

Job Title: Senior Blockchain Developer
Job Description:
We are seeking a highly skilled Senior Blockchain Developer to join our team. The ideal candidate will have extensive experience in Ethereum, Bitcoin, Solana, and related technologies, with a strong focus on smart contracts and node setup. The candidate should be proficient in Solidity using tools like Hardhat or Foundry, as well as possess expertise in NodeJS. Experience with Rust, and Golang is considered a significant advantage.
Responsibilities:
- Develop and deploy smart contracts on Ethereum, Bitcoin, and Solana blockchains.
- Configure and maintain blockchain nodes for optimal performance.
- Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.
- Write clean, efficient, and maintainable code in Solidity, NodeJS, and other relevant languages.
- Stay updated on the latest developments and trends in blockchain technology.
- Contribute to the design and architecture of blockchain-based applications.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field.
- Minimum of 3 years of experience working with blockchain technologies.
- Proficiency in Ethereum, Bitcoin, and Solana blockchains.
- Strong understanding of smart contracts and their implementation.
- Experience with Solidity using Hardhat or Foundry.
- Solid knowledge of NodeJS.
- Familiarity with Rust, Golang, and Hyperledger is a plus.
- Excellent problem-solving and analytical skills.
- Ability to work both independently and collaboratively in a fast-paced environment.
- Strong communication and interpersonal skills.
If you possess the required skills and are passionate about blockchain technology, we encourage you to apply for this exciting opportunity.
Join us in shaping the future of decentralized applications and blockchain solutions.

About Ment Tech
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Position : Full Stack Developer (Node.js + React.js)
Experience : 5+ Years
Location : Gurgaon (Work From Office - 5 Days)
Notice Period : Immediate or within 7 days
Job Description :
We are looking for a highly skilled and passionate Full Stack Developer with strong experience in Node.js and React.js, and a solid understanding of Microservices Architecture.
This is a full-time, on-site opportunity based in Gurgaon, ideal for someone who thrives in a fast-paced development environment.
Mandatory Skills :
Node.js, React.js, JavaScript (ES6+), RESTful APIs, Microservices Architecture, MongoDB/PostgreSQL, Git, HTML5, CSS3, JWT
Key Responsibilities :
- Design, develop, test, and maintain scalable web applications using Node.js (backend) and React.js (frontend).
- Build and integrate RESTful APIs and Microservices in a production-grade environment.
- Participate in code reviews, architecture discussions, and performance optimizations.
- Collaborate with cross-functional teams including UI/UX designers, QA, DevOps, and product managers.
- Write clean, maintainable, and reusable code adhering to best practices.
- Ensure system reliability, security, scalability, and performance.
- Debug and resolve production issues efficiently.
Must-Have Skills :
- 5+ Years of full-stack development experience with Node.js and React.js.
- Strong expertise in JavaScript, ES6+, HTML5, CSS3, and responsive design.
- Solid hands-on experience in Microservices Architecture and containerized services (Docker, Kubernetes is a plus).
- Proficiency in RESTful API development and integration.
- Experience with databases such as MongoDB, PostgreSQL, or MySQL.
- Familiarity with version control tools like Git and CI/CD pipelines.
- Understanding of Agile/Scrum methodologies.
Good to Have :
- Knowledge of authentication/authorization mechanisms (OAuth, JWT).
- Exposure to cloud platforms like AWS, Azure, or GCP.
- Familiarity with testing frameworks such as Jest, Mocha, or Cypress.

