Senior Applied Scientist/Data Scientist

10 hours ago


Dublin, Ireland Sojern Full time

Position summary:

We are looking for a talented and motivated Senior Applied Scientist to help improve the performance of our targeting and optimization products.

The Applied Science team at Sojern develops services and pipelines to optimize advertising campaign performance and applies machine learning at scale for thousands of customers. We utilize a range of algorithms and methods to do this including:

- Bayesian statistics and supervised learning to model conversion rates and revenue
- Linear programming to balance campaign objectives
- Scaled AI/ML with Tensorflow/Vertex AI to model a traveler’s propensity to book

As a part of the Science and Optimization team, we deliver through the full data product life-cycle: from prototyping to production development to A/B testing and measurement. This provides each team member the opportunity to gain additional experience with a range of technologies such as Tensorflow, Vertex AI, Docker and the Google Cloud Platform.

What you will do:

- Design and maintain machine learning models to optimize campaign targeting
- Model key performance advertising metrics like conversion rates and click-through rates, and use those metrics to automate estimation of campaign bids and budgets
- Improve systems that optimize campaign performance and pacing
- Implement machine learning pipelines on Google Cloud Platform
- Write and ship production-level python code
- Write and execute complex SQL queries to extract and transform data from various sources
- Collaborate with other applied scientists, software engineers and product managers to design and implement solutions based on business requirements
- Document code and processes for future reference and maintainability.
- Participate in the entire Agile development lifecycle, including sprint planning, stand-ups, and retrospectives

What you bring to the table:

Essentials

- You have hands-on experience building production-level ML and data products.
- You have expert-level understanding of data science topics.
- You have at least two years of experience as an applied scientist / data scientist / ML engineer.
- You have an MS or PhD in computer science or a quantitative discipline, or equivalent experience.
- You have written and put Python code into production and can reason about algorithmic efficiency.
- You have strong knowledge of cloud computing platforms, such as AWS, Azure, or Google Cloud.
- You can design and apply machine learning models (supervised, unsupervised, reinforcement learning etc.) to solve business problems.
- You can effectively communicate with applied scientists, data scientists, engineers and product managers.
- You can evaluate, analyze and interpret model results resulting in further improvement of existing statistical model performance
- You can perform complex data analysis using SQL/Jupyter notebook to find underlying issues and propose a solution to stakeholders explaining the various trade-offs associated with the solution.
- You can use your grit and initiative to fill in gaps and drive projects to completion

Nice to have

- You have experience with Google Cloud Platform
- You have good knowledge of at least one other programming language in addition to Python (Go, C++, etc.)
- You have experience with Docker
- You have at least one year of experience within the Ad Tech ecosystem

What we have for you:

We take a whole-person approach to create a Sojernista Experience that allows our people to thrive, not just as employees, but as humans. As an employee of Sojern, you would benefit from this in the following ways:

- Rewards & Recognition: Competitive compensation packages, stock options offered to every employee, Bonusly program to reward and recognize team wins and performance, plus employees can take up to 40 hours of paid time per year to volunteer and give back to the community
- Flexibility: Flexi-Friday benefit, hybrid or remote work options for most roles, time-zone friendly work hours with async collaboration
- Connection: Team offsites planned annually, six employee resources groups, regular virtual and in-office team building events, monthly company All Hands & leadership Q&As
- Wellbeing: PTO allowance to recharge, comprehensive healthcare options, paid parental leave (16 weeks for birthing parents; 12 weeks for non-birthing parents), retirement contributions and investment options (for applicable locations), travel benefits (hotel stay benefit & IATA membership), plus mental health, wellness & financial health resources
- Growth: Learning & development stipend, mentorship program, career development programs, leadership training
- Productivity: Home office tech set up (laptop, monitor, keyboard, mouse), monthly internet and phone allowance, modern tools to communicate and collaborate (Slack, Google Suite)

Our Sojernista First workplace philosophy is designed to take a flexible approach, recognizing that the needs of our employees may differ depending on their role, team, or location. What does not differ is our focus on building genuine connections, increasing global collaboration, and providing programs, tools and resources centered around the needs and wellbeing of our employees, regardless if you are working in an office, hybrid, or fully remote.

