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Senior Software Engineer (Architecture & Innovation)

avaya • United States
Full Remote
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Avaya seeks a hands-on Senior Software Engineer to take end-to-end technical ownership of a significant subsystem within its enterprise communications and contact center portfolio. The role combines design, implementation, integration coordination, and ongoing quality ownership, with AI-assisted development central to daily work. Candidates need 10+ years of software engineering experience, strong backend skills, distributed systems knowledge, and practical AI coding agent usage.

Key Highlights
End-to-end technical ownership of a significant subsystem within Avaya's enterprise communications and contact center portfolio
AI-assisted development is central — engineers use coding agents to accelerate delivery while verifying and maintaining systems
10+ years of software engineering experience with strong backend skills in languages like Go, Rust, Node.js/TypeScript, or Java
Distributed systems, automated testing, observability, and production troubleshooting expertise required
Key Responsibilities
Own a subsystem from design through production, including technical direction, implementation, interfaces, testing, operational readiness, and ongoing improvement
Translate product goals into clear designs and achievable delivery plans; define interfaces, data flows, and identify dependencies and risks
Personally implement critical functionality and resolve difficult technical problems across backend services, APIs, messaging, data, and user-facing components
Establish integration contracts with adjacent systems; address compatibility, failure behavior, and impact on other teams
Use AI coding agents for substantial engineering work — define tasks, provide context, challenge generated solutions, and verify results through tests and code review
Build quality into the subsystem by addressing security, performance, resilience, and maintainability
Carry work through release and production use; establish observability, safe rollout and rollback practices, and follow through on improvements
Collaborate with product, engineering, and operations partners; document decisions, share knowledge, review code, and help others contribute
Technical Skills Required
Backend Engineering Distributed Systems Automated Testing and Deployment
Benefits & Perks
Health and welfare benefits
Bonus eligibility
Nice to Have
Experience in contact center, telecommunications, or other real-time applications with demanding reliability and latency requirements
Experience delivering across backend services and modern frontend applications
Production AI integrations involving tool use, retrieval, orchestration, or evaluations

Job Description

About Avaya

Avaya is an enterprise software leader that helps the world's largest organizations and government agencies forge unbreakable connections.

The Avaya Infinity™ platform unifies fragmented customer experiences, connecting the channels, insights, technologies, and workflows that together create enduring customer and employee relationships.

We believe success is built through strong connections – with each other, with our work, and with our mission. At Avaya, you'll find a community that values your contributions and supports your growth every step of the way.

Position Overview

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Continue on careers.avaya.com

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