Senior Backend Engineer

Josys; Bengaluru; On-site; INR 1,000,000 - 1,800,000; Full time

Job summary

Josys, located in Bengaluru, India, is seeking a skilled Senior Software Engineer to develop and maintain their B2B SaaS product's back-end infrastructure. The ideal candidate will have over 5 years of experience in Ruby on Rails and a strong understanding of software architecture.

This role includes collaboration with development teams, optimizing code, and working with cloud infrastructure, preferably AWS. Communication and mentoring skills are essential for success in this position.

Qualifications

• 5+ years of Ruby on Rails backend development experience.
• Strong independent contributor who can join projects quickly.
• Experience in building and integrating REST APIs in Rails.
• Knowledge of async processors like Sidekiq or Resque.
• Understanding of Ruby on Rails object-oriented concepts.

Responsibilities

• Collaborate with teams to understand business requirements.
• Design and develop back-end components of web applications.
• Optimize code and conduct testing to ensure application security.
• Participate in Agile development practices and code reviews.

Skills

Ruby on Rails backend development

REST APIs

Async processors (Sidekiq, Resque, ActiveJob, Shoryuken)

Problem-solving

Communication

Tools

AWS

HTML

CSS

JavaScript

Job description

About Josys

Josys is a modern AI‑native identity security and governance platform. Enterprise AI adoption has made identity the fastest‑growing attack surface, and the hardest to govern. Josys discovers, governs, and secures every identity — human, machine, and AI agent — across every application in the enterprise, allowing security and IT teams to surface risk, control access, and remediate identity threats in real‑time. Trusted by over 1,000 organizations and MSPs worldwide, Josys turns identity from the fastest‑growing attack surface into an autonomously governed advantage. For more information, visit josys.com.

About The Role

We are looking for a skilled Senior Software Engineer with hands‑on Ruby on Rails expertise to join our team. The successful candidate will be responsible for developing and maintaining the back‑end infrastructure of our B2B SaaS product. The ideal candidate should have a strong understanding of software architecture, database design, and server‑side programming languages. Additionally, the candidate should have experience working with cloud‑based infrastructure (AWS, preferably) and be able to develop highly scalable and secure systems.

Key Responsibilities

• Collaborate with the development team, product managers, and designers to understand business requirements and contribute to technical specifications and software solutions.
• Assist in designing, developing, testing, and deploying back‑end components of web applications.
• Work with front‑end engineers to develop APIs that facilitate smooth data flow and system interoperability.
• Optimize code, conduct testing, and following best practices to ensure the reliability, performance, and security of the application.
• Learn and contribute to the development and maintenance of cloud‑based infrastructure, preferably using AWS, ensuring scalability, high availability, and disaster recovery.
• Collaborate with cross‑functional teams to ensure successful product launches and provide support when needed.
• Participate actively in Agile development practices, including sprint planning, stand‑ups, and retrospectives.
• Contribute to the refinement of user stories, provide effort estimations, and prioritize tasks to ensure timely delivery.
• Participate in code reviews to maintain code quality, receive constructive feedback, and adhere to best practices.
• Stay updated with industry trends and emerging technologies, evaluating their potential benefits for the product and the development team.
• Actively contribute to continuous improvement initiatives by suggesting process enhancements and implementing approved changes.

Requirements / Qualifications

• Candidate should have 5+ years of Ruby on Rails backend development experience
• Strong IC (individual contributor) is required for the role, who can join any existing project and start contributing within a week’s time
• Can build and integrate using REST APIs in rails
• Has experience working on async processors like Sidekiq / Resque / ActiveJob / Shoryuken
• Understands rails object oriented programming concepts
• Familiarity with front‑end technologies such as HTML, CSS, and JavaScript is a plus.
• Exposure to cloud‑based infrastructure, preferably AWS services, and a strong desire to learn about scalable and secure system development.
• Effective problem‑solving in ambiguous and complex technical scenarios.
• Strong computer science fundamentals and automation testing technologies.
• Focus on customer satisfaction and holistic user experience.
• Excellent communication, collaboration, and mentoring abilities.