
● Experience Level: Min 2+ years
● Experience working with Nodejs/any JS framework, operating blockchain nodes especially in
Ethereum.
● Knowledgeable about smart contract security and best practices (design patterns).
● Build back-end web services that interact with the Ethereum blockchain.
● Research, design, implement and maintain all decentralized finance systems.
● Good Communication Skills.

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Job Overview:
We are looking for a seasoned Senior Backend Engineer (SDE III) with over 5 years of experience to lead, mentor, and grow a high-performing engineering team. The ideal candidate will have extensive hands-on experience in software development, deep technical expertise, and a proven track record of successfully leading large-scale engineering teams and projects. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence.As a Backend Lead, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization’s goals and play a critical role in shaping the technology roadmap and engineering culture.
Key Responsibilities:
- Leadership and Team Development: Lead and inspire a team of engineers, fostering a culture of innovation, accountability, and continuous improvement. Manage the hiring, training, and career development of engineering staff.
- Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Define technology roadmaps and ensure alignment with organizational goals.
- Technical Excellence: Guide the team in designing and implementing scalable, robust software systems. Drive the adoption of best practices in architecture, coding standards, and software testing to ensure high-quality product delivery.
- Project and Program Management: Oversee the successful delivery of engineering projects, ensuring deadlines, quality standards, and budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
- Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
- Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
- Stakeholder Communication: Act as the technical point of contact for stakeholders, providing regular updates on project progress, resource allocation, and performance metrics. Communicate complex technical concepts to non-technical stakeholders.
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
- 5+ years of experience in software engineering
- Proven track record of successfully delivering large-scale, high-impact software projects.
- Strong understanding of software architecture, design patterns, and scalable system design.
- Expertise in multiple programming languages and modern development frameworks For this role we require expertise in Python/Django and API Development
- Experience with cloud infrastructure (AWS), microservices, and distributed systems.
- Good experience with MySQL and ElasticSearch. Slight experience with other NoSQL and SQL databases.
- Experience in DevOps, CI/CD pipelines, and infrastructure automation.
- Experience in delivering full-stack B2B/SaaS applications including mobile applications, web frontend, and a scalable backend.
- Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
- Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.
About Us:
We are BlackLight Games; we bring culturally relevant synchronous multiplayer games experience to mobile. Our games have been rocking the Play Stores since launch. We have built cutting-edge back-end technology; we take pride that our games are played by more than 1 million players daily. Our flagship game, Ludo SuperStar has been downloaded more than 100 million times. Other titles include – CallBreak, Carrom, Solitaire, Spider Solitaire and Word games.
Website link- https://blacklightsw.com/
Position: Backend Developer
Location: Noida
Educational Qualification: B.Tech/ MCA / M.Tech / M.Sc or relevant professional experience; preferably in Computer Science.
Skills :
- Backend: NodeJS
- Databases: MySQL/ MongoDB.
Job Summary:
What You Bring To The Team
- More than 3+ years of experience developing serverless applications using public cloud like Google Cloud/ AWS
- Knowledge of Node. js and frameworks available for it.
- Strong proficiency with JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Distributed system development with an understanding of latency, scalability, scheduling, asynchronous programming, and reliability
- Understanding fundamental design principles behind a scalable application
- Experience with services common to serverless architectures, like: AWS Lambda, DynamoDB, IAM, Firebase Real Time Database, Google Cloud SQL, Cloud Tasks. It’s a bonus if you have worked on Google Cloud Project and Firebase.
- Solid Experience with NoSQL and SQL databases is required with proven experience of creating database schemas that represent and support business processes.
- Integration of multiple data sources and databases into one system.
- Experience with deploying, maintaining, debugging live systems, and end-to-end testing and analysis
- Experienced in creating micro-services based architectures, reusable components
- Experience building REST APIs and other common application architectures on the above services
- Experience building data processing pipelines
- Solid understanding of code, design, and development practices
- General comfort in exploring, assessing, and learning new frameworks
- High levels of integrity and professionalism, and an ability to channel maximum amounts of energy into the role delivering premium customer service at all times
- Adhere to different Project Management methodologies (Agile etc) and leverage different CI/CD tools
Extra Gems For
- Google, AWS and/or Industry certifications.
- Familiarity with object storage such as AWS S3, Firebase Storage, in-memory caches such as Redis
- Demonstrated performance of threat modeling, risk assessment techniques, code reviews in the context of DevSecOps security
- Knowledge of Application Monitoring using tools like Google Stackdriver
- Broad familiarity with other languages like J2EE, Python as we write some code in these as well.
- Experience with Github and advanced Github features.
- Experience of working in Product industry
- Open source contributions, interesting hobby projects.
Why Us?
- High Growth Startup environment
- Company sponsored courses and education material
- Lots of learning opportunities
- Work with a super-talented team of professionals
- Informal work-culture, Casual Dress Code, multiple outings and trips
- Performance Based Bonus
- Competitive Salary
- Medical Insurance for you and your family
- Subsidies Lunch and Unlimited Snacks, Tea & Coffee in the house at all times
Backend Architect:
Technology: node js, DynamoDB / Mongo DB
Roles:
- Design & implement Backend Services.
- Able to redesign the architecture.
- Designing & implementation of application in MVC & Microservice.
- 9+ years of experience developing service-based applications using Node.js.
- Expert-level skills in developing web applications using JavaScript, CSS and HTML5.
- Experience working on teams that practice BDD (Business Driven Development).
- Understanding of micro-service architecture and RESTful API integration patterns.
- Experience using Node.js for automation and leveraging NPM for package management
- Solid Object Oriented design experience, and creating and leveraging design patterns.
- Experience working in a DevOps/Continuous Delivery environment and associated toolsets (i.e. Jenkins, Puppet etc.)
Desired/Preferred Qualifications :
- Bachelor's degree or equivalent experience
- Strong problem solving and conceptual thinking abilities
- Desire to work in a collaborative, fast-paced, start-up like environment
- Experience leveraging node.js frameworks such as Express.
- Experience with distributed source control management, i.e. Git

