{"id":4041702,"url":"https://alion.io/job/ex-squared-senior-technical-lead-net-core","title":"Senior Technical Lead – .NET Core","company":{"id":4468346,"name":"EX Squared","domain":"exsquared.com","url":"https://alion.io/company/exsquared-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":null},"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":"explicit","locations":["Mexico"],"countries":["MX"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"ClickUp","optional":false},{"name":"JavaScript","optional":false},{"name":"Jira","optional":false},{"name":"JQuery","optional":false},{"name":"MS SQL","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false}],"status":"live","first_seen_at":"2026-11-10T22:23:05Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T22:23:05Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"We’re looking for a Senior Technical Lead (.NET Core)to lead the technical development and evolution of a U.S.-based employee wellness platform.\nIn this role, you'll combine hands-on software development, solution architecture, and technical leadership to build scalable, reliable applications. You'll guide developers, drive technical decisions, and work closely with product managers and stakeholders to ensure successful delivery.\nWe're looking for someone who brings strong technical expertise, takes ownership, communicates proactively, and knows how to lead a team while remaining actively involved in development.\nThis is a 100% remote opportunity for professionals based in Latin America.\nWhat you’ll do\nLead the design, development, and deployment of applications using C#, .NET Core, ASP.NET MVC 5, and Microsoft SQL Server.\nDefine technical architecture, design patterns, and development standards to ensure scalable, maintainable, and high-performing solutions.\nProvide hands-on technical leadership, contributing to development, code reviews, debugging, and troubleshooting.\nGuide and mentor software developers, supporting technical growth, collaboration, and engineering best practices.\nOwn technical decisions, evaluate implementation approaches, and balance business requirements with technical feasibility.\nCollaborate with product managers, stakeholders, and cross-functional teams to define priorities and deliver technical solutions.\nCoordinate development activities, identify dependencies, remove technical blockers, and ensure alignment across the team.\nMaintain clear and proactive communication regarding project progress, technical decisions, risks, and delivery timelines.\nEnsure code quality, application performance, system reliability, and adherence to software engineering standards.\nSupport cloud-based deployments, application integrations, and continuous improvements to existing systems.\nTrack development progress and provide regular updates using ClickUp or similar project management tools.\nWhat you’ll bring\n8+ years of professional experience in software development, with a strong focus on Microsoft technologies.\n3+ years of experience as a Technical Lead, Lead Developer, or Software Architect, with demonstrated responsibility for guiding development teams.\n5+ years of hands-on experience with C# and .NET technologies, including .NET Core and ASP.NET MVC.\n4+ years of experience with Microsoft SQL Server (MSSQL), including database design, queries, stored procedures, and performance optimization.\nStrong understanding of Object-Oriented Programming (OOP), SOLID principles, design patterns, and software architecture.\nExperience developing web applications using HTML5, CSS, JavaScript, JSON, and jQuery.\nProven experience designing and maintaining scalable, reliable, and high-performance enterprise applications.\nExperience with cloud-based architectures, application deployment, and cloud services.\nDemonstrated experience leading code reviews, mentoring developers, establishing technical standards, and resolving complex technical challenges.\nExperience working with Agile/Scrum methodologies and project management tools such as ClickUp, Jira, or similar.\nStrong stakeholder management skills, with the ability to communicate technical decisions, project progress, and risks effectively.\nExcellent problem-solving, organizational, and decision-making skills.\nAdvanced English proficiency (B2+/C1), both written and spoken.\nWhat will make you stand out\nExperience modernizing legacy .NET applications or migrating systems to newer .NET versions.\nHands-on experience with Microsoft Azure, including application hosting, deployment, and cloud architecture.\nExperience leading distributed engineering teams working with U.S.-based stakeholders.\nBackground in SaaS platforms, enterprise applications, or high-availability systems.\nExperience implementing CI/CD pipelines, automated testing, and DevOps practices.\nFamiliarity with system integrations, REST APIs, and third-party services.\nExperience balancing hands-on development responsibilities with team leadership and technical planning.\nA proactive communication style, with a strong sense of accountability, ownership, and continuous improvement.\nWhy EX Squared?\nJoin a team that values curiosity, ownership, continuous learning, and collaboration. 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