11+ Smart Contracts Jobs in Kolkata | Smart Contracts Job openings in Kolkata

Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.

The ideal candidate will be responsible for developing highly scalable and secure code.

Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library/networks at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code

Desired Candidate Profile:-

• Setting up and configuring Full node clients for various Blockchains.
• In Depth understanding of atleast two blockchain network like Ethereum, Hedera Hashgraph, Tezos, Hyperledger, BlockApps, Algorand, Corda etc
• Working closely with DevOps to make blockchain infrastructure robust and scalable.
• Designing and writing well-structured APIs in Node.js to connect to Blockchain infrastructure.
• Develop and manage various applications to integrate Blockchain infrastructure into the main product.
• Staying up to date with new developments and news in integrated chains, like forks, main net launches, migration.
• Documenting architecture and guidelines.
• Always being on the lookout to enhance technology, by finding and making new tools, utilities, and libraries.
• Managing and enhancing a cutting edge tech stack, comprising of Node.js, ES2016/17 (Javascript), AWS, MongoDB, SQL
• Cross-team contribution whenever required.
• Familiarity with basic cryptography
• Familiarity with P2P networks

Culture

- Fast-paced, intellectually stimulating, steep learning, and growth

- Close-knit, hardworking, supportive colleagues

- Challenging work

- Flat organization with no hierarchy

- If you like problem solving, and love latest technology, there are very few better places

How we are different 
 -We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology

 Why to join us
 -We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

Job Title: Golang Developer

Location: Kolkata

Job Type: Full-time

Working Days: 5 Days (Rotational off)

About the Role:

We are seeking a skilled Golang Developer with experience in Golang, Node.js, WebSocket

communication, and API development. In this role, you will work closely with our development

team to design, develop, and maintain high-performance backend systems and real-time

applications.

Key Responsibilities:

 Design, build, and maintain efficient, reusable, and reliable Golang code.

 Develop scalable APIs and microservices.

 Integrate and build real-time communication using WebSocket protocols.

 Collaborate with frontend developers and other team members to establish objectives

and design more functional, cohesive systems.

 Write clean, maintainable, and well-documented code.

 Optimize applications for maximum performance, scalability, and security.

 Participate in code reviews, contribute to team knowledge, and continuously improve

development processes.

 Troubleshoot, debug, and upgrade existing systems.

 Occasionally work with Node.js services and modules when needed.

Required Skills and Qualifications:

 Min 3+ years of experience in backend development with Golang.

 Solid understanding of Node.js and JavaScript/TypeScript.

 Hands-on experience with WebSocket integration and real-time applications.

 Strong knowledge of RESTful APIs, API design principles, and API documentation. Experience with relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).

 Good understanding of concurrent programming and microservices architecture.

 Familiarity with cloud platforms (AWS, GCP, Azure) is a plus.

 Knowledge of containerization tools like Docker and Kubernetes is a plus.

 Strong problem-solving skills, attention to detail, and a proactive attitude.

We are looking for a motivated and results-driven Pan India Female Business sales Consultant Executive to join our team. The successful candidate will be responsible for reaching out to potential customers to provide information about our services and handle any inquiries. The ideal candidate should have excellent communication skills, particularly in English, Hindi & Bengali .

Key Responsibilities

Give a calls to potential customers to introduce products/services.

Deliver scripted presentations and answer questions about our offerings.

Identify customer needs and suggest appropriate services.

Maintain records of calls, including customer information and call notes.

Follow up on customer inquiries to ensure satisfaction and promote repeat business.

Meet daily, weekly, and monthly call targets.

Requirements

Female Business Consultant

Fluent in English (verbal and written communication).

Proven experience as a Business Consultant, or similar role.

Ability to handle rejection and remain positive.

Basic computer knowledge (CRM systems, MS Office).

Preferred Skills

Experience in sales or customer service.

Knowledge of additional languages is a bonus.

Strong listening and problem-solving skills.

