Ruby On Rails

Proven work experience as a Ruby on Rails developer

• Leads more than one projects end-to-end and collaborates across functions. Drives planning, estimation and execution.
• Manages stakeholder expectations and offers scalable, reliable, performant and easy to maintain solutions
• Consistently delivers complex, well backed and bug-free products in time
• Consistently takes well thought technical/design decisions
• Develops expertise in more than one area and shares knowledge with others. able to mentor/train in areas which are new to them.
• Drives people to solve engineering challenges
• Enjoys high respect of Tech and other cross functional teams
• Demonstrates effective communication with project team, management and

internal/external clients as necessary.

• Surfaces both technical and non-technical team challenges and helps resolve them
• Champion for SDLC best practices and high quality standards

● Significantly contributes in hiring high performance candidates

• Expert at in RoR, Golang, NodeJS or Python. Good to have exposure to ML.
• Must have experience in cloud computing
• Operates independently with almost no oversight
• Is able to apply domain expertise to think critically and make wise decisions for the

team, taking into account tradeoffs and constraints.

• Communicates tech decisions through design docs and tech talks
• Has delivered multiple projects with end-to-end engineering ownership
• Keeps track of new technology/tools and embraces them as necessary
• 7+ years of experience in product driven organization
• A Bachelors or Masters degree in engineering from a reputed institute (preferably

IITs, NITs, or other top engineering institutes)

Ruby on Rails, MySQL, StimulusJS, React, Elasticsearch, Sidekiq, RSpec, TDD
PRIMARY RESPONSIBILITIES (include but are not limited to)
 Implement new features using Ruby on Rails/ReactJS/MySql/AWS tech stack.
 Learn our cloud-based application and our human business processes.
 Reduce risk by identifying a portion of the application code that can modularized into its own
service; set up an API between that service and the main application.

• Deep understanding of one or more of Java/Go/Scala/C++. Ability to understand and critique
the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture

Experience: 5+ Years

An  Architect  is a hands-on, talented, innovative, and practical individual with functional experience to design, implement and support the delivery of core products and product components.  

• Capable of working under minimal direction and exercising considerable latitude, they will provide technical expertise in developing solutions to complex software engineering problems, which require frequent use of ingenuity and creativity.
• Experienced in designing application framework solutions, performing architectural analysis, and identifying issues and provide solutions for the business problems.
• Sound functional knowledge of application architecture service architecture, code modularity, data synchronisation, customisable workflow management, partner application integration and API developer frameworks.
• Responsibilities:
• Lead the design and development of new architecture and major functional upgrades for the most advanced capabilities 
• Provide technical guidance and mentorship to engineers, designers, and developers.
• Engage cross-organizational teams such as Product Management, Integrations, Services, Support, and Operations, to ensure the success of overall software development, implementation, and deployment.
• Requirements:

Ideal candidate should have

• 7+ years of system implementation experience 
• Experience with any of the following languages like Java / Nodejs / ROR / Python
• Expertise in micro service / Data modelling / AWS / Messaging
• Expertise in building scalable & reliable systems
• Good Experience in working with technologies like AWS, Redis,
• Experience in messaging systems like SQS/RabbitMQ
• Good knowledge of caching, Databases, distributed systems.
• Strong problem solving and analytical skills
• Good experience with Devops

+ Should have worked with latest versions of ruby and rails + Good knowledge of working with atleast one of MySQL, PostgreSQL + Knowledge of mongodb will be added advantage + Good knowledge of working with atleast one of angular.js, node.js or react.js + Good knowledge of writing test cases using rspec + Good knowledge of javascript and jquery + Knowledge of writing test cases for views and javascript will be added advantage + Good knowledge of deployment using mina or capistrano + Good knowledge of Github + Added advantage - worked in team and experience of handling team few members + Should have good communication skills + experience of client communication and directly working with client Added advantage + Active in open source community + Presented paper at Ruby conf in India or abroad

• 2-3+ Years of overall experience.
• Very Strong knowledge in PHP, MySQL, Javascript etc.
• Solid understanding in PHP frameworks like: Symfony, Codeigniter, Laravel etc.
• Development experience with Wordpress and other E- Commerce CMS.
• Experience of creating highly scalable, robust web applications.
• A solid understanding of the full web technology stacks (i.e. Lamp, Rest, API integration, Version control- Git,
and authentication schemes.
• Good to have development experience in JS frameworks like: Node JS, Angular JS, React Js etc.
• Good to have development experience in HTML, CSS, LESS, SASS, Grunt etc.
• Rigor in A / B Testing, test coverage and other web best practices.
• Familiar with Jira and Scrum process.
• Good to have knowledge on Ruby on Rails.
• Fluent in English Communication.

Backend Engineer : 1 – 2 Years Job Description : Koinex aims at being a game-changer in the nascent Indian blockchain industry. We're a small team that's growing fast and we're looking for Backend Engineers. As a member of the engineering team, you will have the opportunity to build and scale backend systems for our exchange platform while also working on new blockchain products. If you believe that you drive for excellence in what you do and would go an extra mile to achieve that, this might be an interesting opportunity for you. Responsibilities: • Translate business requirements and use cases into functional applications. • Design, build, and maintain efficient, reusable, and reliable code. • Review, test, and verify code for adherence to quality and security standards. • Identify bottlenecks and bugs, and devise solutions to these problems. • Help maintain code quality. Expected to have: • Hands-on experience in at least one of Java / Ruby / Golang / Python / Nodejs languages. • A demonstrated history of getting things done. • Experience with testing your own work, without relying on testers or QA. • Teamwork skills with a problem-solving attitude. • You're passionate about Fintech / Crypto / Blockchain. • Knowledge in Web Service and REST. • Have experience with SQL / NoSQL / in-memory databases. Good to have: • Hands-on experience in blockchain technology About Company Koinex is India’s first open orderbook exchange with the support of multiple digital assets onto a single platform. We are an entrepreneurial team of over 60 members — Engineers, Product Designers, FinTech Experts, Marketers, and Customer Success Professionals with one thing in common: a passion for the blockchain technology and the decentralized future. Since our inception in August 2017, we have grown to become the largest digital assets exchange in India. Koinex has been a pioneer with many firsts: fully KYC-compliant, enabling instant deposits and withdrawals, supporting important hard forks, opening the dialogue with top-level regulators among others. We’re now focusing extensively on becoming the forerunner in making India the hotbed of blockchain technology development. If Interested, Kindly Revert back on [email protected] with your updated CV/Resume.

If you're up for a challenge and willing to dive deep into fast paced and robust technologies driving every facet of our world. Shoot a mail and join us. [email protected]