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

A) Skills Required

Essential Skills (Two top

skills)

3 possible combinations.

1. Candidate having expertise in both ElasticSearch and Kafka, preferably.

OR

2. Candidate having expertise in ElasticSearch and willing to learn Kafka.

OR

3. Candidate having expertise in Kafka and willing to learn ElasticSearch.

B) Other Information

Educational Qualifications Graduate

Experience Mid-Level (6+ years)

Minimum Qualifications:

ElasticSearch/OpenSearch

· Software Lifecycle/programing skills

· Linux

· Python

· Ingestion tools (logstash, OpenSearch Ingestion, Fluentd, fluentbit, Harness,

CloudFormation, container, images, ECS, lambda).

· SQL query

· Json

· AWS knowledge

Kafka/MSK

· Linux

· In-depth understanding of Kafka broker configurations, zookeepers, and

connectors

· Understand Kafka topic design and creation.

· Good knowledge in replication and high availability for Kafka system

· Good understanding of producers and consumer group

· Understanding Kafka partitions and scaling up

· Kafka latency/lag and throughput

· Integrating Kafka connect with various data sources can be internal or external.

· Kafka security using SSL/Certs

The Knowledge Graph Architect is responsible for designing, developing, and implementing knowledge graph technologies to enhance organizational data understanding and decision-making capabilities. This role involves collaborating with data scientists, engineers, and business stakeholders to integrate complex data into accessible and insightful knowledge graphs.

Work you’ll do

1. Design and develop scalable and efficient knowledge graph architectures.

2. Implement knowledge graph integration with existing data systems and business processes.

3. Lead the ontology design, data modeling, and schema development for knowledge representation.

4. Collaborate with IT and business units to understand data needs and deliver comprehensive knowledge graph solutions.

5. Manage the lifecycle of knowledge graph data, including quality, consistency, and updates.

6. Provide expertise in semantic technologies and machine learning to enhance data interconnectivity and retrieval.

7. Develop and maintain documentation and specifications for system architectures and designs.

8. Stay updated with the latest industry trends in knowledge graph technologies and data management.

The Team

Innovation & Technology anticipates how technology will shape the future and begins building future capabilities and practices today. I&T drives the Ideation, Incubation and scale of hybrid businesses and tech enabled offerings at prioritized offering portfolio and industry interactions.

It drives cultural and capability transformation from solely services – based businesses to hybrid businesses. While others bet on the future, I&T builds it with you.

I&T encompasses many teams—dreamers, designers, builders—and partners with the business to bring a unique POV to deliver services and products for clients.

Qualifications and Experience

Required:

1. Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.

2. 6-10 years of professional experience in data engineering with Proven experience in designing and implementing knowledge graph systems.

3. Strong understanding of semantic web technologies (RDF, SPARQL, GraphQL,OWL, etc.).

4. Experience with graph databases such as Neo4j, Amazon Neptune, or others.

5. Proficiency in programming languages relevant to data management (e.g., Python, Java, Javascript).

6. Excellent analytical and problem-solving abilities.

7. Strong communication and collaboration skills to work effectively across teams.

Preferred:

1. Experience with machine learning and natural language processing.

2. Experience with Industry 4.0 technologies and principles

3. Prior exposure to cloud platforms and services like AWS, Azure, or Google Cloud.

4. Experience with containerization technologies like Docker and Kubernetes

Company Name- uFaber Edutech Pvt Ltd.

Shift Timing/ Day- 10:30AM-7:30PM/11AM-8PM

Location-Pune,Kolkata,Mumbai,Noida

Website: www.ufaber.com

Who are we-

uFaber is a well-funded Edutech startup, founded by serial entrepreneurs from IIT Bombay to change the way we learn. We sell high-quality online courses on a variety of topics, from exam preparation to certifications. 

Role and Responsibilities-

• Dialing 50-80+ calls and counseling students who have enquired about the product/ services.
• Scheduling free demo lectures for the students.
• Doing post demo calls and closing sales.
• Maintaining a pipeline of all sales administration using CRM software.
• Work on targets and under pressure as this is a hardcore sales profile.
• Flexible to work on additional days and hours.

What we offer you-

Fixed Pay- 2.9 to 3LPA

Performance based incentives-2 to 3LPA

Total Pay- 4.9 to 6LPA

• Digital Marketing (preferably SEO – keyword research, on-page and off-page optimization, local business listing optimization and web analytics reporting) required; B2B experience an advantage
• University graduate
• Solid knowledge on SEO and Web Analytic Tools (preferably GA4, SEMrush, Google Keyword Planner, Search Console etc)
• Background in Paid Search (PPC) or Paid Social is an advantage
• IT literate with extensive experience in internet.
• Must know the modern techniques of content marketing.
• Proficient in creating and presenting comprehensive SEO reports that highlight key performance metrics, trends, and actionable insights.
• Good Communication Skills

Added Advantage

• Ability to leverage AI-powered SEO tools and platforms for keyword analysis, content optimization, and predictive analytics.
• Have experience of using generative AI tools.

