
Roles and responsibilities
- Develop well-designed performant and scalable applications and microservices
- Writing reusable, testable, and efficient code aligning to software development best practices
- Integrate data storage solutions including databases, key-value stores, blob stores, etc.
- Build integrations with 3rd party applications through apis’ to ingest and process data
- Develop state-of-the-art analytics tools to support diverse tasks ranging from ad hoc analysis to production-grade pipelines and workflows for customer applications
- Ensure security and data protection aspects within the applications
- Partner with Data Scientists and Analytics Engineers to improve the performance and reliability of advanced algorithms
- Ensure high performance and availability of distributed systems and applications
- Interact directly with client project team members and operational staff to support live customer deployments and production issues
- 4+ years of experience in developing applications using python and related technologies.
- Familiarity in data ingestion and processing libraries in python.
- Thorough understanding of REST and GRPC technologies.
- Experience in using ORM (Object Relational Mapper) libraries for data access.
- Experiencing in developing and hosting APIs and integration with external applications.
- Experience in building data models and repositories using relational and NoSql databases.
- Knowledge of JIRA, Bitbucket and agile methodologies.
- Good to have knowledge of AWS services like Lambda, dynamodb, kinesis and others.
- Understanding of fundamental design principles behind a scalable application
- Familiarity with event-driven programming
- Strong unit test and debugging skills
- Affinity for learning and applying new technologies and solving new problems
- Effective organizational skills with strong attention to detail
- Experience in working with docker is a plus
- Comfortable in working with Unix/Linux environment
- Strong communication skills — both written and verbal

Similar jobs
- Develop, test, and maintain server-side applications using Node.js and related technologies.
- Design and implement RESTful APIs and microservices architecture to support frontend functionality.
- Collaborate with cross-functional teams to understand business needs and translate them into technical solutions.
- Optimize application performance, ensuring scalability and reliability.
- Conduct code reviews, mentor junior developers, and ensure adherence to best practices.
- Stay updated with emerging backend technologies and methodologies to improve development processes.
Mandatory
- SaaS experience of 2 years with total development experience of 4 years
- Must have worked in a smaller company of less than 100
- Should have built solutions/softwares end to end and not just as a part of bigger team
- Should see themselves going deeper into the same role even 5 years down the line
- Should have knowledge on Node.js, MongoDB, and AWS
- Strong understanding of asynchronous programming, event-driven architecture, and Node.js design patterns.
- Proficiency in working with databases such as PostgreSQL, MongoDB, or MySQL.
- Experience with API development, including RESTful services and microservices.
- Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
- Strong problem-solving skills and the ability to debug complex server-side issues.
Essential
- Proficiency with version control systems like Git.
- Experience with CI/CD pipelines and deployment automation.
- Knowledge of system design and scalable architecture.
- Understanding of security best practices and implementing secure APIs.
Good to Have
- Experience with GraphQL and related backend technologies.
- Knowledge of containerization and orchestration tools like Docker and Kubernetes.
- Familiarity with message brokers like RabbitMQ or Kafka.
- Experience with platforms like Shopify, BigCommerce, or other e-commerce technologies.
- Exposure to frontend technologies such as React for better cross-functional collaboration.


