Senior Full Stack Engineer

Blue Orange Digital•Santiago, Latin America & Caribbean

2d•Remote

About The Position

Blue Orange is seeking a highly experienced Senior Full-stack Engineer (L4) to join our multi-disciplinary delivery team and take on the full-stack engineering, data pipelines, analytics, and architecture work for a critical client project. You will operate with a high degree of seniority and autonomy, able to take more high-level backlog direction to build a robust, data-driven pricing tool. The project involves a React front-end and complex integration with Microsoft Dynamics/MS Dataverse. You will work end-to-end across the web product cycle — from ideation to production — partnering closely with our data engineers, data scientists, and client stakeholders to turn data systems and AI/ML outputs into interactive, user-facing applications. You will play a crucial role in driving client product initiatives forward, leveraging cloud-native architectures and modern web frameworks to deliver scalable solutions. At Blue Orange, you'll work on cutting-edge projects that combine modern web engineering with machine learning, AI, and large-scale data — delivering tangible business outcomes for our clients.

Requirements

Bachelor's degree in Computer Science or a related technical field, or equivalent practical experience.
3+ years (L2/L3) or 5+ years (Senior / L4) of hands-on software engineering experience building and supporting full-stack applications.
Proven experience integrating web applications (React) with enterprise platforms like Microsoft Dynamics / MS Dataverse or similar CRM/ERP systems.
Demonstrated expertise in engineering, data pipelines, analytics, and solution architecture.
Strong proficiency in JavaScript (TypeScript a strong plus) and Python.
Experience with React (or another modern front-end framework — Vue.js / Next.js).
Experience with a backend framework (e.g., Node.js, Nest.js, Express.js, Django, FastAPI).
HTML / CSS fundamentals.
2+ years (L2/L3) or 3+ years (Senior) of experience with cloud platforms — AWS preferred (GCP or Azure acceptable).
General software engineering tooling: Docker, Git, Linux.
Experience with CI/CD pipelines and tooling.
Experience with multiple forms of automated software testing.
Familiarity with ETL concepts and data integration best practices.
Excellent verbal and written English communication skills.
Strong problem-solving, analytical, and critical-thinking skills.
Self-driven, autonomous, and a collaborative team player.
Eagerness to learn and adapt in a fast-paced, multi-client environment.
Passion for Test-Driven Development.

Nice To Haves

Advanced degree in a relevant field.
Track record of successfully productionizing full-stack products and running them in production.
TypeScript, Next.js, Nest.js.
Experience with observability tooling.
Knowledge of relational and non-relational databases.
Familiarity with security, performance, and disaster-recovery best practices.
Experience with microservice-oriented and event-driven architectures.
Experience with BI tools (Looker, Power BI) — for data-leaning engagements.
Experience integrating GenAI / LLM components (prompt engineering, RAG) — for AI engagements.
Azure cloud platform experience (in addition to AWS/GCP) given the Microsoft Dynamics/Dataverse context.

Responsibilities

Design, build, and deploy production web applications in collaboration with team members and stakeholders.
Partner with cross-functional teams (data engineers, data scientists, designers, PMs, and clients) to translate business requirements into practical, product-driven applications.
Build and maintain APIs, integrations, and data flows that connect front-end experiences to back-end data systems and pipelines.
Leverage managed and serverless cloud offerings to create performant, scalable, cloud-native solutions.
Apply sound engineering practices: unit tests, integration tests, automated testing, and Test-Driven Development.
Own deployment processes for the software you build (CI/CD).
Participate in code reviews, scrum/agile ceremonies, and follow SDLC best practices.
Develop reusable, automated processes and tooling around the applications you build.
Stay current with advances in web technologies and proactively explore innovations.
Collaborate on architecture decisions and share architecture diagrams with the team.
Help with requirements gathering, refinement, and grooming of new features.
Continuously look for ways to improve the systems you build (performance, reliability, security).
Interact with others using sound judgment, good humor, and consistent fairness in a fast-paced environment.
Lead the full-stack engineering of the pricing tool, focusing on the React front-end and robust integration with Microsoft Dynamics/Dataverse.