Ruby on Rails Developer Responsibilities:
- Designing and developing new web applications.
- Maintaining and troubleshooting existing web applications.
- Writing and maintaining reliable Ruby code.
- Integrating data storage solutions.
- Creating back-end components.
- Identifying and fixing bottlenecks and bugs.
- Integrating user-facing elements designed by the front-end team.
- Connecting applications with additional web servers.
- Maintaining APIs.
Ruby on Rails Developer Requirements:
- Bachelor’s degree in computer science, computer engineering, or related field.
- Experience working with ruby on rails as well as libraries like Resque and RSpec.
- Ability to write clean ruby code.
- Proficiency with code versioning tools including Git, Github, SVN, and Mercurial.
- Experience with AngularJS or BackboneJS.
- Familiarity with MVC, Mocking, RESTful, and ORM.
- Good understanding of front-end technologies including HTML5, JavaScript, and CSS3.
- Knowledge of server-side templating languages including Slim and Liquid.
- Familiarity with testing tools.

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Job Summary:
We are looking for a skilled and motivated Backend Engineer with 2 to 4 years of professional experience to join our dynamic engineering team. You will play a key role in designing, building, and maintaining the backend systems that power our products. You’ll work closely with cross-functional teams to deliver scalable, secure, and high-performance solutions that align with business and user needs.
This role is ideal for engineers ready to take ownership of systems, contribute to architectural decisions, and solve complex backend challenges.
Website: https://www.thealteroffice.com/about
Key Responsibilities:
- Design, build, and maintain robust backend systems and APIs that are scalable and maintainable.
- Collaborate with product, frontend, and DevOps teams to deliver seamless, end-to-end solutions.
- Model and manage data using SQL (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis), incorporating caching where needed.
- Implement and manage authentication, authorization, and data security practices.
- Write clean, well-documented, and well-tested code following best practices.
- Work with cloud platforms (AWS, GCP, or Azure) to deploy, monitor, and scale services effectively.
- Use tools like Docker (and optionally Kubernetes) for containerization and orchestration of backend services.
- Maintain and improve CI/CD pipelines for faster and safer deployments.
- Monitor and debug production issues, using observability tools (e.g., Prometheus, Grafana, ELK) for root cause analysis.
- Participate in code reviews, contribute to improving development standards, and provide support to less experienced engineers.
- Work with event-driven or microservices-based architecture, and optionally use technologies like GraphQL, WebSockets, or message brokers such as Kafka or RabbitMQ when suitable for the solution.
Requirements:
- 2 to 4 years of professional experience as a Backend Engineer or similar role.
- Proficiency in at least one backend programming language (e.g., Python, Java, Go, Ruby, etc.).
- Strong understanding of RESTful API design, asynchronous programming, and scalable architecture patterns.
- Solid experience with both relational and NoSQL databases, including designing and optimizing data models.
- Familiarity with Docker, Git, and modern CI/CD workflows.
- Hands-on experience with cloud infrastructure and deployment processes (AWS, GCP, or Azure).
- Exposure to monitoring, logging, and performance profiling practices in production environments.
- A good understanding of security best practices in backend systems.
- Strong problem-solving, debugging, and communication skills.
- Comfortable working in a fast-paced, agile environment with evolving priorities.
Responsibilities
- Software Engineering
- Design and develop highly scalable, available, reliable, secure and fault tolerant systems with minimal guidance for a market leader in the logistics industry
- Partner with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team
- Research new technologies and tools that enable building the next generation of our services
- Provide technology leadership to the team and foster engineering excellence
- Product Delivery
- Partner with product managers to define and execute on the feature roadmap
- Translate business requirements into scalable and extensible design
- Coordinate with various cross functional teams on planning and execution
- Maintaining automated build / test / deployment environments
Qualifications
- Software Engineering
- Deep knowledge of one of the programming language they have experience in
- Proficient in OOP and Design Patterns, experience with functional programming would be a plus
- Data modelling experience in Relational Databases
- Ability to design and implement low latency RESTful services
- Product Delivery
- Ability to scope, review and refine user stories for technical completeness and to alleviate dependency risks.
- Well versed in working with agile methodologies which includes phases such as design, development, code review, testing and release management
- Ability to have worked in a CI/CD environment, with hands on experience with Git or any similar source code management tools
- Product Maintenance
- Experience troubleshooting server performance issues such as memory tuning, GC tuning, resource leaks etc
- Continuously refactor applications to ensure high quality design
- Contributing to the backend of the product development.
- Maintaining these applications for accuracy and high availability.
- Contributing to and enforcing great coding practices through code reviews.
- Sharing knowledge with your colleagues during regular knowledge Sharing sessions.
- Collaborate across functions and own the planning, estimation and execution for parts of the product.
