

Designation : Backend - Mobile Application Developer
Location : HSR, Bangalore
About the Company
Making impact driven by Data.
Vumonic Datalabs is a data-driven startup providing business insights to e-commerce & e-tail companies to help them make data-driven decisions to scale up their business and understand their competition better. As one of the EU's fastest growing (and coolest) data companies, we believe in revolutionizing the way businesses make their most important business decisions by providing first-hand transaction based insights in real-time..
About the Role
We are looking to hire a Backend Software Engineer to design and build functional applications and work with our dynamic team of engineers to solve challenges that come with our rapidly evolving technical stack. You should be comfortable working with new technologies and architectures while working with a small team to take ownership of projects to ultimately deliver amazing global user experience. The ideal candidate needs to have experience building products and a firm understanding of web frameworks, APIs, databases, and multiple back end languages.
If you have a strong working knowledge of solving the challenges that impact both the front end and back end architecture and are hungry to learn, compassionate about your work and are familiar with the mentioned technical skills, we’d love to speak with you.
What you’ll do
- Building highly scalable distributed solutions that enable positive user experiences and measurable business growth
- Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities
- Ensure the performance, quality, and responsiveness of applications
- Collaborate with a team to define, design, and ship new features
- Help maintain code quality, organization, and automatization of application
- Architect and provide guidance on building end-to-end systems optimized for speed and scale
- Translate application storyboards and use cases into functional applications
- Identify bottlenecks and devise elegant solutions to improve the scope of functionality of the application
- Ensuring quality and performance as per expected specifications.
- Engage with inspiring designers and front end engineers as we create reliable APIs
What you need to have
TECHNICAL SKILLS
- Extensive experience with building web and mobile applications.
- Deep understanding of NodeJS with excellent debugging and optimization skills.
- Experience of designing and integrating RESTful API’s, client communication and product development.
- Understanding of unit/integration testing, deployment of applications and GCP is a plus.`
- Exposure to IMAP Protocol & mail related applications is a plus
- 2 or more years of working experience as a Backend Developer.

