{"schemaVersion":"jobsearcher.job.v1","id":"0ae0763d9de32662e8e53367","url":"https://jobsearcher.com/jobs/0ae0763d9de32662e8e53367","canonicalUrl":"https://jobsearcher.com/jobs/0ae0763d9de32662e8e53367","title":"Principal Software Engineer, Platform Engineering","description":"Principal Software Engineer- Platform Engineering\r\nRemote, United States\r\nJob Overview\r\nWe are seeking a Principal Software Engineer to serve as a technical force-multiplier on Legion's Platform Engineering Team — the backbone of our multi-tenant SaaS application. As a Principal, you independently own significant platform domains, drive architectural decisions that span multiple teams, and elevate the engineering capability of everyone around you.\r\nThis role is fundamentally about software engineering at scale. You will design and build the core platform services, APIs, and data systems that power Legion's product. You remain deeply hands-on — writing and reviewing production code — while operating with the judgment and autonomy of a staff-level engineer. You are a builder first.\r\nResponsibilities And Duties\r\nTechnical Domain Ownership\r\nOwn the design, implementation, and evolution of one or more core platform domains — such as multi-tenancy, API framework, job processing, data pipelines, or platform SDK/extension points.\r\nLead end-to-end software design for significant new capabilities, from technical specification through production delivery and long-term maintainability.\r\nProactively identify and resolve scalability, correctness, and security issues in platform code and data models before they reach production.\r\nDrive data modeling, API design, and service decomposition decisions for high-concurrency, enterprise-scale workloads.\r\nActively use GenAI coding tools (GitHub Copilot, Cursor, Claude Code) as a standard part of your software development workflow — demonstrated prior use required.\r\nEstablish team-wide best practices for AI-assisted development and code review.\r\nCross-Team Technical Leadership\r\nProduce and champion design docs that establish engineering patterns adopted across Platform and adjacent product teams.\r\nLead design reviews for complex systems built by senior and mid-level engineers; provide structured, high-signal feedback that improves both the design and the engineer.\r\nPartner closely with architects to translate long-term strategy into well-sequenced, concrete engineering work.\r\nCollaborate cross-functionally with Product, QA, and Data Engineering to align software design with product and operational requirements.\r\nCode Quality and Engineering Standards\r\nDefine and uphold coding standards, testing practices, and API design conventions for the Platform team.\r\nDrive initiatives that measurably improve platform reliability and developer experience through better software design — not just tooling or process.\r\nLead post-mortems for significant production issues with a focus on durable software fixes, not operational workarounds.\r\nParticipate in on-call rotation; serve as the senior escalation point for complex production issues requiring deep code-level diagnosis.\r\nMentorship and Talent Development\r\nActively mentor Engineers through technical pairing, design feedback, and structured growth conversations.\r\nIdentify and close skill gaps on the team through knowledge-sharing, internal documentation, and architectural walkthroughs.\r\nContribute to hiring: define the technical bar, design engineering interview problems, and provide substantive written debrief feedback.\r\nRequired Skills And Qualifications\r\n8–12 years of experience designing and building backend or platform software for enterprise SaaS or cloud-native applications, with a primary focus on application-layer engineering, not infrastructure operations.\r\nDeep expertise in Java, Spring Boot, Hibernate, MySQL, and RESTful API design — demonstrated through architecting complex, high-throughput production systems.\r\n5+ years working in cloud environments (AWS preferred); strong understanding of how cloud services affect software design, performance, and cost — not just how to configure them.\r\nDemonstrated experience independently driving multi-team software design decisions: writing design docs, facilitating alignment, and managing technical tradeoffs.\r\nStrong command of distributed systems concepts: event-driven architecture, eventual consistency, multi-tenancy isolation, rate limiting, and fault tolerance — applied through code, not configuration.\r\nDemonstrated active use of Generative AI coding tools in professional software development within the past 12 months.