> Markdown version of [/jobs/ext/2898198-senior-lead-software-engineer-marketing-and-messaging-experimentation](https://www.wearedevelopers.com/jobs/ext/2898198-senior-lead-software-engineer-marketing-and-messaging-experimentation). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Lead Software Engineer, Marketing and Messaging Experimentation

- **Company:** Capital One Financial Corporation
- **Location:** Riverwoods, IL, United States
- **Experience:** Expert
- **Salary:** $209,000.0 - $238,500.0
- **Contract:** Internship / Graduate position
- **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Amazon Web Services, Application Frameworks, Microsoft Azure, Cloud Computing, Python (Programming Language), Machine Learning, Cloud Services, Software Engineering, SQL Databases, Systems Architecture, Google Cloud, Low Latency, Apache Kafka, Video Streaming, Virtual Agents, Golang
- **Published:** September 14, 2026
- **Apply:** https://dejobs.org/x/x/AA628682376440CD9B652712EC0F05CE/job/

## About the Role

* Bachelor's Degree
 * At least 6 years of experience in software engineering (Internship experience does not apply)
 * At least 1 year experience with cloud computing (AWS, Microsoft Azure, Google Cloud), * Master's Degree
 * 9+ years of experience in at least one of the following: Python, Java, Go, SQL, etc
 * 4+ years of experience with AWS, GCP, Azure, or another cloud service
 * 4+ years of experience in open source frameworks
 * 4+ years of experience with distributed streaming technologies (e.g., Apache Kafka)
 * 4+ years of people management experience, or mentoring talented engineers
 * 2+ years of experience in Agile practices
 * Proficiency in system architecture, system design, and large-scale, low-latency applications
 * Experience leveraging interactive AI tooling to accelerate productivity, utilizing capabilities beyond basic code completion.
 * Hands-on experience with Agentic AI workflows/automation, integrating Machine Learning models or AI-driven systems. Experience building or scaling experimentation platforms and A/B, MAB testing frameworks.

Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

## Description

* Serve as a technical innovator and cross-functional architect, partnering with data science, product, and engineering teams to design resilient, system-level architectures for enterprise-wide experimentation, audience segmentation, and customer journey orchestration.
 * Architect and scale high-performance systems and engines across experimentation, audience segmentation, and journey decisioning to optimize message effectiveness and analyze customer responsiveness leveraging advanced ML models and personalization techniques.
 * Integrate cutting-edge AI, agentic workflows, and distributed streaming architectures to power fast, scalable journey orchestration, automated creative testing, and targeted segment delivery across products, messages, and channels.
 * Mentor and guide software engineers while cultivating a culture of technical excellence, continuous experimentation, and hands-on innovation with emerging tech stacks.


## Related Videos

- [How to Benchmark Your Apache Kafka](https://www.wearedevelopers.com/videos/76-how-to-benchmark-your-apache-kafka)
- [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall)
- [Swapping Low Latency Data Storage Under High Load](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load)
- [Agentic employees in world's most downloaded FinTech app](https://www.wearedevelopers.com/videos/100123-agentic-employees-in-world-s-most-downloaded-fintech-app)
- [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang)
- [Pioneering AI Assistants in Banking](https://www.wearedevelopers.com/videos/1627-pioneering-ai-assistants-in-banking)

## Related Articles

- [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries)
- [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)