Senior Backend Engineer (m/f/d)

Deltia GmbH; Berlin; Vor Ort; EUR 60.000 - 80.000; Vollzeit

Benefits dieser Stelle

Competitive salary

Stock options

New office on AI Campus

Flexible working hours

Supportive and inclusive culture

Zusammenfassung

A tech startup specializing in AI is seeking a backend engineer to develop and maintain critical backend features. The ideal candidate will have 3-5 years of experience, particularly with Python, SQL, and cloud environments. You will work cross-functionally with teams to enhance our system's performance and integrate new features. The position offers a collaborative culture and opportunities to work on cutting-edge projects in a diverse team. Competitive salary and flexible work arrangements are included.

Qualifikationen

• 3-5 years’ experience building production-grade backends.
• Solid in SQL and data modeling.
• Experienced with REST APIs and cloud environments.

Aufgaben

• Develop and maintain backend features and APIs.
• Improve database performance and reliability.
• Collaborate with AI, frontend, and product teams.

Kenntnisse

Python

SQL

REST APIs

Cloud environments (AWS)

Tools

PostgreSQL

Kubernetes

Terraform

Ansible

Jobbeschreibung

Location

Berlin Hybrid

Employment Type

Full time

Location Type

Hybrid

Department

Engineering

We’re looking for a backend engineer who thrives in fast-moving environments and enjoys building robust systems end-to-end. You’ll work across data pipelines, APIs and infrastructure, ensuring our platform runs efficiently and scales cleanly as we grow.

Your role

• Develop and maintain backend features and APIs for our core platform
• Improve database performance, reliability and real-time data processing
• Debug, profile and optimise code to keep latency low and systems stable
• Collaborate with AI, frontend and product teams to integrate new capabilities
• Contribute to architectural decisions and shape the evolution of our backend stack

You are

• 3–5 years’ experience building production-grade backends (Python preferred; Go, C++, or Java also valuable)
• Solid in SQL and data modelling (PostgreSQL or similar)
• Experienced with REST APIs and cloud environments (AWS preferred)
• Comfortable working independently and taking ownership of a problem
• Startup mindset — quick to ship, focused on quality, allergic to bureaucracy

Nice to have

• Linux debugging and performance tuning
• Familiarity with orchestration (Kubernetes, Terraform, Ansible)
• Experience with data pipelines or analytical databases
• Interest in edge/cloud hybrid architectures

Why this role matters You’ll help shape how data moves through our system — building fast, reliable infrastructure that powers every customer interaction.

What we offer

A competitive salary & stock options

The option to work in a brand new office situated on the AI Campus in Berlin where we closely cooperate with other exciting AI ventures

Be on the forefront in defining what artificial intelligence means in manufacturing

Gain hands‑on experience in working in an AI-first software company

Supportive and inclusive culture that values diversity and promotes the advancement of underrepresented groups within the company

Collaborate with a diverse (currently more than 10 nationalities) and talented team, working on cutting‑edge projects with real‑world impact

Network with professionals and leaders in the field, opening doors to potential future career opportunities

We have a very flat hierarchy, open 360° feedback, and flexible working hours

Ethics⚖: We are committed to developing ethical AI software
Don’t meet all the requirements?

Deltia is committed to creating a workplace that is diverse, fair, and inclusive. We encourage candidates from all backgrounds, even if they do not meet every qualification, to submit their application. We firmly believe that having a team with diverse perspectives only strengthens our company and drives innovation. Our commitment also extends to providing an accessible environment for everyone, including those with disabilities. Please let us know if you require any accommodations during the application process or while working with us, and we will do our best to support you.