About Us:
At Sublime Data Systems, we are dedicated to creating scalable, enterprise-level software solutions that drive innovation and growth. We are seeking an experienced Fullstack Engineer to join our dynamic team. As a core member of our cross-functional unit, you will play a pivotal role in the entire development life cycle, from conception to deployment. Your leadership will be essential in mentoring and guiding our team towards excellence. If you are passionate about coding, thrive in an entrepreneurial environment, and possess expertise in front-end and back-end technologies, we would love to meet you.
Key Responsibilities:
- Architect and develop robust, scalable, and efficient web applications using Node.js and React.js.
- Lead a team of developers in the design, development, testing, and deployment of high-performance web applications.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
- Stay up-to-date with emerging technologies and industry trends to drive innovation and excellence in our products.
- Conduct code reviews to ensure code quality and adherence to best practices.
- Mentor and coach team members to foster a culture of continuous learning and growth.
- Troubleshoot and resolve complex technical issues, ensuring seamless application performance.
Qualifications:
- Bachelor's degree in Computer Science, Engineering, or a related field.
- Minimum of 5 years of experience in full-stack web development.
- Proficiency in Node.js, Express, Nest.js, React.js, and Next.js along with expertise in Typescript.
- Proven experience leading a team of engineers in a fast-paced, agile environment.
- Strong understanding of software development best practices, design patterns, and architectural principles.
- Extensive experience with front-end technologies such as HTML, CSS, and JavaScript.
- In-depth knowledge of RESTful APIs and experience with API integration.
- Expertise in utilizing modern development tools and deploying workflows, such as Git and CI/CD pipelines.
- Familiarity with message broker systems like RabbitMQ.
- Proficiency in databases such as Postgres or MySQL.
- Experience with ORM Frameworks like Sequelize or Typeform.
- Experience with microservices architecture.
- Experience with DevOps (AWS) practices
- Excellent problem-solving and debugging skills.
- Strong communication and leadership abilities.
Benefits:
- Positive work environment
- Encourage and sponsor learning and development programs
- Chance to work with advanced technology



Responsibilities :
- Work with development teams and product managers to ideate software solutions.
- Develop and maintain scalable software solutions with Ruby on Rails as the core technology stack.
- Develop strong analytical and problem-solving skills to tackle challenges in development.
- Utilize Docker containers for efficient environment management and deployment.
- Test software to ensure responsiveness and efficiency.
- Implement and maintain database solutions in MySQL and PostgreSQL
- Test and ensure that the application works correctly across different browsers and devices.
- Build and optimize user interfaces using React.js with a focus on performance and user experience.
- Integrate multiple data sources and databases into one system
- Ensure robustness, performance, and security of the applications.
- Take full responsibility for project deliverables from conception to deployment.
- Design user-side and server-side architecture.
- Maintain code integrity and organization, including performing code reviews and enhancing code quality.
Requirements :
- Demonstrable skills with Node.js and React.js, building and maintaining complex solutions.
- Experience with Docker and containerized environments.
- Strong knowledge of MySQL and/or PostgreSQL.
- Excellent debugging and problem-solving skills.
- Capacity to work effectively both as an individual contributor and within a collaborative team environment.
- Eagerness to take full ownership of deliverables, ensuring high-quality outputs.
- Great attention to detail Organizational skills.
Qualifications :
- Internship or 6 months experience as a full stack developer working with ruby on rails.
- Experience developing and deploying dynamic and responsive web applications.
- Strong communication skills, detail-oriented mindset, and a passion for delivering high-quality software.
- A bright and passionate mind with relevant prior experience in web development (frontend, backend and database management) is welcome to apply.
- Ability to thrive in a fast-paced work environment, adapting to varying demands with resilience.


Steinbeis India
Position: Senior Full Stack Developer
Experience: 2-5 years
Salary: Based upon Industry Standards (Best in Industry)
Job Description: Senior Full Stack Developer (MERN Stack)
We are seeking a highly skilled and experienced Senior Software Developer with a strong background in MERN Stack (MongoDB, Express.js, React.js, and Node.js) development.
Responsibilities:
- Lead and manage a development team, delegating tasks and ensuring effective collaboration.
- Design, develop, and maintain efficient and scalable web applications using the MERN Stack.
- Write clean, well-documented, and high-performing code while adhering to best practices and coding standards.
- Creating schedules and timelines for both you and your team, and ensuring strict adherence to these timelines.
- Implement robust security practices to safeguard data and applications.
- Conduct thorough testing and debugging to ensure the functionality, performance, and security of the applications.
- Work closely with product managers, designers, and other stakeholders to deliver solutions that meet business requirements.
- Provide technical guidance and mentorship to junior developers, assisting them in solving complex problems and improving their skills.
- Stay updated with the latest trends and advancements in MERN Stack development and suggest innovative ideas to enhance our software products.
Requirements:
- Bachelor's degree in Computer Science, Software Engineering, or a related field.
- 2 to 5 years of professional experience in MERN Stack development.
- Strong proficiency in Node.js, React.js, Express.js, MongoDB and java.
- Experience with RESTful API development and integration.
- Possessing a robust understanding of coding.
- Solid understanding of front-end technologies such as HTML5, CSS3, and JavaScript.
- Knowledge of database systems and proficiency in writing efficient database queries.
- Familiarity with version control systems (e.g., Git) and agile development methodologies.
- Excellent problem-solving skills and the ability to think critically.
- Strong communication and interpersonal skills, with the ability to collaborate effectively within a team.
Please submit your resume, along with relevant work samples, highlighting your experience with MERN Stack development.
Location: Gachibowli (Hyderabad)
Website: https://www.steinbeis.in/


