Staff Software Engineer, Backend

Customer.io

. Shape the technical direction of distributed messaging systems in Go .

Posted 9/17/2026full-timeRemoteLead💰 $200,000 - $240,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in shaping the technical direction of distributed messaging systems using Go, with a strong focus on architectural decision-making, mentorship, and driving engineering process improvements. Proven ability to communicate complex technical tradeoffs and build consensus across teams while ensuring high standards of quality and design.

Highest-signal resume keywords

Distributed Systems ArchitectureGo Programming LanguageCloud-Native EnvironmentsMentorship and Technical WritingObservability and Recovery Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Distributed SystemsScalable Systems DesignTechnical DocumentationMetrics and AlertingRollback and CheckpointingPerformance TradeoffsAI Agents UsageRelational DatabasesMySQLStatically Typed Languages

Soft Skills

Consensus BuildingProblem SolvingCommunicationJudgmentBias for Action

Tools & Technologies

AWSGCPEngineering Process ToolsDesign Review Standards

Industry Keywords

Technical DirectionMission-Critical ServicesQuality StandardsEngineering ImprovementsBackground Check Compliance

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsGoogle Cloud PlatformMySQLGo

About the role

Key responsibilities & impact

Shape the technical direction of distributed messaging systems in Go
Make high-level architectural decisions for mission-critical services balancing scale, cost, and reliability
Solve ambiguous, high-stakes problems across squads and functions
Drive decisions when the right answer is not obvious
Build consensus across teams on contested technical questions
Communicate technical tradeoffs to senior leadership
Set quality and design standards
Mentor senior engineers
Create reusable frameworks and documentation
Drive engineering process and tooling improvements across multiple squads
Interview candidates and calibrate against the career ladder
Use AI agents for multi-file changes by scoping work, writing prompts, and verifying output

Requirements

What you’ll need

10+ years building scalable, distributed systems in Go or similar statically typed languages, including several years as an architecture resource
Depth across multiple systems or domains
Track record of designing for production reality and quantifying throughput, cost, and reliability tradeoffs
Experience designing observability and recovery, including metrics, alerting, rollback, backpressure, and checkpointing
Comfort with cloud-native environments, AWS, GCP, relational databases, and MySQL
Understanding of performance tradeoffs
Evidence of improving other engineers through mentorship, technical writing, design review, and durable standards
Bias for action and judgment about which decisions warrant slowing down
Successful completion of background check and employment verifications

Benefits

Comp & perks

10% annual bonus target
100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family
16 weeks paid parental leave
Unlimited PTO
Stipends for remote work and wellness
Professional development budget