Sr Software Engineer - Media Buying Team

Channel Factory; España; On-site; EUR 60,000 - 100,000; Full time

Benefits offered by this job

Competitive salary

Medical benefits

Phone & Wifi reimbursement

Bill stipend

Gym stipend

Work-life balance

Job summary

Channel Factory is seeking a Senior Software Engineer to drive full-stack development using Python/Django and ReactJS. You will collaborate with product, design, and engineering teams to deliver scalable features across multiple services and data pipelines.

You will mentor junior developers, design robust architectures, optimize code for performance, and ensure quality through CI/CD, cloud deployments (AWS), and modern testing practices. Occasional travel may be required.

Qualifications

• 3+ years of professional software development experience.
• Experience leading & mentoring junior developers.
• Expert proficiency with Python/Django.
• Strong proficiency with ReactJS, JavaScript, and PHP.
• Solid understanding of CI/CD pipelines, web infrastructure, and testing/deployment tooling.
• Experience with cloud services (AWS).
• Experience with Postgres, OpenSearch, Redis.
• Experience with distributed data technologies (RabbitMQ, Celery).
• Knowledge of digital advertising is a plus.
• Role may involve occasional travel for in-person collaboration.

Responsibilities

• Collaborate with product managers, designers, and other engineers to develop and deliver end-to-end features across the stack
• Lead technical design discussions and make architectural decisions for new features and systems
• Analyze and optimize code for quality, efficiency, and performance, and provide feedback to peers during code reviews
• Establish ownership of components, features, or systems with expert end-to-end understanding
• Manage project priorities, deadlines, and deliverables
• Collaborate effectively with distributed team members across multiple time zones, including offshore development teams
• Build relationships and foster team cohesion across geographical and cultural boundaries.
• All other tasks as required

Skills

Python/Django

ReactJS

JavaScript

PHP

AWS

CI/CD

Mentor juniors

Tools

Postgres

OpenSearch

Redis

RabbitMQ

Celery

Job description

Channel Factory provides intelligent marketing solutions for the next generation of contextual safety, suitability, and performance for brands and agencies. Our platform helps marketers implement, automate, and scale their marketing programs across the world's largest video library, YouTube and emerging growth channels. We sit at the intersection of marketing and suitability and have a mission of enabling the world's top brands to consciously connect with the right audience in the right context, maximizing suitability and contextual performance.

Senior Software Engineer - Engineering

Channel Factory provides intelligent marketing solutions for the next generation of contextual safety, suitability, and performance for brands and agencies. Our platform helps marketers implement, automate, and scale their marketing programs across the world's largest video library, YouTube and emerging growth channels. We sit at the intersection of marketing and suitability and have a mission of enabling the world's top brands to consciously connect with the right audience in the right context, maximizing suitability and contextual performance.

Channel Factory embodies a strong start-up culture that values diversity, collaboration, and results. Our bias towards execution balances critical thinking, analysis, and pragmatic problem solving. We expect a lot from one another and value our thoughtful and intellectually curious company culture.

Channel Factory is in search of an innovative and dedicated Sr Full Stack Python / Django Developer to join our growing team. We are seeking an eager, passionate, and highly skilled individual to bring our product to life. The Engineer pays relentless attention to detail and will work with the different teams to communicate our ideas, shape our brand, and increase customer demand. They will be expected to work on a variety of projects and should have a great deal of experience with the software engineering life cycle and large data. An emphasis will be placed on ensuring that the latest technologies, techniques, functionality, trends, and usability best practices are used.

Responsibilities

• Collaborate with product managers, designers, and other engineers to develop and deliver end-to-end features across the stack
• Lead technical design discussions and make architectural decisions for new features and systems
• Analyze and optimize code for quality, efficiency, and performance, and provide feedback to peers during code reviews
• Establish ownership of components, features, or systems with expert end-to-end understanding
• Manage project priorities, deadlines, and deliverables
• Collaborate effectively with distributed team members across multiple time zones, including offshore development teams
• Build relationships and foster team cohesion across geographical and cultural boundaries.
• All other tasks as required

Qualifications

• 3+ years of professional experience in software development
• Experience with leading and mentoring junior developers
• Expert proficiency with Python / Django
• Strong proficiency with ReactJS, JavaScript, and PHP
• Strong understanding of CI/CD pipelines, web infrastructure, and tooling for automated testing and deployment
• In-depth experience with cloud-based services (AWS)
• Experience with various database technologies (Postgres, OpenSearch, Redis)
• Experience with distributed data technologies (RabbitMQ, Celery)
• Knowledge of digital advertising is a plus
• This role may involve occasional travel for in-person collaboration, meetings, trainings, etc.

Benefits

• Work with a leading startup in a high-demand industry, and you would be working with like-minded experts aiming to transform video ad operations
• Competitive salary
• Comprehensive medical benefits (Medical, Vision, Dental, and Life Insurance)
• Cell phone and Wifi Reimbursement
• Bill Spend Stipend
• Gym Stipend
• Work-life flexibility - we value your contributions above all

About Channel Factory

Founded in 2010, Channel Factory is an award-winning marketing technology company that helps top global brands and agencies maximize YouTube advertising. Recognized as a technology innovator by Cynopsis and one of the fastest-growing companies by Inc., Channel Factory has served over three hundred of the Fortune 500 in delivering scalable, brand-safe, contextually aligned YouTube advertising software and services. By tapping into the deepest proprietary data pool on the market, the company enables highly customized, contextually