Ruby on Rails Developer

Experience - 1 to 10 years

We are looking for an enthusiastic developer with a strong understanding of core Ruby
and Rails framework along with PostgreSQL database. Someone who is passionate
about coding and loves to work in an ongoing challenging environment. You will be part
of a talented software team. You have to consistently deliver in a fast paced
environment and should be more than willing to build software that people love to use.

Key Responsibilities

The individual role that you’ll play in our team:
● Developing large multi-tenant applications in Rails.
● Understanding Rails best practices and religiously introducing those to our
codebase.
● Knowledge on how to do effective Refactoring.
● Ability to write unit tests and following those practices religiously.
● Working closely with the Product managers and UX team.
● Helping QAs to write automated integration tests.
● Staying up-to-date with current and future Backend technologies and
architectures.

Read the ‘Skills and Experience’ section, it is not the usual yada yada, you’ll be
asked specific questions on these.

Skills and Experience
● Ruby on Rails architecture best practices
● Knowledge on the latest versions on ROR
● Strong OOP knowledge in Ruby.
● Asynchronous Networking in Ruby
● Designing RESTFul HTTP APIs using JSON-Schema or JSON API (jsonapi.org).
● Ability to architect and develop API only backend
● Experience in using ActiveRecordSerializer
● Understanding O-Auth2 or JWT (Json Web Token) authentication mechanisms.
● How to use RSpec
● Rails Security Best Practices
● PostgreSQL and Rails.
● SQL concepts like Joins, Relationships etc.
● Understanding DB Partition strategies.
● Knowledge about refactoring ActiveRecord Models (read this - “7 Patterns to
Refactor Fat ActiveRecord Models”).
● Understanding scaling strategies for a high-traffic Rails applications (2 million+
requests a day).
● Background Job processing using Redis and Sidekiq
● Experience in using Amazon Web Services (AWS) tools.
● Writing automated Deployment Scripts using Capistrano, Ansible etc.
● Sending emails in Rails
● Knowledge in Linux and Git is mandatory

Optional Skills
● Knowledge in using Chef or Puppet
● Ability to do basic DevOps like setting up a Linux server.
● Websocket communication in Rails 5.
● Node.js
● JRuby

- Knowledge of Node.js and frameworks such as Express, StrongLoop, etc - Understanding the nature of asynchronous programming and its quirks and workarounds - Good understanding of server-side templating languages like Jade, EJS, etc

Do you enjoy working on products with direct customer impact? Come and join the Next Generation HR technology company and play a role in the evolution of the team!!

Our Client is B2B SaaS Product Co. in the space of HR Technology. They are helping organisations to take informed decisions in the areas like Hiring, Training and Career Succession processes. The company was formed in 2010 and since has become a market leader in HR technology space. The founders are alumni of Stanford University and their employees have experience in working with PWC, McKinsey and other similar leagues of organisations.With a bright vision of the founders, the organisation is in an expansion mode to capture niche markets and become a global leader in this domain.
As a Full Stack Developer (RoR/Angular), you will be responsible for building, testing, deploying and maintaining scalable applications on cloud platforms like AWS.

 

• 3 years Experience in Ruby on Rails
• Minimum 3 years in MongoDB / PostgreSQL
• Must be from Product based companies   

 

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

Good knowledge and experience of working with backend systems; 

designing server-side architecture, including production maintenance experience are must-haves.

At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).

Understanding of micro-services oriented architecture.

Experience with Databases design (SQL, NoSQL) and analytics

Experience in driving and delivering complex features/software modules from technical design to launch.

Expertise with unit testing & Test Driven Development (TDD)

 

Responsibilities:

• Writes high quality code & unit tests, builds, tests as per agreed timelines
• Participates in technical design and provides estimation
• Owns one or more small to medium features
• Becomes a go-to person in at least one area
• Communicates clearly and gets clarification upfront to minimize rework. Knows when to ask for help to unblock.
• Consistently follows and promotes SDLC best practices: Coding standard, testing, code reviews, code comments etc.
• Exhibit strong problem solving skills, helps other developers and demonstrates teamwork

 

Requirements:

• Understands detailed requirements and demonstrates excellent problem solving skills
• Deep understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
• Excellent programming skills in ROR, Golang, NodeJS, Python
• Strong communication skills
• Strong sense of ownership, drive and ability to deliver results
• 4+ years of experience in product driven organization
• A Bachelors or Masters degree in engineering from a reputed institute
• Experience in Golang, RoR, Unity, ML or Python will be an added advantage

 

(Senior Product Engineer - ROR)

Experience - 3 to 6 years

Location  - Pune

We are looking for an enthusiastic developer with a strong understanding of core Ruby and Rails framework along with PostgreSQL database. Someone who is passionate about coding and loves to work in an ongoing challenging environment. You will be part of a talented software team. You have to consistently deliver in a fast paced environment and should be more than willing to build software that people love to use.

Key Responsibilities

The individual role that you’ll play in our team:

• Developing large multi-tenant applications in Rails.
• Understanding Rails best practices and religiously introducing those to our codebase.
• Knowledge on how to do effective Refactoring.
• Ability to write unit tests and following those practices religiously.
• Working closely with the Product managers and UX team.
• Helping QAs to write automated integration tests.
• Staying up-to-date with current and future Backend technologies and architectures.

Read the ‘Skills and Experience’ section, it is not the usual yada yada, you’ll be asked specific questions on these.

