
Position: Full Stack BlockChain Developer
Location: Remote ( Work from Home)
Job Details:-
- Expert with DeFi, NFT and latest Crypto Concepts. Should have working experience on these concepts
- Strong knowledge with Smart Contract best practices
- Experience with React JS & Node JS Required (We prefer MERN Stack). Having TypeScript experience would an advantage
- If you have an understanding of AWS and how setup and deployment of Project elements work, would be an advantage.
- Knowledge of GitHub is must.
Roles & Responsibilities:
- Handle the solidity
- Should be able to write smart contracts
Specfic Skill set required: Exp. In working polka dot & binance smart chains will be advantage.
If you posses the above mentioned required skill sets & want to grow along with our fast paced growing Organisation then please share your updated CV.

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Role & Responsibilities:
As a Full Stack Developer Intern, you will take on significant responsibilities in the design, development, and maintenance of web applications using Next.js, React.js, Node.js, PostgreSQL, and AWS Cloud services. We seek individuals who are self-motivated, energetic, and capable of delivering high-quality work with minimal supervision.
- Develop user-friendly web applications using Next.js and React.js.
- Create and implement RESTful APIs using Node.js.
- Write high-quality, maintainable code while adhering to best practices in software development.
- Deliver projects on time while maintaining a strong focus on performance and user experience.
- Manage data effectively using PostgreSQL databases.
- Code Quality & Reviews: Maintain code quality standards and conduct regular code reviews to ensure the delivery of high-quality, error-free code.
- Performance Optimization: Identify and troubleshoot performance bottlenecks to ensure a seamless and lightning-fast platform experience.
- Bug Fixing & Maintenance: Monitor platform performance and proactively address any issues or bugs to keep the platform running flawlessly.
- Contribute innovative ideas and solutions during team discussions and brainstorming sessions.
- Communicate openly and honestly with team members, sharing insights and feedback constructively.
- Stay updated on emerging technologies and demonstrate a willingness to learn more.
Qualification:
- Graduate/Post-Graduate with a degree in Computer Science, Software Engineering, or a related field.
- Proficiency in HTML, CSS, JavaScript, and modern front-end frameworks (specifically Next.js and React.js).
- Strong knowledge of back-end technologies such as Node.js and Express.js.
- Experience with relational databases, particularly PostgreSQL.
- Familiarity with AWS Cloud services is a plus.
- Excellent problem-solving skills with a proactive approach to challenges.
- Proven ability to troubleshoot and resolve complex technical issues.
- Strong communication skills with the confidence to share ideas openly.
- High energy level and passion for contributing to the company’s success with integrity and honesty.
- Startup Enthusiast: Embrace the fast-paced and dynamic environment of a startup, driven by a passion for making a positive impact.
SleekSky is a fast-growing engineering studio that partners with venture-backed product teams to ship modern, cloud-native software. We’re hiring a Software Engineer to join one of our health-tech clients and help build a scalable, user-centric platform that’s making a real-world impact—without revealing any confidential project details.
What you’ll do
- Build and ship production-ready React features that feel fast, accessible and polished.
- Design and maintain Node.js / Express APIs that are clean, secure and well-documented.
- Leverage AWS services (EC2, Lambda, Elastic Cache / Redis, load balancers, etc.) to deliver reliable, high-performance solutions.
- Automate CI/CD pipelines with GitHub Actions and uphold strong Git workflows.
- Collaborate in an agile, fully remote team that values code reviews, knowledge-sharing and continuous improvement.
- Champion engineering best practices—testing, monitoring, and infrastructure-as-code—while keeping an eye on new tech that can raise the bar.
What you’ll bring
- 2+ years of hands-on experience in full-stack development.
- Proven expertise with React (hooks, component architecture, state management) and modern JavaScript/TypeScript.
- Solid experience building RESTful services in Node.js with Express (or similar).
- Familiarity with AWS fundamentals (EC2, Lambda, load balancing, caching layers).