\r\nPreferred Qualifications And Attributes\r\nHands-on experience with Elasticsearch and real-time messaging systems (Kafka, SQS, or equivalent) as components of application architecture.\r\nExperience with feature flags and experimentation frameworks integrated into application code in high-scale SaaS environments.\r\nBackground in Workforce Management, HR Tech, scheduling, or other complex regulated enterprise domains.\r\nFamiliarity with multi-jurisdiction labor compliance requirements.\r\nCOMPENSATION & BENEFITS\r\nSalary Range: Base Salary Range: $250,000 - $350,000 + Stock Equity\r\nAt Legion, we offer competitive compensation and benefits packages to all employees. As a fully remote employer, pay for positions is determined using local, national, and industry-specific survey data. Our posted salary range is based on national data and may be refined for a candidate's region or cost-of-living. Salaries will be based on the applicant's location, level of experience, education, and specialized knowledge and skills. Additionally, we consider the external market rate, the amount we have budgeted internally, and internal equity for the same position within the company.\r\n$0 monthly premium and other flexible medical, dental, and vision plans effective on the first day of employment\r\n401k plan\r\nDiscretionary Paid Time Off and Paid Holidays\r\nParental Leave\r\nEquity\r\nMonthly Wellness Reimbursement\r\nMonthly Lunch on Legion\r\nABOUT LEGION\r\nJoin Legion's mission to turn hourly jobs into good jobs. We're a remote, mission-driven team seeking exceptional talent to propel this vision. Embrace a culture that's collaborative, fast-paced, and entrepreneurial. With us, you'll grow your skills, work closely with experienced executives, and contribute significantly to our mission.\r\nLegion Technologies delivers the industry's most innovative workforce management platform. It enables businesses to maximize labor efficiency and employee engagement simultaneously. The award-winning, AI-driven Legion WFM platform is intelligent, automated, and employee-centric. It's proven to deliver 13x ROI through schedule optimization, reduced attrition, increased productivity, and increased operational efficiency. Legion delivers cutting-edge technology in an easy-to-use platform and mobile app that employees love.\r\nIf you're ready to make an impact and grow your career, Legion is where you belong. Join us in making hourly work rewarding and fulfilling.\r\nBACKGROUND AND OPPORTUNITY\r\nThere are almost 75 million hourly workers in the United States, representing more than half of the entire workforce. Historically, managing hourly employees has been difficult due to high attrition (average of 60%) and high replacement costs (average of $3,200 per employee in retail). The ongoing labor shortage and competition from the gig economy make it more difficult to attract and retain hourly employees. The top reasons hourly employees leave their jobs are a lack of schedule empowerment, poor communication with employers, and an inability to get paid early. Gen Z and the millennial workforce demand gig-like flexibility, modern technology, and compelling work options. Legion's mission is to turn hourly jobs into good jobs, serving the hourly workers who make up the majority of the US workforce. We believe in empowering employees and helping employers be efficient and innovative by enabling intelligent automation powered by Legion's Workforce Management platform to optimize labor efficiency and enhance the employee experience simultaneously. Legion WFM was built for the cloud with AI at the core and designed to handle the complexity of modern businesses and meet the needs of today's hourly employees. Our team is comprised of dedicated individuals from all backgrounds and experiences, globally distributed across all time zones.\r\nEQUAL EMPLOYMENT OPPORTUNITY\r\nLegion Technologies is proud to be an equal-opportunity employer and is committed to maintaining a diverse and inclusive work environment. All qualified applicants will be considered for employment without regard to race, color, religion, sex, age, disability, marital status, familial status, sexual orientation, pregnancy, genetic information, gender identity, gender expression, national origin, ancestry, citizenship status, veteran status, and any other legally protected status under federal, state, or local anti-discrimination laws.