Lead Python Engineer (Backend)

We are seeking a Lead Python Engineer (Backend) to support Treasury technology initiatives. In this role, you will design and implement scalable backend systems, integrate diverse data sources and guide a team of engineers in building high-stakes applications. This position requires work within the ET time zone (8 am-4 pm) and collaboration with globally distributed teams.

Responsibilities

• Design and implement microservices architectures, API gateways and inter-service communication
• Develop and optimize backend systems and APIs to support Treasury technology initiatives
• Integrate data from multiple sources and formats (xlsx, pdf, csv, json) into a common data model
• Mentor and manage less senior team members from a technical perspective
• Automate tasks and manage operating system-level processes through shell scripting
• Troubleshoot complex system and application issues
• Drive test automation efforts, including robust unit testing
• Participate in code reviews and foster peer learning across the team
• Collaborate with agile teams across the globe on complex, high-stakes applications
• Contribute to system design decisions and software architecture

Requirements

• 10+ years of professional experience in Python development
• Proficiency in backend frameworks such as FastAPI, Django and Flask, including API design and optimization
• Expertise in system design and software architecture, with experience in microservices, API gateways and inter-service communication
• Skills in integrating data from multiple sources and formats (xlsx, pdf, csv, json) into a common data model
• Advanced knowledge of shell scripting (e.g., Bash) for task automation and OS-level management
• Understanding of operating systems (Linux/Unix), including process management, basic networking and application layer integration
• Familiarity with Dagster, Kubernetes and REST API
• Experience managing and mentoring engineers from a technical perspective
• Background in agile teams working on complex, high-stakes applications
• Strong problem-solving and troubleshooting capabilities
• Familiarity with Atlassian tools such as Jira and Confluence
• Collaborative mindset with comfort working across global teams
• English proficiency at B2 level or higher

Nice to have

• Familiarity with Cloud
• Knowledge of DevOps

Benefits

We gather like-minded people:

• Top tech minds driving innovation in AI, cloud and digital platform modernization
• Supportive team and agile, startup-like culture
• Hybrid by design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities

We provide growth opportunities:

• Career development programs
• Thought leadership, mentoring, soft skills and well-being programs
• Certification (Anthropic, Gemini, GCP, Azure, AWS)
• English classes

We cover it all:

• Stable pay
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
• Corporate, social and well-being events

Please, note:

• Benefits listed above are available to employees only
• We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
• We will reach out to selected candidates exclusively