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About the Role

As our Engineering Lead, you will help define our tech stack and shape our engineering culture. This role involves frequent context switching across multiple domains, technologies, and business problems. Success requires comfort with ambiguity, strong prioritization skills, and a willingness to take ownership from problem definition through production deployment and ongoing support. You will work alongside experienced engineers in a small, high-impact team that takes pride in crafting quality solutions and learning together.

Responsibilities

Design, develop, and deploy across the entire technology stack: from backend services and infrastructure to frontend development; build, test, and ship solutions based on evolving business requirements without sacrificing quality
Take end-to-end ownership of architectural decisions from initial design through to implementation; collaborate with the senior team to refine solutions and ensure they meet real business objectives
Maintain detailed documentation of technical decisions, processes, and system architecture; foster transparency and continuity by sharing insights clearly and consistently across the team
Work directly with the founding engineering team on the core platform that powers Integral's accounting, payroll, and tax services for thousands of SMEs across Germany.

Requirements

8 to 10+ years of professional experience in software engineering with a strong track record of building and shipping in startup or scaleup environments
Experience across multiple companies and environments; you have seen different architecture patterns, made the mistakes, and know what actually works
Staff, Principal, or Senior Engineer background where building and owning was the main focus, not coordinating or managing
Proficiency across a broad technical background with a strong foundation in system design and architecture
Expertise in architectural decision-making: you can design systems that balance complexity with long-term maintainability
Autonomous and pragmatic: you frame problems independently, design solutions, and execute without needing extensive support from other teams
Strong written communication: you write detailed technical documentation and decision rationale as a default, not an afterthought
Focused execution: you thrive in a hands-on role and are energised by practical outcomes, not by building a team around you.
Experience building in regulated or compliance-heavy domains
Familiarity with German accounting, payroll, or tax systems is a plus but not required
Experience integrating LLMs or AI capabilities into production systems.

Skills

Java/Kotlin
JavaScript/TypeScript
React/React Native
Python

Location

Berlin

Work Type

Onsite

Experience Level

8 to 10+ years of professional experience
Staff, Principal, or Senior Engineer background

Salary/Compensations

Above-market salary

Benefits

28 vacation days per year with December 24th and 31st each counting as half days
Urban Sports Club membership, coupons via Hrmony or Deutschland Ticket
Laptop of your choice: MacBook or Windows Pro
Company pension plan (betriebliche Altersvorsorge)
Weekly team lunches
Office BBQs
Dinner budget for late office nights past 8pm

About the Company

Founded in 2024 by Lukas Zörner and Anil Can Baykal, Integral set out to redefine how accounting, taxation and payroll works for SMEs in Europe, starting with Germany.
The company is backed by General Catalyst, Cherry Ventures, Puzzle Ventures and entrepreneurs across Europe.
A team of 50+ (and growing!) ambitious, diverse people learning and building together.
The opportunity of a decade to build a category-defining AI-native services leader.