- Experienced in automated deployment tools such Continuous Integration (Azure DevOps/Git).
- Excellent debugging skills; able to debug complex technical issues involving multiple system components. Good to have knowledge on online & offline sync capabilities in Progressive Web Application (PWA) implementation.
- Knowledge on Azure DevOps is optional.
- Knowledge on INFORM, WARN and ERROR logging in Azure Application Insights, error handling, access authorization, data connectivity in C# is mandatory.
- Knowledge on publisher/subscriber queueing such as RabbitMQ.
- All C# code must contain descriptive comments to functions, or complex/nested loops, if, or case statements.
- Knowledge on NetSuite is an advantage.
- Knowledge on Azure Active Directory is an advantage. Knowledge on OAuth 2.0 & JWT Tokens is mandatory. Writing high-level design and technical analysis documents.
- Should have worked on Agile framework
- Strong Experience on. NET Core, . NET Microservices, C# 5.0 Xunit - Unit Test Framework - C#, Entity Framework/Entity Framework and RESTful Design, Redis
- Experience with SQL Server 2012 & above
- Should be well versed with RabbitMQ
- Knowledge on Azure Active Directory, Application Insights, Azure Devops/Git/Bitbucket Pipeline, Serverless / Azure functions, Azure Service Fabric / Functions
- Hands-on JWT Tokens, API Authorization, OAuth 2.0 JSON or XML
- Exposure to NetSuite, Workato will be an added advantage
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
🙋♀️ The role & what we are looking for?
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.
📄 The role & what we are looking for:
🧑💻 Responsibilities:
- 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.
- Upto 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.
- You have basic understanding 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)
- 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).
❕Bonus:
- 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.
🤙 What's the interview process like?
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! 🙂
So, think we’re a good fit? Then let’s roll.🤘
We are looking for a highly capable Node.js developer to optimize our mobile-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.
To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.
Roles and Responsibilities
- Actively participate in the overall application lifecycle.
- Focus on coding and debugging.
- Collaborate with front-end developers.
- Define and communicate technical and design requirements.
- Build a high-quality reusable code that can be used in the future.
- Create sustainable and functional web applications with clean codes.
- Learn about new technologies and stay up to date with current best practices.
- Conduct UI tests and optimize performance.
- Train, help, and support to other team members.
Requirements
- Hands-on backend mobile app/web development experience
- At least four years' experience as a Node.js developer.
- Hands-on experience of working on MongoDB database
- Knowledgeable of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
- Good understanding of server-side CSS pre-processors
- Proven experience creating user authentication and authorization between multiple systems, servers, and environments
- Capability to integrate multiple data sources and databases into one system
- Proven experience managing of hosting environment, that includes database administration and scaling an application to support load changes
- Ability to setup, administer of backups, data migration, transformation, and scripting.
- Knowledgeable of OWASP security principles
- Understands “session management” in a server environment
- Tech/M.Tech in Computer Science or a related field
About the job:
You'll be responsible for building backend of our platforms. You must know Mongodb, and Node.js.
Expectations:
Develop backend API’s.
Strong ability to design and configure schema and MongoDB data modelling
Assuring the complete stack is designed and built for high performance and scalability.
Your Requirement:
Must know Mongodb and Node.js.
Work experience of minimum 2 years.
Worked with startups and evolved products for scale.
Preferred:
Growth mindset & leadership abilities to work in a frugal environment.



Experiance: 3+ Yrs
Skills: Node JS, Mongo DB, Aws
Database: Mongo DB.
Location: Hyderabad..