About Sojern:

At Sojern, we believe in the power of travel as a way to bring the world together. It is that passion that drives Sojern to build smart digital solutions that help travel marketers reach travelers efficiently, and increase long-term growth, customer loyalty and profitability.

Our customers include hotels, attractions and tourism boards, and they use the power of machine learning, data science and real-time traveler data in Sojern’s products to build direct relationships with travelers across social, mobile and the web. Now, more than ever, our thousands of customers rely on Sojern to drive visits, bookings, and ticket sales by engaging with travelers as they plan their travel.

As a globally distributed company, we are headquartered in San Francisco with employees based in 14 countries and counting. Our team is passionate about travel and the core values that define our culture: Win as a Team, Embrace Inclusion, Be Genuine, Deliver Wow, and Center Around the Customer. Check out our Glassdoor reviews

#J-18808-Ljbffr



  • Dublin, Ireland Reperio Human Capital (Ireland) Ltd Full time

    Senior Data Scientist Location: Dublin Salary: € Hybrid Reperio have partnered with a small, but fast-growing tech company who are looking to increase their headcount significantly in 2025. To facilitate this, they are seeking an experienced and results-driven Senior Data Scientist to lead complex data projects, mentor team members, and deliver innovative...


  • Dublin, Ireland Optum Full time

    Optum is a global organisation that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion,...

  • Senior Data Scientist

    23 hours ago


    Dublin, Ireland BT Full time

    Senior Data Scientist Job Req ID: 41357 Posting Date: 20 Nov 2024 Function: Data & AI Unit: Finance & Business Services Location:Grand Canal Dock, Dublin, Ireland Salary: Competitive + Excellent Benefits Closing Date: Wednesday 4th December 2024. Dublin-based with flexible smart working – Attractive salary and benefits Are you ready to lead and...


  • Dublin, Ireland Three Ireland (Hutchison) Limited Full time

    Digital Data Scientist In our world things change by the millisecond. We build the technology that creates amazing moments and better connects our customers. Ready to play your part? Join us and Be Phenomenal. Working towards the same shared goal of better connectivity, our tech teams enjoy a high degree of autonomy. We love hearing ideas and seeing them...


  • Dublin, Ireland Amazon Full time

    We are seeking an innovative and technically strong data scientist with a background in optimization, machine learning, and statistical modeling/analysis. This role requires a team member to have strong quantitative modeling skills and the ability to apply optimization/statistical/machine learning methods to complex decision-making problems, with data coming...


  • Dublin, Ireland Amazon Full time

    AWS Utility Computing (UC)provides product innovations — from foundational services such as Amazon’s Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2), to consistently released new product innovations that continue to set AWS’s services and features apart in the industry. As a member of the UCorganization, you’ll support the...


  • Dublin, Ireland Beacon Hospital Group Full time

    Job Description Job Title: Basic Grade Medical Scientist - Histology Department: Laboratory Reports to: Senior/ Chief Medical Scientist/ Laboratory Manager Date: 2025 6 Month Fixed Term Contract Overall Purpose of Role To assist in routine processing and co-ordinating the Laboratory service in accordance with the mission, values, vision and strategic plan of...


  • Dublin, Ireland Mater Private Hospital Group Full time

    Senior Medical Scientist in Biochemistry and Immunology An opportunity has arisen in our Laboratory department for a full-time Senior Medical Scientist in Biochemistry and Immunology. Purpose of the Post: To be responsible for the provision of an efficient, effective, accredited laboratory service for the patients of the Mater Private Hospital. Principal...


  • Dublin, Ireland St. James Hospital Full time

    About us: St Jamess Hospital is Irelands largest acute academic teaching hospital and is based in Dublins south inner city. Our fundamental purpose is the delivery of health treatment, care and diagnosis as well as health promotion and preventative services at local, regional and national levels. Our academic partner is Trinity College Dublin. Purpose of the...


