👨🏻‍💻 postech.work

Python Developer

Anson McCade • 🌐 In Person

In Person Posted 3 days, 12 hours ago

Job Description

Python Software Engineer (Back-End)

Location

: Berlin (hybrid)

Salary:

€90,000 - €120,000

Build the future of renewable energy trading with Python

We’re looking for an experienced

Back-End Python Software Engineer

to join a fast-growing

Trading \& Commercial Development Team

in Berlin. You’ll work on a cutting-edge renewables trading platform that operates across global power markets, helping scale clean energy while handling complex, time-sensitive trading systems.

This is a role with

real-world impact from day one

: you’ll design and build high-performance services that power auction-based electricity trading and integrate with both internal and external systems. You’ll collaborate closely with traders, analysts, data engineers, and scientists in an international, highly collaborative environment.

What you’ll be doing

Design, develop, and maintain

containerised back-end services and microservices

using Python

Build systems for

auction-based renewables trading

and real-time integrations

Collaborate daily with engineers, traders, data teams, and commercial stakeholders

Improve system reliability, performance, and scalability in a

hybrid-cloud environment

Champion

clean code, testing, and best practices

Mentor junior engineers through code reviews and technical guidance.

What we're looking for

3+ years of professional Python experience

in a production environment

Strong understanding of

object-oriented, functional, and asynchronous programming

Solid

SQL experience

and knowledge of relational databases

A test-first mindset and passion for writing clean, maintainable code

Experience working with

containerised and hybrid-cloud architectures

Confidence collaborating with non-technical stakeholders

Energy or financial domain experience

is a strong plus

Bonus (not required): experience with

C#

Tech stack

Python (FastAPI, Pandas), AWS (ECS, Aurora), Redis, Docker, SQL Server, C#, Atlassian tools (Jira, Bitbucket), and more.

What’s in it for you

Competitive compensation and discretionary bonus opportunity

28 days of holiday

plus Berlin public holidays

€3,000 annual pension contribution

Monthly subsidies for

BVG transport (€20)

and

ClassPass (€25)

Access to internal and external

training \& development

A sociable, open, and international workplace in Berlin

Why join?

You’ll be part of a team building a

world-class platform

at the intersection of technology, trading, and renewable energy—solving complex problems while contributing to a more sustainable energy future.

👉

Ready to make an impact? Apply now and help shape the next generation of energy trading

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