(Senior) Backend Developer (f / m / x)

Pactos; München; Vor Ort; Vertraulich; Vollzeit

Zusammenfassung

A fast-growing B2B SaaS startup is seeking a Software Engineer to build scalable systems and design APIs. The role requires 3+ years of full-stack or backend development experience, along with excellent skills in TypeScript, Node.js, and PostgreSQL. The company fosters a high-ownership environment that values clean code and collaborative product decisions. Benefits include competitive compensation, equity options, and opportunities for growth, with a flexible, hybrid work setup based in Munich or Berlin.

Leistungen

Competitive salary plus equity

Ownership from day one

Fast decision-making

Opportunity for growth

Flexible work setup

Fun team activities (e.g., Oktoberfest)

Qualifikationen

• 3+ years of professional experience in full-stack / backend development.
• Excellent skills in TypeScript/Node.js and PostgreSQL.
• Experience with cloud infrastructure (e.g., Google Cloud).
• Fluent in English; German is a plus.

Aufgaben

• Develop and expand our backend architecture focusing on performance, reliability, and security.
• Create well-structured, documented APIs and robust data models.
• Build smart integrations with external HR and finance systems.
• Establish best practices and make technical decisions.
• Work hands-on with design, product, and engineering teams.

Kenntnisse

TypeScript

Node.js

PostgreSQL

Cloud infrastructure

Clean code

Testing

Security

Performance

Proactive working style

Curiosity about product decisions

Jobbeschreibung

Pactos is a fast-growing B2B SaaS startup reinventing how companies manage their external workforce. Our AI-powered platform digitizes the entire end-to-end process, enabling organizations to manage external staff and staffing providers in a compliant, transparent, and highly efficient way.

We are backed by renowened investors (HTGF, StepStone CEO, Peri Owner) and already trusted by best-in-class customers. Are you a versatile developer ready to build something extraordinary? Join us as our software engineer who wants to shape a scalable product foundation, write reliable code, and grow in a high-ownership, high-speed startup environment.

Tasks

• 🧱 Build scalable systems – Develop and expand our backend architecture with a focus on performance, reliability, and security.
• 🧩 Design APIs & data models – Create well-structured, documented APIs and robust data models for our frontend and integration teams.
• ⚙️ Automate & integrate – Build smart integrations with external HR, finance, and compliance systems, and automate key workflows.
• 🧠 Think in architecture, not just tickets – Estbalish best practices and make technical decisions that balance scalability, maintainability, and product speed.
• 🚀 Cross-Functional Collaboration – Work hands-on with design, product, and engineering teams, as well as with the founders, to shape our roadmap, tools, and engineering culture.

Requirements

• 3+ years of professional experience in full-stack / backend development, ideally in SaaS or B2B environments
• Excellent skills in TypeScript/Node.js and PostgreSQL
• Experience with cloud infrastructure (e.g., Google Cloud)
• Strong passion for clean code, testing, security, and performance
• Structured and proactive working style with high ownership
• Curious about product decisions – you care about user outcomes, not just code
• Fluent in English (German is a plus)

Benefits

• Attractive comp + ESOP: Competitive salary plus meaningful equity
• Ownership from day one: You build core features that shape the product
• Speed: We make decisions in hours, not weeks. No politics. No BS.
• Growth & responsibility: Pragmatic, product-obsessed, and committed to winning - an opportunity to grow into a lead role
• Modern stack, flexible setup: hybrid either in central Munich or Berlin, outcome-driven, and lots of fun (e.g., Oktoberfest)

No long cover letter needed – just send us your GitHub, portfolio, or a few projects you’re proud of. Let’s build something bold!