MERN Stack Developer

CoinCROWD

Blockchain Developer, Remote

About CoinCROWD: 

CoinCROWD is a cutting-edge platform in the digital finance space, focused on delivering innovative solutions that empower individuals and businesses in the cryptocurrency ecosystem. We are passionate about creating seamless, secure, and scalable solutions to simplify the way people interact with digital currencies. As we continue to grow, we're looking for skilled backend developers to join our dynamic engineering team. 

Position Overview: 

We are seeking an experienced Blockchain Developer with 3+ years of expertise in node.js/Python to help us build and scale our backend services. As a key member of our engineering team, you will be responsible for designing, developing, and maintaining robust, scalable, and high-performance backend systems that support CoinCrowd’s innovative products. 

This role will give you the opportunity to work in a fast-paced environment with cutting-edge technologies in the blockchain and cryptocurrency space. 

Key Responsibilities: 

• Develop and maintain decentralized exchange (DEX) platforms and features, focusing on on-chain data integration.
• Collaborate with a cross-functional team to design and implement features.
• Integrate RPC nodes for blockchain data access and manipulation.
• Create secure, efficient, and scalable blockchain applications using NodeJS and related technologies.
• Write unit and integration tests for blockchain applications to ensure high code quality and reliability.
• Maintain a high level of security best practices when dealing with blockchain data and smart contract interactions.

Required Qualifications: 

• Databases: Strong experience with relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis). Proficiency in writing complex SQL queries.
• API Development: Hands-on experience in designing and developing RESTful APIs, including authentication mechanisms (JWT, OAuth, etc.). 
• Cloud & DevOps: Familiarity with cloud platforms (AWS, Google Cloud, or Azure) and DevOps tools like Docker, Kubernetes, CI/CD pipelines, and version control (Git). 
• In-depth understanding of blockchain protocols and their security implications with at least 3+ years of hands-on experience on Blockchain development
• Experience with Solidity and developing smart contracts.
• Comfortable working independently in a remote environment.
• Ability to effectively communicate in English (written and spoken).

Why CoinCROWD? 

Innovative Projects: Work on cutting-edge technology in the fast-growing blockchain and cryptocurrency space.

Collaborative Culture: Join a dynamic, diverse, and collaborative team that values creativity and new ideas. Growth Opportunities: Opportunities to grow in your career as we expand our product offerings and technology stack. 

Competitive Compensation: Competitive salary, benefits, and potential for career advancement. Flexible Work: We support a flexible work schedule and the possibility for remote work. 

CoinCROWD is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Initially you will be offered Equity based compensation which is common for a Web3.0 organisation. 

Position: Backend Developer - MERN - GraphQL

Location: Surat, Gujarat

Company: Glazer Labs

Overview: As a Backend Developer at Glazer Labs, you will be at the heart of our technical team, responsible for designing, developing, and maintaining the server-side logic of our engagement platform for the gaming community. Your expertise will ensure the seamless integration of front-end elements, robust performance, and high scalability, contributing to a world-class user experience.

Key Responsibilities:

