Senior Full Stack Developer ID71007

Description

**About the role** We are looking for a **Senior Full Stack Developer** to build and maintain backend services and frontend interfaces that surface, validate, and resolve issues in data coming from ETL pipelines, data lake outputs, and ML model results for a large\-scale marketing analytics platform. You will develop REST APIs in Python using FastAPI or Flask, build responsive React and TypeScript frontends, manage PostgreSQL schemas and migrations, and leverage AI\-assisted development tools with the critical judgment to push back on shortcuts that compromise long\-term maintainability. **What you will do** * Build and maintain scalable backend services (REST APIs) and responsive frontend interfaces using React and TypeScript. * Develop data\-heavy application features that surface, validate, and resolve issues in data coming from data lakes, ETL pipelines, health\-check logic, and model outputs. * Package and manage applications using Docker. * Use AI\-assisted development tools to accelerate implementation while critically evaluating generated output and ensuring long\-term maintainability. * Collaborate directly with client engineers to clarify functional and non\-functional requirements and drive scalable technical solutions. * Work daily with client engineers through Slack and Google Meet. **Must haves** * **5–7 years of full\-stack software development experience.** * Strong proficiency in **Python (FastAPI or Flask)** and **TypeScript/React**. * Solid understanding of relational databases, including **PostgreSQL** and database migrations. * Comfortable working with REST APIs and migrating away from legacy GraphQL when needed. * Experience building or maintaining data\-heavy applications with large datasets and performance\-sensitive queries at the application layer. * Hands\-on experience with AI\-assisted development tools, combined with the ability to critically evaluate and challenge AI\-generated solutions. * High comfort level working in a Mac/Linux terminal environment, including Bash and Makefiles. * Strong communication skills and the ability to defend technical decisions while balancing scalability, maintainability, and delivery needs. * Upper\-intermediate English level. **Nice to haves** * Exposure to object\-storage\-backed data lakes and serverless query engines such as S3 \+ Athena or comparable technologies (Trino/Presto, BigQuery, Spark SQL). * Familiarity with DAG\-based task orchestration tools such as Airflow, Dagster, Prefect, or Step Functions. * Data engineering experience, including ETL pipelines, advanced SQL, data validation, and optimization. * Experience with caching or NoSQL systems such as Redis or DynamoDB. * Experience with monorepo tooling or modern package managers such as Nx, Poetry, or UV. * Familiarity with AWS Bedrock or similar AI/LLM SDKs. * Experience with marketing data structures, campaign management APIs, or digital advertising metrics. **Perks and benefits** * **Growth without limits:** build your skills through mentorship, internal TechTalks, challenging projects, and a dedicated annual learning budget * **Competitive compensation:** get recognition that reflects your skills and impact, with regular performance and compensation reviews * **Flexibility:** work 100% remotely with flexible hours that support focus, autonomy, and a healthy work rhythm * **Meaningful, modern projects:** build impactful products using modern technologies alongside global teams and leading brands * **Collaborative culture:** join a supportive environment with zero micromanagement where ideas are welcomed and contributions are recognized * **Well\-being \& support:** access local well\-being programs and people\-focused support tailored to your location Job Type: Full\-time Work Location: Remote