\r\nDISABILITY ACCOMMODATION\r\nFor individuals with disabilities who need additional assistance at any point in the application and interview process, please email recruiting@legion.co\r\nJ-18808-Ljbffr","company":"Legion Technologies","rawCompany":"legion technologies","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-04-09T09:08:26.252Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Software Engineer, Platform Engineering","description":"Principal Software Engineer- Platform Engineering\r\nRemote, United States\r\nJob Overview\r\nWe are seeking a Principal Software Engineer to serve as a technical force-multiplier on Legion's Platform Engineering Team — the backbone of our multi-tenant SaaS application. As a Principal, you independently own significant platform domains, drive architectural decisions that span multiple teams, and elevate the engineering capability of everyone around you.\r\nThis role is fundamentally about software engineering at scale. You will design and build the core platform services, APIs, and data systems that power Legion's product. You remain deeply hands-on — writing and reviewing production code — while operating with the judgment and autonomy of a staff-level engineer. You are a builder first.\r\nResponsibilities And Duties\r\nTechnical Domain Ownership\r\nOwn the design, implementation, and evolution of one or more core platform domains — such as multi-tenancy, API framework, job processing, data pipelines, or platform SDK/extension points.\r\nLead end-to-end software design for significant new capabilities, from technical specification through production delivery and long-term maintainability.\r\nProactively identify and resolve scalability, correctness, and security issues in platform code and data models before they reach production.\r\nDrive data modeling, API design, and service decomposition decisions for high-concurrency, enterprise-scale workloads.\r\nActively use GenAI coding tools (GitHub Copilot, Cursor, Claude Code) as a standard part of your software development workflow — demonstrated prior use required.\r\nEstablish team-wide best practices for AI-assisted development and code review.\r\nCross-Team Technical Leadership\r\nProduce and champion design docs that establish engineering patterns adopted across Platform and adjacent product teams.\r\nLead design reviews for complex systems built by senior and mid-level engineers; provide structured, high-signal feedback that improves both the design and the engineer.\r\nPartner closely with architects to translate long-term strategy into well-sequenced, concrete engineering work.\r\nCollaborate cross-functionally with Product, QA, and Data Engineering to align software design with product and operational requirements.\r\nCode Quality and Engineering Standards\r\nDefine and uphold coding standards, testing practices, and API design conventions for the Platform team.\r\nDrive initiatives that measurably improve platform reliability and developer experience through better software design — not just tooling or process.\r\nLead post-mortems for significant production issues with a focus on durable software fixes, not operational workarounds.\r\nParticipate in on-call rotation; serve as the senior escalation point for complex production issues requiring deep code-level diagnosis.\r\nMentorship and Talent Development\r\nActively mentor Engineers through technical pairing, design feedback, and structured growth conversations.\r\nIdentify and close skill gaps on the team through knowledge-sharing, internal documentation, and architectural walkthroughs.\r\nContribute to hiring: define the technical bar, design engineering interview problems, and provide substantive written debrief feedback.\r\nRequired Skills And Qualifications\r\n8–12 years of experience designing and building backend or platform software for enterprise SaaS or cloud-native applications, with a primary focus on application-layer engineering, not infrastructure operations.\r\nDeep expertise in Java, Spring Boot, Hibernate, MySQL, and RESTful API design — demonstrated through architecting complex, high-throughput production systems.\r\n5+ years working in cloud environments (AWS preferred); strong understanding of how cloud services affect software design, performance, and cost — not just how to configure them.\r\nDemonstrated experience independently driving multi-team software design decisions: writing design docs, facilitating alignment, and managing technical tradeoffs.\r\nStrong command of distributed systems concepts: event-driven architecture, eventual consistency, multi-tenancy isolation, rate limiting, and fault tolerance — applied through code, not configuration.\r\nDemonstrated active use of Generative AI coding tools in professional software development within the past 12 months.\r\nPreferred Qualifications And Attributes\r\nHands-on experience with Elasticsearch and real-time messaging systems (Kafka, SQS, or equivalent) as components of application architecture.