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Senior Software Engineer - Cloud SaaS - IE&A
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Added 1 min ago
Staff Software Engineer - Full Stack Developer
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United States
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Added 3 mins ago
Sr. Engineer, Software Engineer (Test Automation Developer)
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Spectrum Effect

[USA] Principal Software Engineer

Bellevue, WA, United States

Hybrid

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Job details

Workplace: Hybrid
Experience: Minimum of 7 years of Python, Go, Rust, C++, or similar related experience and 10+ years of general software development experience
Posting language: English
Posted: Sep 18, 2026

Original job description

Company Description Do you thrive in environments where you are empowered to make impactful decisions and bring clarity to complex problems? Do you want to be part of a fast-moving high-growth company? Come and join us at Spectrum Effect! Spectrum Effect’s mission is to solve the most challenging and costly problems in the wireless industry through innovation and AI-powered automation. Our team is passionate about creating disruptive technologies, developing solutions with engineering excellence, and delivering substantial value to our customers. Deployed by leading mobile operators across the globe, our Spectrum-NET software solution performs automated AI-driven analysis of radio access networks. Spectrum-NET is a cloud-native, horizontally scalable solution based on a Kubernetes-orchestrated microservices architecture. Our 60+ person team is located primarily in Seattle (U.S.) and Monterrey (Mexico), with team members enjoying ownership in our private company through stock options and competitive salaries. This is an amazing opportunity to join an emerging leader in the AI automation space and make a real impact on the mobile industry.

Job Description

We are seeking a Principal Software Engineer with a strong aptitude for designing, developing, and deploying high-performance software solutions while defining best practices and technical standards. The ideal candidate will excel in navigating ambiguity, driving cross-functional collaboration, and translating complex technical concepts or insights into thoughtful solutions.

We are looking for someone who can:

Solution Ownership: Lead the rapid design, development, and iteration of software solutions and features.
System Translation: Work with system engineers to translate complex technical RF requirements and deliver top-tier software solutions that are technically sound, feasible, and aligned with business objectives.
Comfort with Ambiguity: Thrive in a fast-paced startup environment with shifting priorities. Maintain a pragmatic, solutions-oriented outlook and balance speed versus quality trade-offs effectively. Bring structure and clarity when navigating situations with high uncertainty.
Technical Communication: Communicate complex software concepts effectively to both internal and external stakeholders, including executive audiences.
Mentoring: Provide technical guidance to software engineers, particularly in areas like improving engineering processes, ensuring software quality and security standards, and ensuring system reliability and performance.

Qualifications

Bachelor’s degree in Computer Engineering or equivalent
Minimum of 7 years of Python, Go, Rust, C++, or similar related experience and 10+ years of general software development experience
Experience designing and building real-time and near-real-time systems, including ML inference
Experience with distributed systems, databases, and messaging systems
Strong Linux knowledge with hands-on experience.
Strong knowledge of software architecture principles and ability to contribute to architectural discussions
Ability to independently own solutions from design through implementation and iteration
Comfortable working with ambiguity, shifting priorities, and speed-versus-quality & coverage trade-offs.
Strong judgment, decision-making, and problem-solving skills
Experience working in a leadership or senior engineering role
Excellent written and verbal communication skills, capable of engaging with both technical and non-technical stakeholders
Curiosity and willingness to learn domain-specific telecom and RF related technology.

Preferred Skills

Experience with technologies such as Kubernetes, Helm, Docker, Kafka, or NoSQL databases (e.g., MongoDB, InfluxDB)
Familiarity with data/ML techniques and libraries such as NumPy and SciPy is a plus.
Familiarity with modern front-end technologies and frameworks, including JavaScript/TypeScript, Angular, React, or Vue.js.
Experience working with modern deployment techniques and practices, such as CI/CD pipelines and deployment automation
Understanding of RAN (Radio Access Network) concepts, including cells, sites, controllers, and topologies

Additional Information Why Join Us

Dynamic Team: Collaborate with passionate experts driving real innovation in the telecom space
Career Growth: Work on high-impact problems with real ownership and visibility
Meaningful Work: Help shape the next generation of ML-driven network analytics
Attractive Benefits: Competitive salary, stock options, and a flexible work environment

Do you have the technical chops and product sense to help shape the future of wireless automation? Apply now - your next big opportunity starts here.

U.S. Person status is required for this position due to contractual obligations. This is a hybrid position. The candidate should be based in or willing to relocate to the Greater Seattle Area.

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