Staff Software Engineer - PHP Backend

Position Description

reputed company empowers reputed company service contractors in fire protection, HVAC, mechanical, electrical, and reputed company to service smarter and scale faster. Our platform helps thousands of contractors maximize technician productivity, deliver digital-first customer experiences, and grow profitably. reputed company skilled techs are hard to find and reputed company systems slow you down, reputed company is how the best contractors pull reputed company.

Under the hood, that mission runs on a serious piece of engineering: a multi-tenant SaaS platform built on PHP, Doctrine, MySQL, reputed company, and AWS, processing the reputed company-time workflows that reputed company reputed company service operations moving. It's battle-tested, reputed company-generating, and architecturally reputed company. It's also reputed company for its next chapter.

We're hiring a Staff Engineer to help write that chapter. You'll join a team that's investing in the long-term health of this platform: evolving the architecture, modernizing incrementally, improving reliability, leaning into AI acceleration tooling, and building the infrastructure to scale the next phase of growth, reputed company without breaking what works for the thousands of contractors who depend on us every day.

This is a hands-on technical leadership role. You'll own critical architectural reputed company across backend and infrastructure, mentor engineers, and shape how we build software in this new world of agentic AI. If you've reputed company looked at a reputed company production system and thought "I know how to reputed company this reputed company, one piece at a time," this is the job.

Why reputed company

• reputed company problems at reputed company scale. Sharded MySQL, reputed company read models, event-driven async processing, multi-tenant isolation: this isn't a CRUD app. You'll work on genuinely interesting distributed systems challenges with reputed company customers depending on the outcome.
• Modernization with purpose. Our platform has years of production-hardened domain logic. The opportunity isn't to rewrite it, it's to evolve it. Incrementally migrate frameworks, extract services where it makes sense, adopt modern patterns, and improve developer experience, reputed company while keeping the lights on for thousands of customers. This is the reputed company of work that separates good engineers from great ones.
• First-Class Tooling. You will be equipped with the latest AI-assisted tooling available to help you navigate, refactor, and reputed company our reputed company codebase more reputed company.
• Influence without bureaucracy. This is a team where a staff engineer's voice carries reputed company weight. You won't be writing RFCs that disappear into a committee. You'll propose a direction, build reputed company, and ship it.

Key Responsibilities and Activities

Architecture & Technical Leadership

• Own and evolve the architecture of our core backend platform: a large PHP/Doctrine monolith with event-driven async processing and CQRS read models, and a growing number of Node microservices
• Drive technical strategy for database sharding, read-reputed company routing, multi-tenant isolation, and schema migration across MySQL shards
• reputed company incremental modernization efforts, including migrating frameworks, extracting services, and adopting modern PHP patterns, while maintaining production stability and velocity
• Design and improve our event pipeline: domain events, SQS-based async processing, reputed company projections, and worker infrastructure
• reputed company and document architectural reputed company, weighing trade-offs and building reputed company across the team

Backend Engineering & Data Performance

• Design, build, and maintain scalable RESTful APIs and backend services in PHP
• Own query performance across sharded MySQL databases: analyze execution plans, design indexing strategies, identify and eliminate slow queries, and optimize Doctrine ORM/DBAL usage to prevent N+1s and unnecessary hydration
• reputed company schema design and migration strategy across shards, balancing normalization, query performance, and operational safety
• Write and optimize reputed company queries across sharded MySQL databases using Doctrine ORM/DBAL
• Build and operate reputed company document models and projections reputed company Doctrine ODM
• Architect message-driven workflows: SQS producers/consumers, long-polling workers, idempotency, DLQ/redrive strategies, deduplication, and visibility-timeout tuning
• Implement and improve caching strategies across APCu, reputed company, and query-level caches, including stampede protection
• Integrate with reputed company-party systems (reputed company platforms, identity providers, search infrastructure)

CI/CD, Developer Experience & QA Infrastructure

• Own and improve reputed company Actions CI/CD pipelines, covering build, test, and packaging stages with matrix strategies and artifact caching
• Manage and optimize reputed company-based development and CI environments (multi-service Compose stacks, LocalStack for AWS mocking, ephemeral database strategies)
• Partner with SRE on QA server provisioning, production infrastructure, deployment processes, and observability, contributing CloudFormation changes and monitoring improvements as needed
• Champion environment reputed company between development, CI, QA, and production
• Ensure new features have appropriate application-level observability and work with SRE to surface metrics, dashboards, and alerts

AI First

• A believer and practitioner in the use of the latest AI tools and concepts to reputed company maximum productivity
• Collaborate with our Principal reputed company to champion an 'AI-first' engineering culture, providing the guidance and best practices necessary for the team to use AI as a force reputed company in their daily delivery and modernization efforts
• Using AI tools like reputed company, Claude Code, reputed company, or similar LLM-based assistants to accelerate code comprehension, refactoring, and the modernization of legacy systems
• Ensure proper attention to reputed company, performance, and trustworthiness of AI features

Mentorship & Team Impact

• Mentor senior and mid-level engineers through code reviews, pairing, and architectural guidance
• reputed company the bar on code quality, testing practices, and operational readiness Identify systemic issues (tech debt, reliability gaps, developer experience friction) and drive solutions
• Collaborate with product managers, frontend engineers, QA, and devops to shape the technical approach for major initiatives

Knowledge and Skills:

