Job Location: Bangalore, Pune, Chennai, Mohali, Gurugram, Panchkula, or Dehradun
The candidate must be available to join within two weeks.
Job Description:
- 5 to 8 years of experience in Developing APIs and RESTful services using Node JS.
- Experience with AWS API Gateway
- Produce high-quality code and experience with security implementations Identifying application security risks and implementing security patches procedures.
- Implement and Improve application logging services
- Work with the product and design teams to understand end-user requirements, formulate definitions of done, and translate that into an effective technical solution.
- Work with the QA Team to develop testing protocols to identify and correct challenges.
- Must have good analytical, debugging, and problem-solving skills.
- Good communication skills.

About Mobile Programming LLC
About
Mobile programming LLC is a US based MNC company. Our services are focused on Mobility Solutions, Custom App Development, Cloud Solutions, IoT, AR/VR, Blockchain, Artificial Intelligence & Machine Learning, Predictive Analytics & Big Data Solutions, and several other trending as well as emerging technologies.
You can find more details on - https://www.mobileprogramming.com/
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- Create, maintain, test, and fix back-end infrastructure, including databases, data integration, API, core application logic, and other processes that need to be done behind the curtain. Since the job responsibilities can be performed remotely, we simply want our back-end developer to analyze user needs and improve user experience according.
- proficient in server-side development and optimization of data, including database creation and management and debugging
- Integrate data from various back-end services and databases
- Create and maintain software documentation
- Create user-friendly and intuitive interfaces
- Create and analyze reliable and secure back-end functionality
- Maintain, expand, and scale designed database
- Collaborate with front-end developers and web designers to match visual design intent.
- Design RESTful APIs
- Experience working with relational database like mysql/oracle, Mangodb
Context for the Candidates:
Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.
Key Discussion Points:
• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?
• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.
• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?
• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?
• Share best practices for gas optimization, contract upgradability, and backend scalability.
Evaluation Criteria:
1. Technical Knowledge:
• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.
• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).
• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.
2. Problem-Solving and Integration Skills:
• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.
• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.
3. Experience and Expertise:
• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.
• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.
4. Innovation and Critical Thinking:
• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.
• Discussion on the future potential of blockchain technology and how the tech stack can evolve.
5. Communication and Team Collaboration:
• Clear articulation of technical challenges and how to address them in a team setting.
• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.
Software Engineer (Backend Developer)
About Falconbrick Technologies:
FalconBrick is a SAAS based Construction / Real-Estate Industry, Product & Deep Technology and most importantly, on-ground change management experience. We aim to be the de facto on-site construction management system in India and abroad. We have seen very quick growth, with large builders (across Bangalore, Mumbai, Pune, Kolkata, Delhi-NCR & Hyderabad) already being our customers. Our larger team includes product and engineering experts who are building & strengthening the product on a daily basis, and customer success specialists, who are providing constant service to
our clients, again on a daily basis.
What you will be doing:
-
Design & Build a highly scalable, robust backend architecture for our cloud services
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You will be part of a software development team for developing and enhancing SaaS applications.
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Take responsibility of entire module/featureset and develop, test, debug and maintain the application software
throughout the product lifecycle
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Working with the Product Management Team to validate and plan new features
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Working with cross-functional teams to deliver stellar end user experience
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Research new technologies and tools that help in building the next generation of our services
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Test, debug and maintain the application software throughout the product lifecycle
What you need
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Should be an enthusiast for writing clean, reusable codes, willing to learn new things as a self-starter person
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2+ years of strong relevant experience in developing Object-oriented technologies.
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Must have experience with web development in Java 8+, Spring, J2EE frameworks and technologies.
(Mandatory)
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Deep Knowledge of DB experience with Postgres or MySQL or Oracle or MSSQL
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Must have worked on REST API (Mandatory)
Preferred
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Experience in Kotlin Language
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Preferred having knowledge Nodejs experience
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Preferred having knowledge Working with Queue systems/Message Brokers RabbitMQ/Kaffka
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Experience with NoSQL experience
What you will get
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We know you're happiest when you are learning new things, so each new assignment will give you an opportunity to do things differently, explore new technologies and challenge the status quo!
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This is an opportunity to be part of an energetic and growing FalconBrick Team and take part in the journey of building and scaling great products with cutting edge technologies.
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We are flexible, Fun and Open to receive ideas from team
Overview
