Software Development Engineer 2/3

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. 

If you're an experienced back-end developer with experience using serverless architecture (AWS Lambda, DynamoDB) and microservices, this could be the ideal job for you!

You'll be at a senior position, developing & maintaining microservices, business logic, and optimization/maintenance of the global database(s) to ensure a high performance & responsiveness to requests from the front-end.

Language:

Node.js/Tyepscript

Resposibilities:

Building stable, testable, and reusable code libraries for future use.

Write & maintain REST APIs for front-end consumption.

Managing deployments, code pushes (CI/CD pipelines).

Ongoing optimization of backend applications for maximum speed and scalability.

Implementation of security and data protection.

Design and implementation of data storage solutions.

Ideal Candidate:

At least 3-4+ years of server-side programming experience.

Solid experience working with NoSQL databases & microservices architecture.

Solid experience with version control (we use Github).

Decent experience with serverless architecture, code deployment and cloud platforms like AWS.

GOOD TO HAVE: Any experience working with fintech projects.

Zerozilla Infotech Pvt Ltd is a team of highly creative professionals creating seamless

web solutions ranging from web designing and development, mobile application,

custom software development, and digital marketing services for businesses.

We work with B2B, B2C companies, government bodies, institution-led and independent start-ups to generate value and give them a competitive edge.

We are experts with over Six years of experience in providing comprehensive and

unified solutions to your business challenges. With over 120 active clients and 150

projects to our credit, we continue creating innovative solutions to drive business

growth. Our working process involves four crucial steps- research, brainstorming

ideas, optimization, and achieving the target.

We deliver cutting-edge technology-driven solutions for your business including

ROI-driven marketing campaigns, online branding, and communications,

customized mobile application development, and more which are designed bearing

in mind your business requirement.

Job Description: Node JS Developer ( JD 102)

No of Position : 45

• Programming in Node.js

• Experience with server-side templating languages

• Experience with Express.js, Loopback, Sails JS, Meteor.js or other

frameworks.

• Experience consuming and building robust, SOAP and REST ful APIs

• Experience with Relational Databases like Mongo DB, MySQL

• Solid understanding and extensive experience with version controltools like

Git, SVN or Mercurial

• Exceptional problem solving and ability to work independently

• Exceptional learning skills

• Understanding of Agile methodologies

• Knowledge of writing efficient codes.

• Understanding front-end applications.

• Working with authorization and authentication of the user.

• Having error-handling skills.

• Creating database schemes and many more.

• Using third party with services with developed system.

Basic Requirement

• A Bachelor’s Degree in computer Science, Computer Engineering, Electrical

Engineering or equivalent.

• Minimum of 2+ years’ Experience in Software Development Organisation

required.

• Strong Communication skill and problem solving skill

• Ability to take ownership of work stream, operate without close supervision

and work across the organisation

• Self-discipline in order to finish work on a timely basis.

As a Senior Principal Engineer, you’ll lead a team of engineers through challenging development projects. Come join a highly collaborative team of skilled engineers with a passion for quality. 

What You’ll do:

• Work in an agile environment, orchestrating a group mostly comprised of skilled PHP engineers of various levels to complete User Stories authored by professional Product Managers
• Architect highly scalable/transaction heavy web/API applications
• Work with 1-2 Frontend resources (in addition to backend PHP) through projects in React, Angular (maintenance), MooTools/Jquery (deprecation), Socket.io and serverside NodeJS
• Work with Product and QA Managers in multiple grooming sessions and sprint planning for your team
• Collaborate/coordinate with other Engineering Managers and Leads
• Work with QA and Application Support teams to triage bugs
• Work with DevOps to automate deployment and monitoring of applications
• Design and develop Restful APIs using frameworks with design patterns
• Design JSON payloads and various payload contexts
• Convert complex business rules and workflows from User Story requirements into SalesForce type CRM applications and client facing web portals
• Work with monolithic legacy codebases, along with design patterns in newer repositories
• Work with large database schemas of 500+ tables 
• Write complex queries. Efficiently joining upwards of 20 tables, some containing +10m rows. In T-SQL or Doctrine ORM
• Integrate 3rd party platforms via APIs and callbacks
• Write Unit tests and documentation 

