{"id":1294504,"url":"https://alion.io/job/sparq-senior-lead-full-stack-developer-entra-idapi","title":"Senior Lead Full Stack Developer (Entra ID/API)","company":{"id":2107477,"name":"Sparq","domain":"teamsparq.com","url":"https://alion.io/company/teamsparq","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"B","score":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-01T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Colombia"],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":84000,"max_usd":239000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1232},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"Anthropic","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"Claude","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"React.js","optional":false},{"name":"Vue.js","optional":false},{"name":"JavaScript","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-06-12T14:19:20Z","employer_posted_date":"2026-06-12","last_verified_at":"2026-10-01T17:30:50Z","board_verified":true,"closed_at":null,"days_open":111,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":110},"description":"At Sparq, we help companies solve the right problems-not just build more technology.\nWe’re a modern product engineering partner blending strategy, craftsmanship, and speed to help organizations modernize confidently in the age of AI. From data ecosystems to digital products and AI acceleration, we turn complexity into clarity and ideas into impact.\nIf you’re driven to build what’s next, lead with empathy, and deliver excellence without ego, you’ll feel right at home at Sparq.\nWhy you will enjoy Mondays again:\nOpportunity to work alongside a talented, diverse team in a collaborative and creative environment\nOngoing investment in your growth through training, mentorship, and industry certifications\nHands-on exposure to cutting-edge technologies across multiple industries\nRecognition programs and employee awards within an inclusive culture that celebrates great work, including our AI Innovators Program\nRemote or hybrid work options\nA Day in the Life:\nDesign, build, and maintain secure backend APIs using C#, .NET Core/.NET 6+, and ASP.NET Core, with a focus on authentication, authorization, and secure service communication.\nImplement and support Entra ID/Azure AD authentication flows, including OAuth, JWT, managed identities, and token-based access patterns across backend services and web applications.\nHelp modernize existing systems by supporting migration efforts to Entra ID and Azure-based identity solutions, while identifying opportunities to improve API security and application architecture.\nPartner closely with senior architects and engineering teams to align development work with established security standards, cloud architecture patterns, and Azure best practices.\nActively use AI tools, including Claude through our Anthropic partnership, to streamline tasks, improve the quality of your work, and share best practices with teammates while continuously seeking new ways to integrate AI into your everyday workflows\nCollaborate with front-end developers using Vue.js, React, or Angular to support authentication flow design and ensure backend identity patterns integrate effectively with the user experience.\nDevelop and enhance secure service-to-service integrations within a distributed or microservices-based environment, ensuring APIs are reliable, scalable, and protected.\nTroubleshoot authentication issues across backend services and front-end applications, helping ensure login, access, token handling, and authorization flows work smoothly for end users.\nContribute to technical design discussions, code reviews, and system improvements with an emphasis on clean code, secure development practices, and long-term maintainability.\nWhat it takes:\nAvailability to work within US Mountain Time hours\nConsultative approach and problem solving skills to successfully align digital solutions with long-term business goals of the client\nHands-on experience using AI tools to enhance daily work, or a strong desire to do so, including a willingness to experiment, learn, and champion AI adoption within your role\nClaude Certified Developer or Architect highly preferred; possible opportunity to obtain as a Sparq colleague\nCommitment to understanding and exceeding client expectations\nAbility to perform project oversight and execution of deliverables\nFlexibility to adapt within a high-growth organization\nAbility to lead, mentor and motivate those around them\nHunger for continuous learning and professional development\nIntellectual curiosity to provide creative solutions\nFull understanding of the software development life cycle\nAbility to positively impact fellow colleagues through effective leadership, presentations, coaching, etc. \nDesire to work in a team environment\nGood interpersonal, written and verbal communication skills\nRegardless of your specific role, we seek individuals who are excited to explore, adopt, and evangelize AI tools and methodologies. If you have experience in AI or a proven track record of rapidly learning and mentoring others on emerging tech, you’ll fit right in.\nEqual Employment Opportunity Policy: Sparq is proud to offer equal employment opportunity without regard to age, color, disability, gender, gender identity, genetic information, marital status, military status, national origin, race, religion, sexual orientation, veteran status, or any other legally protected characteristic.\nWe are committed to providing equal employment opportunities and believe in an inclusive workplace. 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