Senior Software Engineer

Siemens Energy, Inc.; Rio de Janeiro; On-site; BRL 240,000 - 360,000; Full time

Benefits offered by this job

Career growth

Work-life balance

Flexible work environment

Competitive rewards

Diversity & inclusion

Job summary

Siemens Energy, Inc. is seeking a Senior Software Engineer to design and evolve modern architectures, lead engineers through best practices, and collaborate directly with client architects on solution design and technical decisions.

You will set engineering standards for the team, perform code reviews, coach developers, and ensure secure, reliable, and scalable software using .NET, cloud, and CI/CD. The role supports Latin America projects and decarbonization efforts within the Transformation of

Qualifications

• Bachelor's degree or equivalent in a technical field.
• Strong software development experience with architectural knowledge (DDD, CQRS, monolith vs microservices).
• Experience with .NET ecosystem and API design.
• Proven technical leadership and peer mentoring experience.
• Cloud and CI/CD fundamentals including containers and modern deployment.
• Understanding of observability, security, and performance considerations.

Responsibilities

• Define and evolve application architectures (monoliths, microservices, event-driven).
• Lead architectural reviews and technical decision-making.
• Ensure non-functional requirements (reliability, observability, security, performance) are embedded.
• Develop high-quality .NET services and APIs with clear standards.
• Enforce engineering best practices through code reviews and CI/CD.
• Mentor the team and enable scalable, observable solutions.

Skills

AI experience

Software development experience

DDD / CQRS

Technical leadership

NET ecosystem (C#, ASP.NET Core)

API design & async programming

Observability & security

Frontend collaboration

English proficiency

Education

Bachelor's degree in computer engineering, computer science, related engineering or related field

Tools

Azure

AWS

GCP

Job description

A snapshot of your day

We are looking for a Senior Software Engineer with deep expertise in software development, who can design and evolve modern architectures, lead engineers through best practices, and collaborate directly with client (analysts, architects and others) on solution design and technical decisions. You will set engineering standards for the team, perform code reviews (PRs), coach developers, and ensure we deliver secure, reliable, and scalable software.

A snapshot of your day

We are looking for a Senior Software Engineer with deep expertise in software development, who can design and evolve modern architectures, lead engineers through best practices, and collaborate directly with client (analysts, architects and others) on solution design and technical decisions. You will set engineering standards for the team, perform code reviews (PRs), coach developers, and ensure we deliver secure, reliable, and scalable software.

How You’ll Make An Impact

• Define and evolve application architectures (monoliths, microservices, event-driven), ensuring clear domain boundaries, integration patterns, and API contracts.
• Lead architectural reviews and technical decision-making, balancing trade-offs across scalability, performance, security, and cost.
• Ensure non-functional requirements (reliability, observability, security, and performance) are embedded throughout design and delivery.
• Drive the development of high-quality .NET services and APIs, setting technical direction for standards, versioning, and documentation.
• Establish and enforce engineering best practices through code reviews, CI/CD alignment, clean and secure coding standards.
• Act as a technical leader, mentoring the team, fostering continuous learning, and enabling scalable, observable solutions.

What You Bring

• Bachelor's degree in computer engineering, computer science, related engineering or related field
• Strong experience in software development and AI experience
• Strong experience in software development with solid architectural knowledge (DDD, CQRS, monolith vs. microservices, event-driven systems).
• Proven technical leadership, including code reviews, branching strategies, and guidance on best practices.
• Deep knowledge of the .NET ecosystem (C#, ASP.NET Core, API design, async programming, relational databases).
• Experience with cloud environments, containers, and CI/CD pipelines (Azure, AWS, or GCP).
• Solid understanding of observability and security fundamentals.
• Experience collaborating with front-end teams and applying modern testing practices.
• Ability to discuss solutions with client architects, negotiate trade-offs, and justify decisions.
• Advanced English.

About The Team

Our Transformation of Industry division is decarbonizing the industrial sector. Increasing electrification and efficiency are key and demand for green H2 and derivative fuels will rise. We enable decarbonization of the industrial sector and the transition to sustainable processes, building on a strong industrial customer base, a global network, diverse technologies, and integrated execution capabilities.

The specific and existing team takes care of the sales of industrial steam turbines in Latin America in different industries up to a size of 250 MWe.

Who is Siemens Energy?

At Siemens Energy, we are more than just an energy technology company. With ~100,000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met optimally and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation.

Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.

Find out how you can make a difference at Siemens Energy: https://www.siemens-energy.com/employeevideo

Our Commitment to Diversity

Lucky for us, we are not all the same. Through diversity we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character – no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

Rewards

• Career growth and development opportunities
• Supportive work culture and a healthy work- life balance
• Flexible work environment with flex hours, telecommuting and digital workspaces.
• Competitive total rewards package
• Flexible benefits and savings programs
• Rewarding vacation entitlement with the opportunity to buy and sell vacation
• Parental leave
• Profit sharing
• Contribute to our social responsibility initiatives
• Diversity and inclusivity focused

Jobs & Careers: https://jobs.siemens-energy.com/jobs