Senior Software Engineer

São Paulo-SP, Brazil or Porto Alegre-RS, Brazil

Who We Are

Welcome to Confidencial (Apenas para Cadastrados) — where innovation drives impact at a global scale. As an award-winning digital product consultancy and the digital division of TELUS, one of Canada’s largest telecommunications providers, we design and deliver transformative customer experiences through cutting-edge technology, agile thinking, and a people-first culture.

With a global team across North America, South America, Central America, Europe, and APAC, we offer end-to-end expertise across eight core service areas: Digital Product Consulting, Digital Marketing Services, Data & AI, Strategy Consulting, Business Operations Modernization, Enterprise Applications, Cloud Engineering, and QA & Test Engineering.

From mobile apps and websites to voice UI, chatbots, AI, customer service, and in-store solutions, Confidencial (Apenas para Cadastrados) enables seamless, trusted, and digitally powered experiences that meet customers wherever they are — all backed by the secure infrastructure and scale of our multi-billion-dollar parent company.

Location and Flexibility

This is a hybrid role. This model requires the ability to work in a hybrid mode from one of our offices in São Paulo (2 times/ week or 8 days/ month) or Porto Alegre (3 times/ week or 12 days/ month). Our WFN culture is designed to foster in-person innovation, collaboration, and connection with team members local and visiting from other global offices.

The Opportunity

We are hiring for an enthusiastic Senior Backend Engineer. You will be responsible for designing and building scalable and resilient backend systems that power our applications. Leveraging your expertise in cloud technologies, databases, and API development, you will collaborate with cross-functional teams to deliver robust solutions that meet the needs of our clients and users.

We understand our responsibility to create a diverse, equitable, and inclusive place within the tech industry, while pushing to make our industry more representative. Because of this responsibility, we need candidates who value diversity and inclusion through their work, team collaboration, or mentorship. So in your cover letter, we encourage you to reflect on diversity, equity, and inclusion.

Responsibilities

• Deliver high-quality software with confidence by applying critical thinking to products, requirements, and development processes.

• Partner closely with clients and internal stakeholders to influence technical decisions and align solutions with business goals.

• Stay up to date with software engineering best practices, tools, and frameworks across multiple languages and ecosystems.

• Bring extensive professional programming experience (typically 10–12+ years) to design and evolve robust, scalable solutions.

• Understand and apply different software architectures, adapting and composing solutions to solve complex problems in a sustainable and reusable way.

• Mentor and coach team members, helping them grow and align toward shared technical and delivery outcomes.

• Navigate challenging conversations by providing constructive, actionable feedback to both teams and stakeholders.

• Identify technical and process obstacles to ensure quality, improve user experience, and evolve how software is built and maintained.

• Demonstrate self-awareness of limitations while remaining curious, open to learning, and receptive to feedback.

• Help guide teams through changing priorities with clarity, resilience, and positive energy.

• Communicate complex technical concepts in a clear and accessible way to multidisciplinary audiences.

• Design and develop 12-factor applications that scale efficiently in modern cloud environments.

• Work with relational and non-relational databases, designing efficient data models and optimizing data access patterns.

• Design, implement, and maintain well-documented, reliable APIs consumed by multiple clients and services.

• Troubleshoot issues in existing systems, identify root causes, and independently implement effective solutions.

Qualifications

• 5–7+ years of experience building data-driven web applications.

• Strong proficiency in .NET (C#) and/or Node.js for backend development.

• Experience working with additional languages such as Python, JavaScript/TypeScript.

• Solid understanding of RESTful APIs, microservices architectures, and cloud platforms (AWS experience is a plus).

• Experience designing and operating backend services in production environments.

• Strong understanding of relational databases (RDBMS) such as PostgreSQL, MySQL, SQL Server, or Oracle, with exposure to NoSQL databases considered a plus.

• Familiarity with version control systems (Git/GitHub or similar).

• Experience working in cross-functional teams, collaborating with designers, product managers, and other engineers.

• Ability to write clear, maintainable, and well-documented code following industry standards.

• Strong understanding of production systems, monitoring, and support considerations.

• Comfortable working both collaboratively and independently, with strong time management skills.

• Excellent communication skills, able to interact effectively with both technical and non-technical stakeholders.

• Commitment to continuous learning and ongoing improvement.

• Experience with automated testing practices and quality-focused development.

• Strong analytical thinking and problem-solving skills.

P.S. In an ideal world, you hit all the bullet points we listed, but hey — we know that’s a lot of bullets. If you feel confident about a good amount of them, we can ramp you up on the rest.

Bonus Points

• Experience with cloud-native architectures, automation, or DevOps practices.

• Background in systems modernization or multi-language environments.

• Exposure to enterprise-scale systems or high-traffic applications.

• Excellent communication skills with client representatives

Why Confidencial (Apenas para Cadastrados)?

At Confidencial (Apenas para Cadastrados), you’ll work with world-class brands like FOX, HBO, PepsiCo, and Domino's, building transformative digital products that impact millions. Our global reach allows you to collaborate with diverse, international teams, solving complex problems and delivering tech-driven solutions that matter.

We thrive on engineering excellence, using the latest technologies in cloud computing, AI, machine learning, DevOps, microservices architecture, and data engineering. Our teams embrace Agile methodologies, continuous integration and deployment (CI/CD) pipelines, and a DevOps-first mindset to deliver solutions at scale.

In addition to being part of an international and innovative consultancy company, you will have:

• A Global Innovation Hub: Be part of an international consultancy at the forefront of technology

• Work-Life Harmony: Enjoy flexible hours and autonomy to balance your professional and personal life

• Cutting-Edge Tech Playground: Dive into the latest technologies and shape the future of digital solutions

• Prestigious Partnerships: Collaborate with world-renowned brands, making a real impact in the market

• Growth-Centric Environment: Thrive in our collaborative ecosystem with a clear career development path

• Global Exposure: Embrace optional international travel opportunities to broaden your horizons

Some of our benefits:

• Health and dental plan

• Life insurance

• Monthly voucher for meals, culture, education, health and mobility

• Child care assistance and more!

Equality

At Confidencial (Apenas para Cadastrados), we are proud to be an equal opportunity employer and are committed to creating a diverse and inclusive workplace. We are committed to building an inclusive team that represents a variety of backgrounds, perspectives, beliefs, and experiences. Therefore we provide equal employment opportunities to all employees and applicants regardless of race, color, religion, gender identity, sexual orientation, national origin, age, or disability.

We will only use the information you provide to process your application and to produce tracking statistics. Since we do not request personal data deemed sensitive, we ask you to abstain from sharing that Information with us.

For more information on how we use your information, see our Privacy Policy.