Senior C# .NET Software Engineer

We’re on the lookout for a Senior C# .NET Software Engineer with strong expertise in Microsoft technologies to join our growing team! As a Senior C# .NET Software Engineer, you will be working in a high-energy team, writing beautiful code using the best engineering practices in the industry today. A passion for problem-solving and all aspects of software development is critical. We are building teams that are empowered to solve the business needs by having a rapid development and deployment pipeline with a focus on automation and continuously releasing software. As a Senior scrum team member, you will be responsible for delivering solutions that adhere to the software architecture strategy, coding standards, and established organizational policies and procedures, and providing technical guidance to others in your areas of expertise. Location: 100% Remote. Working hours are based on the US Central-Eastern Time Zone. About Us: Abstra is a fast-growing, Nearshore Tech Talent services company, providing top Latin American tech talent to U.S. companies and beyond. Founded by U.S.-bred engineers with over 15 years of experience, Abstra specializes in sourcing skilled professionals across a wide range of technologies to meet our clients’ needs, driving innovation and efficiency. Job Functions, Essential Duties and Responsibilities: Analyse software requirements to determine the best solution to deliver business goals, including estimating and planning throughout an agile software development lifecycle. Modify codebase to implement complex software modifications following appropriate standards for coding and design patterns, source code control, unit testing, and continuous integration and deployment. Analyse and troubleshoot complex errors in software applications to determine root cause and resolution. Assist with testing and written description of application software changes Collaborate with team members, actively participate in all Scrum ceremonies and activities, including pair programming and peer code review, with a constant focus on continuous improvement. Be a driver for innovation on the scrum team by leading or assisting in technical research initiatives, sometimes working with other teams. Responsible for protecting, securing, and properly handling all confidential data held by The Company to ensure against unauthorized access, improper transmission, and/or unapproved disclosure of information that could result in harm to The Company or our clients. Our I-Client service philosophy and our Core Values of People Matter, Quality First, and Integrity Always® should be visible in your actions on a day-to-day basis, showing your support of our organizational culture. Supervision: None. Experience, Skills, Knowledge Requirements: Bachelor’s degree in computer science, engineering or related experience preferred. Technical leadership skills for effective participation in design discussions with both technical and non-technical audiences creating technical documentation and diagrams. Strong understanding of good object-oriented design principles (patterns, cohesion/coupling, S.O.L.I.D., data structures and algorithms). Strong experience writing clean and maintainable code using engineering best practices such as unit testing, TDD, continuous integration and deployment, automation, design patterns, refactoring, etc. Experience with Agile SDLC practices. Strong problem solving and communication skills. Strong troubleshooting skills. Minimum 5 years of professional experience developing software & systems on the Microsoft Technology Stack using C# and .NET. Basic Experience with HTML, CSS, and JavaScript. Strong experience with a relational database such as Sybase, MSSQL, Oracle. Experience with distributed systems, Services Oriented Architecture, Restful services, and Microservices development. (mandatory) Good understanding of web technologies such as HTTP and Apache HTTP. Proxies Experience with multi-threaded applications and memory management. Experience with continuous integration and deployment (CI/CD), automation, and related tools. Experience with at least one modern JavaScript front-end framework (ReactJS, Knockout JS, Angular, Bootstrap) with a preference for ReactJS. Experience using and implementing AI tools, including hands-on involvement in projects where AI-based solutions were integrated or proven experience working with AI tools and implementing them within projects to enhance automation, analytics, or testing capabilities. Experience documenting business solutions in technical documents and diagrams. Working experience with C, /C++, Python, Apache, Nginx, Redis, jQuery, PowerShell, or other scripting languages. Experience with Containerization, Docker & Kubernetes. Experience working with legacy code. Required Soft Skills: Strong communication skills (clear, concise, and effective in both verbal and written interactions). Ability to collaborate and work effectively within cross-functional teams. Proactive mindset with strong ownership and accountability. Adaptability and flexibility in dynamic and changing environments. Problem-solving skills with a structured and analytical approach. Emotional intelligence and interpersonal skills to build strong relationships. Time management and organizational skills, with the ability to prioritize effectively. Resilience and ability to perform under pressure. Continuous learning mindset and openness to feedback. Attention to detail while maintaining a big-picture perspective. What We Offer: Flexible working hours and remote work options. Opportunities for professional growth and development. A collaborative and inclusive work environment. The chance to work on impactful projects with a talented team. Excellent compensation in USD. Hardware and software setup (mandatory). Apply To This Job