Senior Python Developer

Altamira is a software development outsourcing company. We provide solutions that make a tangible impact on our client’s growth and productivity. With domain knowledge across product and technology development, we aim to provide cost-efficient solutions without compromising quality. We are driven to deliver the best, every single time.

Altamira service delivery teams currently span Slovakia, Ukraine, and the Middle East, and we have ambitions to expand our footprint to meet the growing demand across Europe and into our primary growth markets in the UK and the US. In terms of industry verticals, we are focused on EdTech, Fintech, eCommerce, and Pharma.

Project Overview

We are developing a high-performance Energy Pricing Platform, a modular system designed for automated and semi-automated energy price calculations. The platform is a mission-critical engine in the energy trading sector, integrating diverse external data sources via APIs to deliver high-precision results for both internal and external stakeholders. You will work in a dedicated development team, collaborating closely with a Product Owner and business units to process complex technical time series and rule-based logic.

Your Role

As an experienced Backend Developer, you will play a vital role in the evolution of our Pricing Platform. We are looking for an engineer who can independently manage end-to-end feature delivery while contributing to architectural decisions. Your goal will be to maintain high standards of code quality and proactively improve the system’s modular structure.

Responsibilities

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Feature Development: Build and optimize core functionalities of the Energy Pricing Platform, focusing on robust backend and interface logic.

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API Integration: Connect the platform with external systems via REST APIs, ensuring secure authentication and seamless data flow.

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Technical Leadership: Participate in architectural discussions, module design, and the establishment of internal development standards.

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System Monitoring: Design monitoring and observability strategies (e.g., using Datadog) to ensure the platform’s stability and performance.

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Agile Collaboration: Work within a cross-functional team, maintaining strong communication with the Tech Lead, Product Owner, and peers.

Required Skills & Experience

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Python Expertise: Deep knowledge of Python and its frameworks, such as FastAPI, Django, or Flask.

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Software Design: Strong understanding of Clean Code principles and experience building maintainable, modular backend architectures.

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API & Data: Solid experience in designing REST APIs, handling JSON, and implementing various authentication mechanisms.

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Quality Assurance: Hands-on experience with testing frameworks like pytest for unit, integration, and E2E testing.

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Infrastructure: Practical experience with Docker, CI/CD, and cloud hyperscalers like AWS, Azure, or GCP.

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IaC Tools: Knowledge of Infrastructure as Code tools (e.g., Terraform, Serverless, or AWS CDK).

Nice to Have

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Experience in the energy sector or processing technical time series.

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Familiarity with percentile-based or rule-based calculation logic.

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Experience in fast-paced, cross-functional delivery teams.

Our transparent recruitment journey usually takes up to 2 weeks and includes a few stages:

• Recruiting Interview -> 30-45 min

• Technical Interview -> 1-1,5h

• Client Interview (optional) -> up to 1h

• Pre-Offer Call -> 15min

• Reference Check

• Offer

We offer:

• Competitive salary, room for development and growth.

• Possibility to work in the Bratislava and Kyiv offices or fully remotely.

• Loyal management, interesting tasks, constant support.

• Medical insurance (optional).

• English courses.

• Technical equipment providing.

• Paid vacations 20 workdays, paid sick leave, regular salary reviews;

• Flexible schedule and ability to manage your working hours;

• Support your personal growth and skills upgrading.

• The great environment inside the team, support of initiatives, and ability to contribute to the common goal.

We do believe that the success of altamira.ai is impossible without the success of our Talents and the success of our Clients!