
• You have a good understanding of multi-process architecture and the threading limitations of NodeJs and Express frameworks.
• Understanding of fundamental design principles behind a scalable application.
• Good understanding of server-side templating languages.
• You have good knowledge of relational databases as well as key-value databases and are capable of designing scalable database models based on the product requirements.
• Familiarity with REST API development standards, protocols (HTTP, WebSockets and more), and GraphQL.
• You’re comfortable picking up new stacks and choosing the right tool to get the job done.
• You are open to learning new stuff and avoid internal politics. (super important).
• You are humble, kind, and are open to feedback.(super duper important).

• Entrepreneurial spirit, Product Thinker, and ‘Can-Do' attitude.
• Passionate about leveraging technology for supporting product delivery in the Hospitality space.
• Operating style suited to working in a startup environment, where teamwork and resourcefulness are highly valued.
• Excellent leadership skills, including the ability to manage multiple assignments at a time.

Yes, we do have a process, and it’s simple.

• Step 1: You apply for the job.
• Step 2: Quick intro call with the founders.
• Step 3: Solve an assignment.
• Step 4: A round where we evaluate your assignment along with you.
• Step 5: One round of interviews to gauge if you are a good culture fit.
• Step 6: Job Offer (contingent on the above steps).
• Step 7: Welcome to the Quoality! 🙂

• Analyzing website and application requirements.
• Writing back-end code and building efficient PHP modules.
• Developing back-end portals with an optimized database.
• Troubleshooting application and code issues.
• Integrating data storage solutions.
• Responding to integration requests from front-end developers.
• Finalizing back-end features and testing web applications.
• Updating and altering application features to enhance performance.

PHP Developer Requirements:

• Bachelor’s degree in computer science or a similar field.
• Knowledge of PHP web frameworks including Yii, Laravel, and CodeIgniter.
• Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
• Understanding of object-oriented PHP programming.
• Previous experience creating scalable applications.
• Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
• Familiarity with SQL/NoSQL databases.
• Ability to project manage.
• Good problem-solving skills.