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

1. Research, Implementing, Monitoring, and Report on Organic search

2. Keyword research and mapping

3. Content writing and optimization

4. Link-building outreach campaigns

5. Acquire backlinks

6. Editorial negotiations

7. Maintaining SERPs

8. Work on standard and current SEO practices

9. Auditing existing website

10. Recommend changes to website architecture, content, linking, and other factors to improve

SEO positions for target keywords

11. Work on SEO reporting

Skills & Requirements

1. Excellent written and verbal communication skills

2. Knowledge of technical aspects of search engines, search algorithms, ranking factors etc.

3. Demonstrated knowledge of SEO skills like on-page SEO, website analytics.

4. Strong operational excellence in link building – NOT outdated practices like (directories,

bookmarking, etc.)

5. Knowledge of outreach to editors to form collaborations for publishing our content on their

portal – this is a must have. Candidate to show clear experience of achieving this in this past

employment.

6. Strong experience in the use of Google Analytics and Google Search Console

7. Ability to solve problems and identify opportunities through data analysis and critical

thinking

8. Strong attention to detail, excellent organizational skills, and ability to manage multiple

projects and responsibilities

9. Agency background preferable

CTC

20,000/- p.m. to 30,000/- p.m.

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.

*Job Title:* Accounts Executive

*Location:* Kolkata

*Experience:* 3+ years

*Salary:* Market Standards

*Job Type:* Full-time

*About Us:*

Hiring Gem is seeking an experienced Accounts Executive. The ideal candidate will have a strong background in accounting, excellent analytical skills, and the ability to work in a fast-paced environment.

*Responsibilities:*

- Manage and maintain accurate financial records and accounts

- Prepare and review financial statements, reports, and budgets

- Analyze financial data to identify trends and areas for improvement

- Ensure compliance with accounting standards and regulatory requirements

- Manage accounts payable, accounts receivable, and payroll

- Coordinate audits and provide necessary documentation

- Develop and implement financial processes and procedures

- Provide financial insights to support business decisions

*Requirements:*

- 3+ years of experience in accounting

- Bachelor's degree in Commerce/Accounting

- Proficient in accounting software (Tally, etc.)

- Strong knowledge of accounting standards and regulations

- Excellent analytical, communication, and problem-solving skills

- Ability to work in a team environment

*What We Offer:*

- Competitive salary (market standards)

- Opportunities for professional growth and development

- Dynamic work environment

- Collaborative team culture

*Note:* Only shortlisted candidates will be contacted for further discussion.

Personal Secretary to the Offpriced Canada CEO (Kolkata)

Are you a knowledgeable, smart, and fluent English speaker? We’re looking for a Personal Secretary to support the CEO of Offpriced Canada as we expand our operations in Kolkata.

About the Role:

Our CEO will be visiting Kolkata in November to set up our local branch, and we need a dedicated individual to start working remotely now, transitioning to a physical presence when the CEO arrives.

Key Responsibilities:

• Manage daily accounting and administrative tasks for the CEO.

• Maintain financial records, prepare reports, and ensure accuracy in all documentation.

• Assist in planning and coordinating activities, including potential travel.

• Be ready to learn on the job; this is not a school, so come prepared with a solid foundation in your field.

Requirements:

• Degree in MBA, CA, Accounting, or related fields.

• Proficiency in Excel and other relevant software is essential.

• Knowledge of the fashion business is highly prioritized.

• Must be proactive, detail-oriented, and willing to physically come to work once operations begin in Kolkata.

• No room for laziness—only those who are eager to grow and contribute need apply.

• Experience is encouraged, but we value the right attitude and willingness to learn.

• Start remotely now, with a requirement for physical presence starting in November.

• Must be prepared to travel as needed.

Why Join Us?

• Great opportunity for development and career growth within an international company.

• Possibility of working in our offices in Canada, Dubai, or the USA in the future.

How to Apply:

If you’re ready to take on this challenge and be part of a growing global company, send your resume and a brief cover letter explaining why you’re the perfect fit for this role.

Note: Lazy applicants need not apply. We’re looking for individuals who are committed to their work and eager to excel.

Responsibilities

• To communicate with clients to determine the scope of website development projects, implement SEO strategies to increase traffic flow to websites, and maintain websites.
• To manage customer queries and cold calling for a B2B Website Process in the International Market .
• Will be responsible for new business development (Acquiring new business )and maintain relationships with new and existing clients.
• Would be dealing in Web/Mobile App and Digital Marketing Domain.
• Preparing progress updates and documenting website development processes.

Requirements

• Fluency in English is mandatory
• Basic knowledge in computer operation.
• Learning mindset.
• Prior exp in the International voice process would be an added advantage.

Shift Timing: 8pm-5am (US)

Freshers also can apply.

Interview Mode: Face to face

Contact - 90381^69266

Or drop your resume at - sanjukta.seal at the rate adretsoftware.com

Key Responsibilities:

·        Develop and create websites, applications, and systems

·        Participate on the Development and Testing Phase of the Projects

·        Participate as a member of the Scrum team

·        Maintain and enhance existing Projects

·        Deliver quality output on all Projects

·        Showcase your analytical and problem-solving ability.

·        Guide and Mentor other developers

·        Be updated on the latest technologies

Requirements:

·        More than 4-8 years’ experience in PHP

·        Must have minimum 4 years work experience in Laravel framework

·        Knowledge and experience in: MySQL, JQuery, Bootstrap, HTML,CSS

·        Knowledge on Coding Standards, Design Patterns, and Best Practices

·        Has actual experience and understanding on Agile Software Development

·        Ability to prioritize and handle multiple tasks and projects concurrently.

·        Able to mentor, collaborate and guide other team members

·        Team Player, Proactive and Accountable

Candidates with good Accounting knowledge, Ms Excel skills, English communication skills, good learning skills, below 30 Yrs age, residing in Kolkata, and want to grow rapidly, Those who are not from an Accounting background, please don't apply.

Operations Executive:

• Operations are at the heart of CupShup as we take pride in having a solid network of corporates and associates across the country. Think you’ve got it in you to manage a bunch of chai-crazed co-workers and elite corporates?

The work as an Operations Executive at CupShup involves:

• To plan, manage and execute marketing campaigns in the City.
• Working closely with the City Manager and keeping him/her updated about the proceedings of the campaign and other nitty-gritties.
• Unlocking new partnerships and business by working with the Operations Team and the City Head.
• Optimizing the over-all operational efficiency and being accountable towards the Profit and Loss of the organization.
• Delegation of work along with monitoring and tracking the work of Delivery Team and Operating System.
•  

Skills required as an Operations Executive:

• Minimum experience of 1-2 years with enough knowledge about the know-hows of Operations.
• Good idea of General Management that involves in-house work along with professional collaborations.
• Command over sales and marketing to assist the Team whenever, and wherever required.
• Team Management abilities that involve versatility and flexibility in order to get the work done.
• A hunger for personal growth and over-all development will definitely help you fair well and keep up with the ever-evolving changes of this medium of marketing.

Also, along with this you need to make sure that our Office never runs out of chaispiration—the secret potion that gets our Team working well.