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.
Strong foundation and knowledge of frontend web technologies: HTML/CSS/Javascript
AngularJS/Angular/ReactJS/VueJS frameworks and libraries for the frontend
Experienced using NodeJS platform and techniques for handling asynchronous calls (Promise, Observables).
Real time experience working on any cloud tech(AWS)
Experience with Laravel is most welcomed .
Experience/Knowledge of page optimization for reducing load time and SEO
Experience/knowledge in source code versioning control using GIT, such as GITHUB will be added advantage
Knowledge of SDLC & Agile software development will be added advantage
Able to work independently as well as within a team
Open to learning new technologies and trends.
A mid-senior level Java-Full Stack Developer manages a critical project for one of our biggest clients in the banking domain. The Individual should be passionate about technology, experienced in developing and managing cutting-edge technology applications.
Requirements:
- Proven experience in Java8 Spring boot, Microservices, Node JS, JavaScript, Gulp
- Strong experience with Kafka and Cassandra
- Experience with Gemfire or any Java Caching techniques
- Experience with UI (React / Angular 1.5)
- Strong experience in using RDBMS (Oracle). Cassandra Knowledge will be an added advantage
- Experience in working in Eclipse / Maven environments.
- Demonstrate experience in using Cucumber.
- Hand's on experience in Unix / Shell scripting.
- Hand's on experience in fine-tuning application response/performance testing.
- Experience in Web Services.
- Understanding of banking risk and compliance policies.
- Experience in code scanning tools like a black duck and tools like Sonar etc.
- Systems application development skills
- Strong analysis & problem-solving skills
- Strong communication skills - both verbal and written
- Ability to work independently with limited supervision
- Proven ability to use own initiative to resolve issues
- Full ownership of projects/tasks
- Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
- Eagerness to learn
- Strong team-working skills
- Understanding of waterfall and Agile methodologies.
- Experience in working with groups that are set up across the globe.
- Resolve technical issues of projects and Explore alternate designs
- Participates as a team member and fosters teamwork by inter-group coordination within the modules of the project.
- Effectively collaborates and communicates with the stakeholders and ensure client satisfaction
- Train and coach members of project groups to ensure effective knowledge management activity.
- PRIMARY COMPETENCY: Java Technologies PRIMARY SKILL: Java Spring MVC, WEB & Spring Boot PRIMARY SKILL PERCENTAGE: 51 SECONDARY COMPETENCY: UX & UI Development SECONDARY SKILL: React JS SECONDARY SKILL PERCENTAGE: 49

As our Full Stack Engineer, you will be developing fast, reliable and scalable web applications while taking responsibility for shipping core backend features.
Roles and responsibilities:
- Develop smooth, scalable and pixel-perfect web-app products
- Architect, optimize and scale complex systems like the database engine and APIs
- Follow TDD and write well designed, factored, and tested code
- Develop new features and maintain existing code
- Manage infrastructure and ensure security of applications
- Solve complex product and engineering challenges alongside the core team
What we're looking for in you:
- 4+ years of experience in Full Stack Development
- Extensive programming skills with a proficiency in Java, Spring Boot and Javascript
- Have strong fundamentals in systems design and RDBMS and NoSQL databases
- Product minded: Strong UI/UX and design sense
- Strong understanding of asynchronous request handling and dynamic web page development
- Experience working with React.js, Next.js, Node.js, HTML, CSS, Redux, TypeScript
- Stellar problem solving and research skills with the ability to design scalable systems
- Exposure with AWS/GCP, Docker, Kubernetes and CI/CD Setups
- Experience in functional, L& P and security testing
Benefits of working with Rivi:
- Stock Options
- Flexible work hours
- More responsibilities and more opportunities
- The chance to exponentially grow in your career, as Rivi grows
- Work on real innovation and a futuristic vision
- Enhance your skill-sets and knowledge
- Opportunity to learn about many different verticals
- Feel empowered and change things - We value ideas and suggestions
- Work in an inclusive culture where transparency, creativity, accountability and ownership is encouraged

