Senior Software Engineer

MediaRadar, Inc.

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

Posted 9/29/2026full-timeMadrid • SpainSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architecting and operating cloud-native systems on AWS and/or Azure, with a strong focus on building LLM-powered workflows and ensuring platform scalability. Proven ability to mentor engineers and collaborate effectively across distributed teams.

Highest-signal resume keywords

Expert-Level Python ProficiencyArchitecting Systems on AWSBuilding LLM-Powered SystemsMentoring EngineersStrong Communication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software Engineering ExperienceArchitecture and Design PatternsCode Quality StandardsTesting and ObservabilityData Attribution Capabilities

Soft Skills

CollaborationMentoringCommunication

Tools & Technologies

AWSAzureLangChainMulti-Agent OrchestrationRAG

Industry Keywords

AdtechAdvertisingMedia IntelligenceAnalyticsSports-Media Data

Tech Stack

Tools & technologies

AWSAzureCloudPython

About the role

Key responsibilities & impact

Independently design, build, and own complex, ambiguous features end-to-end with minimal supervision
Lead the buildout of agentic, LLM-powered workflows delivering customizable, automated insights
Architect and scale cloud-native systems on AWS and/or Azure
Mentor junior engineers through code reviews and shared best practices
Drive testing, observability, code quality, and documentation standards
Partner with Product, Data, and Operations on the technical roadmap and integration strategy across MediaRadar/Vivvix data platforms
Build and scale AI-driven customizable insight generation for Insights Studio
Ensure platform scalability and reliability during expansion from the US into European markets
Extend data and attribution capabilities into sports-focused advertising and media verticals

Requirements

What you’ll need

4–6+ years of professional software engineering experience
Expert-level Python proficiency
Proven experience architecting and operating systems on AWS and/or Azure
Hands-on experience building LLM-powered or agentic systems, including LangChain, multi-agent orchestration, or RAG (very strongly preferred)
Background in adtech, advertising, media intelligence, analytics, or sports-media data (highly valued)
Comfortable working across distributed, international teams
Strong grasp of architecture and design patterns
Track record of mentoring other engineers
Professional fluency in written and spoken English
Strong communication skills for collaboration with distributed engineering, product, and business teams

Benefits

Comp & perks

Inclusive and accessible workplace
Equal Opportunity Employer
Reasonable accommodation during the application or interview process
Diversity, equity, and inclusion commitment