{"id":778634,"url":"https://alion.io/job/xage-senior-backend-engineer","title":"Senior Backend Engineer","company":{"id":688583,"name":"Xage","domain":"xage.com","url":"https://alion.io/company/xage","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":75,"open_postings":8,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lincoln, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":114000,"max_usd":212000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Docker","optional":false},{"name":"ISO 27001","optional":false},{"name":"JavaScript","optional":false},{"name":"Linux","optional":false},{"name":"Nginx","optional":false},{"name":"PKI","optional":false},{"name":"Red Hat","optional":false},{"name":"Ubuntu","optional":false},{"name":"WebSockets","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2024-03-09T00:06:04Z","employer_posted_date":"2024-03-09","last_verified_at":"2026-10-31T14:38:47Z","board_verified":true,"closed_at":null,"days_open":966,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":966},"description":"About the role\nThe Senior Backend Engineer role gives the successful candidate the opportunity to champion the design of path-breaking information security products that address key gaps in security for the Internet of Things. Xage’s product is a unique application of blockchain technology, which leverages the decentralization properties to put adversaries in a position of disadvantage. The role is pivotal to delivering thought leadership, reliability of the product and robustness of its design and architecture.\nAbout Xage\nCyberattacks on critical infrastructure, government, and private enterprises are at an all time high - and only growing more urgent by the day. Xage is a global leader in zero trust access and protection at the forefront of solving this pressing issue. We are pioneering a secure tomorrow by empowering organizations worldwide to connect anyone to anything, while delivering unparalleled defense against every cyber threat.\nWe have built tremendous momentum across governments and commercial enterprises around the world, and it’s just the beginning. Recognized by Forbes as one of America’s Best Startup Employers, Xage prioritizes creativity, collaboration, and innovation in pursuit of our mission. We are headquartered in Palo Alto, CA and have global teams across North America, EMEA, and APJ .\nWe’re passionate about solving problems that have positive, real-world consequences for the lives of everyday people. We hope you’ll join us in the fight against cyberattacks and safeguarding critical infrastructure.\nPerks\nCompetitive salary and equity\nFull health, dental, vision insurance\nWe will process visa transfers and immigration\nWork with founders and executives closely and participate in all aspects of company building\nEarly stage opportunity in a massive sized market with proven traction and growing rapidly\nRecognition & Momentum\nXage Security has experienced explosive growth and received numerous awards and recognition, including:\nNamed by Forbes one of America’s Best Startup Employers 2024\n$17 million contract awarded by U.S. Space Force’s Space Systems Command (SSC) to offer its zero trust access control\nNamed in Gartner research on Cyber-Physical Systems Protection Platforms, Zero Trust Network Access, Remote Privileged Access Management, and CPS Secure Remote Access\nNamed in Forrester research on Operation Technology Security Solutions, and Microsegmentation Solutions\nNamed a Gold winner for Identity & Access Security Solution in the 2024 American Business Awards\nNamed a 25 Hottest Edge Security company by CRN 2023\nNamed a Top 10 Security Solution in the CRN Internet of Things 50 list 2024\nNamed Industrial IoT Innovator of the Year in 2023 IoT Breakthrough Awards\nSC Awards “Best Identity Management Solution” finalist 2022\nISO 27001:2022, IEC 62443, and FIPS 140-2 Certified\nResponsibilities\nTake ownership of specific project scope and initiatives and ensure high quality of deliverables.\nDefine, develop and maintain the deployment process and tools for Xage solutions spanning across both IT, OT and Cloud environments.\nProvide ongoing support and improve the system health and reliability.\nStay up-to-date with emerging technologies and adopt best practices for highly scalable and distributed and autonomous systems.\nLead, direct, guide and empower others to succeed.\nRequirements\n3+ years of experience in software development using HTTP/s proxies, Websockets, packet tracing, multi-tier client/server communication.\nIn-depth understanding and practical knowledge of Javascript execution in the security context of modern web browsers, authentication/authorization using JWT, SAML, SSO.\nFundamental working knowledge on multi-threading programming, inter-process communication, socket programming, high performance and low latency programming.\nKnowledgeable in C++/go/Java-based secure coding, vulnerability assessment, threat analysis.\nHands-on experience with application protocols RDP, VNC, HTTP, SSH and core concepts on Authentication, certificates, TLS, etc.\nExperience in cryptography, PKI, microservice architecture and large scale infrastructure, reverse proxies, NGINX, SOCKS5, Session Management with Load Balancers.\nHighly focused on quality, debugging and troubleshooting skills.\nStrong communication skills and expert system level skills on Linux OS such as Ubuntu, Alpine, Red Hat Linux, Docker.\nExperience developing NGINX 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