- Continuously identify opportunities to improve system designs, architecture and implementation standards.
Requirements:
- Experience of architecting and building products/business critical backend applications using Ruby on Rails.
- Experience with relational databases like Postgres or MySQL.
- Experience of deploying and maintaining web applications.
- Exposure to cloud infrastructure like AWS, GCP etc.
- Familiarity with REST APIs and stress testing tools.
- Good communication skills.
About the company:
💰 Early-stage, funded, growing, growing fast, profitable!
🎯 Mission Driven: To help small & large Indian businesses grow faster
Min. Experience: 3+ years in Full Stack Development
Skillset:
- You primarily identify as a full-stack engineer and are comfortable working on the server-side as well as UI side.
- You have shipped code to production recently and regularly
- You are driven and care about doing a good job and improving your craft.
- You have high integrity, and you are reliable
- You have excellent coding, programming, and problem-solving skills.
- You have experience with implementing modern architectural patterns.
- You have good debugging skills and coding practices
- You are fluent in using the tools of the trade: Editors, Git, Command line, Slack, Jira
- You should have relevant experience in the Ruby on Rails stack.
- You have experience with multiple ORMs
- You have experience in Postgres / MySQL
- You have experience in ReactJS
What you can expect from us:
- Mentorship, growth, great work culture
- We are a people-first team. Mentorship and continuous improvement are a part of the team’s DNA
- We believe in solving problems from first principles
- A good balance between deep focussed work and collaborative work, we won't bother you with unnecessary meetings
What we ask from you:
- Bring your software engineering — both individual brilliance and collaborative skills.
- Bring your good nature — we're building a team that supports each other.
- Be vested or interested in the company vision
- Take ownership of your product
- Should be capable of handling one complete product end-to-end - with minimal oversight
Bonus:
- If you have DevOps expertise: Docker, Kubernetes, AWS
- If you have amazing frontend skills
- If you have created or contributed to an open-source component or library, we will love to see the code
- If you have given a talk or spoken in a meetup/conference
- If you have a hobby project, we will love to hear about it
- If you have previously worked in startups
This is a temporary full time/freelancer role.
Requirements:
- - Write well designed, testable code in popular Javascript frameworks like React, Angular etc. and Ruby/Ruby on Rails.
- A good exposure to both SQL and NoSQL database architectures. - - Ability to write well documented and testable scripts to automate some processes, preferably using Javascript and/or Ruby.
- - A strong problem solving mindset.
- - Excellent oral and written communication skills.
- Ability to work collaboratively in teams, with a self-starting, entrepreneurial and ownership mindset. - - Experience working on Open Source projects is a big plus
Responsibilities:
- - You will be responsible to work on key issues for one of our dashboard platforms, and collaborate with other developers and the product team to drive the product development forward.
- - You will be expected to take ownership of the work you do, and the dashboard platform that you will be working on.
- - You will be also responsible to train future developers on the platform you'll be working on, once they join your team.
- - At times you will be required to communicate and collaborate with our dashboard implementation partners on a technical front, to discuss roadblocks, potential future roadmaps and improvements, along with our engineering and product teams.
- - You will be required to attend weekly cadences with the team to discuss updates and future goals, brainstorm on some problems and give key updates on deliverables on behalf of the team you'll be working with.
Type: Individual contributor with good hands on proficiency.
Must have
- Strong proficiency in at least one of Java, Ruby, Python
- Exposure to databases: any of PostgreSQL, MySQL, Apache Cassandra
- Any NoSQL database experience is a plus
- Exposure to AWS cloud infrastructure: EC2 or S3
- Proficiency with Git
- MUST: Using REST to make API calls.
Great to have:
- Experience working with one or more middleware, enterprise bus, queueing frameworks
- Any of Memcached/Redis, Apache Kafka / RabbitMQ / PubSub+ / AmazonMQ
Soft skills:
- Appreciation for clean and well documented code
What will you do at Tradyl:
(Examples for illustration only)
- Build a shipping service module that is called by our website to query shipping rates from India to a destination country. Configure this to so that an Ops person can update shipping costs as and when they change. Own deployment and monitoring of this service.
- Use Zapier to build a workflow to export a MixPanel report into a Google sheet every day.
- Change our supplier portal (built on bubble.io) to make an API call to our customer facing site, whenever a supplier modifies his profile.
- Write an alert mechanism that identifies catalogues with insufficient information and makes them non discoverable, which can run every day.
- Work with Business Team to design a workflow for product inwarding using Airtable. Write a small app within Airtable so that whenever a product is updated as “shipped” in airtable, it updates the customer facing website.
- Use an open source dashboarding framework to create a quick dashboard to track important business events.
