Senior Backend Engineer

hace 2 semanas

Madrid, Madrid, España sennder A tiempo completo
Senior Backend Engineer - Discovery Team

sennder is digitizing Europe's logistics.

We are growing team looking for a Senior Software Engineer (Backend) to help us on our journey to revolutionize road freight logistics.

You would join our Discovery (pod) team in Berlin, Madrid, our new Tech Hub in Barcelona.


The Discovery team focuses on enabling carriers to keep their trucks busy at all times, allowing them to discover a wide range of interesting loads in the Marketplace to transport.

As part of our mission, we are dedicated to stopping wasting carriers' time by providing accurate "accept instantly" prices and relevant load recommendations by working closely with our excellent Machine Learning Team who built the underlying ML models.

We value humility and we're as interested in your character as we are in your talent. Please apply, even if you feel you only meet part of our listed criteria. Diversity drives our innovation and we offer a collaborative, dynamic and international work environment. Just be yourself.

We are excited to meet you and for you to join us in shaping the future of the logistics industry in Europe.

About the role

In this role you will

  • Serve as a lead for our team's backend engineers, have open discussions and come up with solutions for our engineering and product initiatives, while maintaining an agile and lean approach that allows us to scale.
  • Collaborate with staff engineers in evolving the architecture of our brokerage system, specially when related to the Bidding Service.
  • Work closely with product, design and operations to improve the user experience for our clients.
  • Participate in growing a solid microservice and micro frontend architecture, we are in the process of introducing service mesh, stable interfaces, and contracts for API, metrics etc.
  • Prototype and develop new major and minor features. We need strong engineering expertise and sharp original thinking to make the right choices.
  • Create documentation and testing to maintain high quality of our products.
  • Be an active member of the developers community and promote best practices in engineering and collaboration between teams.
  • Contribute to the creation of technical design documents together with the rest of the team in preparation of quarterly planning.
Preferably you have

  • Have 5+ years relevant experience, ideally in microservice development, architecture and communication.
  • Have experience leading a small team (up to 3 people).
  • Are a talkative person which doesn't shy away from exposing their views and challenges the status quo when required.
  • Have experience with Python. Knowing NodeJS is a plus.
  • Have experience with FastAPI or Django and are familiar with using typing in python.
  • Have experience with SQL databases. PostgreSQL is our DB of choice.
  • Experience with Kafka and eventdriven architecture.
  • Proven practical experience with different architectures, patterns, and programming paradigms.
  • Practical skills with AWS, Docker, and modern CI/CD (we use GitLab's CI/CD).
  • Good communication skills in English.
We expect you to

  • Be confident about the code you have written because you have been SOLID, YAGNI, DRY and make unit testing part of your profession.
  • Be mindful about your craft, "keep your saw sharp", learn ways to improve your work, processes, and remove mundane routine by scripting and automation.
  • Be passionate about doing great work, and pragmatic about getting things done.
  • Be driven by data, build small prototypes to test assumptions, and do not buy into the latest hype and shiny labels

Linus Torvalds once said:
"Talking is cheap. Show me the code."

  • Be the person people aspire to work with willing to help others and share expertise.
About sennder

sennder is moving trucks with the power of data to unlock endless and sustainable capacity at unparalleled quality.

Through our proprietary transportation operating system, built by our in-house tech teams, we not only connect shippers to our fleet of thousands of trucks, but also improve how they move products in sustainable, cost-efficient, and transparent ways - making the logistics industry fit for the future.

In a traditional industry, we're growing and moving fast to digitally automate all road logistics processes.

We are building a curious team that is driven by an ambitious desire to solve the toughest logistics puzzles. What others may consider uncertainty, we see as an opportunity to learn and be proactive.

We invite you to go on this journey with us and be part of one of Europe's inspiring growth stories as we fast-forward road logistics into digitalization.

Get to know us, our culture, green business, funding history, and more on our blog here.

What you can expect


At sennder, we want to maximize the individual's potential for all employees and reinforce an inclusive culture and environment of continuous learning that empowers people to succeed as a team.

In addition to humility, we value

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