Senior Software Engineer

MediaRadar, Inc.

. Design, build, and own complex, ambiguous features end-to-end with minimal supervision .

Posted 10/13/2026full-timeMadrid • SpainSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Python, C#, and React/TypeScript for building and migrating complex applications, with a strong focus on performance tuning and data management using ClickHouse. Proven ability to mentor engineers and collaborate across international teams while driving technical standards and best practices.

Highest-signal resume keywords

Expert-Level Python (FastAPI)C# ProgrammingReact/TypeScript DevelopmentClickHouse ExperienceAzure and/or AWS Deployment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonC#ReactTypeScriptSQLClickHousePerformance TuningData LoadingAgentic Coding ToolsKubernetes

Soft Skills

MentoringCollaborationCommunication

Tools & Technologies

Visual StudioVS CodeGitGitHubAzureAWSArgoCDPostHog

Industry Keywords

AdtechMediaAnalyticsDistributed TeamsArchitecture and Design Patterns

Tech Stack

Tools & technologies

AWSAzureKubernetesPythonReactSQLTypeScript

About the role

Key responsibilities & impact

Design, build, and own complex, ambiguous features end-to-end with minimal supervision
Lead engineering work to migrate the standalone Creative Intelligence application into the Insights Studio suite
Move Insights Studio applications onto a single ClickHouse backend, consolidating data from Publisher Intelligence, Sports, and MediaRadar Classic
Tune query performance and data loading across large, fast-growing advertising datasets
Model and champion AI-first, agentic ways of working with Claude Code
Mentor engineers and raise the technical bar through code reviews and shared best practices
Drive testing, observability, code quality, and documentation standards
Collaborate with developers in India and engineering peers in Toronto
Partner with Product, Data, and Operations on technical roadmap and integration strategy

Requirements

What you’ll need

Hands-on, daily use of agentic coding tools (Claude Code) in Visual Studio or VS Code
Expert-level Python (FastAPI), C#, and React/TypeScript
Strong SQL; ClickHouse experience is a big plus
Hands-on deployment experience with Azure and/or AWS
Git (GitHub)
5–8 years of professional software engineering experience
Comfortable owning production systems end-to-end
Proven, hands-on experience building with agentic coding tools (Claude Code) and AI-driven development workflows
Track record of performance tuning, loading and querying large datasets
ClickHouse or other columnar/analytical databases strongly preferred
Proven experience deploying and operating systems on Azure and/or AWS
Adtech, media, or analytics experience is a plus but not required
Comfortable working across distributed, international teams spanning Spain, India, and North America
Strong grasp of architecture and design patterns
Track record of mentoring other engineers
Kubernetes and ArgoCD preferred
PostHog nice-to-have

Benefits

Comp & perks

Inclusive and accessible workplace
Equal Opportunity Employer
Reasonable accommodation during the application or interview process