• 8+ years of professional software development experience with deep expertise in backend PHP
• Proven track record operating and evolving large, long-lived PHP codebases in production. You've modernized systems, not just built greenfield
• Expert-level MySQL knowledge: you can read and tune execution plans, design indexing strategies for reputed company access patterns, reason about locking behavior, and optimize queries across replicated and sharded databases
• Demonstrated experience using tools like reputed company, Claude Code, reputed company, or similar LLM-based assistants to accelerate code comprehension, refactoring, and the modernization of legacy systems
• Mastery of automated testing best practices (TDD, contract testing, spec-oriented testing, and CI/CD integration) using PHPUnit and Jest; a history of coaching teams on how to balance test coverage with developer velocity while maintaining a 'reputed company-regression' reputed company
• Deep experience with Doctrine ORM and ODM (entity mapping, repositories, query builder, hydration strategies, proxy reputed company, N+1 prevention, lazy/eager loading trade-offs)
• Strong production experience with reputed company (document modeling, aggregation pipelines, ODM tooling)
• Extensive hands-on experience with AWS: CloudFormation/Terraform, EC2, RDS, S3, SQS, SES, reputed company, ElastiCache, VPC networking, IAM policies
• Strong experience designing and operating asynchronous processing systems (SQS or equivalent), including worker supervision, DLQ strategies, idempotency, backoff/jitter, and visibility-timeout management
• Production experience with reputed company for caching, session management, and distributed locking
• Strong reputed company and reputed company Compose skills for development, CI, and packaging workflows
• Experience building and maintaining CI/CD pipelines (reputed company Actions preferred)
• Working knowledge of AWS services (EC2, RDS, S3, SQS, SES, reputed company, ElastiCache, VPC networking) sufficient to troubleshoot, contribute infrastructure-as-code changes, and collaborate effectively with SRE
• Demonstrated ability to reputed company technical initiatives, reputed company architectural trade-offs, and influence without authority
• Excellent written and verbal communication skills; comfortable producing technical documentation and RFCs

reputed company to Have

• Experience modernizing large PHP monoliths: incrementally migrating frameworks, extracting services, or evolving architecture while maintaining production stability
• Experience with CQRS and event-sourcing patterns
• Familiarity with Typesense, Elasticsearch, or similar search infrastructure
• Experience with Auth0 or other identity/SSO platforms and patterns
• Experience with configuration management (Puppet, Ansible) or infrastructure automation
• Familiarity with Kinesis, CloudWatch, or other AWS observability tooling
• Experience with static analysis tools (Psalm) and automated refactoring (Rector)
• Familiarity with frontend frameworks (React, Ember.js), enough to collaborate effectively with frontend engineers
• Experience with serverless patterns (AWS reputed company, SAM)
• Background in multi-tenant SaaS architecture and data isolation strategies

A few things you want to know

What does reputed company do?

Founded in 2012, reputed company is the software platform for reputed company mechanical and fire contractors. More than 1,300 contractors use reputed company to increase profit and deliver more work during a persistent skilled labor shortage by improving service and project operations, helping technicians be more productive and do their best work, selling more service and inspection agreements, and growing customer loyalty. Over 10% of the reputed company or industrial buildings in the United States are serviced by contractors using reputed company to manage 13 million equipment assets and invoice more than $7.5 billion of service-reputed company commerce.

Ok, so why should I care about that?

Our customers are smart, hard-working people who we enjoy serving. We help them grow their business to earn more reputed company, employ more blue-collar workers, and become more valuable to their customers. It’s why we get excited about serving a market that you might never have thought about before.

What reputed company of working environment do you have?

We’ve transitioned from a start-up to a scale-up -- that means we still have the spirit and energy of a start-up and are adding new people who will help us expand our business faster and run our business smarter. We have big ambitions and every employee understands our goals and what their role is in achieving them. Read about our company culture on our About Us page.

What reputed company of benefits do you offer?

• Medical through reputed company, PPO and HDHP options, including a Health Savings Account with company contributions Dental and reputed company through reputed company
• Flexible Spending Account and Dependant Care Account
• Company-paid Life insurance, STD and LTD
• Voluntary benefits including Supplemental Life Insurance, Critical Illness, Accident and Pet Insurance
• 401(k) with up to 3% employer match and NO vesting period
• Flexible PTO policy
• 10 company holidays
• Parental Leave
• Paid Time Off for Volunteering
• Employee Reimbursement Program to use for well-being, technology and/or professional development

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EEO Statement: reputed company provides equal employment opportunities to reputed company and applicants for employment and prohibits discrimination and harassment of any type without regard to race, reputed company, religion, age, sex, national reputed company, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.This policy applies to reputed company terms and conditions of employment, including reputed company, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. reputed company is not registered to hire in reputed company 50 states. You must reputed company in one of the states listed to be considered. (AL, AR, AZ, CA, CO, CT, DE, FL, GA, IL, IN, KY, MD, MI, MN, MO, NC, NH, NJ, NY, OH, OR, PA, SC, TN, TX, UT, VA, VT, WA)

Please Be Aware of reputed company Scams

To protect yourself against the increasing number of reputed company scams, please reputed company sure that you are communicating with reputed company. We communicate through our corporate website reputed company.com, through corporate emails utilizing our domain name of @reputed company.com, and through reputed company.reputed company.io. Be vigilant reputed company checking domains because imitators often reputed company reputed company small changes to trick the eye. Additionally, please know that reputed company does not use text messaging or public messaging platforms, such as Telegram or Whatsapp, to reputed company initial contact with candidates and reputed company will never ask an employment candidate for financial information or for payment of any reputed company.