Mid or Senior Applied AI Engineer
Aviva Investors1 day ago
Warsaw, PolandMid Level / Senior
Responsibilities
- Design, build, and operate production-grade AI agents, context pipelines, and applied AI services.
- Make architecture decisions covering framework selection, orchestration patterns, and memory strategies.
- Define evaluation criteria and implement frameworks covering quality, safety, fairness, and compliance.
- Translate business needs into practical AI solutions with product and business stakeholders.
- Make build-versus-reuse decisions and contribute reusable components, standards, and engineering patterns.
- Write clean, testable Python code and use AI-assisted engineering tools effectively.
- Maintain production reliability, monitor cloud and API resource usage, and support incident response.
- Identify and escalate architectural, data, compliance, and responsible AI risks.
- Provide technical guidance to less experienced engineers and participate in architecture and design reviews.
Requirements
- Strong Python engineering skills and a record of writing clean, testable, production-quality code.
- Proven experience delivering production large language model applications, such as AI agents or advanced context pipelines.
- Strong communication skills and the ability to work with technical and business stakeholders.
- A degree in computer science, engineering, mathematics, or a related discipline, or equivalent practical experience.
- A demonstrable portfolio of production AI or large language model engineering work.
- Preferred: experience with context engineering, including chunking, embedding selection, hybrid search, re-ranking, knowledge graphs, and prompt construction.
- Preferred: hands-on experience with agent orchestration frameworks or direct implementation of agent loops through APIs.
- Preferred: experience building or consuming Model Context Protocol servers and production evaluation frameworks.
- Preferred: understanding of session, long-term, and semantic memory architectures.
- Preferred: AWS production operations experience, model fine-tuning, voice solutions, AWS certification, regulated-industry experience, and AI data-protection or customer-outcome knowledge.
Benefits
- Contract of employment and performance bonus.
- Private medical care, cafeteria benefits including a MultiSport card, group insurance, and an Employee Shares Plan.
- Additional parent privileges, including six weeks of leave for a second parent and shortened working time after parental leave.
- Extra birthday day off, paid volunteering leave, and additional tenure-based leave of up to five days per year.
- Two weeks of paid Wellbeing Leave after 10 years of service and psychological support consultations.
- Access to e-learning platforms and an internal employee referral program.
- Hybrid working from Poland with a few days per month in the Warsaw office.
- Additional entitlements for people with disabilities and a diversity-focused work environment.
Categories
About Aviva Investors
Aviva Investors is the global asset management business of Aviva plc, headquartered in London and founded in 2008. It manages fixed income, equity, real assets, multi-asset, and alternative strategies, including ESG-oriented mandates, for institutional, wholesale, and retirement clients worldwide. Its business model centers on management and performance fees from pooled funds and segregated mandates across global markets.