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 Backend Developer with 5+ years of expertise in Python and Django 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:
- Backend Development: Design, develop, and maintain efficient, reusable, and reliable Python-based backend services using the Django framework.
- API Development: Build and maintain RESTful APIs to integrate with various frontend and third-party services, ensuring reliability and scalability.
- Database Management: Work with relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis) to manage and optimize data storage, retrieval, and performance.
- System Architecture: Participate in system design and architecture decisions, ensuring the backend is scalable, maintainable, and secure.
- Performance Optimization: Identify bottlenecks and optimize the backend to handle high-load environments, ensuring high performance and low latency.
- Security & Compliance: Implement security best practices to ensure sensitive user data is protected in compliance with applicable regulations (e.g., GDPR, PCI-DSS).
- Collaborate: Work closely with frontend developers, DevOps engineers, and product teams to ensure seamless integration across systems.
- Code Quality: Write clean, maintainable, and well-tested code with strong adherence to coding standards and best practices.
- Continuous Improvement: Contribute to the continuous improvement of the development process and infrastructure, including adopting new tools, methodologies, and frameworks.
Required Qualifications:
- Experience: Minimum 5 years of professional experience in backend or server-side development, with strong expertise in Python and Django.
- Frameworks & Tools: Solid experience with Django, Django REST Framework (DRF), and other backend- related libraries/tools.
- 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).
- Testing: Experience with unit testing frameworks (e.g., PyTest, Unittest) and TDD/BDD methodologies.
- Security Best Practices: Understanding of security practices such as encryption, authentication, and authorization.
- Problem Solving: Strong analytical and troubleshooting skills with a focus on optimizing performance and scalability.
- Collaboration: Proven ability to work effectively in a cross-functional team environment, communicating technical concepts clearly to both technical and non-technical stakeholders.
Preferred Qualifications:
- Blockchain/Cryptocurrency: Experience with blockchain technologies or cryptocurrency platforms is a plus.
- Microservices Architecture: Familiarity with building microservices or serverless architectures. GraphQL: Experience with GraphQL APIs is a plus.
- Agile/Scrum: Experience working in Agile/Scrum methodologies.
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.


Key Responsibilities:
● Work closely with product managers, designers, frontend developers, and other
cross-functional teams to ensure the seamless integration and alignment of frontend and
backend technologies, driving cohesive and high-quality product delivery.
● Develop and implement coding standards and best practices for the backend team.
● Document technical specifications and procedures.
● Stay up-to-date with the latest backend technologies, trends, and best practices.
● Collaborate with other departments to identify and address backend-related issues.
● Conduct code reviews and ensure code quality and consistency across the backend team.
● Create technical documentation, ensuring clarity for future development and
maintenance.
Requirements;
● Experience: 4-6 years of hands-on experience in backend development, with a strong
background in product-based companies or startups.
● Education: Bachelor’s degree or above in Computer Science or a related field.
● Programming skills: Proficient in Python and software development principles, with a
focus on clean, maintainable code, and industry best practices. Experienced in unit
testing, AI-driven code reviews, version control with Git, CI/CD pipelines using GitHub
Actions, and integrating New Relic for logging and APM into backend systems.
● Database Development: Proficiency in developing and optimizing backend systems in
both relational and non-relational database environments, such as MySQL and NoSQL
databases.
● GraphQL: Proven experience in developing and managing robust GraphQL APIs,
preferably using Apollo Server. Ability to design type-safe GraphQL schemas and
resolvers, ensuring seamless integration and high performance.
● Cloud Platforms: Familiar with AWS and experienced in Docker containerization and
orchestrating containerized systems.
● System Architecture: Proficient in system design and architecture with experience in
developing multi-tenant platforms, including security implementation, user onboarding,
payment integration, and scalable architecture.
● Linux Systems: Familiarity with Linux systems is mandatory, including deployment and
management.
● Continuous Learning: Stay current with industry trends and emerging technologies to
influence architectural decisions and drive continuous improvement.
Benefits:
● Competitive salary.
● Health insurance.
● Casual dress code.
● Dynamic & Collaboration friendly office.
● Hybrid work schedule.
Industry
- IT Services and IT Consulting
Employment Type
Full-time
Requirement :
- Good knowledge of Java and Spring F/W (Spring Boot, Spring Security, Spring ORM, Spring Rest, Spring Cloud)
- Good knowledge of relational database design and query via both SQL and ORM (hibernate, spring data)
- Good knowledge of ElasticSearch or other document-oriented database
- Good knowledge of Microservice architecture, including REST API design
- Good knowledge of asynchronous data pipelines using Kafka or AWS SNS/SQS or similar modern messaging framework
- Good knowledge of AWS or other public cloud environment
- Hands-on experience with Redis Cache, Memcache or Ehcache
- Good knowledge of domain-driven design is a huge plus
- Web services & API standards (REST/OAuth/JSON)
- Work with business analysts to estimate and design effective, scalable and maintainable solutions that meet business initiatives and objectives
- Develop and unit test software that meets business requirements and technical design
- Troubleshoot pre- and post-production implementations
- Propose new ideas when there is strong business value and stay up to date on the latest technology trends and techniques
Critical Skills & Experiences:
- At least 5+ years of experience developing in Java technologies with equivalent experience in systems analysis, OO design, OO programming and debugging skills
- At least 5 years of experience in Java Spring Boot Framework development
- 2 years of experience in any Cloud platform, preferably AWS.
- At least 3 years of web services and relational database experience (preferably Mysql)
- At least a year of Elastic search experience
- Experience developing RESTful web services (preferably micro services)
- Experience with UNIX/Linux command line and shell scripting
- Experience working in cross-functional Agile/Scrum teams
- Any level of experience with JIRA or any other issue tracking technology
- Experience working directly with business stakeholders
- Experience with Java application profiling and profiling tools
- Exceptional written and verbal communication skills.
- Drive performance to accomplish team goals in a fast-paced environment
- Bachelor’s degree or the above equivalent skills and years of experience
Keywords:
Experience: +5 Years
Technical skills: Java, Spring boot and Node JS



