{"id":3277319,"url":"https://alion.io/job/lean-solutions-group-lead-fullstack-developer","title":"Lead Fullstack Developer","company":{"id":3775695,"name":"Lean Solutions Group","domain":"leangroup.com","url":"https://alion.io/company/leangroup-com","size_band":"201-500","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Jobvite","truth_index":null},"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":["Brazil"],"countries":["BR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":29000,"max_usd":84000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2257},"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":"Entity Framework Core","optional":false},{"name":"JavaScript","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false}],"status":"closed","first_seen_at":"2026-10-26T15:16:01Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-10-28T18:43:27Z","board_verified":false,"closed_at":"2026-10-28T18:43:27Z","days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Description\nOverview:\nThe Senior .NET & ReactJS Developer position is aimed at industry professionals exemplifying an excellent understanding of backend development with .NET and frontend development using ReactJS. The primary responsibilities include leading the development of complex web applications, offering technical guidance, and driving key architectural decisions. The job demands comprehensive knowledge of .NET, ReactJS, Azure, and the proficiency to design scalable, efficient, and inventive full-stack solutions.\nPosition Title: Lead Fullstack Developer\nLocation:Remote - LATAM\nWhat you will be doing:\nLead backend operations utilizing the .NET framework, focusing on C#, ASP.NET, MVC, .NET Core, and web APIs. Drive the development of robust and efficient backend systems.\n\nLead front-end development using ReactJS. Maintain highly efficient, scalable, and maintainable code prioritizing user experience and performance. Ensure front-end alignment with project goals.\n\nMake critical decisions on full-stack architecture and design, ensuring robustness, scalability, and efficiency. Directly impact project success through contributions.\n\nUphold the highest standards in code quality, organizing comprehensive code reviews, and championing best practices for full-stack development. Maintain codebase integrity through attention to detail as well.\n\nProvide guidance and support to junior and mid-level developers, fostering a culture of continuous learning and growth. Share expertise and knowledge to develop the next generation of developers.\n\nEffectively manage cloud resources using Azure, deploying, monitoring, and optimizing services. Ensure scalability and reliability of project infrastructure. \n\nRequirements & Qualifications\nTo excel in this role, you should possess:\nExpertise in the .NET framework and C# programming. Must include a deep understanding of advanced concepts of ASP.NET, MVC, and .NET Core.\n\nProficiency in frontend development with ReactJS, understanding its core principles, component lifecycle, state management, and hooks.\n\nStrong understanding of web technologies (HTML5, CSS3, JavaScript/TypeScript).\n\nProficient with RESTful API design and development.\n\nSolid understanding of database technologies (SQL) and ORM frameworks (like Entity Framework).\n\nExperience with Azure and serverless architectures.\n\nFamiliarity with microservices architecture and Azure functions\n\nKnowledge of DevOps practices and CI/CD pipelines.\n\nUnderstanding of Agile development methodologies.\n\nExcellent leadership and team management skills.\n\nStrong problem-solving and analytical abilities.\n\nEffective communication and collaboration skills.\n\nAbility to lead and motivate a team of developers.\n\nWhy you will love GTS: \nJoin a powerful tech workforce and help us change the world through technology\n\nProfessional development opportunities with international customers\n\nCollaborative work environment\n\nCareer path and mentorship programs that will lead to new levels.\n\nJoin GTS and contribute to shaping the data landscape within a dynamic and growing organization. Your skills will be honed, and your contributions will be vital to our continued success. Lean Tech is an equal opportunity employer. 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