Principal Engineer

Nextiva is currently seeking bright and talented individuals for a Principal Software Engineer position to join our expanding development team. This position is responsible for helping to drive technology efforts which may include architectural design, supporting existing applications, new application development, application testing, and user support. This developer will work with a growing team and help develop new systems from the ground up, as well as support existing applications. A commitment to collaborative problem solving, sophisticated design, and quality product is essential.

As a Principal Software Engineer, you will assist in the development, implementation and management of technology-based business solutions to improve our product offerings. You will assist in the design, coding, testing, and implementation of software applications to meet both functional and technical requirements.

The responsibilities of a Principal Engineer range from: designing systems; writing, developing, testing, and reviewing code; supporting existing applications; liaising with end users to fix defects, find solutions, and test them; adding functionality to applications by designing and implementing solutions; and more.

Key Responsibilities

• Lead Software Delivery Across Teams: Collaborate with and guide one or more development teams to build and ship software solutions that solve complex, high-impact customer problems.
• Influence Strategic Technical Decisions: Play a critical role in driving architectural direction, technology selection, and long-term technical strategy across the engineering organization.
• Design and Develop Scalable Systems: Build robust, RESTful web applications and design highly available distributed systems that support real-time business communications at scale.
• Architect End-to-End Solutions: Tackle complex, cross-cutting challenges that span multiple services and architectural layers, ensuring cohesive and maintainable solutions.
• Embrace Cutting-Edge Technology: Leverage modern tools, patterns, and platforms to create scalable, resilient, and fault-tolerant systems that align with cloud-native principles.
• Shape the Technical Roadmap: Contribute to and help define the engineering roadmap, ensuring alignment with business goals, platform evolution, and industry best practices.
• Drive Customer-Centric Development: Work closely with the product management team to deeply understand user needs, prioritize features, and deliver value through thoughtful, customer-focused design.
• Champion Quality and Maintainability: Deliver testable, well-structured, and maintainable code while fostering a culture of engineering excellence and continuous improvement.
• Continuously Learn and Innovate: Stay ahead of emerging technologies and development practices, and foster an environment where learning and experimentation are encouraged.

Required Skills & Expertise

• 10+ years of professional software development experience with a strong emphasis on Java-based systems, backend architecture, and cloud-native service design.
• Deep expertise in RESTful API design, microservices architecture, and scalable distributed systems.
• Extensive hands-on experience with:
  • Java (11+), Spring Boot, JPA/Hibernate
  • Kafka, Redis, and both SQL (Postgres, MySQL) and NoSQL (MongoDB) databases
• Proficiency with modern build and package managers including Maven, Gradle, npm, and pip.
• Strong understanding of CI/CD practices, including pipeline creation, blue/green and canary deployments.
• Solid experience with distributed caching, performance tuning, and latency optimization.
• Familiarity with automated testing frameworks such as JUnit, TestNG, Mockito, and related testing strategies (unit, integration, regression).
• In-depth understanding of object-oriented design, design patterns, and enterprise architectural principles.
• Proficient with Linux/Unix-based systems, scripting tools, and command-line utilities.
• Strong focus on secure coding best practices, with experience in data protection, secure APIs, and access control.
• Demonstrated success in leading multi-team initiatives, implementing architectural improvements, and adopting new technologies at scale.

Bonus Qualifications

• Industry experience in UCaaS/CCaaS, real-time communications, or VoIP platforms involving SIP, WebRTC, or RTP.
• Experience with observability tools like Datadog
• Familiarity with Domain-Driven Design (DDD), hexagonal architecture, and event sourcing.
• Contributions to open-source projects, engineering blogs, or technical conference speaking.

Preferred Experience & Technical Stack

Core Technologies

• Languages & Frameworks:
  • Java, Spring Boot, GraphQL (preferred), SQL
• Cloud & Platform Tools:
  • Docker, Kubernetes, GCP Artifact Registry, GCP Storage, GCP Vertex AI
• Messaging & APIs:
  • Kafka, REST APIs
• Data & Storage:
  • Postgres, MongoDB, BigQuery, Redis, ElasticSearch
• Build, Deploy & CI/CD:
  • Git, Gradle, GCP GCloud, Kubernetes, Artifact Registry/Artifactory
• Scripting & OS Tools:
  • Bash, Unix/Linux command-line

Microservice Lifecycle Experience

• Creating microservices with Spring Boot and well-structured RESTful APIs
• Building services using Git, Gradle, Docker, GCloud
• Deploying services via Kubernetes, GCP Artifact Registry, and GCloud deployment pipelines

Total Rewards

Our Total Rewards offerings are designed to allow our employees to take care of themselves and their families so they can be their best, in and out of the office.

Our compensation packages are tailored to each role and candidate's qualifications. We consider a wide range of factors, including skills, experience, training, and certifications, when determining compensation. We aim to offer competitive salaries or wages that reflect the value you bring to our team. Depending on the position, compensation may include base salary and/or hourly wages, incentives, or bonuses.

• Medical - Medical insurance coverage is available for employees, their spouse, and up to two dependent children with a limit of 500,000 INR, as well as their parents or in-laws for up to 300,000 INR. This comprehensive coverage ensures that essential healthcare needs are met for the entire family unit, providing peace of mind and security in times of medical necessity.
• Group Term & Group Personal Accident Insurance - Provides insurance coverage against the risk of death / injury during the policy period sustained due to an accident caused by violent, visible & external means.
  • Coverage Type - Employee Only
  • Sum Insured - 3 times of annual CTC with minimum cap of INR 10,00,000
  • Free Cover Limit - 1.5 Crore
• Work-Life Balance ️ - 15 days of Privilege leaves per calendar year, 6 days of Paid Sick leave per calendar year, 6 days of Casual leave per calendar year. Paid 26 weeks of Maternity leaves, 1 week of Paternity leave, a day off on your Birthday, and paid holidays
• Financial Security - Provident Fund & Gratuity
• Wellness ‍ - Employee Assistance Program and comprehensive wellness initiatives
• Growth - Access to ongoing learning and development opportunities and career advancement

At Nextiva, we're committed to supporting our employees' health, well-being, and professional growth. Join us and build a rewarding career!

Established in 2008 and headquartered in Scottsdale, Arizona, Nextiva secured $200M from Goldman Sachs in late 2021, valuing the company at $2.7B.To check out what's going on at Nextiva, check us out on Instagram, Instagram (MX), YouTube, LinkedIn, and the Nextiva blog.

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