
● Experience Level: Min 2+ years
● Experience working with Nodejs/any JS framework, operating blockchain nodes especially in
Ethereum.
● Knowledgeable about smart contract security and best practices (design patterns).
● Build back-end web services that interact with the Ethereum blockchain.
● Research, design, implement and maintain all decentralized finance systems.
● Good Communication Skills.

Similar jobs
At https://www.holofy.io/">Holofy, We are building an incredible product and to do that we need incredible people.
If you have ambition and drive and want to own your roadmap in a company that knows how to innovate and scale, we want to talk to you.
We work in small, self-managing, collaborative and agile/Kanban teams and are looking for great technology developers who can work in the same.
Location - Remote/WFH
Pre-requisites:
If you are applying or referring somebody to this role, these are the must-haves attributes:
- 5+ years of extensive Backend Development experience using Nodejs/ MERN Stack.
- Experience working in Agile teams.
- Be able to write solid and delicate code within the following: NodeJS with Javascript and Typescript including the translation between the two.Expert knowledge of Express.
- NoSQL systems such as MongoDB or DocumentDB and Working knowledge of AWS.
- Past experience building and troubleshooting large scale cloud-based management systems.
- Strong experience with the creation of RESTful services and API's We are a forward thinking team who are always looking to improve ourselves and our product. Along with experience with API testing frameworks.
We are a forward thinking team who are always looking to improve ourselves and our product.It would be great for you to have some knowledge or experience in the following technologies. If not, there will be plenty of opportunity to learn these new things and more whilst at Holofy.
- Knowledge of kafka, elasticsearch, or RabbitMQ
- Experience with GraphQL
- An understanding of cloud-native systems such as docker
- DevOps Knowledge
Responsibilities:
- Maintain high standards of software quality within the team by establishing good coding practices and habits
- Research and evaluate a variety of software products
- Ability to manage and organize a team of technical staff
- Develop a strategy that the team will use to reach its goal
- Provide timely training to team members on the latest technology
What else we can offer:
- Limitless growth and encouragement to be innovative and challenge status quo.
- Exceptional compensation & benefits and performance-based recognition & rewards.
- Open door policy and flexible working hours and Medical coverage
Position: Senior Backend Developer (NodeJS)
Experience: 5+ Years
Location: Bengaluru
CodeCraft Technologies multi-award-winning creative engineering company offering design and technology solutions on mobile, web and cloud platforms.
We are looking for an enthusiastic and self-driven Backend Engineer to join our team.
Roles and Responsibilities:
● Develop high-quality software design and architecture
● Identify, prioritize and execute tasks in the software development life cycle.
● Develop tools and applications by producing clean, efficient code
● Automate tasks through appropriate tools and scripting
● Review and debug code
● Perform validation and verification testing
● Collaborate with cross-functional teams to fix and improve products
● Document development phases and monitor systems
● Ensure software is up-to-date with the latest technologies
Desired Profile:
● NodeJS [Typescript]
● MongoDB [NoSQL DB]
● MySQL, PostgreSQL
● AWS - S3, Lambda, API Gateway, Cloud Watch, ECR, ECS, Fargate, SQS / SNS
● Terraform, Kubernetes, Docker
● Good Understanding of Serverless Architecture
● Proven experience as a Senior Software Engineer
● Extensive experience in software development, scripting and project management
● Experience using system monitoring tools (e.g. New Relic) and automated testing frameworks
● Familiarity with various operating systems (Linux, Mac OS, Windows)
● Analytical mind with problem-solving aptitude
● Ability to work independently
Good to Have:
● Actively contribute to relevant open-source projects, demonstrating a commitment to community collaboration and continuous learning.
● Share knowledge and insights gained from open-source contributions with the development team
● AWS Solutions Architect Professional Certification
● AWS DevOps Professional Certification
● Multi-Cloud/ hybrid cloud experience
● Experience in building CI/CD pipelines using AWS services
- You will be having 3+ years of experience of writing optimized Code in Javascript/Typescript and working with Advanced NodeJs frameworks targeting Latest NodeJs version.
- Design, build, and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout the development life cycle.
- Understanding of basic RDBMS using relational databases like PostgresSQL, MySQL, or MSSQL
- API development (Rest/GraphQL)
- You will participate in regular design sessions, code reviews and agile ceremonies.
- You will work closely with the Product Owner and scrum team to help deliver high quality features inside of agreed timescales
- You will Provide technical mentorship and upskilling to scrum team members and across functional boundaries where appropriate
- You will Identify areas for modification or refactoring inside our code-base and champion their improvement.
