
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.

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Job Profile:-
We’re in search of a Back-End Software Engineer that specializes in server-side components. In this role, you’ll primarily work on Node JS, Mongo DB, Redis, building scalable products and will bring a depth of knowledge on algorithms and data structures. As a Back-End Software Engineer, on any given day you might be architecting new features for our customers, refactoring existing code to be more scalable, and seeing changes through to completion in a live environment.
Key Attributes you need to possess: -
- Prioritization- Should have a strong work ethics and show up on time at sessions with excellent skills in predicting the amount of time needed to plan, coordinate, and perform on a task or managing their clients as and when required.
- Quick Learning Ability- You should be an amazing self-learner who has the ability to learn new technology on their own and are not threatened by new technologies. Someone who has an ability to pull various bits of information and to process information on the fly with good logical and analytical skills.
- Deep and Broad Technical Experience- Someone who is able to hit the ground because they already know the right technology.They should be able to meet coding principles and write code that is readable and commented-on where appropriate.Through incorporating their cognitive abilities and extensive industry experience, they are able to find optimal solutions easily.
- High-End User Focus-A good programmer does what they are asked to do, while a great programmer thinks of the end user of the software and works to solve problems within the organization’s
capabilities.Someone who knows the functionality they’re creating is of high value.
-Business Acumen- Should have a great eye for Business acumen as the product build will be exposed to millions of customers on-brand digital assets hence giving you exposure for handling a large user base in a live environment.
-Teamplayer- Someone who is able to work in a challenging environment and requires complete devotion, persistence and learning new things every day. As they will be involved in every fact of the product development starting from product ideation, Interface design, user experience, analytics, and engineering.
Typical work week look like:-
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Design and implementation of scalable applications by using asynchronous programming with low-latency, high-availability, and performant applications between multiple systems, servers, and environments.
-Integration of data storage solutions by creating database schemas that represent and support business processes and also Integrating multiple data sources and databases into one system.
- Building reusable code and libraries for future use.
- Explore technical innovation and propose new solutions as and when required.
- Work with engineers, product managers and senior leadership to turn our product and technical vision into a tangible roadmap every month.
Our ideal candidate should have:-
- 4+ years of relevant experience in a Tech Startup
- A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Information Technologies/Computer Science)
- Strong proficiency with JavaScript and knowledge of Node.js and frameworks.
- Strong hands on MongoDB and ability to write aggregation queries.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Hands-on on code versioning tools, such as Git, Redis, AWS, Sockets
Senior Back-end Engineer Developer
What We Need
Looking for a senior back-end developer who will start working in our Bangalore office and then will be given an opportunity to move to Netherlands to work closely with our clients
- A highly motivated and experienced frontend software engineer / developer with a proven track record (at least 5 years of experience).
- A Bachelor’s degree in computer science.
- Someone who loves to work in a multidisciplinary team of engineers and business colleagues in a high-tech environment.
- You are able to work in a dynamic and demanding environment, a real team player and a speak-up mentality to promote your ideas in a concise way.
- You are a problem-solver and see yourself as a hardcore web developer.
- You have knowledge of, and experience with, different web technologies.
- You are skilled with implementing architecture & design patterns.
- You can write modular code that is configurable, extensible and testable.
- You have great analytical skills, conceptual understanding and able to quickly understand new technical concepts.
- You have a strong interest in the latest trends in software development & web technologies.
- You have strong communication skills to explain complex technical concepts.
- You are fluent in English both in verbal and written.
We are looking for a back-end engineer / developer:
Proficiency / experience with following technologies & tools:
- Thorough and deep understanding of Java JDK 11+, our foundational programming language
Spring Framework & AOP v5.2+
- Proven experience working with, and a deep understanding of Spring Boot 2.5+ and its modules (Web, Data JPA, Security OAuth2) and ability to explain complex use-cases related to persistency and web security
- Experience with Maven v3+
- Experience with containerization and deployments tools (eg. Docker v20+ and Kaniko, Helm (charts) v3+ with Kubernetes deployments)
- Experience working with CI/CD tools like GitLab SCM & pipelines and JFrog Artifactory
- Strong knowledge working with different types of SQL and NoSQL databases such as PostgreSQL v12+, MongoDB v4+ and Neo4J v4+
- Proficient in working with DevOps engineers on Cloud deployments (eg. Azure subscriptions)
- Experience in Agile/Scrum & (pref.) SAFe (Scaled Agile Framework) and enabling tooling – Atlassian Jira Cloud / Jira Align
- Experienced and skilled in full-stack development.
- Leading and solutioning product development of secure and high-performance applications.
- Good understanding of REST APIs and working knowledge of HTTP(S).
- Experienced in testing stack – Junit / Mockito
- Experience with software quality & vulnerability testing – SonarQube and Blackduck
- Proficient in writing software documentation on Atlassian Wiki
- Proficient in implementing data structures, algorithm design and OOPs concepts.
🚀 We’re Hiring: Senior Python Backend Developer 🚀
📍 Location: Baner, Pune (Work from Office)
💰 Compensation: ₹6 LPA
🕑 Experience Required: Minimum 2 years as a Python Backend Developer
About Us
Foto Owl AI is a fast-growing product-based company headquartered in Baner, Pune.
