Sr. Backend Developer

Ruby on Rails developer with experience in javascript.
Good to have knowledge of AWS, prometheus, kubernetes and other monitoring tools.
Min exp 1 year. Must be from Pune since we are not able to provide relocation. 

Things you enjoy:
● Learning new things, asking questions
● Analyzing user feedback with the team to learn on what to build
● Iterating on feedback to continuously improve features
● Building APIs and microservices for a system that can scale to millions of emails per
month
● Working closely with our product designers and frontend developers to provide a
delightful user experience
● TDD to make sure all features work as intended
Qualifications:
● B.Sc. in Computer Science or a related field, or equivalent experience
● 2+ years experience working as a software engineer
● Proficiency in Ruby / Rails or equivalent web development language/framework
● Strong in SQL and relational database such as PostgreSQL

Proficient in Node.js - Good knowledge of Mysql/MongoDB/Cassandra/DynamoDB - Expertise in DB Design - At least 2 years of relevant experience - B.tech in Computer Science (or equivalent professional experience) - Experience with modern web application architectures and cloud platforms (AWS, Heroku). - Good Problem Solving and Algorithm Skills

About You:
● You have a minimum of 7 years of experience working on production systems at a
productcompany with a decent scale
● You have a deep understanding of design patterns, memory/performance optimization, and how to summarise and share knowledge
● You have experience developing software services and an understanding of design for scalability,performance, and reliability
● You have excellent experience in managing security, reliability, performance, maintainability, and scalability
● You have familiarity with microservice architecture, containers, and related technologies
● You have strong knowledge of software development fundamentals, including relevant backgroundin computer science fundamentals and agile development methodologies.
● You have a strong development experience in using modern web frameworks in
programminglanguages like Ruby on Rails, Python, Javascript.
● You have a strong understanding of relational databases and SQL and you practice test drivendevelopment
● Would be an added advantage if you have a passion for mentoring and helping people on your team grow and achieve their goals
● You are an excellent collaborator & communicator. You know that startups are a team sport. Youlisten to others, aren’t afraid to speak your mind and always try to ask the right questions.
● You are excited by the prospect of working in a distributed team and company.
● If you like to tinker and have hobby projects, send us links to your blog, github etc

Location: We are open to candidates working from anywhere in India/across the globe. At the moment, however, like most teams, we are fully remote.

•  Software Architecture and Design.

•  Development and Testing.

•  Deployments and Operations.

Roles & Responsibilities :

We are looking for Senior Software Developer (Elixir/ROR) who have past experience in Elixir or Erlang.

• Design and write with the cutting edge Elixir/ ROR language to improve the availability, scalability, latency, and efficiency of the company's range of products.
• Work with the engineering team to explore and create new design/architectures geared towards scale and performance.
• Participate in code and design reviews to maintain our high development standards.
• Engage in service capacity and demand planning, software performance analysis, tuning and optimization.
• Collaborate with product and experience teams to define and prototype feature specifications.
• Work closely with the infrastructure team in building and scaling back-end services as well as performing root cause analysis investigations.
• Design, build, analyze and fix large-scale distributed systems.

Qualifications :

We are looking for developers with 5+ years of experience of which 1-2 yrs of past work experience with ROR / Elixir or Erlang. In terms of Elixir we expect the following:

• You should be aware of idiomatic programming in Elixir, and should have good awareness of concepts such as pattern matching, recursion, and behaviors.
• You should be well versed with concurrency and processes in Elixir. 
• You should be hands on with Genservers, Tasks, Agents, Supervisors, and other OTP concepts in Elixir.
• Plus points if you have worked with data processing libraries such as Genstage, Flow and Broadway.
• 5+ years of overall software engineering experience.
• You should have good experience working with relational and non-relational databases. We use Postgres and Cassandra.
• Good to have but not mandatory working experience with caching tools such as Redis, Queue mechanism setup with RabbitMQ.
• Good knowledge of version management with Git.
• Awareness of TDD. 
• CI/CD knowledge would be a huge advantage.
• Will to design and maintain large scale distributed systems.
• Past experience in building complex applications, either by yourself, or as part of a larger team
• Desire (obsessive?) for maintainability.
• Experience of working with cross-functional remote teams in an Agile software development framework.
• Experience in designing APIs with proper documentation.
• Ability to write useful and maintainable tests.
• Good understanding of the common architectural patterns and design principles.
• Solid understanding of how modern web applications work.
• (Nice to have) Being an active member of the Elixir community (writing blog posts, giving presentations in meetups, etc).
• Strong written and verbal communications skills in English to engage a variety of large audiences, internally and externally.
• Strong analytical and reasoning skills.
• Bachelor’s Degree or equivalent in any relevant discipline.

Responsibilities • Design, build, and maintain efficient, reusable, and reliable Ruby code • Ensure the best possible performance, quality, and responsiveness of the applications • Identify bottlenecks and bugs, and devise solutions to these problems • Help maintain code quality, organization, and automatization. Skills 1. Minimum 2 years of experience with Ruby On Rails. 2. Good understanding of the syntax of Ruby and its nuances 3. Solid understanding of object-oriented programming and Understanding of fundamental design principles behind a scalable application 4. Understanding of functional programming style in Ruby 5. Skills for writing reusable Ruby libraries that may be used in expressive ways 6. Familiarity with concepts of MVC, Mocking, ORM, Microservice and REST API’s 7. Experience with popular web application frameworks i.e Rails 8. Experience with app server i.e PUMA 9. Experience with scheduling frameworks i.e. Sidekiq 10. Familiarity with command-suite libraries i.e CLI,Thor and GLI 11. Knack for writing clean, readable Ruby code 12. Experience with API documentation i.e. Swagger 13. Experience with Azure or any other cloud platform 14. Experience in working with databases i.e NoSQL (MongoDB) and SQL (MSSql or MySql) 15. Implementation of automated testing platforms and unit tests i.e RAKE 16. Proficient understanding of any code versioning tools i.e. Git 17. Familiarity with development aiding tools i.e. Bower, Bundler, Rake etc. 18. Familiarity with continuous integration tools i.e Jenkins or GitLab

(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.  

Roles and Responsibilities Partner with Product and Operation teams to solve problems and identify trends and opportunities • Should have capability to build quick prototypes of decision support tools working with business operations and Psychologists • Define and execute the product roadmap • Develop and implement database, data collection systems, data analytics and other strategies that optimize statistical efficiency and quality • Apply your expertise in quantitative analysis, data mining, and the presentation of data to see beyond the numbers and understand how users interact with both consumer and business products • Maintain existing infrastructure and proactively look for bugs and issues Additional Requirements: • Ability to work on their own given a directive, including working on finding solutions to problems they may encounter (encouraged to bounce ideas and problems off the team but does not need to be guided through the process) • Technical knowledge of building web applications, big data architecture • Good documentation habit • Ability to leverage emerging technologies and identify efficient and meaningful ways to disseminate data and analysis in order to satisfy the business' needs • Strong written and oral communication skills • Excellent organizational and communication skills • Take initiative to ensure the work is completed on time • Support the team during fast paced expansion • Take ownership and apply creative solutions to modern day problems • Work with the development Sales, support and Marketing teams to build and enhance existing products Key Attributes: • Self-motivated, self-directing and a good communicator. A passion for performance, debugging and benchmarking • Self-starter who goes above and beyond the expected requirements of the role • Be flexible and be comfortable in a fast-paced, sometimes ambiguous environment with frequently changing business needs • Work well under pressure, be able to prioritize to meet deadlines and quickly shift priorities as necessary • Positive and optimistic attitude are necessary

Ruby on Rails architecture best practices 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.