

You will be working on:
- As a senior backend engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members
- Ensuring timely delivery of all product deliverables
- Play a key role in technical discussions within the team and be the go-to person for the team for guidance and troubleshooting
- Understand key Business and Engineering metrics around performance, quality, and availability and work regularly with the team to push the boundaries and improve them periodically
- Proactively participate in code reviews and architecture and design discussions
- Mentoring junior engineers and setting best practices for coding, code reviews, etc.
- Help the organization in building a top-quality team by participating in hiring initiatives and evangelizing about contributions, accomplishments, and victories
We are looking for:
- Strong and self-motivated individuals, should be able to independently drive decisions
- Solid experience in building web-based products
- Overall of 4+ years of expertise in at least one dynamic programming language and one MVC web framework, preferably Ruby on Rails
- Expertise in Database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries
- Expertise in all common Cloud technologies, preferably AWS. Knowledge of CI/CD tools and workflows
- Proven track record in building highly-available and scalable distributed systems
- Willingness to play and explore with new technologies and be a Subject Matter Expert and support them
- Someone who believes in small incremental improvements and is passionate about refactoring
- A keen eye for quality with regards to following and establishing good coding practices, improving code coverage
- Good stakeholder management, ability to build trust and rapport with internal and external stakeholders

About HackerRank
About
Connect with the team
Similar jobs
At least 4 years' experience as a Node.js developer.
Experience in Microservices
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in Postgres and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.


● Managing and guiding a team of junior developers for timely delivery of product and
milestones
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Design and implementation of data storage solutions
● Design & Build: Designing and developing high-volume, low-latency applications for
mission-critical systems, and delivering high-availability and performance.
● Collaborate - Collaborating within your product streams and team to bring best
practices and leverage a world-class tech stack.
● Measurable Outcome - You will need to set quantifiable objectives that encapsulate
the quality attributes of a system. The fitness of the application is measured against
set marks.
● DevOps - You will need to set up every essential (tracking/alerting) to make sure the
infrastructure/software you built is working as expected.
● Design and development of our REST APIs
● Help maintain code quality, architecture, and automation
Required Knowledge and Skills
● 3 - 5 years of experience working in backend development technologies and DevOps
● Highly curious and ready to dive into complex technical challenges.
● Proficiency in development and scripting in Python, Django/Flask framework.
● Database design and management, including being up on the latest practices -
bonus points for MySQL and MongoDB
● User authentication and authorization between multiple systems, servers, and
environments
● Integration of multiple data sources and databases into one system
● Management of hosting environment, including database administration and scaling
an application to support load changes
● Setup and administration of backups
● Understanding differences between multiple delivery platforms such as mobile vs
desktop, and optimizing output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Understanding of “session management” in a distributed server environment
● Server management and deployment for the relevant environment
● Appreciation for clean and well-documented code
● Hands-on experience with architecture and structural design patterns
● Expertise in designing, developing, deploying, and integrating RESTful APIs
● Ability to understand business requirements and translate them into technical
requirements
● A knack for benchmarking and optimization
● Proficient understanding of code versioning tools, such as Git
Personality
● Requires excellent communication skills – written, verbal, and presentation.
● You should be a team player.
● You should be positive towards problem-solving, have a very structural thought
process to solve problems
● Interest to work in a high paced start-up environment with a large amount of learning.
● Good understanding of different frameworks, and be able to pick up new
technologies at ease.
● You should be agile enough to figure out a need for new technologies/frameworks
and learn new technology for better product performanc
Technical Skills Desired:
- Must have experience in either of JavaScript frameworks: Angular (Preferred) / ReactJS/Node.
- Must have experience in either of backend software development in NODE Js or [J2EE, Spring Boot, Spring core, JPA]
- Must have experience in designing/implementing Hibernate/ORM, Restful web services, Micro Services using Java or Node Js
- Knowledge with relational/ NoSQL databases (e.g., Oracle, MySQL, MongoDB)
- Knowledge with versioning (Git or SVN) /build tools (Maven/Ant/Gradle/Junit), Unit testing & code coverage tools is desired
- Knowledge of App / Web servers (NGINX / Tomcat / Jboss Wildfly)
- Understands the process of new application development and has the ability to apply these concepts with minimal mentoring and supervision.
- Advanced knowledge experience using any of IDE (e.g., Eclipse, SonarQube, STS, VS Code)
- Knowledge on Cloud platform, technologies & deployments is an added advantage
- Resolves technical issues through debugging, research, and
- Must have experience with Agile tools
Functional Skills Desired:
- Good knowledge in product development domains
- Knowledge in Finance and Insurance domain preferred
- Maintain quality and ensure responsiveness of
- Complete application development by coordinating requirements, schedules, and activities contributing to team meetings;
- Troubleshooting development and production problems across multiple environments and operating platforms.
- Collaborate with the rest of the engineering team to design and launch new features
- Understanding and implementation of security and data
- Ensure designs are in compliance with specifications and standards and best industry
- Usage of Process tools – JIRA, TFS, HP QC or any other agile tools, also knowledge of CMM Level 3 development process.
- Self-motivated & working independently with minimal
- Maintain code integrity and
- Experience working with graphic designers and converting designs to visual
- Follow the coding standards for java/node and angular
Technical Skills Good to Have:
- Usage of troubleshooting tools like J Profiler, J Meter or application performance tuning
- Exposure to Non-web-based developments, for both mobile and
- Development experience using Docker, Kubernetes, Containerization etc in AWS or other cloud platforms
- Willing to take up proof of concepts and showcase the technical capability
- Usage of design tools Visio or draw io
Desired candidates must have 2-7 years experience as NodeJs Developer. If the candidate is not able to relocate to Gurgaon then we can also provide permanent Work from home for this position.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
What candidate should know about:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus



