
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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3. MySQL
4. Mentions of, distributed systems, scalable systems
5. Mentions of ElasticSearch, Kafka or Redis
6. NoSQL databases like Cassandra/DynamoDB/MongoDB/Hbase etc
7. Mentions of Handling scale/scalable systems
9. Mentions of AWS or Amazon web services.
Description: Design, build and configure applications to meet business process and application
requirements.
Job Location - Hyderabad & Ahmedabad
What you'll do:
- Perform complex application programming activities with an emphasis on mobile development: Node.js, TypeScript, JavaScript, RESTful APIs and related backend frameworks
- Assist in the definition of system architecture and detailed solution design that are scalable and extensible
- Collaborate with Product Owners, Designers, and other engineers on different permutations to find the best solution possible
- Own the quality of code and do your own testing. Write unit test and improve test coverage.
- Deliver amazing solutions to production that knock everyone’s socks off
- Mentor junior developers on the team
What we’re looking for:
- Amazing technical instincts. You know how to evaluate and choose the right technology and approach for the job. You have stories you could share about what problem you thought you were solving at first, but through testing and iteration, came to solve a much bigger and better problem that resulted in positive outcomes all-around.
- A love for learning. Technology is continually evolving around us, and you want to keep up to date to ensure we are using the right tech at the right time.
- A love for working in ambiguity—and making sense of it. You can take in a lot of disparate information and find common themes, recommend clear paths forward and iterate along the way. You don’t form an opinion and sell it as if it’s gospel; this is all about being flexible, agile, dependable, and responsive in the face of many moving parts.
- Flexible and willing to accept change in priorities, as necessary
- Demonstrable passion for technology (e.g., personal projects, open-source involvement)
- Enthusiastic embrace of DevOps culture and collaborative software engineering
- Ability and desire to work in a dynamic, fast paced, and agile team environment
- Enthusiasm for cloud computing platforms such as AWS or Azure
- Excellent written and verbal communications skills
Preferred Qualifications:
- Experience with Apache Cordova framework
- Demonstrable knowledge of native coding background in iOS, Android
- Experience developing and deploying applications within Kubernetes based containers
- Experience in Agile and SCRUM development techniques
WHO WE ARE
We are a team of digital practitioners with roots stretching back to the earliest days of online commerce, who dedicate themselves to serving our client companies.
We’ve seen the advancements first-hand over the last 25 years and believe our experiences allow us to innovate. Utilizing cutting-edge technology and providing bespoke, innovative services, we believe we can help you stay ahead of the curve.
We take a holistic view of digital strategy. Our approach to transformation is based on conscious Intent to delight customers through continuous Insight and creative Innovation with an enduring culture of problem-solving.
We bring every element together to create innovative, high-performing commerce experiences for enterprise B2C, B2B, D2C and Marketplace brands across industries. From mapping out business and functional requirements, to developing the infrastructure to optimize traditionally fragmented processes, we help you create integrated, future-proofed commerce solutions.
WHAT YOU’LL BE DOING
As part of our team, you'll play a key role in building and evolving our Integration Platform as a Service (iPaaS) solution. This platform empowers our clients to seamlessly connect systems, automate workflows, and scale integrations with modern cloud-native tools.
Here’s what your day-to-day will look like:
- Designing and Building Integrations
- Collaborate with clients to understand integration needs and build scalable, event-driven solutions using Apache Kafka, AWS Lambda, API Gateway, and EventBridge.
- Cloud-Native Development
- Develop and deploy microservices and serverless functions using TypeScript (Node.js), hosted on Kubernetes (EKS) and fully integrated with core AWS services like S3, SQS, and SNS.
- Managing Data Pipelines
- Build robust data flows and streaming pipelines using Kafka and NoSQL databases like MongoDB, ensuring high availability and fault tolerance.
- Client Collaboration
- Work directly with customers to gather requirements, design integration patterns, and provide guidance on best practices for cloud-native architectures.
- Driving Platform Evolution
- Contribute to the ongoing improvement of our iPaaS platform—enhancing observability, scaling capabilities, and CI/CD processes using modern DevOps practices.
