Senior Full-Stack Engineer – Python, AWS

Software Mind

. Design, build, and operate backend services and data-driven applications supporting core business workflows .

Posted 9/21/2026full-timeRemote • Romania, Costa RicaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend service development, data pipeline construction, and API integration using Python and SQL. Proficient in deploying applications on AWS and improving system performance and data quality through automation and testing.

Highest-signal resume keywords

Python ProficiencySQL ExpertiseAWS Deployment ExperienceBackend EngineeringData Pipeline Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentAPI DevelopmentData Ingestion WorkflowsUnit TestingIntegration TestingDistributed SystemsMicroservicesREST APIsGraphQLData Quality Improvement

Soft Skills

Strong English CommunicationIndependent WorkTechnical LeadershipProblem SolvingCollaboration

Tools & Technologies

PostgreSQLMySQLSnowflakeDockerKubernetesAWS CDKCI/CDApache AirflowHTMLHTMX

Industry Keywords

Data-Driven ApplicationsCloud Data WarehouseServer-Rendered ApplicationsData OrchestrationTechnical Planning

Tech Stack

Tools & technologies

AirflowAngularApacheAWSCloudDistributed SystemsDockerGraphQLJavaScriptKubernetesMicroservicesMySQLNext.jsPostgresPythonReactSQL

About the role

Key responsibilities & impact

Design, build, and operate backend services and data-driven applications supporting core business workflows
Build and maintain scalable backend services, APIs, and data pipelines using Python and SQL
Develop data ingestion workflows using APIs and batch processing
Replace manual and spreadsheet-driven processes with automated systems, internal tools, and dashboards
Contribute to server-rendered frontend development using HTML, HTMX, and Jinja
Improve testing, performance, security, monitoring, and data quality
Troubleshoot production issues
Contribute to architecture decisions and technical planning
Take ownership of projects from development through deployment
Collaborate with product, data, and operations teams

Requirements

What you’ll need

5+ years of professional software development experience, with a strong backend engineering background
Strong English communication skills (B2–C1 or above)
Strong proficiency in Python and SQL
Experience with PostgreSQL and/or MySQL; PostgreSQL is preferred
Experience with Snowflake or a similar cloud data warehouse, including data ingestion and processing
Experience deploying and managing applications on AWS
Experience with Docker, Kubernetes, AWS CDK, or similar, plus familiarity with CI/CD
Strong understanding of distributed systems, microservices, REST APIs and/or GraphQL, authentication, and authorization
Experience with unit and integration testing
Ability to work independently, lead technical efforts, and deliver practical solutions in a fast-moving environment
Experience with HTML, HTMX, Jinja templates, or Python-based server-rendered applications
Experience with Apache Airflow or another data orchestration platform is nice to have
Familiarity with React, Next.js, Angular, or JavaScript is nice to have

Benefits

Comp & perks

Flexible schedules and authentic work-life balance
Opportunities for continuing education
Payment in US Dollars
Laptop provision
Competitive salary rate
Positive work environment certified by Great Place To Work