Senior Full-Stack Engineer

Company Overview:

Lean Tech is a rapidly expanding organization situated in Medellín, Colombia. We pride

ourselves on possessing one of the most influential networks within software

development and IT services for the entertainment, financial, and logistics sectors. Our

corporate projections offer many opportunities for professionals to elevate their careers

and experience substantial growth. Joining our team means engaging with expansive

engineering teams across Latin America and the United States, contributing to

cutting-edge developments in multiple industries.

Position Title: Senior Full-Stack Engineer (Frontend-focused)

Location: Remote (LATAM)

What you will be doing:

This position is ideal for a highly motivated engineer with a passion for developing

scalable, testable, and maintainable software solutions. You will work across the full

software development lifecycle, from design and implementation to maintenance and

innovation, collaborating within a multidisciplinary team using modern technologies and

agile practices.

You'll focus on delivering reliable and efficient full-stack solutions with a strong

emphasis on frontend engineering, data synchronization, and systems integration.

• Design, develop, and maintain software solutions across frontend and backend

components.

• Build high-quality applications using TypeScript, Angular (v14), HTML, and CSS,

ensuring exceptional user experiences.

• Develop backend services using .NET (preferred) or Java/C#, applying

Object-Oriented Design and design patterns.

• Implement bi-directional data migrations between client and server systems.
• Build connectors to access and synchronize data between client-side databases

and third-party solutions.

• Perform unit, integration, and end-to-end testing to ensure code quality.
• Utilize SQL Server for relational data modeling and optimize data structures for

performance and reliability.

• Integrate observability tools, monitoring, and alerting to proactively identify and

resolve issues.

• Conduct code reviews, contribute to architectural discussions, and support

system documentation.

• Maintain compliance with industry standards and best practices.
• Participate actively in Scrum ceremonies, collaborating with cross-functional

teams in a dynamic environment.

• Assess and integrate new technologies to improve scalability, performance, and

maintainability.

Requirements & Qualifications

To excel in this role, you should possess:

• Bachelor's degree in Computer Science or a related field with 6+ years of

experience, or 10+ years of experience without a degree.

• 5+ years of hands-on experience with TypeScript and Angular (v14).
• 3+ years of backend development experience with .NET, or strong familiarity with

Java/C# for architectural pattern comprehension.

• Solid understanding of the use of various programming tools (IDEs, dependency

resolvers, Docker, package managers, testing tools, quality assurance, build

automation, dependency management, monitoring, and logging.

• Strong knowledge of Object-Oriented Programming principles and Design

Patterns.

• Experience developing Web APIs (REST and/or GraphQL).
• Familiarity with micro-frontend architectures and modular UI systems.
• Understanding of Pub/Sub models and data synchronization frameworks.
• Hands-on experience with SQL Server and relational databases.
• Proficiency with development tools: IDEs, Docker, package managers,

dependency resolvers, and version control (Git).

• Experience with cloud technologies (serverless functions, containers, cloud

databases, preferably Azure).

• Experience as a Solution Architect or with Infrastructure as Code is a plus.

Nice to have

• Experience building or maintaining micro-frontend applications.
• Exposure to advanced frontend architecture or dashboard development.
• Familiarity with modern CI/CD pipelines and DevOps practices.
• Previous experience contributing to open-source projects or tech communities.
• Background in fast-paced or high-growth product environments.

Soft Skills:

• Excellent communication skills in English (written and verbal).
• Strong analytical and problem-solving abilities.
• Willingness to collaborate, pair program, and continuously learn.
• Effective communication and teamwork within a complex domain.
• Adaptability to shifting priorities and fast-paced contexts.
• Commitment to code quality, collaboration, and technical excellence.
• Positive team player fostering innovation and continuous improvement

Why you will love Lean Tech:

• Join a powerful tech workforce and help us change the world through

technology.

• Professional development opportunities with international customers.
• Collaborative work environment.
• Career path and mentorship programs that will lead to new levels.

Join Lean Tech and contribute to shaping the data landscape within a dynamic and

growing organization. Your skills will be honed, and your contributions will be vital to our

continued success. Lean Tech is an equal-opportunity employer. We celebrate diversity

and are committed to creating an inclusive environment for all employees.