Lead Python Developer

We are looking for a Lead Python Developer to be a part of the DEVTALENTS team and contribute to the development of truly amazing solutions for businesses all over the world.

Joining DEVTALENTS can be a life-changing decision for you, with endless benefits along the way. We provide top projects for which recruitment is not possible externally because of our wide range of partners. We value open and transparent communication, leveraging tools like Slack and generative AI to enhance collaboration and efficiency. We support continuous growth, encouraging you to step beyond your comfort zone and develop technically and personally. We are looking for an experienced Lead Python Developer to join our team and provide technical leadership and mentorship.

Your responsibilities

• Develop and maintain Python-based microservices that power our LLM-driven tools—such as the Rejection Bot, Appeal Bot, and Timeline Bot—as well as new internal AI platforms.
• Connect seamlessly with internal APIs and services (e.g., PTX, Decision Store, OSIS) and external tools (e.g., Slack, Kiki, FullStory).
• Use observability tools like Datadog and Langsmith to monitor performance metrics (latency, error rates, user satisfaction) and continuously refine system efficiency.
• Work with Product, Data Science, Legal, and Customer Service to ensure systems are scalable, compliant, and user-focused.
• Lead by example with code reviews, CI/CD pipelines, Dockerized workflows, testing strategies, and microservice architecture—all in a learning-focused, fast-paced environment.

Our requirements

• Expert-level proficiency in Python (10+ years of commercial experience) for backend development, scripting, and automation.
• Mastery of Python features, data structures, and frameworks like Django, Flask, or FastAPI, as well as robust testing practices (pytest). Experience with Pandas, NumPy, or machine learning tools is a bonus.
• Strong AWS/cloud experience (e.g., Lambda, ECS) and microservice system design.
• Interest in LLMs, NLP, or prompt engineering is a major plus.
• Hands-on with Docker, CI/CD pipelines, and Git workflows.
• Comfortable working with both technical and non-technical stakeholders.
• Familiarity with internal bank systems such as CVAR, Redshift, Decision Store, OSIS, and PTX is highly beneficial.
• Higher education with a profile in Computer Science or related
• English level min. B2.

Approach and Mindset

• A results-driven, proactive attitude, with a passion for tackling complex challenges.
• A collaborative mindset, thriving in cross-functional and agile environments.
• Excellent communication skills, capable of conveying technical concepts to varied audiences.
• A supportive mentor who shares knowledge, encourages best practices, and fosters a culture of continuous improvement.