In this role, you should be able to write functional code with a sharp eye for spotting defects. You should be a team player and an excellent communicator. If you are also passionate about the .NET framework and software design/architecture, we- d like to meet you.
Your goal will be to work with internal teams to design, develop and maintain software.
Responsibilities and Duties :
- Writing clean, scalable code using .NET programming languages.
- Build high-quality scalable and predictable web applications on the .NET Technology stack and maintain internal and external facing web applications.
- Creating and integrating services and APIs using Web API 2 for various products and applications.
- Working on system architecture and databasing in MongoDB, MySQL, and NoSQL.
- Make regular modifications to existing software for error correction, adaptation to new hardware, and improving overall function and performance
- Evaluate new code for reliable architecture, stability, reusability, performance, automation, security, and metrics
- Using JSON to store and transport data.
- Working with other team members and the team lead using Project Management Tools and Version Source Control to create industry-leading technological products.
Skills required:
- 1 - 3 years of experience in MongoDB.
- Knowledge about AWS Cloud is an added advantage.
- Knowledge of .NET development and lifecycle methods in C# Language.
- Experience in making Web API 2 including routes, class components, async methods, parallel programming, authentication, and authorization, etc.
- Experience and hands-on knowledge of data management methods with MongoDB, MySQL, or NoSQL, etc.
- Should have experience and understanding of using JSON.
- Familiarity with working with .NET Framework, JavaScript, HTML. Knowledge of .NET Core is preferred.
- Knowledge and experience working with AWS Cloud and cloud computing techniques is an added advantage, but not a requirement.
- Having a BSc Degree in Computer Science is optional but should have some educational knowledge of computer science.
- IMMEDIATE JOINEE.
- Work with other engineers to develop and test tools and applications used by team on daily basis
- Play a significant role in the ongoing evolution and refinement of current tools and applications
- Triage, troubleshoot, escalate and provide resolution to production issues.
- Reproduce, document and escalate product defects to the Engineering Team.
- Provide well-thought out and reliable direction, both in technical and non-technical terms, to help customers.
- Take ownership of customer issues, including initial troubleshooting, identification of root cause and issue resolution or escalation.
- Identify and escalate priority issues that need immediate attention.
- Collaborate with cross functional teams which requires strong presentation skills and attention to details
- BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
- 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
- High experience in Java 8 Required.
- 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
- Should have knowledge on Cloud applications preferably on AWS.
- Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
- Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
- Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
- Experience with build technologies like Gradle, Jenkins will be a plus.
- Experience with Test Driven Development using TestNG/Junit testing frameworks.
- Experience working with version control like GIT.


● Constant benchmarking for capacity and performance
● Documenting feature capability in detail
● Supporting marketing initiatives on the product / differentiators
● Test scenarios for faults / bugs
● On-call (only emergency - L4) support to customer issues
● Building best practices for customer scenarios
Who we are looking for
● Understand the larger picture and work for customer success
● Passionate to solve problems
● Understand the product life cycle


