Python Developer – Banking Domain with ML/AI Expertise - Tieto Tech Consulting (m/f/d)

Role Summary

• Python Developer – Banking Domain with ML/AI Expertise
• Location: Poland (Tricity / Warsaw / Łódź - 3 days in the office)
• Seniority: Mid / Senior
• Employment Type: Full-time

We are looking for an experienced Python Developer with strong banking domain knowledge and hands-on experience in machine learning / AI solutions .

Responsibilities

• Design, build, and maintain backend services and tools using Python.
• Develop data pipelines for ML/AI models, including feature engineering & preprocessing.
• Collaborate with data scientists on deploying ML/AI models into production.
• Integrate with banking systems, payment platforms, and financial messaging
• Build secure, high-performance APIs and microservices.
• Ensure compliance with financial regulations, security, and data governance standards.
• Optimize existing services for scalability and performance.
• Write clean, testable, well‑documented code.
• Participate in architecture design, code reviews, and troubleshooting.

Required Skills & Qualifications

• Strong Python proficiency (Flask, FastAPI, Django or similar).
• Solid experience in banking or financial services (payments, transaction flows, AML/FCP use cases, or similar).
• Understanding of Swift MT/MX, SEPA, ISO20022, or financial messaging frameworks.
• Experience with ML/AI pipelines, model serving, and MLOps concepts.
• Knowledge of SQL/NoSQL databases.
• Familiarity with cloud environments (AWS/Azure/GCP).
• Experience with CI/CD, DevOps tooling, and test automation.

Requirements

Nice to Have

• Knowledge of containerization (Docker, Kubernetes).
• Experience with data governance, model risk management, or AI compliance.
• Background in event‑driven architectures or streaming platforms.
• Information about the salary range and the criteria used to determine remuneration will be shared with candidates prior to the interview process and confirmed before an offer is made.

Benefits

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

Diversity, equity and inclusion (tietoevry.com)

About the Company

What is Tech Consulting?

Tech Consulting is a digital design and software development unit where we help our customers grow by combining business design, technological know-how and modern software development.

We believe in cooperation, openness and that the best solutions arise when different people and ideas meet.

Our customers are more than 130 organizations from different industries - such as public administration, finance, pensions, energy, logistics and manufacturing industry. We develop everyday digital services that you probably use yourself - and that have a real impact on people's everyday lives and society.

Azure DevOps and you have built CI/CD pipelines.

Why join our growing team?

At Tieto Tech Consulting, you work at the interface of technology, innovation and social influence. You will be supported by Finland's largest network of IT experts and a culture that encourages cooperation, curiosity and continuous learning. Our growth does not stop.

We believe you will succeed in the task if you have work experience:

Microsoft Full Stack for software development (e.g. C#, .NET, React, JavaScript/TypeScript, Blazor)

About software development in the Azure cloud environment

Integration technologies and Web Services, such as REST

From MS SQL databases

From Azure Data Factory or Azure Databricks

Agile working methods

About container technologies (e.g. Docker, Kubernetes)