  • Dublin, Ireland Amazon Full time

    Applied Scientist, CMT, Amazon Bangalore Impact As a member of the CMT team, you'll play a key role in the evolution of our Competitive Monitoring systems to solve significantly complex and interesting technical challenges in large-scale computing, distributed systems, web applications, data mining, scalability, security, and algorithms to name a few. The...


  • Dublin, Ireland CPL Full time

    Cpl in partnership with our client Pfizer are seeking a Bioconjugation Scientist to join the team for an 11 month fixed term contingent contract at their state of the art plant in Dublin, Grange Castle. This is an onsite role. Why Patients Need You Pfizer’s purpose is to deliver breakthroughs that change patients’ lives. Research and Development is at...


  • Dublin, Ireland Amazon Full time

    Applied Scientist, International Machine Learning Do you want to join an innovative team of scientists who use machine learning and statistical techniques to create state-of-the-art solutions for providing better value to Amazon’s customers? Do you want to build and deploy advanced ML systems that help optimize millions of transactions every day? Are you...


  • Dublin, Ireland Nuritas Ltd Full time

    POSITION SPECIFICATION Position: Analytical Chemistry Scientist - Job Specification Company: Nuritas Location: Dublin Reporting Relationship: Head of Proteomics & Analytical Science COMPANY BACKGROUND / CULTURE Nuritas is revolutionizing the discovery of novel, natural and scientifically proven bioactive ingredients that enable their partners to create...


  • Dublin, Ireland Amazon Full time

    Are you a MS or PhD student interested in a 2025 Internship in the field of machine learning, deep learning, speech, robotics, computer vision, optimization, quantum computing, automated reasoning, or formal methods? If so, we want to hear from you! We are looking for students interested in using a variety of domain expertise to invent, design and implement...


  • Dublin, Ireland Amgen SA Full time

    Overview: Commercial Attribute Sciences – Associate Scientist This job specification outlines the general responsibilities associated with the role of Associate Scientist within the Commercial Attribute Science (CAS) Dept. of Process Development at Amgen Dun Laoghaire (ADL). This role will be responsible for supporting activities related to the three...


  • Dublin, Ireland OASIS Group Full time

    Staff Grade Medical Scientist Microbiology - Dublin 8, Ireland - Full time, Temporary Who We Are The Coombe Hospital is one of the largest providers of women and newborn health care in the Republic of Ireland. We care for up to 10,000 pregnant women every year. In addition, over 1,000 newborns are admitted to the Neonatal Intensive Care Centre and over...


  • Dublin, Ireland St James's Hospital Dublin Full time

    About us: St James’s Hospital is Ireland’s largest acute academic teaching hospital and is based in Dublin’s south inner city. Our fundamental purpose is the delivery of health treatment, care and diagnosis as well as health promotion and preventative services at local, regional and national levels. Our academic partner is Trinity College...


  • Dublin, Ireland Cpl Healthcare Full time

    Cpl in partnership with our client Pfizer are seeking a Purification Development Associate Scientist to join the team at their state of the art plant in Dublin, Grange Castle for an 11 month fixed term contract. This is a lab-based, onsite role. Pfizer’s Sterile Injectables and Biotech Technology (SBT) portfolio comprises multiple approaches for the...


  • Dublin, Ireland Amazon Full time

    Amazon Music Search team is seeking an Applied Scientist who will join a team of experts in the field of machine learning, and work together to break new ground in the world of understanding and classifying different forms of music, and creating interactive experiences to help users find the music they are in the mood for. We work on machine learning...


  • Dublin, Ireland Career Change Full time

    Data Scientist Placement Programme - No Experience RequiredOur training will help you kick-start a new career as a Data Scientist.We are recruiting for companies who are looking to employ our Data Science Traineeship graduates to keep up with their growth. The best part is you will not need any previous experience as full training will be provided. You will...