Software Engineer - Pirate & Architect

Coresystems AG; Zürich; Vor Ort; CHF 180.000 - 240.000; Vollzeit

Zusammenfassung

Coresystems AG in Zürich seeks an experienced software architect who thrives on designing cloud-native systems and leading end-to-end delivery. You will own architecture decisions, guide AI-assisted development, ensure robust data pipelines, and ship features with speed and discipline across frontend, backend, and infrastructure.

You will collaborate with cross-functional teams to balance performance, reliability, and scalability while applying strong coding standards and architectural

Qualifikationen

• Multiple years of experience as a software engineer, ideally with ownership of architecture decisions.
• Practical, current experience with AI-assisted development (not just “tried it once”).
• Understanding of cloud native architecture, ideally on AWS.
• End-to-end reach — you are at home in the frontend, the backend and the infrastructure, and can take a feature all the way to production without handing it over at every boundary.
• The rare combination: high speed AND high structural discipline.
• Strong communication skills to explain and defend architecture decisions — including to agents that “wanted to solve it differently”.

Aufgaben

• Building and maintaining AI agentic workflows — on industry-standard frameworks, with the same architectural discipline you would apply to any other production system.
• Building and maintaining data processing pipelines — ingestion, transformation and enrichment of customer data: reliable, observable, and safe to reprocess.
• Shipping features end to end — the React screen, the Python service behind it, and the AWS infrastructure it runs on
• Making quality measurable — evaluation sets, tracing, and budgets for latency and cost, so a regression is caught by us and not by a customer.
• Integrating with our customers’ systems — real business data from real enterprise landscapes, rarely clean and never twice the same.

Kenntnisse

Software architecture

AI-assisted dev

Cloud AWS

Frontend & Backend

Systems engineering

Tools

AWS

Jobbeschreibung

We’re not looking for a software engineer who works through tickets. We’re looking for someone who can identify, board, and take over a merchant vessel in record time, and who leaves behind a ship where every knot is flawless. AI now handles much of the design, prototyping, and coding. What matters is building fast without leaving chaos behind. Concretely:

• Design thinking — you understand the actual problem before writing a single line of code
• Rapid prototyping with AI — you don’t treat modern AI tools as a novelty but as a core part of your workflow, going from idea to working prototype in hours instead of weeks
• Agentic coding with a firm hand — you let agents code for you, but you keep them on a short leash: strict architecture guidelines, clean design patterns, no sprawl
• Speed with foresight — you build fast, but you’re already thinking two releases ahead. Every important design decision is documented and traceable, even when you built at sprint speed

As an Architect

Once the vessel is taken, you take command. Now structure matters more than speed.

• Software & feature blueprinting — the plan exists before the building starts
• Systems engineering — you think in systems, not isolated components
• Software engineering design patterns — core toolkit, not bonus knowledge
• Architecture design — you make and own the big decisions, and you know when a microservice earns its keep and when it's just overhead
• Cloud-native product architecture — you design products for the cloud, not applications that happen to run there
• Code reviews — held to a high standard, but constructive
• Extreme attention to structure — loose ends are not a minor offense to you
• Broad foundation across databases, data structures, storage, cloud functions, and infrastructure as code — you choose deliberately, not out of habit

As a Pirate

We’re not looking for a software engineer who works through tickets. We’re looking for someone who can identify, board, and take over a merchant vessel in record time, and who leaves behind a ship where every knot is flawless. AI now handles much of the design, prototyping, and coding. What matters is building fast without leaving chaos behind. Concretely:

• Design thinking — you understand the actual problem before writing a single line of code
• Rapid prototyping with AI — you don’t treat modern AI tools as a novelty but as a core part of your workflow, going from idea to working prototype in hours instead of weeks
• Agentic coding with a firm hand — you let agents code for you, but you keep them on a short leash: strict architecture guidelines, clean design patterns, no sprawl
• Speed with foresight — you build fast, but you’re already thinking two releases ahead. Every important design decision is documented and traceable, even when you built at sprint speed

As an Architect

Once the vessel is taken, you take command. Now structure matters more than speed.

• Software & feature blueprinting — the plan exists before the building starts
• Systems engineering — you think in systems, not isolated components
• Software engineering design patterns — core toolkit, not bonus knowledge
• Architecture design — you make and own the big decisions, and you know when a microservice earns its keep and when it's just overhead
• Cloud-native product architecture — you design products for the cloud, not applications that happen to run there
• Code reviews — held to a high standard, but constructive
• Extreme attention to structure — loose ends are not a minor offense to you
• Broad foundation across databases, data structures, storage, cloud functions, and infrastructure as code — you choose deliberately, not out of habit

Tasks

The work itself, concretely:

• Building and maintaining AI agentic workflows — on industry-standard frameworks, with the same architectural discipline you would apply to any other production system
• Building and maintaining data processing pipelines — ingestion, transformation and enrichment of customer data: reliable, observable, and safe to reprocess
• Shipping features end to end — the React screen, the Python service behind it, and the AWS infrastructure it runs on
• Making quality measurable — evaluation sets, tracing, and budgets for latency and cost, so a regression is caught by us and not by a customer
• Integrating with our customers’ systems — real business data from real enterprise landscapes, rarely clean and never twice the same

Requirements

• Multiple years of experience as a software engineer, ideally with ownership of architecture decisions
• Practical, current experience with AI-assisted development (not just “tried it once”)
• Understanding of cloud native architecture, ideally on AWS
• End-to-end reach — ideally you are at home in the frontend, the backend and the infrastructure, and can take a feature all the way to production without handing it over at every boundary
• The rare combination: high speed AND high structural discipline
• Strong communication skills to explain and defend architecture decisions — including to agents that “wanted to solve it differently”

Benefits

Shape and own the technical architecture as the company scales

Work within a modern, AI-driven engineering setup

High level of autonomy and real impact from day one

Dynamic, entrepreneurial environment with room to grow

No cover letter needed. Just show us you can board and clean up.