- Comfortable with Git, GitHub and automated CI/CD pipelines (e.g., GitHub Actions).
- Self-motivated, proactive and enthusiastic about learning new technologies and sharing knowledge with the team.
- Clear, concise communication skills—vital for an all-remote environment.
Nice-to-haves
- Experience with infrastructure-as-code (Terraform, CloudFormation, CDK).
- Exposure to containerisation (Docker, ECS, EKS) or serverless architecture patterns.
- Prior work in health-tech or other regulated domains.
Why SleekSky?
At SleekSky, you’ll join a culture that puts people first—pair programming, regular knowledge-sharing sessions and a genuine passion for building things the right way. Expect autonomy, trust and a runway to grow your craft alongside enthusiastic peers.
Ready to level up with SleekSky? Submit your résumé on your preferred hiring portal and we’ll be in touch right away.
- 2 years of strong development background building complex applications.
- Proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Experience building applications using NodeJS and frameworks such as Express.
- Thorough understanding of React.js and NodeJS including its core principles.
- Ability to understand business requirements and translate them into technical requirements.
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial).
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Strong experience with MongoDB, Postgres
- Developing new user-facing features using React.js
- Thorough understanding of React.js & popular Workflows (such as Flux or Redux)
- Building reusable components and front-end libraries for future use
As a Full-stack Developer, you will be involved in designing and implementing web/cloud applications. You will be responsible for designing, programming and technically guiding the team. You will be working with a broad spectrum of technologies in a fast-moving environment.
You must possess:
- 2 to 5 years of professional experience in web application development
- good logical and problem-solving skills.
- working experience in building enterprise-scale, multi-tier, distributed applications.
- hands-on experience in Agile software development methodology including implementing CICD processes.
- good communication skills.
You should be able to:
- work in teams and coordinate activities effectively with members
- experiment with new technologies
- learn new skills on the fly
- work with a dynamic fast-paced team
- make technological recommendations based on thorough research
- write and debug asynchronous and multi-threaded code
You will:
- Analyze requirements and translate them into tasks for subordinates.
- Independently think of solutions to complex requirements.
- Diagnose and troubleshoot issues related to application stability, scalability, and availability.
- Understand source code and improve the code-review process.
- Grow and train a competent development team.
- Introduce new technologies, processes, and tools to the organization.
- Proactively identify defects and weaknesses within the application and suggest remediation.
General technical requirements:
- Good exposure to server-side frameworks and libraries used by C#, Java, Node, Python, PHP, and Ruby. Preference will be given to candidates with working experience with .NET Core MVC/Web-API.
- Good exposure to client-side frameworks such as Angular, React, Vue, and Backbone
- Experience in writing optimized queries for databases like SQL Server, MySQL/MariaDB, Postgres, and others
- Experience in working with NoSQL databases such as MongoDB, CouchDB, Cassandra, and others.
- Experience in working with one or more build tools like Ant, Maven, MSBuild, Make/CMake, Gulp, and other such tools
- Experience with implementing CI/CD using tools such as Ansible, Jenkins, TeamCity, and other such tools
- Working knowledge of Docker and good containerization concepts
- Have hands-on experience in using the *NIX shell to create/execute scripts and perform basic configuration and system troubleshooting.
Professional development experience, working the Full stack on large scale B2B, SaaS products. • Expertise with learning new technologies and strong experience with our tech stack AngularJS, JavaScript, Node.js, Go, React.js and Postgres. • Bachelor’sin Computer Scienceorsolid knowledgeof CS fundamentals(OOP, designpatterns, algorithms, etc...) • Experience and adesire towork in a fast-paced environment. • We are a leading cloud-based open platform used by some of the most prestigious companies around • You will get to work with some of the most complex technologies on the market today • You will have an opportunity to work at all levels of the organization.
The desired candidate will have a passion to host and handle large scale web applications and should be able to deliver a complete end to end solution right from the front end, back end, database management, and its deployment and scalability.
