Senior Software Engineer, Epsilon
2+ days a week in office
Outcome-based marketing leader
Posted today
Outcome-based marketing leader
1001+ employees
Posted today
2+ days a week in office
1001+ employees
Company mission
To enable marketing that’s built on proof, not promises. We connect advertisers with consumers to drive performance while respecting and protecting consumer privacy and client data.
Role
Who you are
- 5+ years of software development experience in highly scalable, distributed environments
- Strong proficiency in Scala, Python, or Java, and a proven track record of building data-driven solutions at scale
- Hands-on experience with Spark, Hadoop, Hive, and related technologies
- Experience working with Kubernetes, Docker, and Airflow (preferred but not required)
- Familiarity with agile development methodologies and experience working in sprint cycles
- Strong problem-solving abilities and the ability to take ownership of complex, technical challenges from start to finish
- Excellent communication skills—both written and verbal—allowing you to interact effectively with cross-functional teams and stakeholders
Desirable
- Experience with cloud-based technologies (e.g., AWS, GCP, Azure) and distributed systems
- Experience in mentoring junior developers and promoting a culture of continuous learning within a team
- Hadoop and Spark certifications (preferred)
- Experience with advanced machine learning techniques and integrating them into production environments
- A passion for innovating and optimizing big data pipelines to solve complex business problems at scale
- The ability to thrive both autonomously and as part of a collaborative team
- BS in Computer Science or a related field
- Hadoop, Spark, or related certifications are a plus
What the job involves
- As a Senior Software Engineer, you’ll play a key role in delivering cutting-edge artificial intelligence (AI) and machine learning (ML) applications that drive Epsilon’s mission to empower data-driven solutions
- Reporting to [Manager/Team Lead Title], you’ll collaborate closely with cross-functional teams, including Data Science, Engineering, Analytics, and Data Warehousing, to build scalable, high-performance systems using Spark, Scala, and other big data technologies
- You will help shape the direction of data-driven initiatives and contribute directly to the success of projects that enhance Epsilon’s platform
- For top talent evaluating multiple opportunities, this role offers a unique chance to work at the forefront of AI/ML development in an innovative, growth-driven environment
- At Epsilon, you'll be part of a company that values collaboration, continuous learning, and technical excellence, giving you the platform to make a real impact
- The work you do will contribute directly to our core goals of advancing customer intelligence, expanding data capabilities, and enhancing our scalable solutions
- Epsilon is committed to fostering an inclusive, results-oriented culture
- This role aligns with our core values of innovation, collaboration, and excellence, empowering you to contribute to high-impact projects while growing your career in a supportive and forward-thinking environment
- Key Performance Objectives: Design and implement scalable AI/ML applications, integrating Spark, Scala, and other big data technologies to enhance data-driven decision-making. Collaborate with cross-functional teams to optimize system performance and ensure continuous improvement
- Skills Development: Expand your expertise in big data technologies like Spark, Hadoop, and Hive. Gain experience in agile development and enhance your leadership by mentoring junior team members and promoting best practices
- Exciting Projects & Career Growth: Work on impactful AI/ML projects that drive Epsilon’s data insights. Contribute to scalable, end-to-end solutions and take on leadership opportunities, all while staying ahead of the curve with new technologies in the evolving AI/ML space
Our take
The last decade has seen huge growth in digital advertising revenues. For the first time in 2019, digital ad spending surpassed traditional ad spending in the U.S.
To market effectively, brands need a clear understanding of their customers. Epsilion provides connections between people and brands for marketers through its PeopleCloud platform, unifying otherwise disconnected marketing data into profiles of 250 million unique consumers. Once this data is assembled and anonymized, each profile is assigned a "COREID", a secure and verified profile that stays with the consumer. This allows Epsilon's customers to ensure that they are always reaching the right people with their marketing efforts, and that they are complying with increasingly strict privacy and data protection regulations.
Epsilon counts many well-known brands among its clients, including L'Oréal, Marriott, John Lewis & Curry's. In 2019, Epsilon was acquired by Publicis Groupe for $4.4 billion, one of the largest acquisitions in marketing history. The recent acquisition of Yieldify by Publicis and its future integration with Epsilon will greatly improve Epsilon's personalization capabilities and strengthen the company's offering to mid-market clients.
Freddie
Company Specialist at Welcome to the Jungle
Insights
Some candidates hear
back within 2 weeks
55% female employees
5% employee growth in 12 months
Company
Company benefits
- Flexible hybrid working environment - our office is based in the iconic Television Centre in White City
- 25 days holiday per year + your birthday off + additional Epsilon Global Rest Days. Plus a day off each year for volunteer/charity work
- Pension Contributions
- Private Medical Insurance
- Life assurance
- Income protection insurance
- Mental Health & Wellbeing support: 24-hour online GP service and access to therapists, coaches and financial and legal specialists
- Enhanced family friendly policies including maternity, paternity, adoption, shared parental, fertility treatment, pregnancy loss, neo-natal and carers
- Work Your World: request to work anywhere in the world where we have an office for up to 6 weeks per year
- Cycle to Work scheme and on-site bike racks and shower facilities
- Free breakfast and fresh fruit, subsidised canteen and coffee bar, discounts in local shops, restaurants and gyms, plus a number of team social, sport and charity events throughout the year!
Company values
- Act with integrity - We are transparent and have the courage to do the right thing.
- Respect all voices - We embrace differences and foster a culture of inclusion and belonging.
- Empower with accountability - We trust each other to own and deliver on common goals.
- Work together to win together - We believe collaboration is the catalyst that unlocks our full potential.
- Innovate with purpose - We shape the market with big ideas that drive big outcomes.
Company HQ
Shepherd's Bush, London, UK
Articles
Leadership
John Giuliani
(Executive Chairman, not founder)Formerly the President and CEO of Coversant Inc. They're currently the Executive Chairman of Yieldify and is on Member Board of Directors panel for Opendorse.
Salary benchmarks
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Diversity, Equity & Inclusion at Epsilon
- At Epsilon, we celebrate the differences that make us unique and embrace the similarities that unite us. It’s our mission to create an environment of empathy, belonging and collaboration. We harness this commitment to diversity, equity and inclusion and strive to pass it along to the clients and communities we serve. Find out more here: https://www.epsilon.com/us/about-us/diversity-equity-inclusion
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