Senior Full Stack Engineer

Start Date: Interview TypesSkills full-stack developme.. Visa Types Green Card, US Citiz..Job Title: Senior Full Stack Engineer - Data & AI PlatformsLocation: RemoteDuration: Long-term contractMasTek/ Geode Capital Management$65/Hr on C2CJob Description:Mastek's Data & AI practice builds data platforms, accelerators, and custom tools for enterprise clients across financial services, insurance, healthcare, and manufacturing. We are looking for a senior full stack engineer who is equally comfortable building a polished React application, a Node.js or Python service layer, and the data integration logic underneath it. You will design and build data products end to end, from user interface to backend services to cloud deployment, working directly with client engineering teams.WHAT YOU WILL DODesign and build full stack applications for data platforms and tooling, including configuration UIs, monitoring dashboards, and self-service portalsDevelop responsive, component-based front ends in React with TypeScript, including state management, forms, data grids, and visualizationsBuild backend services and APIs in Node.js and Python (FastAPI, Express, or similar), with sound API design, authentication and authorization, and clean service boundariesBuild reusable, configuration-driven frameworks and libraries rather than one-off code, with plugin-style extensibilityDevelop data integration components that move data from databases, files, and APIs into cloud warehouses and data lakes, including full and incremental loadsIntegrate applications with workflow orchestration tools such as Apache Airflow or DagsterDesign relational data models and work extensively with PostgreSQL and at least one cloud data warehouse (Snowflake, Redshift, Databricks, or similar)Deploy and operate applications on AWS using containers, managed databases, object storage, and secrets managementWrite infrastructure as code, set up CI/CD pipelines, and maintain strong automated test coverage across front end and backendBuild observability into applications through logging, metrics, alerting, and audit trailsIncorporate LLM-powered features where they add real value, using platforms such as Amazon Bedrock or OpenAIParticipate in client design sessions, explain technical tradeoffs clearly, and produce design documentation and knowledge transfer materialREQUIRED QUALIFICATIONSBachelor's degree in computer science, Engineering, or a related field8+ years of overall IT industry experience, with at least 5 years of relevant full-stack development experienceStrong React and TypeScript/JavaScript skills, with production applications to show for itStrong backend development experience in both Node.js and PythonSolid experience designing and building RESTful APIs, including OAuth2/SSO integrationStrong SQL and relational database design skills, ideally PostgreSQLHands-on experience building data integration or ETL/ELT logic: extracting from databases, files, and APIs and loading into analytical storesHands-on AWS experience (ECS/EKS or Lambda, RDS, S3, IAM, CloudWatch, or equivalents)Docker, Git, CI/CD, and infrastructure as code (Terraform or AWS CDK)Excellent written and verbal communication, with client-facing experience leading technical discussions and presenting designsAbility to work independently on fixed-timeline deliveries across onshore and offshore teamPREFERRED QUALIFICATIONSExperience building internal developer tools, low-code/configuration-driven platforms, or metadata-driven frameworksApache Airflow or DagsterChange data capture tools such as Debezium, or experience with KafkaSnowflake development experienceData lineage, catalog, or data quality tooling (OpenLineage, OpenMetadata, Great Expectations, or similar)Building LLM-powered or agentic features into applicationsExperience in financial services or other regulated industriesAWS or Snowflake certifications