Full Stack Software Engineer

Velozient; Brasil; Remote; BRL 180,000 - 280,000; Full time

Benefits offered by this job

PTO 15 days

Floating day

Sick days

Holidays observed

Job summary

Velozient is seeking a Senior Full Stack Software Engineer to join a platform migration team. You will work mainly in .NET/C#, SQL Server, and React, focusing on backend data migration while contributing to frontend features.

The role involves building scalable backend services and implementing frontend components, with strong emphasis on quality, collaboration, and agile delivery for a US client. Remote work in Brazil is supported, with a dynamic startup-like environment.

Qualifications

• 4+ years of full stack development with .NET/C#, SQL Server, and React.
• Backend data migration and .NET services with frontend work in React.
• Experience with AWS and CI/CD practices.
• Strong English communication and collaboration skills.

Responsibilities

• Perform backend data migration scripts to move customer data to the target platform.
• Design and develop features on the target platform using .NET/C#, SQL Server, and React.
• Take ownership of features and align with business goals in specs.
• Deliver high-quality features independently while seeking guidance as needed.
• Write and execute unit tests to ensure code quality and reliability.
• Investigate and resolve defects during QA and UAT cycles.
• Participate in daily stand-ups and weekly team meetings to share progress.
• Apply SDLC knowledge to increasing project complexity and planning.

Skills

English communication

C#/.NET

React.js

SQL Server

AWS

Agile

Unit testing

Education

University degree

Tools

AWS CloudFormation

AWS ECS

Docker

Job description

Full Stack Software Engineer (.NET/ React)

We are looking for a full-time, remote Senior Full Stack Software Engineer (.NET / React) with 4+ years of full stack software development experience to join our U.S. client.

In this role, you will serve as a core member of a platform migration team, working primarily in .NET, C#, Microsoft SQL Server, and React. The majority of development work will be backend-focused (SQL data migration and .NET services), with feature-building work split evenly between back-end (C#/.NET) and front-end (React).

Our client provides industry-leading environmental compliance, fuel management, and facility maintenance software used by major fuel networks. Their platform helps companies monitor and optimize operations by delivering real-time insights, automating compliance tasks, and ensuring site uptime. With a mission to make sustainability and operational efficiency seamless, they are transforming how fuel networks operate through cloud-based, data-driven solutions that have a direct impact on performance, compliance, and environmental responsibility.

Responsibilities

• Perform backend data migration work, including writing and executing SQL data migration scripts to move customer data from legacy systems to the target platform


• Design and develop new features on the target platform using .NET, C#, Microsoft SQL Server, and React, with feature work split evenly between back-end and front-end


• Take technical ownership of features, contributing to both functional and technical specifications to align with business goals


• Independently deliver high-quality product features and updates, while proactively seeking guidance when needed to maintain momentum


• Write and execute unit tests to ensure code quality and reliability


• Investigate and resolve defects identified during QA and user acceptance testing cycles


• Actively participate in daily stand-ups and weekly team meetings to discuss priorities, progress, and share ideas or technical insights


• Apply a solid understanding of the Software Development Lifecycle (SDLC) to projects of increasing complexity, with a focus on problem-solving, critical thinking, system analysis and design, effort estimation, and sprint and release planning

Required Experience

• Excellent written and verbal communication skills in English


• 4+ years of full stack development experience, with solid working experience in .NET, C#, and Microsoft SQL Server as the primary stack


• Hands-on experience with React.js for front-end feature development


• Hands-on experience with AWS CloudFormation (infrastructure as code) and deploying containerized applications using AWS ECS (Docker)


• Solid understanding of Agile development practices, object-oriented programming, and multi-tiered software architectures


• Proven ability to work independently while recognizing when to collaborate or seek guidance to meet deadlines and maintain high quality


• Strong team player with a collaborative mindset and effective communication skills


• Excellent problem-solving skills and a demonstrated ability to quickly learn new technologies and concepts


• Adaptable and open to change, with a proactive attitude and passion for continuous improvement


• Self-motivated, results-driven, creative, and accountable in delivering work to a high standard


• Proven delivery experience in a vibrant, dynamic startup environment


• A collaborative approach, a can-do attitude, and a relentless pursuit to attain goals and solve problems


• Trustworthy, team-oriented, and transparent

Desired Experience

• University degree or relevant industry experience


• Familiarity with LAMP, AWS networking concepts, including VPC design and VPN configuration


• Experience working with AWS SQS for decoupled, event-driven architectures and AWS S3 for object storage and data lifecycle management

Additional Information

• Knowing your ideas are heard and matter think big!


• You get to own your job and be recognized for your contributions


• Work with smart and creative people


• Making mistakes is human. Let\'s learn from them. Be transparent!


• We recognize you as an individual no presumptions or judgment. Be the extraordinary you!


• 15 days Paid Time Off (PTO), 1 floating day, 3 sick days, and designated national holidays Start: ASAP

About Velozient

We are a privately held, nearshore software development company providing outsourced development resources to North American companies. Our mission is to offer development talent that enjoys taking on challenging work, wants to grow their skills and experiences building software, and excel in a fast-paced, dynamic team environment. We are focused on providing world-class remote resources to work as valued client team members. If this type of opportunity excites you, then consider joining our team!