• Server-Side Development: Architecture Design: Design and implement scalable and efficient server-side architecture using Node.js and Express.js. Database Management: Develop and maintain databases, ensuring data integrity, security, and optimal performance using MongoDB or other relevant databases. API Development: Create and maintain RESTful and GraphQL APIs to support various frontend functionalities and third-party integrations.
• Performance Optimization: Scalability: Design and implement solutions to ensure the application can scale efficiently to handle increasing user loads. Load Balancing: Utilise load balancing techniques and tools to distribute traffic effectively across multiple servers. Caching: Implement caching strategies using Redis, Memcached, or similar technologies to enhance application performance and reduce latency.
• Security Implementation: Data Security: Ensure robust security practices, including data encryption, authentication, and authorization mechanisms to protect user data. Vulnerability Management: Regularly conduct security audits and vulnerability assessments, implementing necessary fixes and improvements. Compliance: Ensure compliance with industry standards and regulations, such as GDPR, to maintain user trust and legal integrity.
• Integration and Collaboration: Third-Party Integrations: Integrate third-party services and APIs, such as payment gateways, social media platforms, and analytics tools. Cross-Functional Collaboration: Work closely with frontend developers, mobile app developers, product managers, and UX/UI designers to ensure seamless integration and functionality. DevOps Collaboration: Collaborate with DevOps teams to automate deployment processes, monitor server performance, and implement CI/CD pipelines.
• Code Quality and Best Practices: Clean Code: Write clean, maintainable, and well-documented code following best practices and coding standards. Code Reviews: Conduct thorough code reviews, providing constructive feedback and ensuring adherence to coding standards. Testing: Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end tests, using tools like Mocha, Chai, or Jest.
• Monitoring and Maintenance: Monitoring: Implement and manage monitoring tools like New Relic, Prometheus, or Grafana to track server performance and uptime. Logging: Set up and manage logging solutions to monitor application health and troubleshoot issues efficiently. Incident Response: Develop and maintain incident response protocols to ensure rapid resolution of production issues and minimal downtime.
• Data Management: Database Design: Design efficient database schemas and ensure optimal indexing and query performance. Backup and Recovery: Implement robust backup and disaster recovery strategies to safeguard data. Data Analysis: Collaborate with data analysts to provide necessary data access and support data-driven decision-making.
• Continuous Improvement: Skill Enhancement: Stay updated with the latest trends and technologies in backend development, continuously improving your skills and knowledge. Knowledge Sharing: Participate in and contribute to knowledge-sharing sessions, workshops, and mentoring programs. Innovation: Explore and implement innovative solutions to enhance the backend infrastructure and overall application performance.

Qualifications:

Experience: Minimum 3+ years of experience in backend development, with a strong focus on Node.js, Express.js, and MongoDB. Proven experience in designing and implementing scalable, high-performance server-side architectures.

Technical Skills:

Node.js/Express.js / GraphQL Expertise: Strong proficiency in Node.js, GraphQL and Express.js, including asynchronous programming and middleware.

Database Management: In-depth knowledge of MongoDB and experience with other databases (SQL or NoSQL).

API Development: Experience in designing and implementing RESTful and GraphQL APIs.

DevOps Practices: Familiarity with CI/CD pipelines, containerization (Docker), and cloud services (AWS, Azure, or GCP).

Security Practices: Strong understanding of web security principles and best practices.

Testing Frameworks: Proficiency with testing frameworks and tools for backend development.

Soft Skills:

Problem-Solver: Strong analytical and problem-solving skills, with a proactive approach to identifying and resolving issues.

Detail-Oriented: Attention to detail and commitment to delivering high-quality, reliable backend solutions.

Team Player: Ability to work effectively in a collaborative team environment.

Effective Communicator: Excellent verbal and written communication skills, with the ability to articulate technical concepts to non-technical stakeholders.

Education: Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.

By joining Glazer Labs, you will have the opportunity to shape the backbone of our engagement platform for the gaming community, leveraging your expertise to build a robust, scalable, and high-performing backend infrastructure. Your contributions will be pivotal in delivering an exceptional user experience and driving our product forward.

Need Immediate Joiners only (4-5 days)

Overall experience 6+ years and relevant at least 2+ years in Golang with Java

● Strong design and architectural experience in building various highly-scalable and

highly-available products

● Strong understanding of the SDLC Activities which include Analysis, Design, Development,

Testing, Deployment and Post-Production Support etc.

● Proficiency in at least one server side framework for languages preferably Go Lang

● Experience working on NoSQL & SQL Databases such as MySQL, PostgreSQL, MongoDB,

Redis etc

● Deep Dive, problem-solving, RCA and systematic thinking to reach the cause of issues

● Able to work independently and multi-task effectively

● Program at a system level and able to manage service stability

● Excellent experience maintaining, scalable, extensible code

● Methodical in maintaining up to date documentation

● Metric-driven mindset and obsessive about ensuring clean coding practices

● Preferred experience in product development

● Preferred working experience on microservices platforms

● Proficiency in at least one modern web front-end development framework such as React JS

will be a bonus

Good to Have Skills:

● Preferred experience in Elasticsearch and Kibana (ELK Stack)

● Preferred experience with messaging systems like RabbitMQ

Who are we and what do we do?

