About Experience Skills Hire Me Contact

Freelance Ruby on Rails Developer · Available for Hire

Navin
Kumar.

Senior Ruby on Rails (ROR) developer with 9+ years building scalable SaaS platforms, REST APIs, and microservices on AWS and Azure. Available for remote freelance contracts, retainers, and consulting — Rails 5, 6 & 7, PostgreSQL, Redis, Sidekiq, RSpec.

Hire Me View My Work
9+
Years Exp.
10K+
Users Served
99.9%
Uptime
~30%
Perf Gain
01

About

I'm an experienced Ruby on Rails (ROR) developer with 9+ years of professional experience across Rails 5, 6, and 7 — building production SaaS platforms, REST APIs, and microservices for startups and enterprises alike.

My stack: Ruby on Rails, PostgreSQL, Redis, Sidekiq, RSpec, AWS (EC2, RDS, S3, Lambda, CloudFormation), Azure, Docker, and CI/CD pipelines. I write clean, tested, well-documented code that scales.

I've led monolith-to-microservices migrations, maintained 99.9%+ uptime on enterprise SaaS, cut response times by ~30%, and managed full delivery cycles from architecture through deployment.

Open to remote freelance contracts, retainers, and consulting — greenfield Rails builds, legacy Rails upgrades, API integrations, performance audits, and fractional tech lead roles.

Availability
Open to freelance & contract work
Remote · Worldwide · Project or retainer
Location
Deoghar, Jharkhand, India
Contact
navinkumar2508@gmail.com +91 97386 77711 linkedin.com/in/dynamicnavin github.com/Navin-Baliyase
02

Experience

Lead Software Engineer
CloudBolt Software 06/2022 — Present
  • Led a team of 5+ engineers delivering enterprise SaaS solutions serving 10K+ users
  • Spearheaded monolith to microservices migration improving scalability and reducing technical debt
  • Improved deployment frequency from bi-weekly to weekly releases via CI/CD optimization
  • Enhanced system performance through caching and DB tuning, reducing response time by ~30%
  • Maintained 99.9%+ system uptime through resilient architecture design and monitoring improvements
  • Partnered with product and leadership to align engineering roadmap with business objectives
Senior Software Engineer
CloudBolt Software 10/2020 — 06/2022
  • Designed scalable REST APIs and backend services handling high-volume enterprise workloads
  • Automated infrastructure provisioning using AWS CloudFormation
  • Mentored junior engineers reducing onboarding time by ~30%
Senior Software Development Engineer
MyUpchar.com 09/2019 — 10/2020
  • Architected backend systems supporting e-commerce operations and warehouse automation
  • Improved operational efficiency by ~40% through backend workflow automation
  • Reduced API latency and improved service reliability across distributed systems
Software Engineer
Kreatio Software Pvt Ltd 08/2016 — 03/2019
  • Developed scalable Ruby on Rails applications and RESTful services
  • Improved test coverage and reduced production defects
  • Supported AWS/Azure deployments and performance optimization initiatives
03

Skills

🏗️
Backend & Languages
RubyRuby on Rails RORRails 7 REST APIsMicroservices
☁️
Cloud & Infrastructure
AWSAzure CloudFormationCI/CD
🗄️
Databases & Data
PostgreSQLMySQL MongoDBRedis ElasticsearchETL/ELT AWS GlueData Warehousing
🎯
Leadership & Process
Engineering Leadership MentorshipAgile/Scrum System DesignGit
System Architecture & Design
Microservices & API Design
Engineering Leadership & Mentorship
Cloud Architecture (AWS, Azure)
CI/CD & DevOps Automation
Performance Optimization & Scalability
Data Engineering (ETL/ELT, Warehousing)
Stakeholder & Cross-Team Collaboration
04

Available for Hire

I'm a freelance Ruby on Rails developer and engineering consultant available for remote contract work worldwide. Whether you need a senior Rails engineer, a tech lead to scale your team, or an architect to modernise a legacy platform — let's build something great.

🛤️
Ruby on Rails Development
REST APIsSidekiq RSpecRails 5/6/7 PostgreSQLRedis
🔀
Microservices & Architecture
Monolith MigrationService Design Event-DrivenAPI Gateway
☁️
Cloud & DevOps
AWSAzure CloudFormationCI/CD Docker
👥
Team Augmentation & Leadership
Fractional Tech LeadCode Review MentorshipRoadmapping
⚡
Performance Optimisation
DB Query TuningCaching ProfilingLoad Testing
🏗️
SaaS Platform Development
Multi-tenancyBilling RBACIntegrations

Remote-friendly · Hourly, retainer, or project-based · Available across US, EU & APAC time zones

Get a Quote
05

FAQ

Are you available as a freelance Ruby on Rails developer?
Yes — I'm available for remote freelance Ruby on Rails development, contract work, and consulting engagements worldwide. I accept project-based, hourly, and monthly retainer arrangements. Reach me at navinkumar2508@gmail.com to discuss scope and availability.
What Ruby on Rails services do you offer?
I offer full-stack and backend Ruby on Rails development including: REST API design and development, microservices architecture and monolith migration, SaaS platform development (multi-tenancy, billing, RBAC), performance optimisation (DB tuning, Redis caching, Sidekiq), AWS and Azure cloud infrastructure, CI/CD pipeline setup, and fractional tech lead or engineering manager services.
Which Rails versions and technologies do you work with?
I work with Rails 5, 6, and 7 (including Hotwire/Turbo). My typical stack: Ruby on Rails, PostgreSQL, MySQL, Redis, Sidekiq, RSpec, Devise, AWS (EC2, RDS, S3, Lambda, CloudFormation), Azure, Docker, GitHub Actions, and Elasticsearch. I can join projects mid-flight or take them greenfield.
Do you work with startups or only large enterprises?
Both. I work with early-stage startups building their first Rails product, scale-ups migrating off a monolith, and enterprises needing a senior contract Rails engineer or fractional tech lead. Scope, timeline, and budget are agreed upfront with no surprises.
Are you available for remote work across different time zones?
Yes, I'm fully remote and available across US (EST/PST), EU (CET/GMT), and APAC time zones. I have 3+ years of experience working asynchronously with distributed teams across multiple time zones as part of my role at CloudBolt Software.
How do I hire you as a Ruby on Rails developer?
Email navinkumar2508@gmail.com or call +91 97386 77711 with a brief description of your project or requirement. I'll respond within 24 hours with questions, availability, and next steps.
06

Education

🎓
Bachelor of Engineering
in Computer Science
Visvesvaraya Technological University
2012 — 2016 · Bangalore, India
07

Hire Me

Looking to hire a freelance Ruby on Rails developer or need an engineering consultant for your team? I'm available for remote contract work, project-based engagements, and long-term retainers. Let's build something together.

navinkumar2508@gmail.com +91 97386 77711