

If you were looking for a rocket-ship, this is it!
* 3+ years of experience with web development building good quality production software
* Proficiency in at least one of: Ruby/Rails or Elixir/Phoenix (Good working knowledge of Elixir, OTP or OO programming)
* Gained good knowledge of working with APIs and performance optimisation to identify bottlenecks and bugs, and devise solutions to these problems
* Familiar with data stores like PostgreSQL & Redis
* You write clean code, automate and continuously deploy it in fast development cycles.
* Experience in designing and building scalable and distributed systems
* Experience with CICD using Gitlab or AWS CodePipeline/CodeDeploy (Exposure to AWS is highly desirable)
* You are proactive and pay attention to the security, scalability, performance, availability and usability of systems

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COMPANY- LIGHTWAVE CONSULTANTS
Position: Ruby on Rails Developer
Experience : 3-7yrs
Location : Lower Parel, Mumbai (Hybrid Work Model)
Job Overview:
We are seeking a proficient Ruby on Rails Developer who brings strong object-oriented programming (OOP) principles, an API-first approach, and experience building scalable applications. The ideal candidate should be comfortable working with modern frontend frameworks, integrating APIs, and contributing to robust, maintainable, and performant backend systems. Familiarity with containerization technologies such as Docker and Kubernetes is a plus. Exposure to other backend languages like Python, Go, or Elixir is an added advantage.
Key Responsibilities:
● Design, build, and maintain scalable web applications using Ruby on Rails.
● Apply OOP principles and design patterns to ensure maintainable and modular codebases.
● Build and maintain RESTful and GraphǪL APIs to support frontend and external integrations.
● Collaborate with frontend teams to ensure seamless integration with modern JavaScript frameworks (React, Vue, etc.).
● Write clean, efficient, and secure code following best practices in performance, testing, and documentation.
● Ensure the system is scalable and performant, capable of handling large-scale data and user interactions.
● Participate in code reviews, system architecture discussions, and continuous improvement processes.
● Work in agile teams, using CI/CD pipelines and version control effectively.
● Implement containerized services and deployments using Docker and optionally Kubernetes.
● Actively contribute to technical decision-making, mentoring junior developers, and maintaining high engineering standards.
Required Skills & Ǫualifications:
●Strong hands-on experience with Ruby on Rails and solid understanding of Ruby language constructs.
● Sound knowledge of OOPs concepts, SOLID principles, and design patterns.
• Proven experience building and maintaining APIs (RESTful and/or GraphǪL).
● Comfortable working with frontend developers and integrating with modern frameworks (React, Vue, etc.).
● Experience working on scalable, production-grade systems.
● Familiarity with SǪL and ActiveRecord, performance tuning, and caching strategies.
● Version control expertise using Git and experience with code review workflows.
● Strong hands-on experience with TDD using RSpec and a clear understanding of testing strategies.
● Comfortable with debugging, profiling, and monitoring production systems.
Preferred Qualifications:
● Exposure to Docker and basic container orchestration with Kubernetes.
● Experience with background job processing (Sidekiq, Resque).
● Knowledge of CI/CD pipelines, deployment strategies, and infrastructure-as-code practices.
● Familiarity with monitoring and alerting tools for backend services.
● Experience working in a microservices or service-oriented architecture (SOA) setup.
● Working knowledge of additional backend languages such as Python, Go (Golang), or Elixir.
● Understanding of security best practices in web development and API design.
● Familiarity with service observability, logs, metrics, and tracing tools

Job description
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.



● Leads a project end-to-end and collaborates across functions. Drives planning,
estimation and execution.
● Understands requirements well and comes up with efficient design
● Develops complex, well backed and bug-free products. Estimates accurately.
● Takes well-reasoned tech decisions keeping in mind goals and trade-offs
● Becomes a go-to person in more than one area. Provide technical mentoring to team
● Communicates clearly, gets clarifications and establishes expectations for all parties
● Helps establish SDLC best practices and high standards of code quality
● Demonstrates excellent problem solving & debugging skills
● Proactively identifies and resolves issues in requirements, design and code
● Contributes in tech recruitment efforts
Ideal Candidate Profile
● Solid experience in RoR, Golang, NodeJS or Python. Good to have exposure to ML.
● Should have experience in cloud computing
● Has an ability to quickly learn and contribute in multiple codebase
● Overcomes roadblocks and requires minimal oversight
● Takes initiatives to fix issues/tech debts before assigned to him/her
● Able to deep dive into codebase and advise QA of possible regression impact
● Communicates tech decisions through design docs and tech talks
● Has delivered projects with end-to-end accountability
● Keeps track of industry trends and introduces right tech/tools for a given job
● Excellent understanding of software engineering practices, Design Patterns, Data
Structures, Algorithms
● 8+ years of experience in product driven organization
● A Bachelors or Masters degree in engineering from a reputed institute (preferably
IITs, NITs, or other top engineering institutes)


- Deliver features in an end-to-end manner: technical design, development, testing, deployment, and maintenance.
- Provide technical leadership and own specific areas of the platform.
- Work closely with Product Managers to translate product requirements to engineering specifications.
- Lead code review efforts and quality efforts in your area of ownership.
- Participate in product discussions, taking ownership and initiative.
- Work independently in a fast-paced environment.
- Mentored and guide junior engineers.
Must Haves:
- Minimum 2 years of working experience in Ruby on Rails/ Python/ Node.JS.
- Strong problem-solving skills, data structures, and algorithms.
- Excellent experience on databases like MySQL, PostgreSQL, etc.
- Familiarity with tools for code reviews, version control (GIT).
- A knack for writing clean, readable Ruby/ Python/Node.JS code.
- Experience in application server hosting and monitoring.
- Understanding of fundamental design principles behind a scalable application.
Nice to Have:
- Hands-on with search platforms (Solr, Elasticsearch, etc).
- Prior experience with microservices-based architecture/SOA/distributed systems.
- Able to implement automated testing platforms and unit tests.
- Experience with common AWS service EC2, RDS, S3, SES, etc.
Key Competencies:
- Building Effective Team
- Solving Problems Creatively
- Learning Agility
- Drive For Result

StackAvenue is an innovative Software Company who builds and manages awesome software for many organisations including ourselves and in various technologies to serve the needs of multiple industries.We specialise in:
- 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.





- Should be able to analyse requirements, design solutions, write code, debug code and modify existing software enhancements or develop new product software.
- Should be able mentor junior developers to perform their tasks more effectively and efficiently.
- Should be able to perform executions against project plans and meet delivery commitments.
- Should have good experience in source control, unit testing, code verification, documentation, automated build, continuous integration, metrics, and code reviews.
- May interact with product specialists / Project Managers / Product Owners to define system requirements and/or necessary modifications and to give status feedback.
- Should be able to work in an Agile Development Environment using SCRUM methodology.
- Should be able to communicate with other teams and stakeholders to achieve the given goal.
- Should be able to participate in the hiring processes.








