Senior Reliability Engineer (Backend Focus)
We're looking for a senior backend engineer who builds reliability through elegant, production-ready code architecture.
Build a deeper, more durable customer base while optimizing your bottom line all with Accrue.
About the Role
We're looking for a senior backend engineer who builds reliability through elegant, production-ready code architecture. You'll have significant authority to rearchitect critical systems, replacing homegrown solutions with industry-standard tooling and patterns that handle 10k+ req / sec at scale.
This is primarily a programming role focused on building robust, observable systems through code. You'll spend most of your time architecting and implementing reliability improvements, not managing infrastructure.
What makes this role unique :
- Architectural Authority : Drive decisions on adopting technologies like Temporal.io for durable execution vs. maintaining custom retry logic
- Production Scale : Design systems that handle high-throughput payment and loyalty processing with strict SLA requirements
- Code-First Reliability : Improve system reliability by writing better application code, not just adding monitoring
- Industry Standards Over NIH : Replace internal implementations with proven, production-ready solutions
What you'll do
System Architecture & Reliability Engineering
Rearchitect core reliability patterns : Replace custom retry mechanisms with durable execution engines like Temporal.ioImplement robust event processing : Migrate direct webhook handling to reliable delivery systems like Hookdeck with proper delivery semanticsBuild behavioral monitoring : Integrate time-series databases to detect and alert on changing system behavioral patternsEliminate technical debt : Systematically replace "not invented here" solutions with industry-standard, battle-tested alternativesDesign and implement systems that maintain performance and reliability at 10k+ requests / secondWrite production-grade code for payment processing, wallet operations, and loyalty program mechanicsBuild comprehensive error handling, circuit breakers, and graceful degradation patternsImplement distributed system patterns for fault tolerance and observabilityInstrument deep observability into application code using existing frameworks (Datadog)Design monitoring that provides actionable insights into system behavior and business metricsBuild alerting that proactively identifies reliability issues before they impact usersLead incident response with focus on permanent architectural fixes rather than band-aid solutionsTechnical Leadership
Evaluate and recommend new technologies and architectural patterns for production readinessCollaborate with product engineering teams to embed reliability patterns into new feature developmentDrive technical decisions around system architecture, scaling, and reliability patternsMentor engineers on production best practices and reliable system designWhat you'll need
Required
5+ years backend engineering experience building high-throughput, production systems (10k+ req / sec)Strong programming skills in modern languages - our stack uses TypeScript, but we value polyglot engineersProduction architecture experience with distributed systems, microservices, and reliability patternsSystems thinking : Ability to identify when to build vs. buy vs. adopt existing solutionsCloud-native development with AWS services (ECS, RDS, ELB) and modern deployment patternsTechnical leadership : Experience making architectural decisions and driving technical improvements independentlyHighly Valued
Experience with durable execution systems (Temporal.io, Step Functions, etc.)Background in fintech, payments, or high-reliability systemsKnowledge of event-driven architectures and reliable message processingExperience with time-series databases and behavioral analyticsTrack record replacing legacy systems with modern, scalable alternativesStartup or high-growth experience where you've scaled systems through rapid growthWhat We Offer
Robust health benefits packages (1 of 4 medical plans cost $0 for full family coverage)Company contributed 401k planAn empathetic team that values mental wellness and work / life balanceA brand new NYC office!Ground floor opportunity to bring a product to market that helps people in a way that doesn't exist todaySalary Information
The salary range for this role is $180,000-220,000 USD. Accrue is an equal opportunity employer committed to fostering an inclusive, innovative environment. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.
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