WHAT WE NEED IN YOU
- Solid Experience in Apache Kafka for data streaming and event-driven systems
- Production experience with Kubernetes (EKS) and containerized deployments
- Deep knowledge of AWS, including S3, EC2, SQS, SNS, EventBridge, Lambda
- Proficient in TypeScript (Node.js environment)
- Experience with MongoDB or other NoSQL databases
- Familiarity with microservices architecture, async messaging, and DevOps practices
- AWS Certification (e.g., Solutions Architect or Developer Associate) is a plus
Qualification
- Graduate - BE / Btech or equivalent.
- 5 to 8 years of experience
- Self motivated and quick learner with excellent problem solving skills.
- A good team player with nice communication skills.
- Energy and real passion to work in a startup environment.
Visit our website - https://www.trikatechnologies.com
Job Title: Lead – Application Engineering
Remote | Chennai | Hyderabad | Bangalore
Tiger Analytics is a global AI and analytics consulting firm. With data and technology at the core of our solutions, our 2800+ tribe is solving problems that eventually impact the lives of millions globally. Our culture is modelled around expertise and respect with a team-first mindset. Headquartered in Silicon Valley, you’ll find our delivery centres across the globe and offices in multiple cities across India, the US, the UK, Canada, and Singapore, including a substantial remote global workforce.
We’re Great Place to Work-Certified™. Working at Tiger Analytics, you’ll be at the heart of an AI revolution. You’ll work with teams that push the boundaries of what is possible and build solutions that energize and inspire.
Curious about the role? What your typical day would look like?
As an Application Engineer, you will work with our Application Engineering team on designing and developing web applications.
More specifically, you might:
- Collaborate with the business analysts and technical managers to understand functional, non-functional requirements, and scope.
- Design and develop multi-tier, cloud-native, high performance, and scalable solutions
- Involve in building world class and robust solutions by applying benchmarking software engineering principles and design patterns.
- Lead cross functional agile teams across the software development lifecycle
- Analyse design alternatives using proof-of-concepts, and engage with architects to choose the best optimal solutions
- Obsess about writing high-quality code and performing reviews of the design and code.
- Interact and collaborate with project/program managers to estimate, plan, and reduce technical concerns at the module or project level.
- Ideate with your peers. Being supportive of their work and providing constructive feedback on their solutions
What do we expect?
- 4+ years of experience
- Experience in building scalable, reliable, and high-performance web applications.
- A desire to write clean yet simple programs using Java / .Net core / Python with Django or Flask
- Keen interest in creating web servers using Node.js / Nginx
- A passion to store, organize, and process information by using database technologies - MySQL / Oracle / PostgreSQL / MongoDB
- Experience in creating and designing test cases using Junit/ Selenium
- Exposure to Cloud environments - AWS / Azure / GCP
- Good understanding of working with API design and development
You are important to us, let’s stay connected!
Every individual comes with a different set of skills and qualities so even if you don’t tick all the boxes for the role today, we urge you to apply as there might be a suitable/unique role for you tomorrow.
We are an equal opportunity employer. Our diverse and inclusive culture and values guide us to listen, trust, respect, and encourage people to grow the way they desire.
1. As a founding backend engineer, tackle a wide range of technical challenges: from
designing powerful new integrations to scaling our real-time web service to hundreds
of users
2. Build high-impact, end-user features that vastly improve user productivity.
3. In a small cross-functional team you will collaborate closely to discuss the feasibility
and direction of prototypes or planned product features.
4. Address complex problems at both an application and system-level, and maintain
existing codebases
5. Work directly with CTO to set the tone for the engineering culture and create
processes for improving engineering standards
This role is tailor-made for you if
1. You have a work experience of 3+ years as a Backend Developer
2. You have hands-on experience with Node JS, Golang will be a plus
3. Demonstrated fluency with REST APIs, third-party libraries, and client/server
architectures
5. You have experience with maintaining backend microservices
6. You are comfortable conducting code reviews and giving feedback to ensure high
standards of code maintainability and extensibility
7. You are energized by ambiguity and can create structure in a dynamic, fast-paced
environment
8. You’ve high confidence, low ego, and are generally a good human being :)
You earn brownie points if
1. You love Slack (we are a Slack first company)
2. You have been part of an early/mid-stage start-up before
3. You love TechCrunch. We are obsessed with reading and talking about startups
4. You have created some amazing open-source projects
What You'll do:
- 4+ years of experience building scalable backends using Nodejs
- In-depth knowledge of any framework of Nodejs (i.e. Express, Hapi, Koa.js)
- Hands on experience with developing REST APIs using Node.js and any of the above framework
- Should have experience with Socket.IO
- Familiar with oauth integration Social Networking API (Facebook, Twitter, Linked In, Google+)
- Good understanding of standard authentication systems such as OAuth2 and JWT
- Knowledge of server-side templating (e.g. Jade, Handlebars.js, etc.)