- You will lead by example, contributing to a culture of high quality, personal ownership and customer focused execution
- Solving complex performance problems and architectural challenges
- Building reusable code and libraries for future use
- Building efficient, testable, and reusable Node JS modules
- Building high performance frontend applications with react
- Responsible for End-to-end ownership of modules, including designing, development, validation, deployment
- Understanding fully synchronous behavior of Nodejs
- Familiarity with Workers/child processes & performance tuning
- Experience with SQL/NoSQL databases and their declarative query languages (MySQL, and MongoDB)
- Strong knowledge of the common Node Js & React or web server exploits and their solutions
What you need to have:
- A Bachelor's degree in Computer Science, or related technical discipline
- 1 to 3 years of Software Development experience
- Deep hands-on technical experience in object-oriented design, data structures, algorithm design, and complexity analysis
- Experience with full software lifecycle methodology, including; coding standards, code reviews, source control management, build processes, testing, and operations
- Ability to identify, empathize with and delight the customer
- Comfortable working with different Technologies across all of them as and when needed
- Strong knowledge on technologies/frameworks that we work on - Microservices Architecture, Python, Rest/gRPC, Node.js, MySQL, Postgres, AWS, ReactJS, React Native, Kubernetes.
6-8 yrs experience
Fully Remote position
Max compensation - 45 LPA per annum (Full in hand)
Key Responsibilities
- Design, implement and maintain software to the demanding standards of a real time, highly concurrent distributed system.
- Working in conjunction with the rest of the development team, you will architect and build highly performant, scalable and extensible external APIs
- Collaborate with customers and internal stakeholders, at all levels, to continuously improve our product in a measured data-driven approach
- Learn quickly, adapt, and invent based on changing company needs and priorities
- Contribute to code reviews, tech talks, innovation drives and patents
Minimum Qualifications
- Excellent problem solving skills
- Bachelors in a computer science or other equivalent field
- Proficiency in deploying production systems using a major programming language like Java, Python, NodeJS or similar
- Excellent command over object oriented design and system design
- Experience building distributed systems and scaling them with high availability
- Ability to exercise autonomy rather than needing detailed direction and proactively get things done
Preferred Qualifications
- Experience in customer facing software development
- Proficiency building unit and performance tests to ensure reliability and scalability
- Experience in Artificial Intelligence, Machine Learning (ML) models, Natural Language Processing or Deep Learning is a plus
- Experience with cloud infrastructure such as AWS, GCP is a plus
Why work with us
- A small collaborative and excited team
- We value autonomy, allowing you to choose the configuration that makes you most productive
- Able to work remotely anywhere in Indian Standard Time
- Continuous learning and up-skill opportunities
- We love ideas, innovation and experiments!
- Competitive salary
● Should have 6+ years of experience as a software developer
● Good experience with Nodejs & Express js.
● Good with MySQL
● Experience with Linux Scripting
● Experience with elastic search and Logstash
● Experience with cyber security
● Great interpersonal and communication skills candidate can work independently
● Agile project methodology experience preferred.
● Excellent communication skills.
● Critical thinker and good problem-solver.
● Good time-management skills
● Great interpersonal skills
Working Timings: 3:00 pm to 12:00 am (midnight)IST
- 5+ years of object-oriented software development of web applications
- 5+ years of C# in a .NET environment
- Preferable Experience in Cloud Technologies (AWS, AZURE)
- Experience with MS SQL stored procedures, database design and optimization
- Experience developing and utilizing web services
- Experience with high volume consumer oriented web sites
- Experience working in an Agile Scrum environment
- Experience with formal test procedures, release management
- Preferable Travel industry experience preferred, especially programming associated with GDS’s - SABRE, Farelogix, and Travelport
- Ability to distill complex business needs into functional requirements
- Excellent follow-up, verbal and written communication skills
- Excellent problem solving skills and an ability to make good decisions
- Team player with a professional attitude
- Ability to manage multiple tasks and maintain tight schedules
- Ability to work effectively with a geographically dispersed team in India
Strategic and Development Responsibilities
- Ability to "think outside the box"
- Ability to provide accurate and timely project estimates.
Pluses:
- Experience with Angular JS frameworks and Mobile Development.
- Experience with developing machine learning algorithms.
- Experience on projects that required localization/globalization
- Experience with MS SQL Reporting Services
- Knowledge of web farm configuration and best practices
Software Tools/Languages
Required: MS Visual Studio, MS SQL Server Management Studio, IIS, AWS
C#, Web Services, MS SQL (stored procedures), Jenkins, DevOps Tools.
Education
Bachelor of Science in CS, MIS, or equivalentJob Description:
We are looking for a Ruby on Rails developer 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 built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Job Responsibilities:
- Design, build, and maintain efficient, reusable, and reliable Ruby code.
- Integration of data storage solutions.
- Integration of user-facing elements developed by front-end developers with server side logic.
- Identify bottlenecks and bugs, and devise solutions to these problems.
- Help maintain code quality, organization and automatization.
Job Requirements:
- Knowledge of Ruby on Rails, Ruby, SQL, JavaScript and Git.
- Experience with Shopify, ReactJs, JQuery CSS, HTML would be plus.
- Strong grasp of TDD and BDD.
- Experience with Heroku or AWS or DigitalOcean.
- A knack for writing clean, readable Ruby code.









