
● 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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At BigThinkCode, our technology solves complex problems. We are looking for talented back-end (node.JS) engineer to join our at Chennai.
Please find below our job description, if interested apply / reply sharing your profile to connect and discuss.
Company: BigThinkCode Technologies
URL: https://www.bigthinkcode.com/
Experience required: 3-4 years
Work location: Chennai
Joining time: Immediate – 4 weeks
Work Mode: Work from office / Hybrid
A skilled Node.js Developer with experience in building scalable applications using event-driven architecture within distributed systems. The ideal candidate should be comfortable in high-performance backend services and have a strong understanding of asynchronous programming patterns.
Experience or exposure to knowledge embedding and vectorization techniques is a strong plus, especially in the context of modern data-driven or AI-powered systems.
Must have skills:
- Hands on expertise in OOJS, node.js, distributed systems.
- Event drive architecture (EDA) microservices project experience MUST.
- Any programming: Typescript or nodeJS or Golang
- Hands on experience using docket containers and Kubernetes.
- Aware about Asynchronous and Loose Coupling.
- Familiar with API’s gateway and microservice design patterns.
Required Skills
- 3+ years of hands-on experience with Node.js
- Strong understanding of event-driven architecture and non-blocking I/O
- Experience working with distributed systems and microservices architecture
- Proficiency in RESTful API design and implementation
- Experience with databases such as MongoDB, PostgreSQL, or MySQL
- Experience with containerization tools like Docker and orchestration tools like Kubernetes
Key Responsibilities
- Design, develop, and maintain server-side applications using Node.js
- Build and optimize scalable, event-driven systems in distributed environments
- Implement asynchronous workflows, message queues, and pub/sub architectures
- Collaborate with cross-functional teams to define and deliver backend solutions
Good to Have
- Experience with knowledge embedding and vectorization techniques
- Familiarity with vector databases (e.g., Pinecone, Weaviate, FAISS)
- Understanding of cloud platforms (AWS, Azure, or GCP)
Why Join Us:
- Collaborative work environment.
- Exposure to modern tools and scalable application architectures.
- Medical cover for employee and eligible dependents.
- Tax beneficial salary structure.
- Comprehensive leave policy
- Competency development training programs.
Job Description: Software Engineer - Backend ( 3-5 Years)
Location: Bangalore
WHO WE ARE:
TIFIN is a fintech platform backed by industry leaders including JP Morgan, Morningstar, Broadridge, Hamilton Lane, Franklin Templeton, Motive Partners and a who’s who of the financial service industry. We are creating engaging wealth experiences to better financial lives
through AI and investment intelligence powered personalization. We are working to change the world of wealth in ways that personalization has changed the world of movies, music and more but with the added responsibility of delivering better wealth outcomes.
We use design and behavioral thinking to enable engaging experiences through software and application programming interfaces (APIs). We use investment science and intelligence to build algorithmic engines inside the software and APIs to enable better investor outcomes.
In a world where every individual is unique, we match them to financial advice and investments with a recognition of their distinct needs and goals across our investment marketplace and our advice and planning divisions.
OUR VALUES: Go with your GUT
●Grow at the Edge: We embrace personal growth by stepping out of our comfort zones to
discover our genius zones, driven by self-awareness and integrity. No excuses.
●Understanding through Listening and Speaking the Truth: Transparency, radical candor,
and authenticity define our communication. We challenge ideas, but once decisions are
made, we commit fully.
●I Win for Teamwin: We operate within our genius zones, taking ownership of our work
and inspiring our team with energy and attitude to win together.
Responsibilities:
• Contribute to the entire implementation process including driving the definition of improvements based on business needs and architectural improvements.
• Review code for quality and implementation of best practices.
• Promote coding, testing, and deployment best practices through hands-on research and demonstration.
• Write testable code that enables extremely high levels of code coverage.
• Ability to review frameworks and design principles toward suitability in the project context.
• Candidates who will demonstrate an ability to identify an opportunity lay out a rational plan for pursuing that opportunity, and see it through to completion.
Requirements:
• Engineering graduate with 3+ years of experience in software product development.
• Proficient in Python, Django, Pandas, GitHub, and AWS.