- Should have understanding of model, caching, async mechanisms
- Hands-on experience with implementing Role based User authentication and authorization system
- Understanding of caching, database interactions, middlewares
- Able to engineer the best performing solutions and always keeping scalability in mind
What makes you a great fit:
- Strong problem solving skills
- Knowledge of data structures and algorithms
- Hungry for more responsibility and knowledge
- Passion for building robust systems that are engineered to handle failure scenarios, an undying love and attitude for maintaining coding standards
- Strong advocate for producing quality software who makes sure issues are raised and resolved
- Experience with at least one of the cloud platforms like AWS, GCP, Azure, Digital Ocean etc. (docker, Kubernetes, microservice good to have)
Must have skillsets:
Skills : NodeJs
Experience required: + years
Job Type: Full time/ Permanent
Perks and Benefits :
- 5 days working.
- Flexible shift timings
- Company-sponsored certifications.
- Team friendly culture
- Flat hierarchy
- Carrom, Table tennis games, Cricket Tournament Participation for interested employees
- Snack-filled pantry for team members
- Group Medical Insurance (*)
Key Responsibilities & Requirements
You should primarily be a backend developer or full stack developer, very good at code reviews and code optimization. Our products depend on processing large amounts of data and having fast response times is absolutely essential.
You will have the opportunity to
- Take responsibility of building systems for scale
- Manage our backend systems and database optimizations
- Assist in key decisions and design architecture that drives development across products
- Define processes and help with efficient functioning of the team
- Work with cross-functional teams to ensure the products are scalable, maintainable and secure
What we expect from you:
- We work on Ruby on Rails but you can have 2+ years of experience as backend developer in any language
- Have a solid grasp of OOP, databases and automated testing methodologies.
- Know how to manage sprint and ensure tasks are completed within the timeline
- Design and implementation of low-latency, high-availability, and performant applications
- Strong understanding of SQL databases
- Proficient knowledge of various authentication methods like JWT, OAuth etc..
- Perform peer code reviews and Code audit - Analyze existing code and remediate performance issues within existing applications
Having seen over 10x growth in 2021 alone, we are expanding our scope of products to cater to the fast growing creator economy and help creators monetize in ways beyond influencer marketing. We are also looking at tremendous growth in the next few years, standing at the verge of building something huge!
Come join our team of developers if a fast learning environment in a high growth industry excites you.
About Winkl
Please check out our product before applying to this position -
* Website - https://winkl.co
* Team - https://winkl.co/about
* Android App - https://play.google.com/store/apps/details?id=co.winkl.app&hl=en
* iOS App - https://www.winkl.co/app
Winkl is a technology company that is changing how influencer marketing is done. From a manual process earlier to an automated and data-driven process with Winkl. More on this here.
Leveraging data & technology helps Winkl scale influencer marketing to a level that wasn't possible earlier. This has helped Winkl power influencer campaigns for top brands in India like Flipkart, Amazon etc.
Culture & Expectations
* At Winkl, no one tells you what to do. We don't micromanage. We don't spoon feed. As long as you're willing to learn new things, are proactive, initiate activities on your own, make mistakes and learn from them, take responsibility, stick to your word of getting things done, we think you'd be a great fit at Winkl.
* On a day to day basis, you'll get to be an important part of a high growth startup as it scales.
* You'll receive all possible support from your team at Winkl to help you succeed.
* Being highly accountable is a non-negotiable requirement
#Skills-
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Strong Knowledge of Back-end technologies (Node JS).
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
#ExperienceRequired:-
- Minimum 1.5+ years of experience in Project Management
#Responsibilities:-
- Set project timeline
- Monitor project deliverables
#Qualifications:-
- Bachelor's Degree or equivalent experience
- Strong business acumen in project planning and management
- Strong verbal, written, and organizational skills
#fivedaysworking
#workfromoffice
#location-Mohali
#Industry:-
Information Technology & Services.









