Location: Singapore
We are looking for an Algorithm Engineer to drive the development of core machine learning models powering our advertising system. This role sits within a high-impact, cross-functional team working closely with data engineering and product to deliver scalable, real-time optimization solutions. You will take ownership of key components such as CTR/CVR prediction, ranking, and bidding, directly influencing revenue and campaign performance. The role offers the opportunity to tackle complex challenges in large-scale modeling and high-concurrency systems, while continuously improving ROI/ROAS outcomes. This is an ideal position for someone who enjoys combining deep technical expertise with measurable business impact.
Role & Responsibilities:
Design and optimize core advertising algorithms, including CTR/CVR prediction, ranking, and bidding strategies
Develop and enhance large-scale machine learning models to improve campaign performance (ROI/ROAS)
Build and maintain end-to-end pipelines covering feature engineering, data processing, and model training
Optimize online inference systems to support high-concurrency real-time bidding (RTB) environments
Partner with data engineering and product teams to deploy, monitor, and iterate on production models
Job Requirements:
Bachelor’s degree or above in Computer Science, Mathematics, Statistics, or a related field
3+ years of experience in machine learning, data mining, or related areas
Strong foundation in machine learning/deep learning and solid programming skills
Experience with large-scale data processing and distributed computing frameworks
Background in advertising systems (CTR/CVR, ranking, DSP) or related domains is highly preferred
What’s On Offer:
At Opera, you’ll join a diverse and inclusive team of experienced, supportive professionals who value creativity and collaboration. We work in a flat structure with short decision-making paths, use smart technology, and support your ongoing skill development in a friendly and empowering environment.
Interested?
We’d love to hear from you! Applications are reviewed on a rolling basis, so we encourage you to apply soon. Please submit your CV in English. Have questions about our recruitment process, remote work, or benefits? Check out our FAQ page for more details.
Opera is a leading global internet brand with a large and engaged user base of approximately 300 million average monthly active users. Building on 30 years of innovation, starting with our browser products, we are leveraging our brand as well as our massive and engaged user base in order to expand our offerings and our business. Today, we offer users around the globe a range of products and services that include a variety of PC and mobile browsers, our Opera Gaming portals and development tools, our Opera News content recommendation products, our audience extension product (namely the Opera Ads platform) and a number of AI and Web3 products and services.
How do we do it?
Opera is at the forefront of building ideas, bringing together exceptional international teams of developers, coders, researchers, marketers, and support professionals. Our goal has always been to provide the best online experience on any device, leveraging our decades of experience and dedication to innovation.
Our success is also driven by our people. We know what it takes to build a winning team, and we seek out individuals who share our values and our passion for excellence. We believe in giving our team members the freedom to work in ways that suit them best, trusting them to deliver their best work on their own terms. We value collaboration and teamwork, recognizing that we can achieve more when we work together than when we work alone. And above all, we look for good human beings who share our commitment to making a positive impact on the world.
If you're interested in job opportunities at Opera, be sure to check out jobs.opera.com. You'll find a comprehensive list of all positions currently available at our company.
And if you're looking to download one of our browsers, head over to www.opera.com. There, you'll find everything you need to get started with the latest version of our browser.
