Senior Python Engineer – AI

Capital.com

Senior Software Engineer designing and maintaining AI-powered tools and APIs for Capital.com. Collaborating with engineering and business teams to deliver high-quality software solutions.

Posted 6/1/2026full-timeWarsaw • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies

AWSDjangoDockerFlaskJavaScriptKubernetesMySQLPostgresPythonSQL

About the role

Key responsibilities & impact

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

What you’ll need

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.
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.

Benefits

Comp & perks

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.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Python 3.xasynchronous programmingREST API developmentFastAPIFlaskDjangoAI-powered solutionsSQLPostgreSQLMySQL

Soft Skills

analytical skillsdebugging skillsproblem-solving skillscommunication skills