hero

Search open roles at our portfolio companies

companies
Jobs

Software Engineer - AI/ML

Sailthru

Sailthru

Software Engineering, Data Science
United Kingdom · Remote
Posted on Sep 17, 2025

The Company:
Marigold is a leading cross-channel marketing platform, with solutions for email, SMS, loyalty, and personalization, helping brands transform their relationships with customers. As the trusted partner behind the world's most recognized brands, including Air New Zealand, Chipotle, Hiscox, KFC, Kraft Heinz, The Atlantic, and more-Marigold delivers relevant brand experiences that cut through the noise and drive real impact. Marigold was born through a merger of industry-leading marketing platforms Cheetah Digital, Sailthru, Selligent, Liveclicker, Emma, and Campaign Monitor, and powers billions of customer interactions annually.

The Role:

We are seeking a Software Engineer to join our team to develop and deploy AI-driven features that will drive the next generation of marketing automation and marketing intelligence combining generative AI, machine learning and engineering best practices.

What You’ll Do:

  • Build AI-Driven features and functionality using Python, LangChain, LangGraph and Large Language Models (LLMs)

  • Work with platforms such as Amazon Bedrock, OpenSearch, ClickHouse, SageMaker, and MySQL to power a rich set of AI-driven features

  • Develop and test AI agents, AI assistants and tool-assisted workflows in real-world conditions

  • Collaborate with data scientists to operationalize AI and ML workflows, focusing on building, deploying, and maintaining production-grade systems in Amazon Web Services (AWS) cloud

Ideal Qualifications:

  • Degree in Computer Science, or a related field, or equivalent combination of education and experience

  • 5+ years of hands-on software development experience in Java or Python

  • Strong foundation in computer science fundamentals, including data structures, algorithms, object-oriented programming, and software design patterns

  • Experience building data pipelines and ETL processes using relational and NoSQL databases (e.g., MySQL, ClickHouse, MongoDB)

  • Familiarity with modern software deployment practices using AWS, Docker/Containers, ECS/EKS, GitOps, Terraform/OpenTofu, CI/CD and Observability (OpenTelemetry, Prometheus, Grafana)

  • Experience working on agile teams using Kanban or Scrum methodologies

  • Strong analytical, problem-solving, and communication skills, with the ability to explain complex technical concepts to non-technical stakeholders

Nice to Have:

  • Experience working in marketing technology or e-commerce industries

  • Experience with Large Language Models (LLMs), Retrieval Augmented Generation(RAG), embeddings and semantic search, tool-assisted generation and AI agents in a production environment

What We Offer:

  • The competitive salary and benefits you’d expect!

  • Generous time off (we call it Open Time Away) as well as paid holidays and a birthday benefit day off.

  • Retirement contributions.

  • Employee-centric and supportive remote work environment with flexibility.

  • Support for life events including paid parental leave.