The Dice platform, one of the most advanced SaaS fintech organizations, helps businesses convert their spending from many fragmented applications, prepaid cards, offline reimbursement/invoice management, procurement, and payment systems to a single spend platform. There will be no more cash, cards, refunds, or offline invoicing since our entire goal is to provide businesses more knowledge and control over how they spend their money, resulting in significant cost savings and profitability. We are a hyper growth startup collaborating with premium Indian enterprises, startups, and industry leaders across disciplines.

Perks in store for you when you join the team:

• You'll be surrounded by passionate team members.
• Your work will have a visible impact.
• You will be working on interesting technical challenges in a fast-paced environment.

Requirements and skills:

• Hands-on Software Development experience.
• 2-4 years of relevant experience in Java development.
• Hands-on experience in designing and developing applications using Java EE platforms.
• Object-Oriented Analysis and design using common design patterns.
• Profound insight of Java and Java EE (Multithreading, Reactive Programming, etc)
• Excellent knowledge of Relational Databases, SQL, and ORM technologies (MySQL, EBean)
• Excellent knowledge in RESTful API development, event-based processing.
• Experience with test-driven development.
• Knowledge of GIT, Linux, Docker, Redis

Responsibilities:

• Designing, implementing, and maintaining Java applications that are often high-volume and low-latency, required for mission-critical systems
• Delivering high availability and performance
• Contributing in all phases of the development lifecycle
• Writing well-designed, efficient, and testable code
• Conducting software analysis, programming, testing, and debugging
• Managing Java and Java EE application development
• Ensuring designs comply with specifications
• Preparing and producing releases of software components
• Transforming requirements into stipulations
• Support continuous improvement
• Investigating alternatives and technologies

Location:

Pune

JOB DESCRIPTION 

DYT - Do Your Thng, is an app, where all social media users can share brands they love with their followers and earn money while doing so! We believe everyone is an influencer. Our aim is to democratise social media and allow people to be rewarded for the content they post. How does DYT help you? It accelerates your career through collaboration opportunities with top brands and gives you access to a community full of experts in the influencer space. 

RESPONSIBILITIES 

• Expert in Python with knowledge of Python best practices (PEP8) 
• Strong knowledge of python web frameworks such as Django, Flask • Strong knowledge of building RESTful APIs using Django Rest Framework • Good Understanding of Django ORM Libraries 
• Able to integrate multiple data sources and databases into one system • Strong experience on Linux 
• Solid database skills in a relational database (i.e. PostgresSQL,MYSql) • Able to create database schemas that represent and support business processes • Strong unit test and debugging skills 
• Proficient understanding of code versioning tools (git) 
• Experience deploying on AWS is desirable 
• Experience with Docker,Test Drive Development will be a plus 
• Excellent interpersonal, leadership, influence and communication skills • Experience in designing scalable micro-services is desirable 

QUALIFICATIONS 

• 0-1 years of experience as a backend developer 
• At least one product build and published 
• SKILLS Contribute in all phases of the development lifecycle 
• Write well designed, testable, efficient code 
• Work well under pressure and meet deadlines without sacrificing quality • Work with distributed development teams 

About us:-

Zupee is India's hottest Real Money Gaming Platform

With in 1 yr of start, we just had an initial team of around 30 people, these 30 were successful to bring 10 Million+ users and an overall consumer spend of 1.5 Billion USD on the platform, the journey which needed years to be covered was covered with in 1yr. As we speak today, Zupee has been profitable for almost an year now and has ended the year 2020 with a team size of 70+ and over all growth rate was mapped around 20X.

Our user base has significantly gone up and we have invested highly in technology and have got best in class tech stack, it's time to add the backend developers who can help us scale up the platform so that we can drive profitable growth and become the market leader in our space.

Backend Developer :- (3 - 12 yrs)

What You'll Need?

• Knowledge of languages (JavaScript, Python) and frameworks/systems (nodejs)
• Strong analytical skills and aptitude
• Understanding of data architecture, software design and best coding practices
• Understanding of TCP/IP networking concepts and technologies
• Ability to learn new languages and technologies
• Experience with databases (both SQL and NoSQL)
• Familiarity with Agile development methodologies
• Working knowledge of Linux