• Good knowledge of PostgreSQL, and MongoDB.
• Strong Experience in designing REST APIs.
• Experience with working on scalable interactive web applications.
• A clear understanding of software design constructs and their implementation.
• Understanding of the threading limitations of Python and multi-process architecture.
• Familiarity with some ORM (Object Relational Mapper) libraries.
• Good understanding of Test Driven Development.
• Unit and Integration testing.
• Preferred exposure to Finance domain.
• Strong written and oral communication skills.
- Providing technical guidance as well hands on management for all product development within the company.
- Identifying frameworks/ technologies/ languages/ libraries to be used to achieve desired goals.
- Underscores pros and cons of various technologies available and presenting arguments to management and technical team.
- Taking responsibility for refactoring existing code.
- Leading, managing and mentoring a team of 5+ engineers.
- Serving as a key member of the management team that sets the company's strategic direction.
- Defining standards & best practices to support agile development processes.
- Planning, tracking and estimating product development activities.
- Ensuring the optimal application of technology and engineering resources to meet product development and/ or customer requirements as per the product and/ or marketing requirements document.
- Ensuring that the product quality is world class at all times.
- Growing the internal information technology development organisation; managing and recruiting a multidisciplinary high-performance technology team.
- Developing RESTful backend services if needed
- Ensuring implementation of formal processes to support the product development process.
- Passionate about automated testing: Managing / driving testing - unit tests, system tests, regression.
- Performance Tuning/ Profiling: In-depth understanding of popular architectures SOA, RESTful, Microservices, Messaging Bus.
What you need to have:
- B.E / B.Tech or similar qualification from a premier institute.
- Good communication skills.
- Self-starter, Highly motivated.
- People Management skills.
- Go-getter attitude.
- 3 - 7 years of hands-on development experience in backend development with a track record of solid technical accomplishments. Node.js experience will be preferred.
- Knowledge of multiple programming languages will be preferred.
- Knowledge of Caching solutions Redis, Memcache
- Databases experience - MySQL/NoSQL, RabbitMQ, Kafka.
- Capability to present different architecture for the same problem.
- Knowledge of popular front end MVC technologies.
- Understanding of production level problems and their possible solutions
Responsibilities:
- Develop, record and maintain cutting edge web-based Node Js applications on service platforms.
- Building resilient Rest APIs microservice architecture.
- Use test-driven development and acceptance tests to ensure feature quality.
- Coordinate with co-developers and keep project manager well informed of the status of development effort and serve as the liaison between development staff and project manager
- Keep abreast of new trends and best practices in development.
Skills Required:
Ms-SQL, MongoDB, AWS services (S3 Batch, Lambda, Fargate), Nest Js, Express Js, Typescript.
Desired candidates must have 2-6 years experience as NodeJs Developer. If the candidate is not able to relocate to Gurgaon then we can also provide permanent Work from home for this position.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
What candidate should know about:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus
About the role: We’re looking for a Node.Js Developer who can adapt to new tech stacks and innovate with cutting-edge technology solutions, to build eCommerce platforms that are unique, disruptive, and powerful.
What you'll do:
● Integrate user-facing elements developed by front-end developers with server-side logic
● Write reusable, testable, and efficient code
● Design and implement low-latency, high-availability, and performant applications
● Implement security and data protection integrations
● Integrate data storage solutions such as databases, key-value stores, blob stores, etc.
● Optimize components for maximum performance across a vast array of web-capable devices and browsers
● Ensure high performance and responsiveness to requests from the front-end.
What you'll need:
● Bachelor's degree with minimum 3 years of work experience as a Node Js.