Key Responsibilities:
- You will play a key strategic and consultative role in developing, delivering and maintaining digital ad tech products
- Work as part of the engineering and product teams to develop complex platforms and systems that are scalable to millions of users
- Result-oriented full-stack development for world-class products with high degree of performance and quality
- Developers in our teams are also adept at formulating product strategies, research best practices, bring in expertise and mentor younger talent and drive the organization’s goals higher with a self-starter attitude
- Strong sense of commitment, problem-solving, professional ethics and willingness to learn new things are a standard requirement for all our openings.Requirements:
- Knowledge of digital ad tech ecosystem
- Minimum 3 years of experience working in a professional environment on full-stack development
- Proven expertise in creating and developing scalable enterprise or B2C web applications
- Experience in REST API development and MVC/MVVM development methodologies
- Deep understanding of the underlying architecture of web servers, load balancing, and browser nuances. Basically, a solid understanding of fundamentals - including execution models, asynchronous programming, object-oriented concepts, relational concepts, etc.
- Proficiency in one or more of Node.js/MEAN stack, Python, Java or other frameworks and willing to be flexible on stack as per the requirement of the project. Most of our current development is on the MEAN stack - expertise in the stack will be a definite plus
- Proficiency in one or more of databases such as MySQL, MongoDB, Cassandra or other equivalent databases and willing to be flexible as per the requirement of the project. Most of our current development is on MongoDB and MySQL - expertise in these will be a definite plus
- Good understanding of developer tools and devops such as Git, Ansible, cloud platforms such as AWS, Docker, etc.


Rawster is the digital interface for real life sports.
An early-stage startup that's set on blurring the line between Sports and E-sports.
Position
Full Stack Engineer (MERN stack)
Eligibility Criteria
- Minimum one year of working experience
- Must have skills : Experience in working with Full Stack Applications
- Exceptions can be made if proof of skill exists.
We are looking for a Full Stack JavaScript and NoSQL Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include implementing visual elements and their behaviors with user interactions. You will work in both front-end and back-end web development to build all client-side logic. You will also be bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions. Build reusable code and libraries for future use
Development stack
Reactjs
React Native (Typescript)
Node.js
Koa.js/Express.js
MongoDB with Mongoose
PostGreSQL with knex
Remuneration : Based on skill and expertise,
ranging from* 5 to 11 Lakhs Per Annum*
You can expect..
- to play a role in the revolutionisation of Sports.
- a passionate and fast moving work culture; We are a tight-knit team.
- to experience the Victories and Struggles of an early-stage startup.
- to learn and grow with the team.
- competitive salaries and benefits.
Responsibilities and Duties
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end services
- Manage server side javascript code.
- Ensure performance, security, and availability of database
- Handle common database procedures such as upgrade, backup, recovery, migration, etc.
- Profile server resource usage, and optimize and tweak as necessary
- Collaborate with other team members and stakeholders
- Adaptability, ability to learn faster, Independant, Responsible and diligent
- Good team spirit and interpersonal skills, excellent written, verbal, communication skills, analytical skills and business thinking.
Qualifications and Skills
- Strong understanding of JavaScript, its quirks, and workarounds
- Basic understanding of web markup, including HTML5 and CSS3
- Experience with advanced CSS programming using LESS or SASS.
- Strong understanding and experience in libraries React.js and React Native
- Strong understanding and experience in Node.js and other server side technologies.
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues
- Familiarity with front-end build tools, such as Grunt and Gulp.js
- Strong proficiency with NoSQL e.g MongoDB. Knowledge of SQL DBMS is a bonus.
- Ability to plan resource requirements from high level specifications
- Capable of troubleshooting common database issues
- Familiar with tools that can aid with profiling server resource usage and optimizing it
- Proficient understanding of code versioning tools, such as Git
Job Type: Full-time
Salary: ₹500,000.00 to ₹1,100,000.00 /year