CupShup is looking for Operations Executive for the respective city. You will be responsible to handle the network growth, BTL Campaign function & operations, audit i. e. internal audits, client audits, cost audits, etc.

Responsibilities:

• Exeuctiion of BTL / Offline marketing campaigns across locations
• Strengthening network of promoters 
• Vendor/Partners Empanelment
• Logistics and Collaterals
• Success of the campaigns
• Process improvement and streamlining
• GST Compliance and reconciliation
• For Client - Media, Financial, Rate Benchmarking, Competition
• Functional Audits as and when required by Management
• Regional reporting
• Network tracker
• Collaterals Tracker
• Partners Tracker

Requirements:

• Graduate
• 0-2 years of experience BTL marketing is a must
• Self Motivated, Passionate, and a never give up attitude
• Team player
• Fair at communication and expression
• Willing to learn not only operations but also marketing and the other functions
• Two wheeler driving and license is an added advantage

Leaders at The Seenit Co. are passionate about using technology to create an impact on the world they live in. At Seenit, you will get to collaborate with an accomplished team that loves solving real-world problems. You will get to work on cutting edge projects that will shape the next phase of growth for the global luxury industry.

Seenit’s suite of products (http://www.styleade.com/" target="_blank">www.styleade.com) enables the leading luxury retailers around the world to transform their customer experience and build loyal relationships with their customers. The apps allow retailers to make use of their existing infrastructure and resources to deliver a truly omnichannel experience in today's rapidly changing world of shopping. The product has added 50 million USD to the top-line of one of the largest luxury retailers in the world. Store Associates and Stylists have assisted upwards of 100,000 consumers till date.

We would welcome someone to the team who wishes to:

• take ownership of the quality of code powering the product
• take an active role in the definition and evolution of best industry practices and procedures
• design, develop and test the core product software and databases to ensure strong optimization and functionality
• contribute in all phases of the development lifecycle
• support others to succeed and shine in a supportive team culture

• 4+ years experience in building consumer products
• experience of leading a team of 3 or more full stack developer
• Codeigniter Preferred 
• Good knowledge of Mysql and query optimisation
• Experience with PHP 7, HTML5, AJAX, JavaScript, JQuery, CSS, MVC frameworks (Bootstrap), API
• Experience with Ubuntu OS is a plus
• experience deploying softwares to cloud providers such as GCP, AWS

QA automation engineers to design automated tests to validate the functionality of network protocol software stack. Their job is to create the initial test plan, write the scripts, install the automation testing protocols, and report the results.

Experience Required: 0-2 years

Primary Skills:

Hand on experience to QA the product following customer requirements.

Prepared test cases, testing, documenting errors (depending on the phase of the project) Checking the bug tracking system for the fixed errors.

Following the automation testing plan to prepare and execute the automation testing and verifying the automation testing results and fixing the automation cases and automation environment issues.

Candidate should have fundamental core networking skills, with basic knowledge of TCP/IP Protocol suite, OSI layered architecture and should be able to relate that knowledge in troubleshooting related issues.

Ability to learn quickly and adapt to new product as organization evolves.

Additional Skills (Preferred):

0-2 years of experience in QA in the field of computer networking is plus.

Hands on experience with Cloud systems, APIs, Application and Database systems.

Hands on experience with Linux and knowledge of Operating System concepts.

Good understanding of complete software delivery cycle(worked with ticketing system, escalation management and building knowledge base for customer support organization)

Nice to have experience in Selenium.

Knowledge in SNMP Protocol.

Familiarity with IXIA Traffic Generator and its APIs for Automation.

Minimum Qualifications:

B.Tech / M.Tech / M.Sc (Computer Science/Information Technology/MCA)

• The main roles and responsibilities would be:
• Deliver high quality mobile apps on Android platforms.
• Create best practice, drive initiatives to build reusable frameworks, components and solutions.
• Engage with the team to create a knowledge centre on Android.
• Minimum experience of 1 years needed. Ideally more than 2 years.
• Maps based apps.
• Payment gateway integration: (PayPal, Stripe, Paytm etc).
• Integration of webservices
• Marketplace apps
• Live Streaming
• Offline application development.
• Strong OO design and programming skills in Java
• Android SDK
• JSON/REST API
• Social Media APIs
• UML/Design Pattern
• Knowledge of Retrofit,Volley,Dagger2,Realm,RxJava,Espresso
• Knowledge of android architecture component(LiveData etc).
• Working Experience on MMVM and MVP architecture
• Experience in SQL and NOSQL databases.
• Familiarity with cloud message APIs and push notifications 
• Understanding of Googles Android design principles and interface guidelines 
• Proficient understanding of code versioning tools, such as Git.
• Work closely with the leadership team to define roadmap and development plans
• Help define and implement standards and promote best practices for the Android development team
• Tackle daily challenges with your creative problem solving recommendations
• Mentor and contribute knowledge to the rest of the team and the organization
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with threading, and performance tuning
• Ability to understand business requirements and translate them into technical requirements