ELEKS Software Engineering and Development Office is looking for a Senior Python Developer in Poland or Ukraine.

About Project

We are building and evolving a high-scale B2B SaaS platform that delivers critical insights and functionality to enterprise customers. The project focuses on developing reliable, high-performance backend systems that power core platform capabilities and support data-driven decision-making.

This is a predominantly backend-oriented role with end-to-end ownership of features, covering system design, service architecture, data flows, and AI-powered capabilities. You will work closely with Product and Engineering teams to build resilient, scalable solutions while contributing to key architectural decisions that shape the future of the platform.

REQUIREMENTS

7+ years of experience in Python development
Hands-on experience with React, TypeScript, and REST APIs
Strong AWS expertise
Experience working with relational and non-relational databases, as well as message bus systems (RabbitMQ, Kafka, SQS)
Strong coding, debugging, and problem-solving skills
Excellent communication and collaboration skills
Upper-Intermediate (B2) level of English or higher

NICE TO HAVE

Experience developing AI-powered solutions or working with AI technologies
Experience leveraging AI tools to enhance software development
Background in customer-facing product development

RESPONSIBILITIES

Design, architect, and implement new features using Python and TypeScript
Drive key architectural decisions and contribute to the development of scalable, high-performance, and accessible solutions
Apply software engineering best practices, including unit, integration, and performance testing, monitoring, and comprehensive documentation, to ensure system reliability and fault tolerance
Continuously evaluate and improve existing applications through code refactoring, performance optimization, and technology modernization
Collaborate closely with cross-functional teams across Engineering, Product, Design, and Go-to-Market functions to deliver impactful product capabilities
Utilize modern AI-powered development tools to increase delivery efficiency and enhance code quality
Participate actively in code reviews, technical discussions, and agile ceremonies while promoting engineering excellence and knowledge sharing
Take ownership of core platform components and contribute to the evolution and long-term success of the product and engineering organization

WHAT YOU WILL GET WITH ELEKS

Close cooperation with a customer
Challenging tasks
Competence development
Team of professionals
Dynamic environment with low level of bureaucracy

ABOUT ELEKS

ELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.

Our 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D, design, technology consulting and dedicated teams.