Sigma Software logo
Sigma Software

Our Customer is a Sweden-based AdTech company specializing in advanced self-serve advertising platforms that automate direct transactions between advertisers and major global publishers. Their technology removes traditional friction in ad sales by enabling automation, transparency, and operational efficiency at scale. Platforms are trusted by internationally recognized publishers including TripAdvisor, Bloomberg, The Washington Post, Opera, and Dow Jones, handling millions of transactions worldwide. The project is a strategic architectural transformation toward a Platform-First approach. The company is transitioning from monolithic, client-specific implementations to a standardized, API-driven, multi-tenant ecosystem of reusable microservices. These services power the entire product suite, remaining independent, scalable, and decoupled from frontend or customer-specific customization.

Senior / Principal AI / ML Engineer

Machine Learning EngineerMachine Learning EngineerFull TimeRemoteLeadTeam 1,001-5,000

Location

Worldwide

Posted

3 days ago

Salary

0

Seniority

Lead

No structured requirement data.

Job Description

Senior / Principal AI / ML Engineer

Sigma Software

Role Description Are you passionate about shaping the future of AI-powered products? We are looking for a Senior / Principal AI / ML Engineer to join our team and lead the standardization and scaling of AI implementation across a cutting-edge platform. This role offers the opportunity to work at the intersection of AI, data, and product engineering, driving innovation and delivering production-ready solutions. The position can be remote, offering flexibility while collaborating with a highly skilled, international team. We at Sigma Software value innovation, ownership, and engineering excellence, providing an environment where your expertise will directly influence strategic AI adoption. Why join us? We offer competitive benefits, professional growth opportunities, and the chance to work on impactful projects that push the boundaries of AI technology. - Lead the design and implementation of scalable AI-powered solutions across the product ecosystem - Automate manual workflows using AI-driven approaches, ensuring measurable efficiency gains - Architect and build semantic data models to support diverse AI use cases - Develop agent-based architectures for intelligent task automation - Build and maintain custom AI skills and capabilities tailored to product needs - Apply spec-driven development practices to ensure consistency and maintainability of AI features - Define and enforce best practices for AI integration and scalability - Collaborate closely with product and engineering leadership on AI strategy, roadmap, and execution - Evaluate emerging AI technologies and recommend adoption strategies Qualifications - 6+ years of experience in AI/ML engineering, or related fields - Strong experience with AWS - Solid experience with SQL - Experience with Anthropic ecosystem (Claude, LLM-based tools) - Proven track record in custom AI / LLM skills development - Hands-on experience with spec-driven development - Experience with agentic programming / agent-based systems - Ability to design scalable, production-ready AI solutions - WILL BE A PLUS: - Experience with DBT - Experience with Amazon Redshift - Experience building semantic layers / data modelling for AI Requirements - Strong ownership and ability to work independently - Product-oriented mindset with focus on practical AI application - Ability to translate business needs into scalable AI solutions - Structured and engineering-driven approach to AI implementation - Leadership mindset with ability to mentor and influence technical direction

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