Job Title: Senior .NET Software Development Lead
About the role
As a Senior .NET Software Development Lead, you will make an impact by designing and delivering scalable, high-quality SaaS solutions within a complex, data-driven environment. You will be a valued member of a highly collaborative engineering team, working closely with cross-functional partners to build innovative products that enhance operational efficiency and user experience.
In this role, you will:
- Lead the design and development of scalable, enterprise-grade applications using modern engineering practices
- Drive architectural decisions, including platform selection, coding standards, and implementation strategies
- Contribute across the full Agile lifecycle, including design, development, testing, and deployment
- Mentor and guide junior engineers, fostering a culture of continuous improvement and engineering excellence
- Collaborate with stakeholders to translate business requirements into technical solutions and deliver high-quality outcomes
Work model
Based on this role’s business requirements, this is a hybrid position requiring attendance at a Cognizant office in Buenos Aires (CABA).
We are also open to fully remote arrangements when necessary.
What you need to have to be considered
- 10+ years of software development experience across multiple technologies with strong adaptability to new tools
- 5+ years of experience in global trade, logistics, customs, or supply chain-related systems
- Strong proficiency in .NET technologies (C#, ASP.NET, VB.NET) and Angular for frontend development
- Experience designing and consuming REST APIs and working with API documentation tools (Swagger, Postman)
- Hands-on experience with cloud-native development (AWS and/or GCP) and both SQL and NoSQL databases (MSSQL, PostgreSQL, DynamoDB)
- Proven experience leading architecture and applying design patterns and N-tier architecture principles
- Solid understanding of application security, debugging, and troubleshooting in enterprise environments
- Experience working in Agile environments with iterative and evolving requirements
- Advanced English level (B2 upper-intermediate or higher)
These will help you stand out
- Experience with observability tools such as DataDog (APM, RUM)
- Familiarity with AI-first or agentic development approaches
- Strong foundation in computer science fundamentals (algorithms, data structures, OOP)
- Ability to build clean, maintainable, and scalable code
- Experience with analytics, reporting, and data visualization tools (e.g., Power BI)
- Strong leadership, communication, and stakeholder management skills
- Growth mindset with a focus on innovation, continuous improvement, and customer outcomes
Additional details
- Work schedule: EST (USA)
- Language requirement: English (B2+ Upper Intermediate or higher)
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.











