Pessoa Desenvolvedora BackEnd C# Especialista I (Tech Demanda e Operações)

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Specialist I Backend C# Developer (Technology Demand & Operations) based in Brazil.
We are looking for an experienced Backend Developer to lead the development and modernization of highly complex, business-critical financial technology solutions. In this role, you will contribute to the evolution of a digital B2B financial management platform, supporting essential processes such as payment reconciliation, receivables, banking operations, and financial reporting. You will combine strong C#/.NET expertise with modern Node.js/TypeScript technologies to drive architectural improvements, performance, security, and scalability. Working closely with technical leaders and cross-functional engineering teams, you will establish best practices and ensure high standards of software quality. You will also act as a technical reference, mentoring developers and helping resolve critical production challenges. This is an opportunity to influence strategic technology decisions while building reliable, scalable, and innovative financial solutions in a collaborative environment.

Accountabilities:

Lead the development of highly complex and business-critical backend solutions, supporting the modernization and architectural transition from .NET to Node.js/TypeScript, with a focus on performance, scalability, and maintainability.
Define, implement, and audit code quality standards, engineering practices, and automated testing pipelines, including unit, integration, and regression testing.
Drive application security initiatives through Security by Design principles and system hardening, ensuring compliance with corporate policies and the protection of sensitive financial and transactional data.
Serve as a technical escalation point for critical incidents, conducting root cause analysis (RCA) and implementing permanent solutions to maintain system reliability and high availability.
Lead advanced observability and performance analysis using logs, metrics, and distributed tracing to identify bottlenecks and optimize high-volume transactional environments.
Design distributed microservices architectures, caching strategies, and integrations in collaboration with Tech Leads and Technical Specialists, aligning infrastructure decisions with long-term product objectives.
Explore and implement Artificial Intelligence and Machine Learning integrations within backend systems to enhance financial analytics, intelligent automation, and operational efficiency.
Mentor Mid-level and Senior developers, promoting knowledge sharing and advanced engineering practices across architecture, security, and performance.
Maintain comprehensive, standardized, and up-to-date technical and software architecture documentation.

Requirements:

At least 5 years of professional experience in backend software engineering, with a proven track record in Senior or Specialist-level positions.
Strong experience with C#/.NET and established expertise in Node.js/TypeScript, including involvement in technology modernization and migration projects, particularly from .NET Full Framework to .NET Core and Node.js/TypeScript.
A polyglot engineering mindset, with the ability to work across different technology stacks and select solutions based on technical and business needs.
Advanced knowledge of MongoDB (NoSQL) and asynchronous messaging systems or message brokers such as RabbitMQ or equivalent technologies.
Deep understanding of software architecture and engineering principles, including Clean Architecture, Ports & Adapters (Hexagonal Architecture), Event-Driven Architecture (EDA), SOLID principles, and object-oriented design.
Strong practical experience implementing automated unit and integration tests to ensure code reliability, maintainability, and coverage.
Solid knowledge of cloud computing environments, particularly AWS or GCP, and large-scale distributed microservices architectures.
Advanced application security knowledge, including OWASP Top 10, system hardening, and experience participating in information security and compliance audits.
Practical experience identifying and resolving performance bottlenecks, analyzing latency, and improving efficiency in high-volume transactional systems.
Familiarity with Agile methodologies such as Scrum and Kanban, combined with a strong commitment to engineering excellence and continuous improvement.
Strong analytical and problem-solving abilities, effective communication skills, and the ability to collaborate with and mentor multidisciplinary technical teams.

Nice to have:

Experience or strong conceptual knowledge of Artificial Intelligence, Machine Learning, or Data Science.
Practical experience integrating intelligent models into backend applications to support analytics, automation, and business process optimization.

Benefits:

A comprehensive benefits package designed to support employees' health, well-being, professional satisfaction, and family needs, including:
Health and Wellness

Flexible medical and dental insurance plans.
Medication assistance and healthcare allowances for family members.
Free psychotherapy sessions and 24/7 telemedicine services.
Ongoing preventive healthcare, mental health, and vaccination programs.

Food and Lifestyle

Meal vouchers or access to a local restaurant, plus food allowance.
Additional food allowance during the Christmas period.
Discounts of up to 40% across the company's beauty and retail ecosystem.
Gympass/TotalPass access to gyms, fitness studios, and wellness activities.
Home office allowance for eligible remote and hybrid employees.
Birthday day off.
Pet health insurance, partner discounts, and travel and accommodation programs.

Family Support

Extended parental leave: 180 days for mothers and 120 days for fathers.
Dedicated support programs for parents of children with special needs.
Babysitting and childcare assistance.
School supplies allowance and child nutrition credit.
Dedicated legal, psychological, and social support services.

Financial Security and Protection

Private pension plan.
Life insurance.
Financial assistance in the event of a parent's passing.
Payroll-deductible loan options.
Transportation allowance and parking, depending on the work arrangement.

Additional Information

Employment type: Full-time employee.
Work model: 100% remote.
Applications are open to professionals with disabilities (PwD).
Benefits and eligibility may vary depending on the position and work arrangement.
Salary details were not specified in the original job description.