If you’re passionate about engaging with customers and helping them discover our products

Mode of work - work from office 

Job Type- Full Time

Place- Kolkata/ Salt Lake Sec- ll

JOB TYPE : IT RECRUITER

SHIFT : NIGHT (US) 

QUALIFICATION : HS & ABOVE

AGE : 25 & ABOVE (for experienced candidates) 20 & above (for freshers) 

Requirements for experienced candidates: 

Experience : 

1. 1 years & above of relevant experience.

2. In-depth knowledge of hiring practices and existing laws with respect to the US market.

3. Experience in building the talent pool for the IT department of the company.

Experience in recruiting US Citizens and Green Card holders.Knowledgeable about different US work Visas like H1B, E3, and TN.

Familiarity with different US Tax terms is required (1099/W2/Corp-Corp).

Strong understanding of technical requirements.

Ability to display deep sourcing skills and excellent candidate assessment skills.

Should be self-motivated as well as a team player.

The ability to think analytically so as to consider all applicants and recommend the right fit for the organization.

5. Should have excellent oral and written communication skills as well as the ability to network in order to build an exemplary IT department for the company.

6.Proficient in English.

Requirements For Freshers candidates : 

1. Proficient in English

2. IT recruiters may need to have knowledge of IT and technical concepts. They may also need to be proficient in recruiting techniques like head hunting, calling, and networking. 

Responsibilities : 

* Manage the entire life cycle of the recruitment process for clients in the US.

* Work closely with the Recruiting leads and hiring managers.

* Work on strategic global hiring programs.

* Develop an action plan for recruiting the best fit for the organization.

* Procure people for different IT Requirements.

Use niche platforms related to IT, to source potential candidates.

* Personally conduct interviews, document the same, and report as the need arises.

* In addition to executing individual responsibility should be able to work in unison with the other departments with the Company’s growth perspective in mind.

* Keeping abreast of the industry trends.

Job Title - Sr Software Developer

Location - Sector 5 , Salt Lake

Shift Timings - 2:15 PM to 11:30 PM

Week Off - All Sundays and Alternate Saturdays. Sat will be halfday

Job brief:

We are looking for a Senior Software Developer specializing in .Net to build software using languages and technologies of the .NET framework.You should be a pro with third-party API integration and application programming.

In this role, you should be able to write smooth & functional code with a sharp eye for spotting defects. You should be a team player and an excellent communicator. If you are also passionate about the .NET framework and software design/architecture, we’d like to meet you.

Your goal will be to work with internal teams to design, develop and maintain software.

Job Responsibilities:

• Work in a development team to develop integrated ASP.NET applications.

• Write clean, scalable code using ASP.NET Framework, programming language (C#), and Rest API.

• Write SQL Server Queries and normalize SQL table structure.

• Revise, update,refactor and debug code.

• Improve existing software

• Develop documentation throughout the software development lifecycle (SDLC)

• Serve as an expert on applications and provide technical support

Job Requirements:

• Required at least 4 years of Software development using C# .NET.

• Good Knowledge of SQL Server, and design/architectural patterns for .NET Framework Web Application)

• Good Knowledge on Bootstrap, jQuery, HTML, CSS3 and XML

• Familiarity with architecture styles/APIs (REST, Web API, Json)

• Excellent troubleshooting and communication skills

• BSc/BA in Computer Science, Engineering, or a related field

CTC, Bonuses & Rewards: -

Salescom Services Private Limited is an equal opportunity employer in the local industry.Our operations and company visions are quite a niche and heavily focused on being massively successful operations engaged in next-generation sales & marketing wins, support, and information technology-enabled services & solutions. CTC for the right employee is not pre-defined as such however will be a best-fit match to the local industry standards. Come, interview with us, figure out if we both are the right fit for each other, and the rest will follow suit.

Interested candidates are requested to apply for this job

• You have prior experience in Java
• You have a deep understanding of Android SDK, app fundamentals & different development frameworks, integration with backend / API
• Excellent attention to detail and an eye for visuals. Design skills are not required but you should be able to critique and modify existing designs
• You have a deep interest in technology
• You're ready to learn and use new technology

What you need to have: