
Job Description
- Strong understanding of the Ruby programming language and Rails framework
- Proficiency in Javascript including experience with React, Angular or Vue.
- Database understanding (Postgres / MySQL).
- Previous experience maintaining production applications.
- Focus on writing clear, maintainable, tested code.
Skills Required
- Navigating and understanding a large codebase.
- Experience with Git, continuous integration and regular deployments. Understanding and appreciation of UX and usability.
- Excellent communication skills and diligent ability to contribute to the team by performing code reviews.
- Writing tests using Rsp,c and Capybara.

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Numerator is a data and technology company reinventing market research. Headquartered in Chicago, IL, Numerator has 1,600 employees worldwide. The company blends proprietary data with advanced technology to create unique insights for the market research industry that has been slow to change. The majority of Fortune 100 companies are Numerator clients.
Job Description
What We Do and How?
We are a market research company, revolutionizing how it's done! We mix fast paced development and unique approaches to bring best practices and strategy to our technology. Our tech stack is deep, leveraging several languages and frameworks including Python, C#, Java, Kotlin, React, Angular, and Django among others. Our engineering hurdles sit at the intersection of technologies ranging from mobile, computer vision and crowdsourcing, to machine learning and big data analytics.
Our Team
From San Francisco to Chicago to Ottawa, our R&D team is comprised of talented individuals spanning across a robust tech stack. The R&D team is comprised of product, data analytics, engineers across Front End, Back End, DevOps, Business Intelligence, ETL, Data Science, Mobile Apps, and much more. Across these different groups we work towards one common goal: To build products into efficient and seamless user experiences that help our clients succeed.
About the Role
We’re looking for a well-rounded and passionate Full Stack Software Developer to join our team in creating an amazing client experience. If you’re interested in working on all layers of a system from developing new UI controls to creating flexible and scalable data architectures with the latest technologies and tools then Numerator is for you.
This person should be self-motivated. We’re not big on constant oversight and micromanagement. We’re looking for software engineers that can take a task, get clarity as needed, and run with it to produce well-designed quality code. You need to love to code and care about quality and design.
We understand that iteration is important to good design and development. We need a person who can take iterative steps toward delivering a solution. Working with the business the entire way to stay on target and deliver amazing results.
Skills & Requirements
- Minimum 4+ years of relevant experience in Ruby
- Demonstrated experience working on application development projects and test-driven development
- A strong engineer with excellent Ruby experience working with Ruby on Rails
- Experience with Javascript and related frameworks -- Backbone, Angular, React, etc
- Experience with SQL databases – Elasticsearch is a plus
- Experience with REST services and API design
- Knowledge of unit & integration testing
- Knowledge of agile development process
- Experience with version control systems (Git, Subversion etc.)
Having experience in any of the following would be a valuable asset:
- Experience working with AWS
- Experience working with Node.js
- Basic understanding of the HTTP protocol
- Knowledge of business rules engines
- Programming experience on Unix based infrastructure
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
We are looking for a highly skilled computer programmer who is comfortable with both front and back-end programming.
Full-stack developers are responsible for developing and designing front-end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.
Full-stack developers will be required to see out a project from conception to the final product, requiring good organizational skills and attention to detail.
Full Stack Developer Responsibilities:
- Developing front-end website architecture.
- Designing user interactions on web pages.
- Developing back-end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
- Degree in computer science.
- Strong organizational and project management skills.
- Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
- Familiarity with JavaScript frameworks React.js.
- Proficiency with Ruby on Rails
- Familiarity with database technology such as MySQL or Oracle or PostgreSQL.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Attention to detail.
- 5 working days
- Flexible timings
- Work from home granted
Key Responsibilities & Requirements
You should primarily be a backend developer or full stack developer, very good at code reviews and code optimization. Our products depend on processing large amounts of data and having fast response times is absolutely essential.
You will have the opportunity to
- Take responsibility of building systems for scale
- Manage our backend systems and database optimizations
- Assist in key decisions and design architecture that drives development across products
- Define processes and help with efficient functioning of the team
- Work with cross-functional teams to ensure the products are scalable, maintainable and secure
What we expect from you:
- We work on Ruby on Rails but you can have 2+ years of experience as backend developer in any language
- Have a solid grasp of OOP, databases and automated testing methodologies.
- Know how to manage sprint and ensure tasks are completed within the timeline
- Design and implementation of low-latency, high-availability, and performant applications
- Strong understanding of SQL databases
- Proficient knowledge of various authentication methods like JWT, OAuth etc..
- Perform peer code reviews and Code audit - Analyze existing code and remediate performance issues within existing applications
Having seen over 10x growth in 2021 alone, we are expanding our scope of products to cater to the fast growing creator economy and help creators monetize in ways beyond influencer marketing. We are also looking at tremendous growth in the next few years, standing at the verge of building something huge!
Come join our team of developers if a fast learning environment in a high growth industry excites you.
About Winkl
Please check out our product before applying to this position -
* Website - https://winkl.co
* Team - https://winkl.co/about
* Android App - https://play.google.com/store/apps/details?id=co.winkl.app&hl=en
* iOS App - https://www.winkl.co/app
Winkl is a technology company that is changing how influencer marketing is done. From a manual process earlier to an automated and data-driven process with Winkl. More on this here.
Leveraging data & technology helps Winkl scale influencer marketing to a level that wasn't possible earlier. This has helped Winkl power influencer campaigns for top brands in India like Flipkart, Amazon etc.
Culture & Expectations
* At Winkl, no one tells you what to do. We don't micromanage. We don't spoon feed. As long as you're willing to learn new things, are proactive, initiate activities on your own, make mistakes and learn from them, take responsibility, stick to your word of getting things done, we think you'd be a great fit at Winkl.
* On a day to day basis, you'll get to be an important part of a high growth startup as it scales.
* You'll receive all possible support from your team at Winkl to help you succeed.
* Being highly accountable is a non-negotiable requirement
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
Work as a member of a team responsible for developing a large-scale, highly available and fault-tolerant SaaS based Leasing & Asset management solution in the commercial real estate space in accordance with established processes. You will apply your knowledge of building scalable, distributed applications and have the opportunity to work with technologies & frameworks such as Ruby on Rails, NodeJS, ReactJS, Heroku, AWS, Postgres DB
Essential Functions include but are not limited to the following.
You will be expected to:
- Contribute to all phases in the software lifecycle – requirements analysis, solution design, development, and deployment
- Maintain high quality standards for the work undertaken and be responsible for the quality of deliverables.
- Ensure assigned projects are developed in accordance with established engineering processes, adhering to scope, schedule constraints and agile project plans
- Guide/mentor the less experienced team members
- Participate in code reviews
- Work effectively as part of a distributed team
- Document the features worked by him/her
Key technical expertise areas expected for this role:
- Strong programming skills in Ruby with clear understanding of Object-Oriented and Functional programming.
- Experience working with Ruby on Rails framework
- Experience on REST API Programming preferably based on a Microservices Architecture
- Good Understanding of Databases (Postgres) and proficiency in database schema designing & writing efficient SQL Queries.
- Strong troubleshooting skills
- Demonstrable ability to learn new programming languages and frameworks quickly
- Experience with distributed systems with specific focus on security and scalability
- Experience with modern cloud technologies such as AWS
Additional areas that would add value:
- Experience working with Cloud Service providers & platforms like AWS, Heroku
- Strong understanding of Design Patterns & their application in system design
- Test Driven & Behavior Driven Development
- Automated Unit/Integration testing
- Using DevOps & Infrastructure tooling such as GoCD/Jenkins, Git
- Frontend web development with JavaScript frameworks like React
- Experience working on projects, preferably in the real estate domain
- Experience working with Virtualization and Containerization technologies including Docker, Kubernetes.
- Experience working in Agile Scrum/Kanban methodologies
- Experience working with Linux and Shell scripting
Education:
- Bachelors or Master’s in Computer Science or related fields
- 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.
Ruby and Rails
Creating JSON based web services from Ruby on Rails (RoR) apps
HTML5, CSS3, JavaScript, jQuery, CoffeeScript, Ajax, lodash/underscore.js
A firm grasp of object-oriented analysis and design
Good to have knowledge in any front end framework, Angular or above versions, Backbonejs, Ember.js
Should have extensive experience in Agile software development principles, practice, and process
Should have worked on enterprise-cl applications
RoR Performance tuning and scaling
Proficiency in English strongly preferred
A proactive and resourceful person who achieves with minimal oversight
Team player with the ability and desire to become an integral part of a fast-paced team
Good knowledge of relational databases MySQL, Oracle, Microsoft SQL Server, DB2 or similar
Hands-on experience with at least one of the NoSQL environments like MongoDB, Couchbase, Cassandra
Experience with text search systems like elastic, solr or similar
Hands-on experience in integrating with third-party REST APIs
Managing code with Git and other version control tools
Good to have knowledge of Nginx
• 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.






