

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.

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Job brief
We are looking for a qualified Database developer to design stable and reliable databases, according to our company’s needs. You will be responsible for developing, testing, improving and maintaining new and existing databases to help users retrieve data effectively.
As part of our IT team, you will work closely with developers to ensure system consistency. You will also collaborate with administrators and clients to provide technical support and identify new requirements. Communication and organization skills are keys for this position, along with a problem-solution attitude.
Ultimately, you should be able to ensure our database systems run effectively and securely on a daily basis.
Responsibilities
- Design stable, reliable and effective databases
- Optimize and maintain legacy systems
- Modify databases according to requests and perform tests
- Solve database usage issues and malfunctions
- Liaise with developers to improve applications and establish best practices
- Gather user requirements and identify new features
- Develop technical and training manuals
- Provide data management support to users
- Ensure all database programs meet company and performance requirements
- Research and suggest new database products, services and protocols
Requirements
- Proven work experience as a Database developer (5+ Years)
- In-depth understanding of data management (e.g. permissions, recovery, security and monitoring)
- Knowledge of software development and user interface web applications
- Advanced proficiency and hands on experience with T-SQL, Stored Procedures, Cursors, Triggers, Schedulers etc.
- Familiarity working with MS SQL Server, MySQL, .Net Framework, java
- Excellent analytical and organization skills
- An ability to understand front-end users’ requirements and a problem-solving attitude
- Ability to craft detailed technical manuals.
- Excellent verbal and written communication skills
- BE/MCA/MSc Degree in Computer Science or relevant field.

About Company:
Our client is a luxury home decor brand. It's nothing less than a revolution in the home decor industry- where technology enables world-class home interior design. We use technology combined with internationally trained designers to help our customers achieve the style they want to express.
Our services include unique technology-driven processes and analytics, consulting, execution, and supervision – all within schedule and planned budget, so they can relax and enjoy their space transformation with peace of mind.
We encourage our consumers to explore and discover their own self-expression while amazing their senses with new cultures and design techniques, tasteful décor, and ambiance.
Role and Responsibilities:
• Write code and tests, build prototypes, solve issues, profile, and analyze bottlenecks
• Design performance gauging, building robust APIs to support mobile and desktop clients
• Manage and optimize scalable distributed systems on the cloud
• Optimization of web applications for performance and scalability
• Develop automated tests to ensure business needs are met and allow for regression testing
• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform UI tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Collaborate with Front-end developers to integrate user-facing elements with server[1]side logic
. • Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use.
Skills:
• Good communication skill to communicate with stakeholders, project managers, quality assurance teams, Regularly and other developers regarding progress on the long-term technology roadmap
• Curious and progressive mind to Create and maintain workflows with teams to provide visibility and to ensure workload balance for consistent visual designs
• Good technical knowledge to Produce quality code, raising the bar for the whole team on quality and speed
• Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.
Requirements.
• Experience with core AWS web-enabling technologies
• Growth mindset, challenging status quo to find new solutions and out-of-the-box ideas
• Experience designing RESTful APIs, specifically for mobile apps
• Computer science degree or equivalent experience
• Experience leading a team is a bonus.
• 3+ Years of relevant experience.
• PHP Laravel Framework, PHP Design Patterns.
•Proficient in MySQL. MongoDB knowledge is plus.
•APIs, REST API, API Security.
• Laravel Events, Queue, Observers.
• Excellent foundation in computer science, algorithms, and web design
• Experience writing highly secure web applications.

Job Description:
• In depth knowledge of NodeJS, ExpressJS, Mongo DB
• Experience implementing applications using React
• Experience creating front end applications using HTML5, React, Saga
• Hands on experience with JavaScript Development on both client and server-side
• Experience with modern frameworks and design patterns
• Experience in using Github / Bitbucket
• Knowledge of using AWS and deploying applications on AWS
- Good skill on NodeJS, Angular 4+, MongoDB, and MySQL
- Having Good knowledge of AWS serverless technologies (Lambda) and other services like EC2, S3 SES, and others.
- Must be passionate about writing clean, efficient, and maintainable code.
- Self-starter with the ability to cope with sharp learning curves.
- Primary: NodeJS, MySQL, MongoDB, AngularJS, ES6 Additional: Angular 2.x and Angular 4

You will be building product features solving complex business problems using state of the art technologies (Docker, Kubernetes, GCP, Python, Angular, ML/AI) in an ownership and integrity driven culture.
What will you do:
- Architect full-stack solutions for complex business requirements in a fast-paced environment while optimising for scalability, performance, concurrency, availability, security and code quality.
- Own and execute engineering projects end to end including API design, DB design, project planning, coding, and fluent communication with the rest of the team.
What we’re looking for:
- Bachelors/Masters in Computer Science or a related field
- Experience 3-6 years
- Strong ownership, integrity and drive to succeed individually and as a startup
- Good grasp on algorithms and data structures
Experience- 1 year is sufficient to apply
Salary- Upto 35k per month.