Roles and Responsibilities :
- Ability to translate Wireframes and PSD Designs into functional web apps.
- Binding of UI elements to JavaScript object models.
- Creating RESTful services with Node.js.
- MERN stack developer must have proven experience in front & back-end development.
- Work in a cross-functional team to deliver a complete user experience.
- React.js, Node.js developer must know MongoDB, Express, Node.js, & React.
- Create Unit and Integration tests to ensure the quality of code.
- Be responsive to change requests and feature requests.
- Write code that is cross-platform and cross-device compatible.
- MERN full stack developer must have the ability to wear many hats and learn new technologies quickly.
- For MERN stack developer job, candidate must have good Knowledge of Node Debugging.
- Understanding & proficiency in REST APIs.
- MERN stack developers should know Git Repository and Jira.
- Integration of data storage solutions (RDBMS, NoSQL DB).
Desired Candidate Profile :
- Excellent in basic programming in any web technology Server and Client Like ReactJS/NodeJS/VueJS and Server-side scripts.
- Basic knowledge in APIs, Micro Services.
- Hands-On experience in Web development frameworks.
- Hands-On in Database queries and concepts.
- Understanding of performance testing and optimization techniques.
Perks and Benefits :
- No salary bar for deserving candidates.
- 5 days working.
- Paid and leave encashment facility available.
- Open work culture.
Front End developers
- Angular.JS experience
- MongoDB query and aggregation experience (not a database administrator)
- GraphQL experience
- Node.JS and Typescript experience
- CSS and SCSS experience
- CI/CD experience with GitHub actions
Backend Developers:
- Software development experience, one of Python (preferred) or Node.JS/Typescript)
- Experience with Messaging architectures - RabbitMQ (preference) or Kafka
- Experience with docker-containers
- Experience with Apache NiFi (valued but not necessary)
- Experience with designing or implementing horizontally scalable solutions
- Experience working with RESTful APIs
- CI/CD experience with GitHub actions
- Experience with Azure cloud
Interns are open to apply
Desired Skills :
- Strong hands-on experience into React Native, React JS, JavaScript development experience
- Having knowledge of Gatsby and Strapi are added advantage
- Understanding of Web Services and RESTful APIs to connect mobile applications to backend services
- Experience in native build tools, like XCode, Android Studio
- Strong experience in JavaScript, HTML, and CSS
- Proficient with mobile application lifecycles
- Strong ability to learn new technologies in a short time
- Ability to adapt to a fast paced continually changing business and work environment while managing multiple priorities
Key Skills :
- React Native, ReactJS, JavaScript, CSS, HTML, AJAX, jQuery, XML, Gatsby, NodeJS, PostgreSQL
Company Profile:
Saffron Tech Private Limited
Saffron Tech is a result driven digital transformation company in New Jersey (NJ) & New Delhi. We are known for transforming businesses to digitization. We are providing development services and IT solutions to its clients across the globe. Being in the field of IT for more than 10 years now, the company has successfully executed over 1500 projects for its clients. Saffron Tech Pvt Ltd is a multi-faceted IT firm adept at providing Web and Mobile Application Development, IT Offshore Staffing and Digital Marketing Services.
We are servicing over 500 clients from across the globe. We are a strong 150+ member family at the moment working from state of the art office premises close to Saket, South Delhi. Our primary operational markets are USA, UK, APAC and Middle East. To know more about us and our brands please visit http://www.saffrontech.net/" target="_blank">http://www.saffrontech.net/
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems
- Good experience as a MEAN Stack Developer.
- In depth experience in NodeJS, ExpressJS, Angular, Mongo DB, JavaScript.
- Experience implementing applications using Angular 1 or React
- Experience creating front end applications using HTML5, Angular, LESS/SASS
- Hands on experience with JavaScript Development on both client and server-side
- Experience with modern frameworks and design patterns, minimum one-year experience with MEAN Fullstack paradigm.