Brief Overview:
Through your work at Vauld, you will have the opportunity to change money for the 21st century. We’re a leading cryptocurrency platform and are passionate about increasing economic freedom around the world.
We are looking for a Lead Backend Engineer who has hands-on experience working with and leading Product teams and has solved for and built complex backend solutions. You'll be involved with bringing features and products from idea to completion and mentoring an incredibly talented group of peers.
If you are looking for a challenging work environment where you can grow and deepen your technical skills as a backend engineer and architect, we’d love to chat with you!
Key Responsibilities:
- Working with CXO’s, product managers, devops, and frontend engineers to collaboratively own the backend-end layer for Vauld’s application.
- Architect and build highly scalable, secure features keeping the long term vision of the product.
Requirements:
- You have 7 years or more of backend development experience with expertise in designing and implementing high-performance applications.
- Worked with and built high performance products using Node Js/GoLang/ Python and have seen the product evolution cycle from PoC to Production
- You have a deep understanding of design principles and can rightly judge/implement solutions to complex problems
- You are capable of writing high-quality code that conforms to the standards and best practices in a particular language/framework.
- You have experience building a product using a mainstream library or framework.
- You love to own end to end responsibility, starting from defining the problem statement (either yourself or alongside your peers), development (PoC if needed), testing, releasing in staging & then production environment, and finally monitoring.
Preferred:
- Previous work experience in product-based startups
- Experience building for products that have scaled and have seen the product evolution
- Understands the cryptocurrency landscape
Working at Vauld:
You will join a fun and intellectually stimulating work environment. If you’re excited by the idea of making a real impact and joining a team where we pride ourselves on being disruptive and ambitious, a career with Vauld is perfect for you.

Role Summary: Back-end Developer who would contribute towards building a highly flexible and scalable Back- end by bringing deep core technology expertise.
Job Description:
- Develop modules keeping micro services architecture philosophies in check. - Implement and/or oversee implementation of different modules as part of an integrated development team. - Drive evolution of application performance. - Ensure project scalability by having good project architecture
Skill Requirements:
- Strong Node.js. - Strong database technology skillsets, namely MongoDB, MySQL
- Should have experience of using Rabbit MQ.
- Python (Django) skills are a plus. - A skilled and pragmatic approach.
- Experience with user-centred design, test-driven development, iterative/incremental and agile practices. - Experience with AWS deployment a definite plus.
Individual applying to the role should ideally have the following attributes.
-Passionate about back-end Development and continually follow the platform & innovations
-Strong and innovative approach to problem solving and finding solutions
- Excellent communicator (written and verbal, formal and informal)
- Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution
- Ability to multi-task under pressure and work independently with minimal supervision.
- Ability to prioritize when under pressure.


-
Total of 3-5 years of experience building cutting-edge products.
-
Must have a degree in Computer Science or a related field. Strong understanding of object-oriented programming, concurrency, and fundamentals of computer science.
-
Technically Hands-on, prior experience with scalable Architecture.
-
Bring 3-5 years of software engineering and product delivery experience, with a strong background in algorithms.
-
Excellent command over Data Structures and Algorithm Proficiency in implementation of algorithms and use of advanced data structures to solve problems in computing
-
Exceptional coding skills in an Object-Oriented programming language (Python preferred with Django framework).
-
Strong problem-solving and analytical skills.
-
Experience with web technologies Java/Python, Linux, Apache, MySQL, solr, memcache, redis.
-
Experience in architecting & building real-time, large-scale e-commerce applications.
-
Experience with high-performance websites catering to millions of daily traffic is a plus.
-
Java/ Python, MySQL, Redis, ElasticSearch, Problem Solving, Scalability, Design Patterns, Distributed System
-
Develop complex software products that include scale, algorithmic complexity, and a huge amount of data.
-
Build cutting-edge scalable systems by writing simple and efficient code.
-
Code, develop, design, and architect features related to the existing application. We expect you to own modules end to end and take pride in the work products you ship
-
Contribute to all aspects of an agile software development lifecycle including design, architecture, development, documentation, testing, and operations.
-
Design, implement, and maintain highly scalable, multi-tier, distributed server software applications
-
Deliver across the entire app life cycle, design, build, deploy, test, release to app stores, and support
-
Working directly with developers and product managers to conceptualize, build, test, and release products
-
Take responsibility for performance and stability for all server functions
-
Continuously discover, evaluate, and implement new technologies to maximize development efficiency

We are looking for a Python Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, 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.
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Integration of user-facing elements developed by front-end developers with server side logic
- Implementation of security and data protection
- Integration of data storage solutions
Requirement:
- Hands-on experience with popular frameworks like Express / Loopback.
- Creating and Integrating backend REST APIs
- Hands-on experience with any RDBMS systems.
- Passionate about building complex systems.
- Should be able to understand project requirements thoroughly.
- A deep understanding of the importance of building maintainable, efficient, clean code, while balancing the urgency of business needs.
- Collaborative attitude and experience working with cross-functional teams.
Responsibilities -
- Responsible for driving & delivering web applications.
- Responsible for architecting, solutioning of the project in the requirement phase;
- Responsible for working with the team & enhancing the collaboration, adding value to the project with critical thinking on project design.
- Responsible for creating and integrating the REST APIs
Good to have -
- Experience with AWS / Azure.
- Experience with CI/CD too