About VUMONIC
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Company Profile
Teknobuilt is an innovative construction technology company accelerating Digital and AI platforms to help all aspects of program management and execution for workflow automation, collaborative manual tasks and siloed systems. Our platform has received innovation awards and grants in Canada, the UK and South Korea, and we are at the frontiers of solving key challenges in the built environment and digital health, safety and quality.
Teknobuilt’s vision is to help the world build better – safely, smartly and sustainably. We are on a mission to modernize construction by bringing Digitally Integrated Project Execution System – PACE and expert services for midsize to large construction and infrastructure projects. PACE is an end-to-end digital solution that helps in Real-Time Project Execution, Health and Safety, Quality and Field management for greater visibility and cost savings. PACE enables digital workflows, remote working and AI-based analytics to bring speed, flow and surety in project delivery.
Job Description
We are looking for an experienced developer in python and python application framework to join our team. You will be developing and mentoring team to develop next micro service application to server global clients for PACE-OS platform. Overall, you’ll strive for efficiency by aligning data systems and application with business goals.
To succeed in this position, you should have good understanding micro service-based architecture to support global traffic and million hits payload, and the ability to database scaling, software design patterns principles and REST Full API development for web application. Developer skills also include familiarity with several python framework like Django or Django-REST or Flask framework.
If you are detail-oriented, love programing challenges with excellent organizational skills and experience in this field, we’d like to hear from you.
Roles & Responsibilities
· Developing intelligent, AI driven, and scalable engineering solutions from scratch, partnering with the business to share product vision and goals.
· Working on high/low-level product designs & roadmaps along with a team of ace developers.
· Server-side component designing, detailed technical designing, development, testing, implementation, and maintenance.
· Strong focus on quality by enforcing the code reviews & development best practices/processes.
· Familiar with Test Driven Development (TDD), will be added advantage to perform the job.
· Responsible for providing expertise in the software development life cycle, from concept, architecture, design, implementation, & testing.
· Leading & mentoring scrum teams on a product.
- Responsible for planning the end-to-end technical scope of the product, planning sprint & deliveries.
- Estimates efforts, identify risks & provide technical support whenever needed.
- Demonstrates the ability to multitask & re-prioritize responsibilities based on dynamic requirements.
· Demonstrated experience in B2B web application development for large enterprises.
· Good understanding of browser development tools and performance optimization
· Understanding of Sonar and Code Quality Metrics, Strong focus on quality by enforcing the code reviews & development best practices/processes.
Requirements:
- 3+ years of experience in software system design & development.
- Extensive development experience in Python programming.
- Passionate about learning new technology, domain, and frameworks.
- Should have experience in any of the Python framework like Django or Django-REST or Flask.
- Good have experience in JavaScript technologies. (e.g., ReactJS/Angular/Node/Express etc.).
- Strong fundamentals in Object-Oriented Design and Data Structures.
- Experience in developing RESTful Web services using any framework.
- Experience with working on Agile Software development methodology.
- Prior experience in the leading/mentoring team is preferred.
- Should possess excellent oral, written, problem-solving and analytical skills.
- Understanding of Sonar and Code Quality Metrics
- Education: B.E, B.Tech, MCA Computer/IT
We appreciate your interest in Teknobuilt
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.
- Ability to work in a fast-paced environment with minimal supervision
- Experience in Agile development using JIRA, GIT, Confluence.
- 3+ years of Experience in node.js + Express.
- Experience in profiling, debugging & troubleshooting Node.js processes.
- Strong Experience as a backend developer for REST API design.
- Strong knowledge of SQL/NoSQLdatabases like PostgreSQL / MySQL or MongoDB
- Understanding accessibility and security compliance
- Understanding fundamental design principles behind a scalable application.
- User authentication and authorization between multiple systems, servers, and environments.
Required Skills:
- Experience in Node.js Frameworks
- Hands-on experience with MongoDB
- Strong proficiency with JavaScript, Socket IO, ExpressJS & SailsJS
- Experience working with third-party developer tools, including documentation, APIs, and SDKs
- Good Grasp of Asynchronous Programming and Its Workarounds
- Database Schema design for Business Processes
- Working Knowledge of JWT-based passport Authentication
- Can Write and Refactor Efficient Codes
- Experience in Implementing Data Protection
- Must have demonstrated the ability to deliver high-quality products on time
- Knowledge of GIT, SVN technology
Location: Remote (Work from Home)
Job title: NodeJS Developer
Job Type: Full-Time
Experience required: 3+ years
Role
As a NodeJS developer at Techwondoe, you will be designing, developing and deploying applications built using nodeJS techstack. You will start working on a project that has cloud functions, services built using nodeJS and deployed into GCP.
Responsibilities
- Develop cloud functions using nodeJS and services using nestJS
- Write unit tests for all the code with good coverage
- Develop and maintain Cl/CD pipelines in gitlab
- Mentor junior engineers by reviewing their code, guiding them in right direction
- Build quality code that is easily readable, scalable and maintainable
Skills Required
- 3+ years of working experience using nodeJS
- Strong expertise in cloud platforms (AWS or GCP)
- Hands on experience with SQL
- Experience in designing and developing serverless applications
- Knowledge of SOLID principles, Design patterns
- Good to have hands on experience with terraform
- Good to have experience in building efficient CI/CD pipelines
- Experience with mentoring junior engineers
- Ability to up-skill in new technologies
- Innovative thinker with strong problem-solving skills
Responsibility and duties
• Understand the business objectives and create a weekly/quarterly roadmap for the team • Integration of user-facing elements developed by front-end developers with server-side logic.
• Reviewing the code written by subordinates to maintain quality of code
• Planning and implementing tests for the codes and fixing bugs
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Qualification and skills *
• Bachelor's Degree in Computer Science [Preferably B. Tech./B.E. (CSE/IT)]
• 2 Years+ experience in Back-end development • Knowledge of Redis assisted client-side caching
•Intermediate skill in Amazon Web Services frameworks and modules • Familiarity with relational or non-relational database [Preferably SQL and MongoDB]
• Familiarity with NodeJS
• Proficient in Ms Excel/Trello
EWar Games focuses on Sports, Mobile Games, Technology, Online Gaming, and Real Money Online Gaming. Their company has offices in Bengaluru. They have a small team that's between 11-50 employees.



We are looking for a Node.js Developer responsible for managing the interchange of data
between the server and the users. Your primary focus will be the development of all server-side
logic, definition, and maintenance of the central database, and ensuring high performance and
responsiveness to requests from the front-end. You will also be responsible for integrating the
front-end elements built by your co-workers into the application. Therefore, a basic
understanding of front-end technologies is necessary as well.
Must-Have:
● Strong proficiency with JavaScript.
● Hands-on experience with HTML, CSS, and AJAX.
● Knowledge of Node.js and frameworks available for it (such as Express, StrongLoop, etc
depending on your technology stack).
● Understanding the nature of asynchronous programming and its quirks and
workarounds.
● Good understanding of server-side templating languages. (such as Jade, EJS, etc
depending on your technology stack)
● Development experience designing object-oriented JavaScript and SVG.
● User authentication and authorization between multiple systems, servers, and
environments.
● Integration of multiple data sources and databases into one system.
● Understanding fundamental design principles behind a scalable application.
● Understanding differences between multiple delivery platforms, such as mobile vs.
desktop, and optimizing output to match the specific platform.
Good to have:
● Proficient understanding of code versioning tools, such as Git.
● Understanding accessibility and security compliance.
● Typescript and Mongo DB knowledge.
● Knowledge of REST & GRPC.
● Understanding of containerization (Docker).
Responsibilities:
● Writing reusable, testable, and efficient code.
● Writing API Documentation.
● Design and implementation of low-latency, high-availability, and performant
applications.
● Implementation of security and data protection.
● Integration of data storage solutions (may include databases, key-value stores, blob
stores, etc.).
● Integration of user-facing elements developed by front-end developers with server-side
logic.