What You Have:

• 10+ years professional experience developing APIs & web based applications in PHP as an individual contributor
• Prior experience working with organized development teams (5+ member pods)
• Prefer hands-on experience using MS SQL Server, CosmosDB, but other relational databases/NoSQL ok (MySQL, Postgres, MongoDB)
• Professional experience using open source PHP frameworks. Symfony3+ preferred (Laravel, CodeIgniter - ok) 
• Experience scaling in LAMP, but also leveraging Redis, RabbitMQ, Elastic Search (ELK), SupervisorD, Socket.io, centralized Session stores
• Prefer experience designing fault tolerant architecture on cloud deployments (loadbalancing, clustering, reducing/eliminating single points of failure, etc)
• Understand branching, merging, pull requests and conflict resolution in Git (Bitbucket or Github)
• Experienced in leveraging issue tracking systems and wikis for documentation (Jira/Confluence)
• Comfortable on CentOS Linux, command line, SSH, SFTP, SCP…
• Full stack is a plus (JavaScript, CSS, HTML, React/Angular/Vue)
• Able to onboard self and others while working entirely remotely in EST
• Experience in Azure PaaS and IaaS
• Experience crafting architecture diagrams in Visio or LucidChart
• Problem solving skills and a proactive work style
• Strong interpersonal & communication skills

We are looking for a seasoned technology professional who can use their experience to build effective teams, high-performance culture, scalable processes and mentor aspiring talent. The candidate must be entrepreneurial, hands-on in technology, must have experience with design, development, and delivery of mobile apps, web applications and tech platforms, at scale. It is highly important for the candidate to have experience with eCommerce and is expected to have some experience in the retail sector, building technology systems and platforms.

The person is expected to be a technology leader with the capability of building and leading a high-performance engineering team.

Responsibilities

• Provide Technical authority in prospective meetings with other departments and provide guidance to developers
• Provide Hands-on Technical leadership, in the development, operation, and improvement of services
• Work with the wider team to ensure high-quality code is delivered in line with the project goals and delivery cycles
• Work with product managers to understand user needs for new/existing services
• Work closely with designers to deliver rapid prototypes as well as production code to ensure high accessibility standards are upheld. We expect familiarity with modern frameworks and languages, as well as best practices such as Clean Code, TDD, BDD, continuous integration, continuous delivery, and DevOps
• Attract, hire, retain and develop top-notch engineering/technology talent
• Implement technology product(s) as per the product requirements, using appropriate technologies
• The company’s tech-stack comprises Node.js (for Backend), MongoDB as the Database (MEAN stack), and Native App development (for iOS and Android)
• Communicate business goals to the engineers. Keep them focused on building the right product and in the right manner. Ensure that engineering is always adding business value and communicate this value to the business leaders
• Be an individual contributor if necessary. Engineering managers could spend ~20% of their time coding and contribute to the code base
• Perform regular code review of the code being developed by your team, to maintain the high quality of code

Qualification

• Computer Science & Engineering education/degree from an internationally recognized top technology institute or university
• 8-10 years of overall experience in the delivery of quality scalable and extensible software. Should currently be leading a team of top-notch developers as an Engineering Manager or Technical Architect.
• Experience of leading product development in B2C startups
• 4+ years of experience in architecting, designing, developing, and scaling high-quality mobile apps and end-to-end systems (consumer-facing and business-facing systems), under tight timelines and delivery pressure
• Experience with backend software development at a high scale. Experience with distributed systems, service-oriented architecture (SOA), and microservices design.
• Capacity to take the complete responsibility of developing and delivering a product-mobile apps and backend. Has good design sense. Has to experience with Node.js.
• Knowledge of new and cutting-edge technologies & tools. Experience working on complex projects having Analytics, Data-Science and Machine Learning components.