Full Stack Developer

Description We are seeking a Midu2013Senior Level Full Stack Developer to support and maintain a suite of existing enterprise applications. This role will focus on stabilizing, upgrading, and maintaining legacy systems that are currently in u201ckeep the lights onu201d mode. These applications will eventually be sunset, so the work will primarily involve maintenance, upgrades, and support of existing functionality rather than new product development or greenfield engineering. The ideal candidate is comfortable working within established systems, addressing technical debt, upgrades, and out-of-support components, and collaborating in an Agile environment. Key Responsibilities + Maintain and support existing enterprise applications + Implement system upgrades and updates to ensure applications remain stable and secure + Address out-of-support technologies and compatibility changes + Troubleshoot and resolve issues in legacy application environments + Participate in Agile / SAFe ceremonies, including stand-ups, ticket management, and story refinement + Collaborate with development teams to ensure continuity of application functionality + Contribute primarily to back-end development, while still supporting full stack functionality as needed Required Qualifications + Midu2013Senior level developer experience (not a Lead or Architect role) + Strong experience with TypeScript + Strong experience with .NET (4.6 u2013 current versions) + Experience working with legacy ASP.NET applications + Experience with Python (some flexibility; willingness to work in Python environments) + Experience working within Agile or SAFe frameworks + Ability to maintain and enhance legacy or enterprise systems Nice to Have + Experience modernizing or supporting applications approaching end-of-life + Strong debugging and troubleshooting skills in complex environments + Experience working on backend-heavy workloads within full stack applications Requirements u2022 Minimum of 5 years of experience as a mid-to-senior level developer. u2022 Proficient in TypeScript with a strong understanding of its application in development. u2022 Extensive experience with .NET framework, including versions 4.6 and newer. u2022 Familiarity with legacy .NET applications and the ability to work effectively in such environments. u2022 Experience with Python and a willingness to work within Python-based systems. u2022 Strong understanding of Agile or SAFe development frameworks. u2022 Proven ability to maintain and enhance enterprise systems. u2022 Expertise in debugging and troubleshooting complex application environments. Technology Doesn't Change the World, People Do.u00ae Robert Half is the worldu2019s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app ( and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. u00a9 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking u201cApply Now,u201d youu2019re agreeing to Robert Halfu2019s Terms of Use ( and Privacy Notice (.

Created: 2026-03-09