SleepyCat is India's First Mattress-In-A-Box brand! We deliver luxury mattresses, at a fraction of the usual cost, straight from our factory to your doorstep in an easy-to-carry package.
In sleepycat we constantly thrive to make our products and customer experience better using technology.
About Role
We are currently looking out for a Ruby on Rails developer who is motivated to learn and work on challenging projects. You should have a product mindset with great technical skills. In sleepycat we promote new and fresh ideas which can directly or indirectly help customer experience and sales. Sleepycat provides to you platform to bring your thoughts into action and implement them.
Technical skills required: Ruby on Rails
You should be willing to work as a full stack going forward.
Personal and Domain Growth Initiatives
1. In SleepyCat we promote career growth. Once you are settled and have completely owned the system you are hired for, you have the freedom to pick some other technologies inside SC. You will be given time to learn and contribute. Right now we have Web Development (PHP/JS), ReactJS and Ruby on Rails. So you have the freedom to utilize 30% of your time on any of these languages if you wish to and remaining 70% on your primary domain.
2. We also promote self-growth. You can utilize 10% of your time to learn any skill you want and we will help you with that. It is not restricted to the tech domain, could be anything from marketing to sales to personality development.
Interview Process Details
Technical Round 1: Development Knowledge Round
We will test your skills in 3 domains
- understanding an existing written code and ability to make changes
- coding a logical question to test basic coding skills
- ability to think of test cases to write a full proof code
Technical Round 2: Coding Round
45 minutes coding round where you will be required to code live sharing your screen. On the spot problem will be given.
Additional details
Website: https://sleepycat.in/
Work Culture: 6 days(All Saturday half day)
Office Location: 91Springboard, Kalina, Mumbai
Employee Strength: 40+ Employees
Founded: 2017
Funding: $1.6 Million
Read about Sleepycat and funding on Crunchbase: https://www.crunchbase.com/organization/sleepycat
Learn what employees say about SleepyCat on Glassdoor: https://tinyurl.com/r9oqfkl
Checkout what people say about SleepyCat products on Google: https://tinyurl.com/rco3nqr
Company profile
We are the pioneering player in the FinTech industry in India in the institutional credit space. We have created a one of a kind online marketplace for institutional credit ‘CredAvenue’, bringing together issuers and lenders, while also participating in the marketplace through their own balance sheet. Within a short span of two years, CredAvenue has gained immense traction and boasts of multiple clients across sectors, 120+ investors across multiple segments and a high volume of credit deal closures. To read about the latest numbers we have clocked, please visit http://www.credavenue.com">www.credavenue.com.
We are backed by two of the leading global Private Equity firms and have also been successful in attracting high quality talent from some of the leading companies and universities globally. With the fundamentals in place, we are now gearing up for our next phase of high growth, and we are further building up our team to take the company to the next level.
Primary Responsibilities
- Responsible for full software life-cycle, system design and development of front-end & back-end systems
- Writing high-quality code, participating in code reviews, designing/architecting systems of varying complexity and scope
- Identify libraries and technologies worth experimentation
- Build innovative solutions from scratch and liaise with architects and engineers to build solutions
- Mentoring other team members
Required Skill
- Degree in Computer Science or relevant experience
- 2-7 years of relevant hands-on software engineering experience doing software design and development
- Proven experience of working on back-end web frameworks like RoR (preferable) or Python/Django or Node.js
- Good command over at least one JavaScript frameworks like React.js, Vue.js or Angular
- Excellent understanding of relational database structures, having knowledge of unstructured databases (NoSQL) will be an added advantage
- Expertise in object-oriented design, unit testing, integration testing, data structures, algorithms, scalable APIs, etc.
- Knowledge of working on cloud technologies and exposure of AWS services (EC2, RDS, S3, etc)
- Work in a fast-paced environment and make pragmatic engineering decisions in a short amount of time
- Experience with Agile Development and Scrum methodologies.
Work Environment Details
- An opportunity to play a formative role in an ambitious financial services marketplace spanning investment banking, debt capital markets, institutional finance, retail lending and asset management
- A journey that will challenge and reward you in a manner few others will
- Have proven experience of working on back-end web frameworks like RoR (preferable) or Python/Django or Node.js
- A good command over at least one JavaScript frameworks like React.js, Vue.js or Angular
- Be excellent in understanding of relational database structures, have knowledge of unstructured databases (NoSQL) will be an added advantage
- Possess expertise in object-oriented design, unit testing, integration testing, data structures, algorithms, scalable APIs, etc.
- Have knowledge of working on cloud technologies and exposure of AWS services (EC2, RDS, S3, etc)
- Have the ability to work in a fast-paced environment and make pragmatic engineering decisions in a short amount of time
- Have an Understanding of the - Agile- behavior and reflection of the same











