{"id":2428258,"url":"https://alion.io/job/trinet-principal-software-engineer-2","title":"Principal Software Engineer","company":{"id":1462,"name":"TriNet","domain":"trinet.com","url":"https://alion.io/company/trinet","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":75,"open_postings":34,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Atlanta, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":143700,"max":287500,"currency":"USD","period":"year","gross":null,"usd_annual":287500},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"GraphQL","optional":false},{"name":"gRPC","optional":false},{"name":"JavaScript","optional":false},{"name":"Okta","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-08-20T13:35:25Z","employer_posted_date":"2026-08-20","last_verified_at":"2026-10-14T09:10:21Z","board_verified":true,"closed_at":null,"days_open":54,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":54},"description":"TriNet is a leading provider of comprehensive human resources solutions for small to midsize businesses (SMBs). We enhance business productivity by enabling our clients to outsource their HR function to one strategic partner and allowing them to focus on operating and growing their core businesses. Our full-service HR solutions include features such as payroll processing, human capital consulting, employment law compliance and employee benefits, including health insurance, retirement plans and workers’ compensation insurance.\nTriNet has a nationwide presence and an experienced executive team. Our stock is publicly traded on the NYSE under the ticker symbol TNET. If you’re passionate about innovation and making an impact on the large SMB market, come join us as we power our clients’ business success with extraordinary HR.\nDon't meet every single requirement? Studies have shown that many potential applicants discourage themselves from applying to jobs unless they meet every single requirement. TriNet always strives to hire the most qualified candidate for a particular role, ensuring we deliver outstanding results for our small and medium-size customers. So, if you're excited about this role but your past experience doesn't align perfectly with every single qualification in the job description, nobody’s perfect - and we encourage you to apply. You may just be the right candidate for this or other roles.\nA Brief Overview\nThe Principal Software Engineer will architect, innovate and create multi-disciplinary technical and functional solutions to complex business problems. This position provides technical leadership to development and design teams and oversees all technical aspects of projects. This candidate must design and implement reusaable services that are highly scalable, secure, performant, and low cost to maintain and operate.\nWhat you will do\nSolves complex and ambitious problems by crafting elegant and impactful solutions and generates concise and effective analysis, reports, and presentation for both internal and external customers.\nContribute to technical innovations along with defining coding standards\nMentors and supports other members of the software development team and contributes to the software development best practices\nServes as an expert advisor to executives on the use of current and future technologies for optimal impact on current and future business strategies and results\nWorking closely with Product owners and other stakeholders to understand the requirements and design software solutions to meet the product requirements\nLeads innovation across the organization by exploring new technologies, demonstrating how to leverage those discoveries through proof of concept and incorporating them into the platform\n CIAM Architecture: Design and implement customer identity and access management (CIAM) systems using Okta APIs and SDKs. \nProtocol Implementation: Build and integrate secure authentication flows using OIDC / OAuth 2.0 (Authorization Code flow with PKCE, Client Credentials) and SAML 2.0. \n API & Microservice Security: Develop token validation mechanisms (JWT validation, scoping, claims handling) to secure backend microservices. \n Custom Customization: Write custom Okta hooks (Inline/Event hooks) and utilize Okta Workflows to extend platform capabilities and sync data with external databases.\nDeveloper Advocacy: Create reusable internal libraries, SDK wrappers, and documentation to help product squads implement identity features safely.\nComplies with all policies and standards\nEducation Qualifications\nBachelor's Degree Computer Science, Engineering or related field or equivalent experience preferred \nExperience Qualifications\nTypically 12+ years Hands-on object-oriented programming in Java or Python and/or Javascript (UI) frameworks \nExperience in Architecting and Designing software solutions for enterprise-wide web application \nSkills and Abilities\nExperience working with cloud native CI/CD tools and technologies. \nExperience with micro service architecture, end-to-end UI/API integration, and knowledge of API protocols like REST, gRPC, and graphQL\nStrong problem solving skills and solutioning complex problems \nExperience in drafting best coding practices and designing highly scalable, secure, and easy to maintain software solutions \nSolid analytical skills with the ability to refine strategic, technical roadmaps and synthesizing to make improvements and recommendations \nAbility to continously drive results, display a high level of confidence, inspire and motive team performance \nAble to architect, design, review and document high level and detail solutions \nProvide hands-on support in implementing critical components across the entire stack, from front-end, middle-tier, back-end, infrastructure and data stores to automate and scale \nExperience in building large scale platforms that deal real-time complex transactions, and ability to troubleshoot distributed systems\nKnowledge of core cloud services and serverless approaches, and infrastructure as a code \nStrong understanding of Application Security best practices and Security by design. \nDeep Protocol Knowledge: Hands-on experience configuring SAML 2.0 (identity/service provider initiated flows) and OIDC (Authorization Code, Implicit, and Client Credentials grants).\nTravel Requirements\nMinimal\nWork Environment\nWork in clean, pleasant, and comfortable office or home setting. The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable persons with disabilities to perform the essential functions. \nThe preferred location for this role is Atlanta, GA, and the salary range for this location is $143,700.00 to $287,500.00. All qualified external applicants will be considered for an in-office role, based in Atlanta. All qualified internal candidates are encouraged to apply and consider relocation to Atlanta and may be considered for remote hire at the company’s discretion. The candidate’s final salary offer will be based on the candidate’s skills, education, work location and experience.\nA candidate’s compensation may also include bonuses consistent with TriNet’s corporate bonus plan.\nAdditionally, subject to applicable eligibility requirements, TriNet offers permanent full-time employees a variety of benefits including medical, dental, and vision plans, life and disability insurance, a 401(K) savings plan, an employee stock purchase plan, eleven (11) Company observed holidays, PTO and a comprehensive leave program. Please click the following link for detailed information about our benefits offerings: https://www.trinet.com/documents/blt5b61a1040aae1904\nPlease Note: TriNet reserves the right to change or modify job duties and assignments at any time. The above job description is not all encompassing. Position functions and qualifications may vary depending on business necessity.\nTriNet is an Equal Opportunity Employer and does not discriminate against applicants based on race, religion, color, disability, medical condition, legally protected genetic information, national origin, gender, sexual orientation, marital status, gender identity or expression, sex (including pregnancy, childbirth or related medical conditions), age, veteran status or other legally protected characteristics. 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