Back-end Developer C# .NET III

Role Overview

• High-Complexity Development: Provide technical leadership in implementing high-complexity and high-criticality features and solutions within the GB Finance domain, acting as the squad's primary hands-on implementer.
• Code Quality and Testing: Write clean, efficient, and secure code; actively participate in code review rituals and ensure adequate coverage of unit, integration, and regression tests for developed features.
• Information Security: Apply Information Security policies (Security by Design) throughout the development lifecycle, perform risk analyses and ensure solutions comply with internal and regulatory guidelines.
• Production Support: Serve as a technical reference for product support in production, leading investigation and resolution of high-complexity incidents and issues (troubleshooting) to ensure system stability and availability.
• Optimization and Performance: Collect and analyze performance metrics, using observability tools (tracing, logs) to identify bottlenecks and propose/implement solutions that optimize system efficiency and scalability.
• Architectural Collaboration: Actively collaborate with Specialists and Tech Leads on solution planning and architectural design, focusing on technical feasibility, sustainability, and maintainability.
• Innovation and AI: Explore and implement technological innovations that add value to GB Finance products and processes, including applying Artificial Intelligence concepts to improve solution efficiency and intelligence.
• Mentoring and Technical Reference: Act as a technical reference point for the team, actively promoting improvements in code quality, design, and services (informal mentoring of Mid and Junior developers).
• Documentation: Develop and maintain detailed technical documentation, ensuring a solid knowledge base is available for reference and consultation.

Requirements

• Proven experience (minimum 5 years) in backend software engineering, with a history in Senior-level roles.
• Strong experience developing with C#, .NET, MongoDB, and RabbitMQ (or another message broker).
• Deep mastery of automated testing (unit and integration), SOLID principles, and object-oriented design.
• Solid knowledge of cloud computing (GCP/AWS) and microservices architecture.
• In-depth knowledge of application security (e.g., OWASP Top 10) and system hardening practices.
• Knowledge or experience with Artificial Intelligence, Machine Learning, or Data Science concepts, and experience integrating AI models into backend systems.
• Proven track record in performance optimization and scalability of transactional applications. Experience and strong knowledge of financial processes and solutions.
• Knowledge of agile methodologies and software development best practices.

Tech Stack

• AWS
• Google Cloud Platform
• MongoDB
• RabbitMQ
• .NET

Benefits

• Here, your Health is a priority . Medical and dental plan . Medication assistance . Health voucher for family members . Free psychotherapy sessions . Telemedicine and second medical opinion . Free flu vaccination . Health care programs
• To take care of your Nutrition . Meal voucher or local restaurant (depending on work model) . Food allowance . Christmas food allowance
• Ensuring Well-being and Quality of Life in all aspects . Gym and fitness studio plan . Home office allowance (hybrid and remote work models) . Pet health plan . Birthday day off . Up to 40% discount on our products . Employee association (partnerships and discounts, multi-brand store, TotalPass gym access, courses and more!) . Travel and accommodation program
• For the Family, our most precious asset . Childcare assistance . Child nutrition credit . Babysitter allowance . School supplies assistance . Legal, psychological and social counseling . Support for atypical parents . Extended parental leave (180 days for mothers and 120 days for fathers)
• Mobility for your on-site commute . Commuter voucher and Parking (hybrid and on-site work models)
• Financial Security for protection and peace of mind . Life insurance . Support in the event of a parent's death . Private pension plan . Payroll-deductible loans