\r\nExperience with feature flags and experimentation frameworks integrated into application code in high-scale SaaS environments.\r\nBackground in Workforce Management, HR Tech, scheduling, or other complex regulated enterprise domains.\r\nFamiliarity with multi-jurisdiction labor compliance requirements.\r\nCOMPENSATION & BENEFITS\r\nSalary Range: Base Salary Range: $250,000 - $350,000 + Stock Equity\r\nAt Legion, we offer competitive compensation and benefits packages to all employees. As a fully remote employer, pay for positions is determined using local, national, and industry-specific survey data. Our posted salary range is based on national data and may be refined for a candidate's region or cost-of-living. Salaries will be based on the applicant's location, level of experience, education, and specialized knowledge and skills. Additionally, we consider the external market rate, the amount we have budgeted internally, and internal equity for the same position within the company.\r\n$0 monthly premium and other flexible medical, dental, and vision plans effective on the first day of employment\r\n401k plan\r\nDiscretionary Paid Time Off and Paid Holidays\r\nParental Leave\r\nEquity\r\nMonthly Wellness Reimbursement\r\nMonthly Lunch on Legion\r\nABOUT LEGION\r\nJoin Legion's mission to turn hourly jobs into good jobs. We're a remote, mission-driven team seeking exceptional talent to propel this vision. Embrace a culture that's collaborative, fast-paced, and entrepreneurial. With us, you'll grow your skills, work closely with experienced executives, and contribute significantly to our mission.\r\nLegion Technologies delivers the industry's most innovative workforce management platform. It enables businesses to maximize labor efficiency and employee engagement simultaneously. The award-winning, AI-driven Legion WFM platform is intelligent, automated, and employee-centric. It's proven to deliver 13x ROI through schedule optimization, reduced attrition, increased productivity, and increased operational efficiency. Legion delivers cutting-edge technology in an easy-to-use platform and mobile app that employees love.\r\nIf you're ready to make an impact and grow your career, Legion is where you belong. Join us in making hourly work rewarding and fulfilling.\r\nBACKGROUND AND OPPORTUNITY\r\nThere are almost 75 million hourly workers in the United States, representing more than half of the entire workforce. Historically, managing hourly employees has been difficult due to high attrition (average of 60%) and high replacement costs (average of $3,200 per employee in retail). The ongoing labor shortage and competition from the gig economy make it more difficult to attract and retain hourly employees. The top reasons hourly employees leave their jobs are a lack of schedule empowerment, poor communication with employers, and an inability to get paid early. Gen Z and the millennial workforce demand gig-like flexibility, modern technology, and compelling work options. Legion's mission is to turn hourly jobs into good jobs, serving the hourly workers who make up the majority of the US workforce. We believe in empowering employees and helping employers be efficient and innovative by enabling intelligent automation powered by Legion's Workforce Management platform to optimize labor efficiency and enhance the employee experience simultaneously. Legion WFM was built for the cloud with AI at the core and designed to handle the complexity of modern businesses and meet the needs of today's hourly employees. Our team is comprised of dedicated individuals from all backgrounds and experiences, globally distributed across all time zones.\r\nEQUAL EMPLOYMENT OPPORTUNITY\r\nLegion Technologies is proud to be an equal-opportunity employer and is committed to maintaining a diverse and inclusive work environment. All qualified applicants will be considered for employment without regard to race, color, religion, sex, age, disability, marital status, familial status, sexual orientation, pregnancy, genetic information, gender identity, gender expression, national origin, ancestry, citizenship status, veteran status, and any other legally protected status under federal, state, or local anti-discrimination laws.\r\nDISABILITY ACCOMMODATION\r\nFor individuals with disabilities who need additional assistance at any point in the application and interview process, please email recruiting@legion.co\r\nJ-18808-Ljbffr","datePosted":"2026-04-09T09:08:26.252Z","dateModified":"2026-04-09T09:08:26.252Z","hiringOrganization":{"@type":"Organization","name":"Legion Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"0ae0763d9de32662e8e53367"},"url":"https://jobsearcher.com/jobs/0ae0763d9de32662e8e53367"}}