Senior Agentic AI and Harness Engineer
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Before you apply
LocationKrakow, Poland; Gdansk, Poland
Work modehybrid
SenioritySenior
Experience5+ yrs
DepartmentAI Engineering
Company size1,001–5,000 people
PostedOct 19, 2026 · 2w ago
Verified live1w ago
At a glanceSummarised by Seekless from the posting.
Bachelor's degree in a relevant technical field or equivalent practical experience
5+ years of software engineering experience
At least 1 year delivering LLM or agent-based applications in production
Strong Python skills
API design skills
Asynchronous processing skills
Automated testing skills
Source control skills
AWS engineering skills
Experience with Amazon Bedrock or equivalent managed model platform
Hands-on experience implementing agent loops, context assembly, retrieval, memory, tool selection and limits, durable state, checkpoints, retries, and idempotency
Ability to build regression evaluations for outcomes, evidence, and tool paths
Ability to enforce least-privilege tool access and prompt-injection defenses
Ability to separate model reasoning from deterministic controls
Strong troubleshooting skills
Strong analytical skills
Strong communication skills
Strong cross-functional collaboration skills
Experience in financial services or another regulated or highly controlled environment
Experience with MCP or similar model gateway protocols
Experience with multi-agent systems
Experience with durable workflow engines
Knowledge of secure tool execution
Knowledge of containers
Knowledge of infrastructure as code
Knowledge of CI/CD
Knowledge of observability platforms
Familiarity with responsible AI
Familiarity with governance, model risk management, and regulatory controls
Experience building shared AI platforms
Experience mentoring engineers
Experience establishing reusable engineering standards
Relevant certifications in AWS, cloud engineering, AI, security, or data
Skills
Python
AWS
Amazon Bedrock
MCP
containers
CI/CD
observability platforms
Benefits
Health insurance
Life insurance
Professional development
Remote work
Employee referral program
Training
Sports club
About the company
At HedgeServ, we’re redefining what’s possible in fund administration. With more than $700 billion in assets under administration, we partner with the world’s most forward-thinking investment managers – across private equity, private credit, endowments, hedge funds and more – to deliver seamless, tech-enabled solutions that drive performance.
Our proprietary platform, enhanced by machine learning and robotic process automation, gives clients real-time insights and unmatched control over their operations. Alongside our technology, we offer award-winning service through our team-based approach – led by a deeply experienced team of industry experts. Our solutions span the full investment lifecycle, including fund accounting, middle office, risk, compliance, tax, and investor services.
We’re a future-focused company, empowering our people through a robust career development framework, clear career trajectories with structured learning paths, training, and progression plans. We invest in leadership development and in our collaborative culture, creating space for talent to grow. Our corporate values – Relationships, Support, Innovation, and Expertise – create a sense of shared purpose and belonging, and we recognize our employees sit at the core of our success. We continue to innovate and evolve through our employees, working together to achieve our shared vision and mission.
HedgeServ supports employees through a variety of offerings, including remote and hybrid working arrangements, and fully paid comprehensive health and well-being benefits. We’ve been recognized as an employer of choice, earning a top 100 workplaces designation.
Founded in 2008, HedgeServ has grown into a global organization with over 2,000 experts across the globe, with offices in the United States, Grand Cayman, Ireland, Poland, Bulgaria, Luxembourg, the Philippines, and Australia. We’ve earned numerous accolades, including Top Overall Administrator, along with #1 rankings for providing alternative asset services in Accounting, Technology, Client Service, Investor Services, Alternative Fund Expertise, Reporting, and Regulatory Expertise.
Department Overview
The AI Engineering team builds secure, reliable, and reusable AI capabilities for HEDGESERV’s business and technology platforms, partnering across engineering, security, data, and operations to move solutions into production.
We integrate AI into existing workflows and platforms, focusing on measurable outcomes, production discipline, responsible AI, security, human oversight, and evidence-based evaluation.
Role Overview
You will design, build, and operate production AI agents for financial operations and enterprise workflows. In this role, the AI harness is the production layer around the model: the agent runtime, orchestration, controls, evaluation, and observability. You will own this layer, including retrieval, memory, tool execution, workflow state, human approvals, and safety controls.
You will bring strong software engineering skills, hands-on production LLM experience, sound architecture judgment, effective troubleshooting, and cross-functional collaboration. You will also establish reusable patterns for HEDGESERV engineering teams.
Key Responsibilities
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Runtime: Design, deploy, and support reliable production runtimes for AI agents serving financial operations and enterprise workflows.
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Orchestration: Build and extend agent loops, including context assembly, retrieval, memory, tool selection, execution limits, workflow state, and response validation.
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Controls: Enforce authorization, human approvals, policy checks, validation, checkpoints, idempotency, retries, and exception handling throughout agent workflows.
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Enterprise integration: Build validated, auditable tool and system interfaces with least-privilege permissions, prompt-injection defenses, and controls outside the model that isolate reasoning from deterministic execution.
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Evaluation: Build repeatable tests and regression suites for agent outcomes, supporting evidence, and tool-execution paths; diagnose quality, safety, failures, latency, and cost.
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Observability: Monitor and troubleshoot production agents, maintain audit evidence, and turn operational findings into reusable engineering standards.
Required Qualifications
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Bachelor’s degree in a relevant technical field or equivalent practical experience.
•
5+ years of software engineering experience, including at least 1 year delivering LLM or agent-based applications in production.
•
Strong Python, API design, asynchronous processing, automated testing, source control, and AWS engineering skills; experience with a managed model platform such as Amazon Bedrock or an equivalent service.
•
Hands-on experience implementing agent loops, context assembly, retrieval, memory, tool selection and limits, durable state, checkpoints, retries, and idempotency.
•
Ability to build regression evaluations for outcomes, evidence, and tool paths; enforce least-privilege tool access and prompt-injection defenses; and separate model reasoning from deterministic controls.
•
Strong troubleshooting, analytical, communication, and cross-functional collaboration skills.
Preferred Experience
•
Experience in financial services or another regulated or highly controlled environment.
•
Experience with model or tool gateways and interoperability protocols, such as MCP, plus multi-agent systems and durable workflow engines.
•
Knowledge of secure tool execution, containers, infrastructure as code, CI/CD, and observability platforms.
•
Familiarity with responsible AI, governance, model risk management, and regulatory controls.
•
Experience building shared AI platforms, mentoring engineers, or establishing reusable engineering standards.
•
Relevant certifications in AWS, cloud engineering, AI, security, or data.
We’re proud to offer a benefits package and workplace culture designed to support your health, career ambitions and life beyond work.
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LuxMed Premium Package
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Life insurance and travel insurance
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MyBenefit Platform
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Employee Referral Program
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Remote/hybrid working opportunities, or from the office
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100% funding for certifications and postgraduate studies accredited by ACCA, CIMA and IOB
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Technical workshops and soft skills training
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Sports and Social Club