Mid Backend Software Engineer in Katowice

Mid Backend Software Engineer

Webinterpret is a tech company acting globally to help brands and retailers conquer new markets successfully via online marketplaces. Our end-to-end cross-border solution is the key to make your product reach and convert international buyers affordably via our automated localization services, multi-language SEO & SEM. Since 2007, we have helped over 40,000 companies worldwide and generated over 300 m€ of sales.

Short job description:

Location: Remote / Warsaw, Bonifraterska 17

Experience: Mid

Work framework: Scrum / Kanban

Employment Type: B2B

Location: Fully remote, remote or hybrid, based on your preference

Flexible working hours: Yes (with a start time between 8.00 AM - 10.00 AM CET/CEST)

Technology stack:

Main technologies: Python 3.10+, SQL, NoSQL

API services: Flask, Falcon, FastAPI, GraphQL (Ariadne), Pyramid, Cornice

Database:

MySQL, PostgreSQL, Redshift, Athena

Mongo, Elasticsearch

Infrastructure and Data Pipelines: AWS, Docker, Kubernetes, MQ, GitlabCI, Jenkins

Code reviews: GitLab

Issue tracking Tool: Jira

Communication Tool: Slack

Who are we looking for? As a Backend Software Engineer, you will be a key part of an agile team responsible for developing end-to-end services. We need a "proactive doer" who doesn't just build features but takes full ownership of business outcomes. You naturally use AI-based tools to accelerate delivery without compromising on quality or aesthetics.

You will bring on board:

Goal-oriented mindset: Strong focus on customer needs and hitting business objectives.

Backend Proficiency: 4+ years of experience in Python with Flask, Falcon, or FastAPI.

AI-Native Workflow: Habitual use of Cursor, Claude Code, or similar agents to boost productivity.

Proactive "Can-do" attitude: Ability to work effectively with product owners to turn vision into working software.

Technical Excellence: Knowledge of TDD, clean code, and scalable web architectures.

Cloud Awareness: Basic knowledge of AWS (EC2, S3) and DevOps (Docker).

At least basic knowledge of Amazon Web Services (EC2, RDS, S3)

At least basic DevOps skills (*nix, Apache/nginx, Docker, Kubernetes)

Experience in SOA, message queues (like RabbitMQ)

Good written and spoken English, comfortable with working in an international environment

Nice to have

Desire to transition into a Full-Stack role

Experience in React

Having contributed to Open Source (send us your GitHub id!)

Good knowledge of JavaScript build tools (eg. Webpack) and the yarn ecosystem

Knowledge of redux-saga, redux-forms, style-loader and css-loader, reselect...

Experience with ESLint for linting

Advanced DevOps skills (*nix, Apache/nginx, Docker, Kubernetes)

Advanced knowledge of Amazon Web Services (EC2, RDS, S3, ELB, EBS, EKS)

Experience developing and maintaining complex web architecturesExperience in event-driven architecture and distributed systems

Experience with NoSQL databases (Mongo, ElasticSearch)

Experience in EventStorming

Knowledge of GraphQL

Knowledge of CQRS/DDD

Expertise in cybersecurity topics

What do we do?

End-to-End Delivery: We build both robust backend APIs and modern, responsive frontends to support the flow of millions of products.

UX Optimization: We treat the interface as a critical part of the product, ensuring high quality and friction-less user journeys.

AI-First Engineering: We embrace the power of AI to make ourselves more efficient and focus on solving higher-level problems.

Scalability & Performance: We monitor and improve our services to handle global e-commerce traffic.

Impactful Design: We help with architecture-level decisions, ensuring every project delivers maximum value.

How do we work?

We have passion for evolving technology and its applications.

We believe in teamwork, empowerment and self-organisation

We follow Agile principles

We are highly autonomous - we choose our own goals and projects which contribute to a company strategy as well as tools that make our work efficient

We are closely cooperating with the business stakeholders, data engineers, data science, and other product developers

We have a mature product pipeline with predefined initial specs, designs, and architectures for all features.

What do we offer?

The opportunity to positively influence lives of millions of people by effectively connecting buyers and sellers from various countries on major e-commerce platforms

The chance to work on large-scale exciting products

Rate: 105-125 pln per hour

Being part of a dynamic, experienced, international team

Being part of a fairly flat structure without many layers, with fast decisions and ability to influence the course of action

Working with modern technologies, with focus on delivery and making an impact