ROR DEVELOPER

Engineering Manager – Backend

Opportunity in this role / Why should you join us?

Series D funded supply chain startup.

Requirements

• Software engineering experience of greater than or equal to 7 years
• Experience managing a technical team of at least 3 people
• Exposure to consumer facing products
• Strong technical background and ability to contribute to design and review
• Familiarity with our tech stack or an analogous tech stack

Technologies Used

• Web application frameworks : Ktor, Spring Boot, Ruby on Rails, Node.js, Java Play, AWS Lambda
• Languages : Kotlin, Java, Ruby, Javascript, Python
• Datastores : PostgreSQL, Aerospike, Redis, DynamoDB, Amazon Redshift
• Communication : HTTP, Amazon SQS, Sidekiq, Amazon SNS
• Server management : Amazon ECS, Docker
• Design frameworks : Domain Driven Design, Clean Architecture, Layered Architecture

Roles and Responsibilities

This role requires a person to drive the engineering of a set of products by aligning with business and product

stakeholders and building and upskilling a team to aid in this. The responsibilities include:

Business and product alignment and planning

• Work closely with business and product stakeholders to understand and align with product initiatives and iterations.
• Help shape the engineering requirement by aligning with the product manager and fleshing out concepts and user flows.
• Formalize business requirements into roadmaps and sprints.

1. Product and system development

• Drive high level modeling and design for projects, also focusing on non-functional aspects, including but not limited to database design, communication protocols, deployment systems, etc.
• Drive adoption of design frameworks like domain driven design, clean architecture, etc., resulting in a robust layered architecture.
• Drive good code review practices, using the review process as a mentoring tool to upskill people.
• Ensure test coverage of systems, partly through unit and integration testing, and partly through blackbox testing by collaborating with the Quality Assurance team, via good testing practices.

1. Project Management

• Drive the execution of the project by delegating tasks effectively.
• Resolve blockers through technical expertise, negotiation and delegation.
• Estimate timelines and ensure adherence to them through effective sync-ups and course corrections.

1. Maintenance

• Formulate SLAs and oversee their adherence for the various systems, effectively tracking issues and performance inefficiencies.
• Performance monitoring and optimization for systems.
• Drive technical re-design, remodeling and refactoring of systems for robustness and sustainability.

1. Team Management

• Typically manage a team of 3 - 6 members and a portfolio of 3 - 6 products.
• Do periodic assessment of reportees, chart their career growth paths and train them.
• Recruit members into the team by collaborating effectively with the recruitment team.

Product Overview

You will be contributing to products concerning both customers and partner drivers. Product sectors

include:

• Growth : You’ll build tools to help boost user growth on the platform including our industry bestdriver on-boarding, training and certification system, referral system, and lead managementmmodels.
• 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.
• 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.
• 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.
• 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.

• 3+ years of experience in Ruby / RoR
  • Experience with data files processing (xls, csv, json, xls, text: 834, NACHA, segments)
  • Experience working with relational databases (PostgreSQL)
  • Experience with Git
  • Good written and spoken English (Intermediate and higher)
  • Experience deploying Rails applications
  • RESTful API, JSON API

Will be a plus:
• Experience working with Unit and Integration Testing (Rspec, Capybara)
• Experience of integration with 3rd party systems and services and cloud technologies ( AWS stack: EC2, RDS, S3, etc.)
• Experience with RuboCop, JSHint/JSLint
• Experience with Microservice Architecture
• Knowledge of HTML5, CSS3
• Experience working with modern JavaScript frameworks — Ember.js, Vue.js

•  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.

• 3+ years of experience with Ruby On Rails.
• Strong Project & Time Management Skills, along with the ability to apply these skills while working independently, or as part of a team.
• Knowledge of blockchain technology, smart contracts and cryptocurrency will be an added advantage
• Experience in fintech domain will be another added advantage
• Bachelor’s degree in computer programming, computer science, or a related field.
• Fluency or understanding of specific languages, such as Java, PHP, or Python, and operating systems may be required.

About the Role:

We are looking for a Senior Software Engineer with experience in ROR/GoLang , having 3+ yrs of experience on how best to leverage and exploit the language’s unique paradigms, idioms, and syntax. Your primary focus will be on developing Enterprise Grade Systems and programs that are scalable and maintainable. You will ensure that these packages and programs are well documented and has a reasonable test coverage. You will coordinate with the rest of the team working on different layers of the infrastructure. A commitment to collaborative problem solving, sophisticated design, and quality product is essential.

What You'll Do

• Writing scalable, robust, testable, efficient, and easily maintainable code
• Translating software requirements into stable, working, high performance software
• Playing a key role in architectural and design decisions, building toward an efficient micro services distributed architecture

What You'll Need

• Working experience on Ruby-on-Rails(ROR)/Golang.
• Worked on enterprise grade systems
• Have designed web services
• Know how to scale systems that have database bottlenecks etc. 
• Having good exposure to Microservices architecture added value.
• Familiarity with OAuth, JWT, SSO, Authentication, and Identity Federation is an added advantage.
• Familiar with AWS, Docker, and Kubernetes, Pods and Meshes are added advantage.
• Experience in MySQL, Snowflake, and MongoDB is an added advantage