Rossum

Senior Backend Engineer (Integrations Team)

Prague, Czech Republic
GCP FastAPI API PostgreSQL MongoDB Kubernetes Flask AWS Azure Kafka Redis JavaScript Django Terraform Python
Description

At Rossum, we’re driven by a mission: to leverage cutting-edge AI technology and an intuitive UI to eliminate needless paperwork, ultimately contributing to a better world. By revolutionizing document processing through innovative AI and technology, we stand at the forefront of transformative change. Already, hundreds of companies rely on our product to automate data extraction and streamline communication processes.

If you are a senior software engineer looking to grow in a company with a strong sense of purpose and committed to tackling real-world challenges, then this is the ideal opportunity for you.

About the team

At Rossum, we are building a product-oriented engineering team that collaborates closely with dedicated Tech Lead and Product Manager to ensure that our work delivers maximum value to users.

We follow an agile Kanban workflow, focusing on iterative development, continuous improvement, and technical excellence. Our engineers take end-to-end ownership of their work, with the freedom to experiment, innovate, and contribute to shaping the product.

Our Tech Stack:

Rossum is a highly tech-savvy product, and experience or familiarity with the following stack is a great advantage, but we don’t expect deep expertise in every technology—we believe in learning on the job:

  • Most of our services are written in Flask or FastAPI. We’re also utilizing AWS Lambdas, and internal framework where it makes sense

  • For communication between components we are using RabbitMQ and REST APIs

  • We’re mostly stateless, or we manage state in our platform. Where we need a database, we prefer PostgreSQL. For advanced functionality, we also operate a MongoDB cluster, and we like Redis too.

  • Everything we run is deployed in Kubernetes clusters to ensure reliability and scalability. Our infrastructure is AWS-based but cloud-agnostic, giving us flexibility in how we deploy and manage our services.

  • We follow a GitOps approach using flux for continuous deployment and Terraform for infrastructure as code, ensuring consistency and efficiency across our environments. Currently, we operate in three AWS regions while maintaining the ability to adapt to different cloud providers as needed.

  • We operate quite a few lambda functions, our customers are able to customize the behavior of the product with just a few lines of code (Javascript or Python).

  • Prometheus and Grafana are used for monitoring, ELK stack for logs.

  • We use GitLab to host our repositories and run CI/CD pipelines.

About you 

We are looking for senior backend engineers who are passionate about building great products and enjoy solving technical challenges in a collaborative environment.

Successful candidates typically possesses: 

  • Solid experience in backend development, with an understanding of how to design and build scalable APIs and services.

  • Hands-on experience working with Python frameworks (Flask, FastAPI, Django) and relational databases.

  • Some exposure to NoSQL databases, event-driven systems, or distributed architectures is a plus.

  • Familiarity with cloud platforms (AWS, GCP, or Azure).

  • Some experience with Kubernetes—you don’t need to be an expert, but an interest in learning container orchestration is useful.

  • Experience with CI/CD pipelines and DevOps best practices.

  • A product-oriented mindset—you enjoy understanding how your work impacts users and business goals.

  • Ability to work independently while being a team player who enjoys collaborating with engineers, product managers, and stakeholders.

Nice to Have:

  • Experience with event-driven architectures (RabbitMQ, Kafka).

  • Knowledge of GitOps workflows and infrastructure-as-code tools (Terraform).

  • Familiarity with monitoring and observability tools such as Prometheus and Grafana.

Personality traits we’re looking for: 

  • Be passionate about your work. Focus on technical excellence and quality of the delivered solutions.

  • Happiness to help and mentor less experienced people learn.

  • Strong opinions, weakly held - You base your opinions on data, but don’t cling to it in the face of good arguments.

What we offer:

We’re building an all-star team at Rossum, where every role contributes to something bigger. This isn’t just about filling a position—it’s about finding people who thrive in a dynamic, fast-moving environment and want to make a real impact.

  • Creative Work – Engage in innovative projects where your ideas and solutions truly matter. We encourage creativity, out-of-the-box thinking, and pushing boundaries.

  • Diverse Responsibilities – Forget monotonous tasks! You’ll work across various aspects of our infrastructure, constantly learning and tackling new challenges.

  • Small but Active Team – Be part of a tight-knit, highly collaborative team where everyone’s contributions are significant. Your voice matters, and your work directly influences our success.

  • Technical Challenges – Solve complex infrastructure problems at scale. We work with cutting-edge technologies, ensuring you stay ahead of the curve and continue growing your expertise.

  • Impact-Driven Environment – Work in a product-focused company where your contributions shape the future of intelligent document processing.

What Else?

Stock options – Be part of our journey and share in our success.

5 weeks of vacation + 5 sick days – Because rest is as important as work.

Extra 2 weeks of paternity leave – Family matters.

Flexible working hours & hybrid work – Balance your professional and personal life.

High-end laptop & necessary tech – The right tools to do your best work.

Language lessons (English & Czech) – Grow your skills beyond tech.

Multisport card – Access 2,700+ sports facilities across Czechia.

If you’re looking for a place where your work has a real impact and you’ll never stop learning, Rossum might just be the perfect fit.

Rossum
Rossum
Artificial Intelligence (AI) Document Management Machine Learning SaaS Software

1 applies

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