(Senior) Software Engineer - Pricing / Billing - STACKIT (m/f/d)

Schwarz Digits; Berlin; Hybrid; EUR 90,000 - 150,000; Full time

Job summary

Schwarz Digits is building the pricing and billing backbone for Europe’s digital commerce platform. We seek a senior engineer who helps design, implement and operate our billing components within a cross‑functional team.

You contribute from concept to run phase, partner with product managers, integrate with central systems (SAP, etc.), and mentor peers while advancing cloud‑native, event‑driven architectures and data‑intensive services.

Qualifications

• Experience with Go in production environments.
• Familiarity with Java, Kotlin or Rust and willingness to learn Go.
• Experience with infrastructure-as-code tools (Terraform, Pulumi, Helm).
• Familiarity with relational databases, especially PostgreSQL.
• Knowledge of data sharding and event-based systems is a plus.

Responsibilities

• As part of a small, cross-functional team, you are responsible for everything from concept, design and implementation to operation ("You build it, you run it").
• Together with the product manager, you develop the product strategy with your team, collect requirements and plan their technical implementation.
• You will communicate with other parts of the organisation to integrate our new billing component with our central system such as SAP etc.
• You design flows together with our UX Designers, think about how to support edge cases in the pricing and billing process and how to build in system support for those.
• You contribute to our testing strategy by automating tests on all layers and improving the tool chain.
• You automate and optimise all technical processes on an ongoing basis.
• As an experienced engineer, you will coach and mentor your fellow team members in building up and expanding their knowledge.

Skills

Go

Java

Kotlin

Rust

Agile development

Cloud technologies

Distributed systems

Tools

Terraform

Pulumi

Helm

PostgreSQL

Job description

Introduction text

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to support companies across Europe in their digital transformation. We bundle our core services in the areas of Cloud, Cyber Security, Data & AI, Communication, and Workspace.Join us and contribute to digital sovereignty in Europe. With us, you will work at the intersection of agility and security: You will benefit from fast decision‑making processes, enjoy genuine creative freedom in your projects, and be able to build upon the stable foundation of the Schwarz Group.

The Commerce Platform domain is responsible for all commercial aspects. Our COMPASS teams develop services that measure our customers resource consumption, prepare this data transparently and thus lay the foundation for billing. We are the central place for monetization of our cloud. To achieve this, we work closely with all product teams. We are heavily investing into our pricing and billing components to implement new price models, prepare for further scale and to automate every part of the entire pricing and billing flows. Our COMPASS Pricing & Billing team is looking for new colleagues to join them on their mission. Are you in for this challenge?

Your Tasks

• As part of a small, cross‑functional team, you are responsible for everything from concept, design and implementation to operation ("You build it, you run it").
• Together with the product manager, you develop the product strategy with your team, collect requirements and plan their technical implementation.
• You will communicate with other parts of the organisation to integrate our new billing component with our central system such as SAP etc.
• You design flows together with our UX Designers, think about how to support edge cases in the pricing and billing process and how to build in system support for those.
• You contribute to our testing strategy by automating tests on all layers and improving the tool chain.
• You automate and optimise all technical processes on an ongoing basis.
• As an experienced engineer, you will coach and mentor your fellow team members in building up and expanding their knowledge.

Your Profile

• As a senior candidate, you have ideally worked with Go for quite a while and used it in production systems.
• Alternatively, you are experienced with some other language such as Java, Kotlin or Rust and you want to learn Go.
• You are also familiar with infrastructure‑as‑code tools such as Terraform, Pulumi and Helm.
• You are familiar with different database types, especially with PostgreSQL.
• Experience with techniques to shard data stores is a plus so is any experience with event‑based systems.
• Knowledge about (Cloud‑) Metering, Pricing and Billing is very welcome but not a must.
• Agile software development is your thing, as is enthusiasm for cloud technologies.
• In your career, you have played a key role in the development of distributed and business‑critical systems and ideally also operated them.