Skills and Experience

• Ruby on Rails architecture best practices
• Knowledge on the latest versions on ROR
• Strong OOP knowledge in Ruby.
• Asynchronous Networking in Ruby 
• Designing RESTFul HTTP APIs using JSON-Schema or JSON API (http://jsonapi.org/">jsonapi.org).
• Ability to architect and develop API only backend
• Experience in using ActiveRecordSerializer
• Understanding O-Auth2 or JWT (Json Web Token) authentication mechanisms.
• How to use RSpec
• Rails Security Best Practices
• PostgreSQL and Rails.
• SQL concepts like Joins, Relationships etc.
• Understanding DB Partition strategies.
• Knowledge about refactoring ActiveRecord Models (read this - “7 Patterns to Refactor Fat ActiveRecord Models”).
• Understanding scaling strategies for a high-traffic Rails applications (2 million+ requests a day).
• Background Job processing using Redis and Sidekiq
• Experience in using Amazon Web Services (AWS) tools.
• Writing automated Deployment Scripts using Capistrano, Ansible etc.
• Sending emails in Rails
• Knowledge in Linux and Git is mandatory

Optional Skills

• Knowledge in using Chef or Puppet
• Ability to do basic DevOps like setting up a Linux server.
• Websocket communication in Rails 5.
• Node.js
• JRuby

Scalefusion (formerly known as Mobilock Pro): (Our Flagship Product)  

Scalefusion MDM allows organizations to secure & manage endpoints including smartphones, tablets, laptops, rugged devices, mPOS, and digital signages, along with apps and content. It supports the management of Android, iOS, macOS and Windows 10 devices and ensures streamlined device management operations with InterOps. Fusion of Endpoints at Scale. 

 

Promobi Technologies:   

ProMobi Technologies provides a leading Mobile Device Management Solution under the brand Scalefusion. The solution allows organizations to manage Android and iOS devices from the cloud. It offers modern mobile device management (MDM), application management (MAM) and content management (MCM) experience for corporate-owned devices. Renowned organizations from startups to Fortune 500 trust Scalefusion for their Device Management.  

Technical Overview
 You will be expected to design, develop and maintain large-scale complex backend web
applications.
 You will be expected to rapidly learn and apply relevant new technologies.
 You will be having a high level of interaction with business and product stakeholders.
 You will be working on the entire web application stack, which includes:
o Web server hosting
o RESTful communication
o Message brokering
o Backend application layer, which includes the service and domain layers
o Data layer for persistence or caching
 You will be participating in an agile software development cycle, which includes:
o Design
o Development
o Code Review
o Unit and Integration Testing
o Release
 As a senior developer, you will be expected to contribute to design, code review, refactoring, and
project management.
 You will be exposed to the following technologies:
o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS
Lambda
o Languages: Ruby, Java, Kotlin, Javascript, Python
o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift
o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS
o Server Management: Amazon ECS, Docker

Product Overview
 You will be contributing to products concerning both customers and partner drivers.
 Product sectors include:
o Growth: You’ll build tools to help boost user growth on the platform including our industry
best driver on-boarding, training and certification system, referral system, and lead
management models.
o Lifecycle Management:  Build tools to help users engage with the platform better, which
includes rewards and recognition module, subscription service, account management tools,
partner and customer wallets and payout modules, and churn detection systems among
others.
o Transaction Experience: You’ll help deliver the most delightful booking experience to our
customers and drivers. As part of this team, you’ll be responsible for our core booking
system, pricing and payment systems, location tracking and filtering services, fraud
prevention systems, and in-app ticketing and support among others.
o Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure high degree
of ride fulfilment on the platform. Tools including allocation methodologies and system,
dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
o Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence.
You’ll build tools for contract management, fleet management, fleet and route optimisation
tools, alerting and monitoring tools, and analytics suite among others.

Back End Engineer – Job Description Our mission is to match every developer to the right job without any interviews.. The publicly accessible platform found at HackerRank.com is a community where coders go to compete for fun, education, prizes, and jobs. HackerRank for Work is our B2B enterprise product and is a set of tools for technical interviewing and assessment that sits on top of our platform. These tools simplify the interview process for any company that hires engineers. We're a 100+ member team across Bangalore & Palo Alto, CA, USA and our revenue is growing at 100% Q-o-Q. We have a database of 2M+ hackers across 31 countries and our customers include Facebook, VMWare, Bloomberg, Adobe, Flipkart, Twitter, Square, Quora, Airbnb, Yelp and many more! We have product-market fit and are looking to scale tremendously. Customer case studies can be found on our company site.   Experience in design and implementation of APIs. Strong coding, design, and architecture experience in any one programming language ecosystem (RoR, J2EE, Spring etc.,) is mandatory. Building, maintaining, and debugging distributed, web-based applications. Experience in building customer facing products is a big plus. Understand scalability and performance challenges. Ability to identify and fix performance bottlenecks. Building highly concurrent and low latency systems. Experience in using various components of backend stack such as cache (Redis, Memcached), RDBMS, NoSQL DB, web server (Nginx, HAProxy), app server (Tomcat, Unicorn), CDN. Need to have basic knowledge of web dev - HTTP headers, session management, cookies, etc.     GET EXCITED. Because you're about to have a huge impact. HackerRank is growing fast and we're having a great time working together as we build! We're a fun, friendly, passionate bunch. And we’re looking for more smiling faces to come join us! The position is full-time and is based in Bangalore. Our office is in Koramangala, a short walk from the Forum mall (https://goo.gl/maps/NNcfWPCn16T2), smack in the middle of great restaurants, bars, and shopping.

Web Developer: Minimum 1 Year experience Good Problem solving ability and Excellent communication skills. Excellent understand of any language : Python, PHP, Ruby, Java (Good to know Functional or Statically typed language) You should understand concepts of Web very well, Web Services Frontend : Jquery, DOM, (Good to know AngulerJS, ReactJS or VueJS) Relational Database : MySQL (Good to know PostgreySQL ) NoSQL DB : MongoDB or any other.