Software Development Engineer - .Net/C# - Excise Team

Design, develop, and maintain scalable, secure backend and frontend systems supporting a global tax compliance platform. Build and enhance ASP.NET Core applications and backend services, particularly tax return processing and eFile engines. Maintain existing excise tax returns and develop new tax forms covering jurisdictions across the United States, Canada, and Europe. Integrate AI-assisted coding, testing, documentation, and architectural exploration into everyday development workflows to improve productivity and engineering outcomes. Contribute to AI-powered product capabilities that enhance automation, data processing, and customer-facing intelligence. Improve deployment frequency, code quality, and automated test coverage through CI/CD pipelines and engineering best practices. Strengthen system reliability, reduce production incidents, and improve observability through proactive monitoring and sound architectural decisions. Lead technical design discussions and contribute to architectural decisions involving complex, distributed systems. Mentor team members, provide constructive feedback, and promote high standards of technical excellence, ownership, and accountability. Collaborate with international engineering, product, and business teams to deliver solutions aligned with customer and business needs.

Requirements:

Bachelor's degree in Computer Science, Computer Engineering, Information Systems, or a related field. At least 5 years of professional software development experience, including 3+ years working at a senior-level scope. Strong hands-on experience with .NET Core and C#, particularly in building scalable APIs and backend services. Demonstrated experience using AI tools and technologies to achieve measurable improvements in engineering productivity, automation, development cycle time, or software quality. Occasional or superficial AI usage is not sufficient. Ability to apply AI responsibly and securely, critically assess AI-generated outputs, and follow governance-aware development practices. Experience communicating technical updates, solutions, and issue resolutions to customers and business partners in an international environment. Strong ownership, accountability, and problem-solving skills, with sound judgment when making architectural and technical trade-offs. Experience working with AWS cloud environments and Infrastructure as Code tools, particularly Terraform. Hands-on experience with CI/CD pipelines, such as GitLab, as well as Docker and Kubernetes in production environments. Strong knowledge of relational databases, particularly Microsoft SQL Server, including writing and optimizing SQL queries. Solid understanding of automated testing strategies and software quality best practices. Ability to mentor colleagues, share technical knowledge, and positively influence team performance. A continuous improvement mindset, with the ability to strengthen systems, processes, and technical documentation. Adaptability and enthusiasm for working in an AI-first engineering environment, with a commitment to continuously learning and sharing new AI technologies and best practices.

Additional information:

Applications must include a CV written in English. CVs submitted in other languages will not be accepted. This position is open to people with disabilities (PwD/PcD), in accordance with applicable Brazilian legislation.

Benefits:

Competitive compensation package. Paid time off. Paid parental leave. Performance-based bonus opportunities, depending on eligibility. Private medical insurance, depending on location and eligibility. Life insurance. Disability insurance. An inclusive and diverse working environment that encourages different perspectives and experiences. Employee-led resource groups supported by senior leadership. Opportunities to work with international teams and contribute to innovative, AI-driven engineering initiatives. Remote working opportunity.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

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