Backend Engineer

At Kalibri Labs, we are helping to redefine and rebuild the way performance metrics are viewed in the hotel industry. We are looking for passionate, energetic, and hardworking people with an entrepreneurial spirit, who dream big and challenge the status quo. We are working on cutting-edge solutions for the industry as they navigate the recovery process. We are using our big data coupled with machine learning and AI to help highlight the path forward. Kalibri Labs is growing, so if you’re ready to make a difference and utilize your talents across a groundbreaking organization, please keep reading!

We are seeking a Backend Software Engineer to design, build, and scale our SaaS-based business intelligence platform, Hummingbird PXM. The engineer will work in a fully integrated, cross-functional Agile team focused on delivering client-facing features and shared tools that power all of our products. This role is critical to building and maintaining the infrastructure and business logic that supports multiple products in our growing suite. The team works with technologies such as Java, Spring Boot, and MongoDB, and deploys updates frequently in a fast-paced, collaborative environment. The Scrum team follows Agile methodology including sprint planning, reviews, groomings, retrospectives, and daily standups.

Collaborates with a team of backend, frontend, full stack, QA, product, and DevOps engineers to develop and deliver backend features aligned with the product roadmap

Designs and implements scalable RESTful APIs and microservices using Java and Spring Boot

Writes and maintains unit and integration tests to ensure code reliability, performance, and production-readiness

Works closely with product managers, QA, and engineering leads to ensure backend services meet business logic and technical requirements

Follows backend software engineering best practices including design patterns, peer code reviews, and version control workflows

Engages actively in code reviews, pair programming, and architecture discussions to improve the overall codebase and system design

Provides consistent updates on progress, identifies blockers, and collaborates with the team to ensure successful sprint execution

Takes ownership of backend architecture and system observability, ensuring logging, monitoring, and scalability best practices are in place

Debugs and resolves issues in all stages of the development lifecycle, with attention to production-level data and usage patterns

Collaborates on CI/CD pipelines and deployment processes to improve release efficiency and maintain a high level of code quality

Participates in roadmap planning, effort estimation, and long-term architectural decisions across a multi-product platform

Proactively identifies opportunities for process or codebase improvements, and communicates ideas clearly to the team

Skills & Requirements

3+ years of hands-on backend development experience in a SaaS environment, preferably in a cross-functional Agile team

Strong experience developing in Java and Spring Boot, with a solid understanding of backend system design, microservices, and REST APIs

Experience working with MongoDB preferred, and familiarity with relational databases (e.g., PostgreSQL, MySQL)

A statistical and analytical mindset when implementing and testing complex business logic

Ability to work collaboratively in a fast-paced environment and adapt to frequent changes and product growth

Experience with CI/CD pipelines, logging, monitoring, and backend system observability

Bonus: Experience building software for data analytics platforms or working with message bus systems

Methodologies & Best Practices

Proficiency in Agile development practices, including Scrum, sprint planning, retrospectives, and daily standups

Strong adherence to version control best practices (e.g., Git), peer code reviews, and DRY principles

Commitment to quality, including writing tests, validating features against production-sized datasets, and presenting demos for early feedback

Clear and proactive communication, with a willingness to collaborate, give and receive feedback, and support team success over individual completion

A growth mindset and openness to learning the system, business domain, and evolving architecture before driving technical decisions

Soft Skills

Strong problem-solving skills with a proactive approach to identifying and addressing technical challenges

Excellent communication, presentation, and interpersonal skills to effectively engage with cross-functional teams

A collaborative mindset, with the ability to work effectively as part of a cross-functional team

Ability to collaborate closely with designers, QA engineers, and product managers to meet project goals and user experience standards

Education

Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience in the tech industry

The Benefits

All positions are fully remote.

We cover 75% of the cost of medical insurance premiums for employees & their dependents with three medical plans through Blue Cross, Blue Shield.

We cover 75% of the cost of dental and vision insurance premiums for employees & their dependents.

We provide a 50% 401k match of the first 6% of the employee's contribution (for a max of 3%).

We also provide $50,000 of life insurance, Long-term disability and an Employee Assistance Program.

All new hires receive a $250 allowance to help them set up their home office.