Senior C#/.NET Full-Stack DBA Developer

Tech Tactix Advisory Group; Teresina; Híbrido; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A technology advisory firm is looking for a Senior C# / .NET Developer to join its engineering team in Teresina, Brazil. This hybrid position focuses on database architecture and performance while also developing enterprise-grade applications. Candidates should have over 7 years of experience in software development with strong skills in C#, .NET, and Azure SQL. Opportunities for innovation and architectural influence are key aspects of this role. The company values collaborative culture and quality in engineering.

Serviços

Competitive salary

Opportunity to influence architectural decisions

Collaborative engineering culture

Qualificações

• 7+ years of professional experience in C# / .NET software development.
• Strong written and spoken English (C1 or C2 proficiency).
• Proven experience owning database operations, including backup, restore, and high availability.

Responsabilidades

• Design and develop enterprise-grade applications and services using C# and .NET.
• Monitor and proactively address performance bottlenecks and manage database integrity.
• Participate in architectural discussions and influence technical direction.

Conhecimentos

SQL Server expertise

C#

Azure SQL

Advanced T-SQL

RESTful APIs

Agile methodologies

Formação académica

Bachelor’s degree in Computer Science or Software Engineering

Ferramentas

Azure DevOps

Git

Angular

Descrição da oferta de emprego

This position requires fluent English - do not apply with a non-English profile / resume as it will be automatically filtered.

Position Overview

We are seeking a Senior C# / .NET Developer with deep database ownershipexperience to join our growing engineering team. This role is intentionally hybrid : youwill design and build software while also owning the reliability, performance,scalability, and cost management of our SQL databases .

This position is ideal for a senior engineer who is database-centric but not database-only —someone who enjoys writing production code, building features that interact heavily with data, and taking responsibility for how the database performs in real-world, high-availability environments.

You will work across application code, database architecture, and Azure infrastructure, partnering closely with product and engineering leadership to deliver scalable, reliable systems.

Key Responsibilities

Database Architecture, Performance & Ownership

• Design, evolve, andoptimize database schemas, indexes, queries, and stored procedures to support high-performance application workloads
• Own database performance tuning , query optimization, and capacity planning across environments
• Manage availability, backup / restore, disaster recovery, and survivability strategies in Azure SQL
• Monitor and proactively address performance bottlenecks, deadlocks, blocking, and resource contention
• Own database cost management in Azure, including sizing, scaling strategies, and cost optimization
• Ensure data integrity, security, and operational excellence throughout the application lifecycle

Software Development & Feature Delivery

• Design, develop, andmaintain enterprise-grade applications and services using C# and .NET
• Build application features that interact deeply with the database , balancing correctness, performance, and maintainability
• Develop andmaintain RESTful APIs and backend services that integrate with internal and third-party systems
• Participate in architectural discussions and influence technical direction across the stack
• Perform code reviews and mentor team members on best practices in both application and database development
• Troubleshoot and resolve complex issues across application, database, and infrastructure layers

Azure Cloud & DevOps

• Design andoperatesolutions using Microsoft Azure , with a focus on reliability and observability
• Support CI / CD pipelines and deployment practices using Azure DevOps
• Work with monitoring, logging, and alerting to ensure system health and rapid issue resolution
• Collaborate on infrastructure decisions thatimpactscalability, performance, and cost

Required Qualifications

Experience & Education

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience
• 7+ years of professional experience in C# / .NET software development
• Strong written and spoken English (C1 or C2proficiency)

Technical Skills (Priority Order)

Strong SQL Server / Azure SQL expertise , including :

• Advanced T-SQL
• Stored procedures and query optimization
• Indexing strategies and execution plan analysis
• Performance tuning and troubleshooting

Proven experience owning database operations , including :

• Backup, restore, high availability, and disaster recovery
• Performance monitoring and scaling
• Cost and capacity management in Azure

Expert-levelproficiencyin C#, .NET Core, and .NET Framework

Expert-levelproficiencyin C#, .NET Core, and .NET Framework

Experience building andmaintaining RESTful APIs

Experience building andmaintaining RESTful APIs

Experience with Microsoft Azure services , including App Services, Functions, and Storage

Experience with Microsoft Azure services , including App Services, Functions, and Storage

Front-end experience with Angular (7–17)

Front-end experience with Angular (7–17)

Familiarity with Agile / Scrum development methodologies

Familiarity with Agile / Scrum development methodologies

Proficiencywith Git and Azure DevOps

Proficiencywith Git and Azure DevOps

Soft Skills

• Excellent communication skills, with the ability to explain complex technical topics
• Strong analytical and problem-solving abilities
• Ability to work independently and take ownership of critical systems
• High attention to detail and commitment to quality and reliability
• Collaborative mindset with experience working in cross-functional, distributed teams

Bonus Points

• Microsoft Azure certifications (Developer Associate, Solutions Architect, or similar)
• Experience with Plivoor Twilio
• Experience with message-based systems (Azure Service Bus, RabbitMQ, etc.)
• Strong understanding of DevOps practices and production operations
• Experience working in HIPAA-regulated environments

What We Offer

• Competitive salarycommensuratewith experience
• Opportunity to own critical systems and influence architectural decisions
• A collaborative engineering culture that values quality, accountability, and continuous improvement