Senior Product Engineer

Job not on LinkedIn

🕒 October 5

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 12%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Semaphore Corporation

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 1993

🤝 B2B

💼 Consulting

☁️ SaaS

B2B • Consulting • SaaS

Semaphore Corporation is a technology solutions provider specializing in consulting services related to data management and IT infrastructure. Founded by experienced engineers, the company offers a range of services including datacenter solutions, colocation, bandwidth management, and cloud acceleration tailored to meet the unique needs of its clients. Semaphore acts as an extension of client teams, ensuring personalized and effective solutions that are delivered on time and within budget.

📋 Description

• Take product ideas from problem definition through design, implementation, rollout, and iteration • Develop experiments that may grow into standalone products • Work directly with users and internal stakeholders to identify problems and determine what to build • Make pragmatic scope and architecture decisions • Build backend services, APIs, infrastructure-facing components, and focused frontend experiences • Reuse proven Semaphore systems before introducing new infrastructure • Use AI coding agents to explore, build, test, and ship efficiently • Maintain correctness, security, clarity, reliability, and product quality • Own production outcomes, including reliability, observability, supportability, and compliance requirements • Communicate decisions, progress, and risks clearly • Work closely with engineering, product, infrastructure, and company leadership • Drive ambiguous products or features to strong outcomes

🎯 Requirements

• Track record of independently shipping meaningful software products or major product capabilities • Strong product judgment and ability to identify essential user problems, reduce scope, and assess product readiness • Strong engineering judgment across system design, implementation, reliability, and long-term maintainability • Strong backend and systems fundamentals, including APIs, asynchronous processing, service boundaries, state and lifecycle management, retries, idempotency, and failure recovery • Comfort with infrastructure concepts including virtual machines, storage, networking, authentication, secrets, containers, and cloud platforms • Ability to navigate a polyglot environment including Go, Elixir, Ruby, React, and related technologies; expertise in every language is not required • Frontend capability to build or extend focused product user experiences independently • Fluency with modern AI-assisted development, including decomposing work for agents, supplying context, reviewing generated changes, and building verification workflows • Initiative and persistence with incomplete information; ability to surface risks early and involve others when useful • Strong written and spoken English • Experience working independently in a remote, asynchronous team • Experience with developer tools, CI/CD systems, cloud platforms, or infrastructure products is nice to have • Hands-on experience with distributed systems and event-driven architectures is nice to have • Experience evolving mature codebases while introducing new products or architectures is nice to have • Experience in a lean environment where senior engineers participate in product discovery and customer conversations is nice to have

🏖️ Benefits

• Remote-first work arrangement • Work in a remote, asynchronous team • Broad ownership over product and implementation • Opportunity to work directly with users and internal stakeholders • Opportunity to use AI coding agents in daily engineering workflow • Opportunity to work across product, engineering, infrastructure, and user experience • Opportunity to shape new products and capabilities