Engineer I

Hybrid Schedule (M/F remote, T/W/TH in-office) At Magnite, we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read, watch, and buy, and we're looking for people to help us tackle that responsibility with creativity and focus. Magnite (NASDAQ: MGNI) is the world's largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV / streaming, online video, display, and audio. Our tech fuels billions of transactions per day!The successful candidate will join a pivotal engineering team tasked with building the next-generation data system. This critical initiative aims to unify three disparate data platforms into a single, cohesive system, significantly simplifying data access and usage for our clients. This role is essential for delivering the foundational architecture that will support future business growth and innovation. In this role you will: Investigate discrepancies between the existing disparate data platforms and the new system to identify root causes Create detailed bug tickets and work items for identified issues and discrepancies Perform general code reviews and write/execute unit tests for both new and existing functionality Develop and implement new end-to-end (E2E) tests to ensure data flows correctly and reliably through the new system architecture and into required downstream systems Demonstrate a strong willingness and ability to learn additional programming languages, tools, and cloud technologies as the project evolves We're looking for someone with: Experience in Go (Golang) or Python Python: Proficiency in Java or another Go-based or C-based language (e.g., C++, C#, Rust) Experience with Quality Assurance (QA) practices and tools A strong combination of at least one language from the Primary category and one from the Secondary/Complementary category A natural curiosity and a passion for learning new technologies A collaborative spirit and strong communication skills A proactive and responsible approach to your work and a willingness to learn from feedback Our current tech stack: This role is centered on engineering solutions utilizing an API and job-based architecture, primarily deployed within AWS. The technology stack in focus includes: Go (Golang): Used for building high-performance, scalable API services and core backend logic Javascript/TypeScript: Primarily used for serverless functions, utility scripts, and potentially integration layers Python (pySpark): The primary tool for data processing, transformation, and large-scale analytical jobs within the data pipeline AWS Services: Deep interaction with cloud services relevant to data processing, storage, and serverless compute (e.g., S3, Lambda, EKS/ECS, Glue, DynamoDB, RDS) Comprehensive Perks and Benefits : Holiday Breaks and Quarterly Wellness Days Equity and Employee Stock Purchase Plan Family-Focused Benefits and Parental Leave Private Medical Insurance Competitive Pension Plan Disability and Life Insurance Mobile Phone Subsidy Fitness and Wellness Reimbursement Company Culture: We believe collaboration is essential to success. Magnite's hybrid schedule includes two days worked remotely (Monday and Friday) and three days on-site (Tuesday, Wednesday and Thursday). Our offices provide lunches, beverages, snacks, training and development, and office events to support your work week. We also understand you have appointments, families, hobbies, and other commitments. Magnite strives to maintain a healthy work/life integration for all employees so you can bring your best every day - both at work and at home. Magnite Invests in You: Career Development Initiatives and a Career Growth Framework Culture and Inclusion Programs Bonusly Peer-to-Peer Recognition Program Community Service and Volunteer Events Company-Matched Charitable Contributions Mental Health Support The world's leading agencies and brands trust our platform to access brand-safe, high-quality ad inventory and execute billions of advertising transactions each month. Anchored in bustling New York City, sunny Los Angeles, mile high Denver, historic London, and down under in Sydney, Magnite has offices across North America, EMEA, LATAM, and APAC. Our Commitment: We aim to incorporate a wide range of voices into our Magnite culture, cultivating an environment where employees feel welcomed, cared for, and encouraged to freely share ideas. We are committed to employee growth, collaboration, inclusion, and innovation. We invest in Magnite's local communities. We seek talent from all backgrounds to champion corporate values of seeing the big picture and being catalysts of change. Check out our for Magnite announcements and Ad Tech industry news! Recruiting Agency Notice Magnite does not accept agency resumes and is not responsible for any fees related to unsolicited resumes. Engineer I Belfast, Northern Ireland