Backend Data Engineer

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. 

Tasks and Responsibilities

• Understand business requirements and user needs
• Create user personas, journey maps, and various other design artifacts
• Create prototypes of varying fidelity
• Communicate design solutions to key stakeholders
• Define and track key metrics related to user experience
• Utilize quantitative and qualitative research to generate meaningful insights that will drive creative concepts

Skills and Requirements

• Experienced with 1.5+ years in Product Design/UX roles.
• Good experience in user experience and interface design, with a supporting portfolio
• Experience in designing mobile and web applications
• Experience in understanding and mapping complex user journeys
• Ability to form, prototype, and clearly communicate ideas and decisions.
• Business know-how: Understanding of business metrics and the ability to translate company goals and objectives into digital experiences
• Familiarity with prototyping tools like Figma/Sketch
• Good problem-solving and analytical skills
• Able to work well with remote, cross-functional teams
• Responsible, self-motivated, and comfortable taking the initiative.
• Attentive to the finer details and love what you do

SUMMARY:

Seeking individuals with demonstrated experience in Back-End Web Development

responsible for managing the interchange of data between the server and the users. Your

primary focus will be development of all server-side logic, definition and maintenance of the

central database, and ensuring high performance and responsiveness to requests from the

front-end. You will also be responsible for integrating the front-end elements of our AI SaaS

application modules and solve revenue-growth problems, at the intersection of demand and

supply, which are faced by the Fortune 1000 CPG/FMCG companies.

Frontend Engineer - (6-10 years’ experience)

As a Front End Web Engineer you will be responsible for building the next generation of user experiences. We need a highly motivated and skillful engineer to work with HTML, Typescript/JavaScript, and CSS/Sass and related tooling, frameworks, and libraries. Attention to detail and a dedication to deliver a high-quality, stable delivery is essential.

If you want to be part of this amazing team, this position is for you.

Key Skills:

• Proficient in at least one JavaScript framework like Angular, React, VueJS, or equivalent
• Proficient in Typescript, HTML, CSS3 usage in building large scale applications
• Expertise in front-end design and JavaScript libraries such as AngularJS, ReactJS, jQuery, and VueJS
• Passion for building a rich and innovative user experience
• Strong computer science fundamentals in design, data structures, and problem solving
• Experience in Single Page Application architecture

Description:

• Build pixel-perfect, robust and, accessible user interfaces on the web
• Drive independently a project from inception to production deployment with a strong focus on performance and robustness
• Follow our software development process including writing unit tests, perform code reviews etc.
• Ability to learn and apply new technologies quickly
• Work effectively with cross-functional teams to develop features
• Provide support for production deployments
• Demonstrate ability to deliver results on time with high quality
• Experience handling distributed vendor resources

About Plum

We are making health insurance - simple, accessible and affordable. Hundreds of businesses of all sizes from startups to large corporates trust Plum for their employee's health protection.

Healthcare in India is seeing a phenomenal shift. Healthcare cost is seeing an inflation that is three times the general inflation. Treatments of diseases including Covid-19 can wipe out entire household savings. Majority of Indians won't be able to afford a health insurance on their own. As many as 600mn Indians would depend on employer-sponsored insurance.

Enter Plum. Plum is re-imagining the health insurance stack, and accelerating the penetration of health insurance in India to 100%. Plum has forged new underwriting and fraud detection algorithms to enable companies as small as 2 to benefit from a group insurance. The platform enables realtime insurance design & pricing to enable companies to buy insurance in 3-clicks. And offers employees a hassle-free claims experience through an integrated digital process.

Plum is backed by leading global investors including Tiger Global, Sequoia Capital, Tanglin Ventures and Incubate Fund (read more https://www.plumhq.com/blog/plum-series-a-funding">here)

• Design, build, and maintain high performance, reusable, and reliable Java code. 
• Translate designs and wireframes into high quality components and modular code, ensuring the best possible performance, quality, and responsiveness of the application
• Strong advocate of Google’s Android design principles and interface guidelines
• Strong sense of ownership and integrity demonstrated through clear communication and collaboration.Having experience with building and maintaining an open source project or design library is a plus.

• 3 + years of experience of Android SDK, different versions of Android, and how to deal with different screen sizes. 
• Experience with local databases, offline storage, threading, and performance tuningExperience with Kotlin and Jetpack Compose is desirable.
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Familiarity with the use of additional sensors, such as camera, gyroscopes and accelerometers
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Ability to understand business requirements and translate them into technical requirements

1. Building REST API's & Services In Django Framework
2. Building reusable code and libraries for future use
3. Optimization of the application for maximum speed and scalability
4. Implementation of security and data protection
5. Design and implementation of the database schema
6. Design and implementation of data storage solutions
7. Implementing CI/CD pipeline

• Proficient knowledge of a back-end programming language Python
• Hands-on experience with Python Frameworks like Django
• Proficient knowledge of MySQL, PostgreSQL
• Creating database schemas that represent and support business processes (Relational & NoSQL)
• Understanding of queueing systems like Redis/AWS SQS
• User authentication and authorization between multiple systems, servers, and environments
• Data migration, transformation, and scripting
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Proficient understanding of code versioning tools, such as Git

• Experience in Docker
• HandsOn Knowledge with implementing CI/CD pipelines
• Experience in managing applications on AWS
• Management of hosting environment, including database administration and scaling application to support load changes
• Product wide application-level thinking on API and data modeling