Senior Software Engineer, Backend

About Iru

Iru is the AI-powered security & IT platform used by the world's fastest-growing companies to secure their users, apps, and devices. Built for the AI era, Iru unifies identity & access, endpoint security & management, and compliance automation-collapsing the stack and giving IT & security time and control back.

Iru is backed by some of the smartest investors in tech-General Catalyst, Tiger Global, Felicis, Greycroft, and First Round Capital. In July 2024, Iru raised $100 million from General Catalyst, valuing the company at $850 million. Customers include Notion, Cursor, Lovable, Replit, and Mercor, and Iru partners with industry leaders such as ServiceNow and AWS. Iru was named to Forbes' America's Best Startup Employers 2025 list for employee engagement and satisfaction.

The Opportunity

As a Senior Software Engineer , you will play a key role in shaping the architecture, tools, and development processes for one of Iru's product lines. You will collaborate with developers to design, build, and evolve the product while focusing on reliability, scalability, and security concerns. You will work closely with product designers to transform ideas into technical solutions, and help oversee AI implementations.

Required to work on-site in our Coral Gables office Tuesday - Thursday.

How You'll Make a Difference Day to Day:

• Build and Maintain Service Architecture: Architect and implement reliable, scalable backend services to support the application.
• Drive Infrastructure Improvements : Partner with the infrastructure team to evolve CI/CD pipelines and service deployment patterns.
• Mentor and Lead by Example : Lead technical development with knowledge of up-to-date best practices, and guide other engineers through code reviews, architectural discussions, and technical decision-making.
• Design for Scalability and Resilienc e: Build systems that handle growth gracefully and are resilient to failure across distributed environments.
• Evolve Messaging and Integration Patterns: Contribute to the adoption and evolution of event-driven architectures and asynchronous service communication using tools like Kafka or similar.
• Champion Developer Productivity : Ensure our tooling provides developers with the best environment to develop locally, test, and ship their code.
• Continuously Improve System s: Proactively identify bottlenecks and technical debt, leading efforts to improve platform stability and performance.

Minimum Qualifications:

• 5+ years of professional software engineering experience.
• Strong proficiency in backend programming languages (e.g., Python, Go, Java, or similar).
• Experience with event-driven architectures and message brokers (e.g., Kafka, Kinesis, RabbitMQ).
• Deep understanding of service-oriented architecture and microservices best practices.
• Prior experience in a fast-paced startup environment.
• Proficiency with cloud platforms such as AWS or GCP.
• Ability to identify problems/opportunities, break them down into critical parts, and design scalable solutions.
• Hands-on experience with CI/CD pipelines, infrastructure automation, and deployment strategies.
• Strong knowledge of RESTful APIs and/or gRPC.
• Experience writing unit and integration tests to ensure high-quality software.
• Experience with Docker and container orchestration platforms such as Kubernetes or ECS.
• Proficiency in SQL and experience with relational databases such as Postgres or MySQL.
• Strong experience with peer code reviews, offering and receiving constructive feedback to maintain and elevate coding standards.

Preferred Qualifications:

• Exposure to frontend architecture (e.g., React)
• Familiarity with content delivery networks (CDNs) and caching strategies.
• Familiarity with E2E testing systems (e.g. Playwright)
• Familiarity with integrating and scaling backend systems that interact with Large Language Models (LLMs).
• Experience with API gateways (e.g., Kong, AWS API Gateway).
• Familiarity with service meshes (e.g., Dapr, Linkerd, Istio).
• Experience with observability tools and practices, including distributed tracing, logging, and monitoring.

Benefits & Perks

Competitive salary


Hybrid work environment (3 days in office per week)


100% individual and dependent medical + dental + vision coverage

401(K) with a 4% company match

20 days PTO

Iru Wellness Week the first week in July

Equity for full-time employees

In-office lunch stipend provided


Up to 16 weeks of paid leave for new parents

Paid Family and Medical Leave

Modern Health mental health benefits for individuals and dependents

Fertility benefits

Working Advantage employee discounts

Onsite fitness center

Free parking

Exciting opportunities for career growth

We are excited to be serving a significant need for a fast-growing market, and are proud of the high-performing team we have brought together so far. If you're someone who wants to engage in new, exciting projects that will challenge your skills in the best way possible, we would love to connect with you.

At Iru, we believe in fostering an inclusive environment in which employees feel encouraged to share their unique perspectives, leverage their strengths, and act authentically. We know that diverse teams are strong teams, and welcome those from all backgrounds and varying experiences.

Iru is proud to be an equal opportunity employer committed to diversity and inclusion in the workplace. Qualified applicants will be considered for employment without regard to race, color, religion, national origin, age, sex, sexual orientation, gender identity, physical or mental disability, protected veteran or military status or any other status protected by applicable law. #LI-Hybrid

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.