{"id":2209343,"url":"https://alion.io/job/league-senior-software-engineer-security","title":"Senior Software Engineer (Security)","company":{"id":58073,"name":"League","domain":"league.com","url":"https://alion.io/company/league-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":79000,"max_usd":140000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":187},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"Platform Engineering","optional":false}],"status":"live","first_seen_at":"2026-10-10T00:15:42Z","employer_posted_date":"2026-10-10","last_verified_at":"2026-10-12T02:40:29Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Join League, a leading healthcare technology company, as a Senior Software Engineer (Security). In this hands-on role, you will focus on building internal security tooling and implementing security-by-design engineering capabilities across our healthcare platform ecosystem. You will collaborate closely with various teams to improve secure software delivery, automate security operations, and protect sensitive healthcare data. This position offers a flexible work environment and a comprehensive benefits package.\nMissions\nDesign, build, and maintain custom internal security tooling used across League’s engineering organization, including automation systems that improve application security.\nWrite secure, maintainable, production-quality code across backend services, APIs, and cloud-native systems, and develop security services and APIs supporting authentication and authorization.\nPartner closely with Security, Infrastructure, Platform Engineering, Compliance, and Product Engineering teams to drive secure engineering practices and translate security concepts into practical engineering solutions.\nProfil recherché\n - We are looking for an engineer who writes production-quality code, builds scalable systems, and applies strong software engineering principles to solve complex security challenges in a modern cloud-native environment- Experience working with Kubernetes and distributed systems in production environments\n- Experience integrating security tooling into CI/CD pipelines and developer workflows\n- Strong hands-on backend engineering experience building APIs, services, and automation systems\n- Experience implementing secure authentication and authorization systems in production applications\n- Experience working in regulated or high-trust environments such as healthcare, fintech, or enterprise SaaS is strongly preferred\n- 5+ years of software engineering experience with strong focus on security engineering, platform engineering, or infrastructure security\n- Experience building internal engineering or security tooling in cloud-native production environments\n- Experience working with AI-enabled systems, AI-assisted engineering workflows, or LLM-based applications is considered a strong asset\n- Ability to balance efficiency with quality and sound judgment\n- What we look for:\n- Curiosity and openness to experimenting with new technologies\n- Demonstrated experience using AI 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