Senior Software Engineer
CODE Exitos
Posted: September 17, 2025
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Quick Summary
A Senior Software Engineer is responsible for leading complex technical projects and ensuring software quality and scalability, with a focus on technical excellence and mentorship of junior developers.
Required Skills
Job Description
The Senior Software Engineer (SE-3) is a key role where engineers take ownership of complex technical challenges, lead and deliver critical projects/features, and help drive technical decisions. SE-3 engineers are expected to work independently, tackle high-impact tasks, lead projects and actively mentor junior developers.
At this level, engineers demonstrate technical excellence, contribute significantly to system design and architecture, and play a leading role in ensuring software quality and scalability. This role serves as a foundation for growing into an Architect Engineer position.
Requirements:
• Design, develop, and deliver complex full-stack features with high quality, owning solutions end-to-end.
• Collaborate on system design and architecture, ensuring scalability, maintainability, and performance.
• Write clean, maintainable, and efficient code across the full stack, following modern best practices (e.g., SOLID principles).
• Develop and maintain frontend components using modern frameworks like React, Vue.js, or Angular.
• Design and optimize APIs, services, and backend systems for performance and reliability.
• Integrate frontend and backend components seamlessly, ensuring a smooth user experience.
• Troubleshoot and resolve technical challenges across the stack, including performance bottlenecks.
• Contribute to code writing, reviews, ensuring quality standards, and mentor junior and mid-level engineers.
• Implement and maintain CI/CD pipelines for automated testing, builds, and deployments.
• Collaborate with product managers, designers, and stakeholders to clarify requirements and deliver solutions.
• Document technical decisions, processes, and best practices to improve team knowledge.
• Actively mentor junior engineers and foster technical growth within the team.
Skills and Qualifications
• Strong proficiency in full-stack development, including:
• Frontend: Proficiency with modern frameworks like React, Vue.js, or Angular.
• Familiarity with state management tools like Redux, Pinia, or MobX.
• Backend: Proficiency in backend languages such as C#, Golang, Node.js, or Python.
• Deep understanding of SOLID principles and modern software design patterns.
• Experience in designing and building scalable APIs (RESTful or gRPC).
• Strong knowledge of HTML, CSS, and JavaScript/TypeScript, including responsive design practices.
• Hands-on experience with databases (SQL and NoSQL), including query optimization.
• Experience with containerization tools (e.g., Docker) and orchestration platforms like Kubernetes.
• Familiarity with cloud platforms (AWS, Azure, or GCP) and relevant services (e.g., Lambda, S3, EC2).
• Experience working with CI/CD pipelines (e.g., GitHub Actions, Jenkins, or CircleCI).
• Solid understanding of version control systems (Git) and collaborative workflows.
• Ability to debug, test, and optimize code across the full stack (unit testing, integration testing, performance optimization).
• 5+ years of professional experience as a software developer, delivering full-stack solutions.
• Strong collaboration and communication skills for working across teams
Additional Skills
• Exposure to monitoring and observability tools (e.g., Datadog, Prometheus, or Grafana).
• Experience optimizing web applications for performance and SEO.
• Knowledge of security best practices in frontend, backend, and APIs.
• Contributions to open-source projects or technical blogs showcasing full-stack expertise.
Career Path Recommendations
For SE-3 engineers aiming to advance to Architect Engineer, we recommend:
• Leading design and architecture discussions for end-to-end systems.
• Taking ownership of systems and features across multiple projects.
• Developing deep expertise in frontend and backend architecture and cloud-native solutions.
• Acting as a technical lead and mentor for the team, driving best practices and knowledge sharing.
• Demonstrating the ability to align technical solutions with business and user needs
Evaluation Metrics
Managers will evaluate the Senior Software engineers based on:
• Delivery of high-quality, full-stack solutions with strong ownership and minimal supervision.
• Contributions to system design, architecture, and scalability across the stack.
• Code quality, maintainability, and testing coverage.
• Impact on team growth through mentoring and leadership in technical discussions.
• Initiative in identifying and implementing improvements to team processes, performance, and systems.
• Lead projects and team to a successful delivery through best practices.