At Quizizz, we are building engaging learning experiences for teachers and students. Our mission is to motivate every learner and help them achieve their true potential. We are among one of the fastest-growing Edtech platforms globally and are currently used by 80% of the US schools every month, serving over 70M monthly actives around the world. Our goal is to reach every classroom around the world.
Quizizz has a passionate user base—We have organically reached this scale. Our NPS is 82 and our users love and deeply care about the platform. Check out our https://twitter.com/search?f=tweets&vertical=default&q=quizizz&src=typd" target="_blank">Twitter page to see all the love shared by our users.
We are a venture-backed and profitable company creating a meaningful impact in K-12 education. We are a small, passionate, global team working on challenging problems to improve education. Look forward to using the latest technologies, fast development, and interacting with users to build delightful product experiences.
What the future holds
- You will architect, build, scale, backend system that powers our applications which are loved and used by millions of learners every day.
- You will work closely with a cross-functional team consisting of strategy, design, development, and program managers to determine how to design scalable backend systems and APIs to meet their needs.
- You possess a passion for improving techniques, processes, tracking, and continuously improving our engineering practices.
Requirements
- You will be utilizing technologies like Redis and Websockets to create a high-reliability, low-latency API that will handle massive multiplayer sessions.
- You will be building a database layer using MongoDB to efficiently store/retrieve large amounts of data.
- You will be setting up suitable backup and redundancy measures for maintaining 100% uptime for all our mission-critical services.
- You will be logging all data, and setting up jobs to generate analytics reports that will drive all our decisions.
Benefits
At Quizizz, we have built a world-class team of talented individuals. While we all care deeply about our work, we also ensure that we maintain a healthy work-life balance. Our policies are designed to ensure the well-being and comfort of our employees. Some of the benefits we offer include:
- Healthy work-life balance. Put in your 8 hours, and enjoy the rest of your day.
- Flexible leave policy. Take time off when you need it.
- Comprehensive health coverage of Rs. 6 lakhs, covering the employee and their parents, spouse and children. Pre-existing conditions are covered from day 1, and also benefits like free doctor consultations and more.
- Relocation support including travel and accommodation, and we'll also pay for a broker to find your home in Bangalore!
- Rs. 20,000 annual health and wellness allowance.
- Professional development support. We will reimburse you for relevant courses and books that you need to become a better professional.
- Delicious Meals including breakfast and lunch served at office, and a fully-stocked pantry for all your snacking needs.
About the team
Vakilsearch is on a mission to make Legal Simple. We are the leaders in Indian Legal, Tax and Compliance. Our mission is simplifying businesses to be in compliance with Government through end to end process and workflow automation. This is the key initiative of Vakilsearch as we look to revolutionize legal space in India.
We are a technology-driven platform, offering services that cover the legal needs of start-ups and established businesses. Some of our services include incorporation, government registrations & filings, accounting, documentation and annual compliances. In addition, we offer a wide range of services to individuals, such as property agreements and tax filings. Our mission is to provide one-click access to individuals and businesses for all their legal and professional needs.
Key Skills
- Strong proficiency with JavaScript
- Strong knowledge in JavaScript Object Oriented Programming
- Strong Knowledge of Node.js and frameworks such as Express
- Good Understanding of the nature of asynchronous programming model
- Good Understanding of callbacks and event emitters
- Good Experience in Node.js Module/Library development
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Proficient understanding of code versioning tools, such as Git
- Working experience with MongoDB or equivalent nosql data store
· 3+ years of experience as a Software Engineer · Deep understanding of server-side code, with experience of developing in Node.js · Must have good knowledge of Express, Rest API, WebSocket, OAuth, OpenID and Node.JS best practices · Must be able to create separate micro-service for each business domain · Experienced in unit testing and should be able to achieve code coverage of 90% plus · Can write complex algorithm with multi-threading as a part of the feature · Experience in writing asynchronous programming · Knowledge of cloud applications like in AWS · Familiarity with code versioning tools such as Git, SVN, and Mercurial · Practical experience of delivering in an agile environment · Practical experience of knowledge of developing real-world solutions and platforms · Good understanding of security and performance considerations · Understanding of architectural and design patterns · Deep understanding of SQL and NoSQL databases |
1. Rest Services using NodeJS & Express
2. Micro services based application development using Kubernetes, Dockers, WAF
4. Languages : Javascript is mandatory. Preferred if you are also hands-on with Typescript, Java.
5. Database : Working experience in one of these document databases- Dynamodb, Cosmos db, MangoDB. Preferred if you also have working experience in any of these RDBMS - MySQL, Postgres, SQL Server
6. Storage : Working experience in any one of these storage technologies - S3, Blob or any cloud storages
7. DevOps : JIRA, Jenkins, ELK, CI/CD, Git, AWS or Azure cloud compute

**Requirements**
- 3-5 years experience in backend development, preferably on JavaScript
- Experience in JS based frameworks such as NodeJS, ReactJS, TypeScript
- Solid understanding of OOPS , RDBMS , NoSQl databases and concepts
- Familiar with building web applications and hosting.
- Should be aware of Unix based OSes, and be able to manage command line scripting and other shell commands.
- Exposure to cloud service SDKs and hosting on platforms such as AWS or Azure
- Conversant with standard enterprise Design patterns.
- Practices to keep the code DRY(dont repeat yourself) and readable.
- Experience working with third-party integration tools and platforms
- Strong familiarity with source control systems

- 3+ years of experience with Ruby On Rails.
- Strong Project & Time Management Skills, along with the ability to apply these skills while working independently, or as part of a team.
- Knowledge of blockchain technology, smart contracts and cryptocurrency will be an added advantage
- Experience in fintech domain will be another added advantage
- Bachelor’s degree in computer programming, computer science, or a related field.
- Fluency or understanding of specific languages, such as Java, PHP, or Python, and operating systems may be required.