We specialize in:
⚡ Hyper-personalized fan engagement
🤖 AI-powered real-time photo sharing
📸 Advanced media asset management
What You’ll Do
As a Senior Python Backend Developer, you’ll play a key role in designing, building, and deploying scalable backend systems that power our cutting-edge platforms.
Architect and develop complex, secure, and scalable backend services
Build and maintain APIs & data pipelines for web, mobile, and AI-driven platforms
Optimize SQL & NoSQL databases for high performance
Manage AWS infrastructure (EC2, S3, RDS, Lambda, CloudWatch, etc.)
Implement observability, monitoring, and security best practices
Collaborate cross-functionally with product & AI teams
Mentor junior developers and conduct code reviews
Troubleshoot and resolve production issues with efficiency
What We’re Looking For
✅ Strong expertise in Python backend development
✅ Solid knowledge of Data Structures & Algorithms
✅ Hands-on experience with SQL (PostgreSQL/MySQL) and NoSQL (MongoDB, Redis, etc.)
✅ Proficiency in RESTful APIs & Microservice design
✅ Knowledge of Docker, Kubernetes, and cloud-native systems
✅ Experience managing AWS-based deployments
Why Join Us?
At Foto Owl AI, you’ll be part of a passionate team building world-class media tech products used in sports, events, and fan engagement platforms. If you love scalable backend systems, real-time challenges, and AI-driven products, this is the place for you.
- 3+ 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.
6 days working -Remote working would do
JOB DES RIPTION
Founded by experienced founders and funded by Tier-1 VCs, It's a solution for democratizing the shopping experience on e-commerce platforms. Our aim is to provide a superior shopping experience for all our partners and improve both customer satisfaction and their GMV.Being an early-stage company, we are looking for self-driven, motivated people who want to build something exciting and are always looking out for the next big thing. We plan to build this company remotely, which brings freedom but also an added sense of responsibility. If all this sounds interesting to you read on
Responsibilities
- Writing testable and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- implementing business logic and developing APIs and services
- Build reusable code and libraries for future use.
Skills And Qualifications
- 2-3 years of hands-on experience in back-end development with Node.js.
- Knowledge of Node.js frameworks such Resitfy
- Good understanding of server-side templating languages
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Expertise with Linux based systems
- Proficient understanding of code versioning tools, such as Git
- Have worked in any of the cloud based platform AWS, GCP, Docker, Kubernetes.
Traits we value
- Independent, resourceful, analytical, and able to solve problems effectively
- Ability to be flexible, agile, and thrive in chaos
- Excellent oral and written communication skills
About the Company
Our client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform.
Job Description
Experience : 3-5Years
Requirement
- 3+ years of backend/full-stack development experience
- Proficient knowledge of a back-end programming language i.e Node.Js
- Experience with AWS services,Mongo DB
- Experience with RabbitMQ or similar queuing system
- Experience with Redis/ElasticSearch/PHP is a plus
- Familiarity with CI/CD pipeline tools like Jenkins
- Experience in handling a team
- Good at Design patterns, Algorithms, and Data structures.
- Have outstanding leadership skills, excellent people/communication, and negotiation skills
- Good knowledge of working with Git
- User authentication and authorization between multiple systems, servers, and
environments.
- Integration of multiple data sources and databases into one system
Management of the hosting environment, including database administration
and scaling an application to support load changes
.
Regards
Team Merito
The Back-end Developer primarily participates in designing and implementing new services as well as participates in customer delivery. It will be possible to influence your work profile based on your interests.
While not mandatory, a generic understanding of user interfaces and being able to position oneself as an end-user is highly desirable. We appreciate also prior knowledge of the Image Processing domain.
We are looking for well-rounded people who care about their craft and understand software development. While we value a formal degree in computer science we do not require one - a candidate with a strong background, open mind and ability to learn would be an ideal addition to our team.
That being said, here is what we think the ideal team member would be:
Responsibilities:
- Develop and Integrate Django backend and API's with frontend framework.
- Working closely with UX and Front-end Developers
- Participating in architectural, design and product development
- Designing and creating RESTful APIs for internal and partner consumption
- Working in an agile environment with an excellent team of engineers.
- Experienced with the Django REST framework
- Good experience of Python coding skills
- Hands on experience on designing and structuring of database most likely ORM (i.e MongoDB)
- Knowledge of how to build and use with RESTful APIs
- Strong knowledge of version control (i.e. git, etc.)
- Experience deploying Python applications into production.
- Working experience on Apache services.
- Knowledge of cloud services is a plus.
Qualification: Engineering from CSE/IT
Description:
1. Hands-on backend web and API development experience.
2. Has strong MySQL and Database knowledge.
3. Working experience in building and deploying applications on servers like AWS, etc.
4. Good understanding of architectural patterns (e.g., MVC) is required.
5. Good communication and analytical skills.
6. Experience in building REST APIs in NodeJS and/or TypeScript.
7. Code repositories management in GIT.
8. Provide leadership to the team around new approaches, workflows, and technologies.
9. Experience in client requirement analysis and estimating projects timeline and efforts.










