Senior Software Engineer (Node.Js- Angular)

We’re looking for a Senior Full-Stack Developer (Angular + Node.js + MSSQL) to maintain and enhance a mature web application, modernize legacy code, and deliver scalable, high-performing solutions across the stack.

Requirements

Frontend (Angular 12+)

• Expertise in Angular, TypeScript, RxJS, and NgRx (or other state management tools).
• Skilled in component-driven architecture, routing, lazy loading, and performance optimization.
• Experience with reactive forms, validation, and HTTPClient communication with backend APIs.
• Unit testing using Jasmine/Karma.
• Familiar with Angular CLI, ESLint, Prettier, Nx, and Webpack.

Backend (Node.js / Express)

• Expertise in building and maintaining RESTful APIs with Express.
• Experience with middleware patterns, routing, and Auth0 authentication & authorization.
• Knowledge of secure API practices (input sanitization, CORS configuration).

Database (MSSQL)

• Proficiency in T-SQL, writing optimized queries, views, stored procedures, and triggers.
• Experience designing relational schemas with normalization and indexing best practices.
• Strong understanding of transactions and data integrity.

Supporting Skills

• Version Control: Git (Azure DevOps).
• CI/CD: Experience setting up pipelines for automated builds and deployments (Azure DevOps).
• Error Monitoring: Familiar with Datadog.

Ideal Background

• 6+ years of experience in full-stack development (Angular + Node.js + MSSQL).
• Proven experience maintaining and refactoring legacy systems.
• Strong grasp of REST principles, TypeScript, and scalable architecture.

Responsibilities

• Maintain and enhance a full-stack application built with Angular, Node.js, and MSSQL.
• Investigate and resolve production issues across frontend, backend, and database layers.
• Refactor legacy code for better performance, maintainability, and alignment with modern practices.
• Design and implement new features and endpoints following established architecture.
• Take ownership of the entire web application stack, ensuring reliability, scalability, and smooth deployments.

We offer:

Well-being:

• 10 working days of Paid Day Off within an individual year.
• Up to 15 working days of Unpaid days off within an individual year.

Professional Growth:

• Sombra University courses – enjoy a range of learning opportunities through Sombra University. It offers many educational courses, as well as educational lectures on a variety of topics.
• Sombra Around Tech – community attendance – Sombra unites engineers and experts in several areas: Front-end, Back-end, QA, DevOps, and Вusiness Analysis.
• Mentorship program – available on request.
• UDEMY online course platform – stay up-to-date with the latest technologies and programming languages.
• English courses and Speaking Club – attend English classes twice a week in small groups.

Added advantages:

• Work equipment (Laptop, monitor, and small devices compensation).
• Sombra’s referral program.
• If you know someone you believe is a good fit for our cooperation, you can recommend them and get a reward.
• Public Holidays – celebrate 18 statutory holidays in Colombia.
• Sombra events – Join Sombra’s traditional events (both online and offline).