Senior Python Engineer (AI)

capital — Warsaw, PL — inconnu

What our tracking knows about this posting

Published on 1 June 2026 · first appeared in our records on 1 September 2026.

Stable posting: first seen on 1 September 2026, with no abnormal reposting.

This posting shows no salary — 14% of open tech postings in PL do.

View the posting at the employer Have my resume reviewed for this job
We are looking for an experienced Senior Software Engineer - Python / AI Engineer to join the Internal Development Team. In this role, you will design, develop, and maintain internal tools, APIs, AI-driven automation workflows, and system integrations that improve operational efficiency across Capital.com. The role is strongly focused on building practical AI solutions, including AI agents, agent workflows, automated decision-support flows, and integrations with internal and external systems. You will collaborate closely with Engineering, Security, Operations, Compliance, Finance, and other business teams to deliver secure, reliable high-quality software that supports internal workflows, data integration, and emerging AI-driven initiatives. Key Responsibilities: • Develop and maintain internal services, tools, APIs, automation scripts, and AI-enabled workflows. • Design and implement AI agents, multi-step agent flows, and automation pipelines to support internal business processes. • Build integrations with internal and third-party systems, including financial platforms, payment providers, reporting tools, Jira, Confluence, Okta, Slack, AWS, and other enterprise systems. • Develop AI-powered features such as intelligent data processing, document analysis, classification, anomaly detection, workflow automation, and decision-support tools. • Integrate LLMs and AI services into internal applications using APIs, orchestration frameworks, vector databases, and retrieval-augmented generation where appropriate. • Create and maintain automation flows connecting AI agents, APIs, databases, notifications, and approval workflows, local and remote MCP servers. • Investigate, troubleshoot, and resolve issues related to financial integrations, API failures, data inconsistencies, automation errors. • Write clean, efficient, secure, and well-documented code following software engineering best practices. • Implement CI/CD pipelines and automated testing frameworks. Optimize system performance and ensure reliability and security. Contribute to architectural decisions and participate in code reviews. • Optimize performance, reliability, observability, and security of internal tools and integrations. • Support architectural decisions, participate in code reviews, and contribute to engineering standards. • Continuously identify opportunities to improve manual processes through automation, AI, and better system integrations. Requirements: • 3–5+ years of professional experience as a Python Developer, AI Engineer • Strong proficiency in Python 3.x, including asynchronous programming, REST API development • Experience with frameworks such as FastAPI, FastMCP, Flask, or Django. • Practical experience building or integrating AI-powered solutions in production or near-production environments. • Experience working with LLM APIs and AI platforms, such as OpenAI, Anthropic, AWS Bedrock, Google Vertex AI, or similar. • Experience designing AI agent workflows, tool-calling flows, prompt-driven automation, or multi-step AI orchestration. • Understanding of AI engineering concepts such as prompt design, retrieval-augmented generation, embeddings, vector databases, structured outputs, evaluation, and guardrails. • Ability to integrate AI capabilities into existing services, internal tools, and automation workflows. • Strong experience with API integrations, including authentication, OAuth2, webhooks, error handling, retries, rate limits, and secure data exchange. • Solid understanding of SQL and relational databases such as PostgreSQL or MySQL. • Experience troubleshooting API integrations, data synchronization issues, automation failures, and production defects. • Basic proficiency in HTML, CSS, and JavaScript to support lightweight frontend interfaces or internal admin dashboards. • Experience with Docker and Kubernetes. • Familiarity with GitLab CI/CD or similar CI/CD pipelines. • Experience with financial data processing, reconciliation, reporting automation, or transaction monitoring. • Understanding of risk, compliance, and operational controls in financial environments. • Understanding of secure coding practices, secrets management, access control, and secure data handling. • Strong analytical, debugging, and problem-solving skills. • Excellent communication skills and ability to work with both technical and non-technical stakeholders. Preferred: • Experience working with AWS services. • Experience with Kubernetes deployments and management. • Experience integrating with enterprise tools (Jira API, Okta API, Slack API). • Familiarity with infrastructure as code and DevOps practices. • Exposure to logging and monitoring stacks (ELK, Prometheus, Grafana). • Understanding of secure coding practices and compliance requirements in fintech or regulated environments. • General understanding of the math and algorithms behind AI and related technologies. What you will get in return: • Competitive Salary: We believe great work deserves great pay! Your skills and talents will be rewarded with a salary that makes you feel valued and motivated. • Work-Life Harmony: Join a company that genuinely cares about you - because your life outside of work matters just as much as your time on the clock. #LI-Hybrid • Annual Performance Bonus: Your hard work doesn’t go unnoticed! Celebrate your achievements with a well-deserved annual bonus tied to your performance. • Generous Time Off: Need a breather? Our annual leave policy lets you recharge and enjoy life outside of work without a worry. • Employee Referral Program: Love working here? Share the love! Bring your talented friends on board and get rewarded for growing our awesome team. • Comprehensive Health & Pension Benefits: From medical insurance to pension plans, we’ve got your back. Plus, location-specific benefits and perks! • Workation Wonderland: Live your digital nomad dreams with 30 extra days to work remotely from anywhere in the world (some restrictions apply). Adventure awaits! • Volunteer Days: Make a difference! Take two additional paid days each year to support causes you care about and give back to the community.