● Strong proficiency in JavaScript or Typescript
● Understanding of Node.js and its frameworks such as Express or StrongLoop
● Understanding of the nature of asynchronous programming and its quirks and workarounds
● Basic understanding of front-end technologies, such as HTML5, and CSS3
● Understanding of accessibility, security compliance, user authentication and authorization between multiple systems, servers, and environments
● Understanding fundamental design principles behind a scalable application
● Understanding of code versioning tools, such as GIT
● Integration of multiple data sources and databases into one system
● Understanding of the differences between multiple delivery platforms, such as mobile and desktop and its optimization output
● Knowledge on creating database schemas that represent and support business processes
● Knowledge on implementing automated testing platforms and unit tests
Who Should Consider Joining:
● If you like challenges and think from a first principle basis,
● If you are driven to take ownership and are adept at rolling with the punches,
● If you have the aspiration to grow fast in the dynamic environment of a start-up,
● If you are a collaborative team member, who believes in collective success,
● If you are someone who makes objective, fact-based decisions
Who should not consider joining:
● If the role description does not excite you, then you should not join us
● We are a startup and things will move fast. If you are not comfortable in a fast-paced environment, then you should not join us
● If you are not a self-starter who is willing to learn & experiment more, then you should not join us.
What We Offer:
● Limitless growth and learning opportunities
● Exposure to cutting edge technology solutions and upcoming stacks in the market
● In house technical training on GIT, Automated Testing, Code Coverage, Language Training and much more
● A collaborative and positive culture — Your team will be as smart and driven as you.
● Guidance and mentorship from industry experts and renowned IIT Alumnus
● An opportunity to make an impact — Your work will contribute directly to our strategy and growth
Senior Ruby On Rails Developer
(Senior Product Engineer - ROR)
Experience - 3 to 6 years
Location - Pune
We are looking for an enthusiastic developer with a strong understanding of core Ruby and Rails framework along with PostgreSQL database. Someone who is passionate about coding and loves to work in an ongoing challenging environment. You will be part of a talented software team. You have to consistently deliver in a fast paced environment and should be more than willing to build software that people love to use.
Key Responsibilities
The individual role that you’ll play in our team:
- Developing large multi-tenant applications in Rails.
- Understanding Rails best practices and religiously introducing those to our codebase.
- Knowledge on how to do effective Refactoring.
- Ability to write unit tests and following those practices religiously.
- Working closely with the Product managers and UX team.
- Helping QAs to write automated integration tests.
- Staying up-to-date with current and future Backend technologies and architectures.
Read the ‘Skills and Experience’ section, it is not the usual yada yada, you’ll be asked specific questions on these.
Skills and Experience
- Ruby on Rails architecture best practices
- Knowledge on the latest versions on ROR
- Strong OOP knowledge in Ruby.
- Asynchronous Networking in Ruby
- Designing RESTFul HTTP APIs using JSON-Schema or JSON API (http://jsonapi.org/">jsonapi.org).
- Ability to architect and develop API only backend
- Experience in using ActiveRecordSerializer
- Understanding O-Auth2 or JWT (Json Web Token) authentication mechanisms.
- How to use RSpec
- Rails Security Best Practices
- PostgreSQL and Rails.
- SQL concepts like Joins, Relationships etc.
- Understanding DB Partition strategies.
- Knowledge about refactoring ActiveRecord Models (read this - “7 Patterns to Refactor Fat ActiveRecord Models”).
- Understanding scaling strategies for a high-traffic Rails applications (2 million+ requests a day).
- Background Job processing using Redis and Sidekiq
- Experience in using Amazon Web Services (AWS) tools.
- Writing automated Deployment Scripts using Capistrano, Ansible etc.
- Sending emails in Rails
- Knowledge in Linux and Git is mandatory
Optional Skills
- Knowledge in using Chef or Puppet
- Ability to do basic DevOps like setting up a Linux server.
- Websocket communication in Rails 5.
- Node.js
- JRuby
Scalefusion (formerly known as Mobilock Pro): (Our Flagship Product)
Scalefusion MDM allows organizations to secure & manage endpoints including smartphones, tablets, laptops, rugged devices, mPOS, and digital signages, along with apps and content. It supports the management of Android, iOS, macOS and Windows 10 devices and ensures streamlined device management operations with InterOps. Fusion of Endpoints at Scale.
Promobi Technologies:
ProMobi Technologies provides a leading Mobile Device Management Solution under the brand Scalefusion. The solution allows organizations to manage Android and iOS devices from the cloud. It offers modern mobile device management (MDM), application management (MAM) and content management (MCM) experience for corporate-owned devices. Renowned organizations from startups to Fortune 500 trust Scalefusion for their Device Management.











