full stack engineer

Eterno

<div>️ Your mission 
TypeScript | React | Vite | Node.js | AWS Serverless | Lambda | API Gateway | DynamoDB | Cognito | IaC
We build ETERNO Cloud, the operating system for modern medical practices. It brings patient access, communication, documentation, billing, analytics, and daily practice operations into one cloud SaaS platform. The product is serverless, regulated, GDPR-compliant, and ISO-certified, so engineering quality is part of the product.
You own product work across the full stack: from React interfaces to Node.js services, AWS infrastructure, and the production behavior of what you ship.
&zwj;️ What you shape and build<ul><li>
Product features across React, Node.js, and AWS serverless services</li><li>
Workflows for doctors, therapists, practice teams, and patients</li><li>
Product requirements turned into clear technical plans across frontend, backend, and infrastructure</li><li>
Product and technical foundations that keep the system understandable as it grows</li><li>
Production-ready code that you own from the first technical decision to running it safely in production</li><li>
Technical quality through review, pairing, mentoring, and pragmatic engineering decisions</li><li>
AI-enabled development workflows that improve speed and quality while keeping engineering judgment, ownership, and review standards high&zwj; Who you are</li></ul>
️ What you care about<ul><li>
Product work that makes everyday healthcare work easier</li><li>
Clear ownership from implementation to production</li><li>
Security, privacy, reliability, and maintainability as everyday engineering concerns</li><li>
Reducing complexity instead of moving it somewhere else</li><li>
Direct collaboration with product, design, and engineering</li></ul>
&zwj;️ What to expect at ETERNO<ul><li>
Make a real impact &ndash; Help us transform healthcare with bold, hands-on solutions for real challenges. Your contribution counts from day one &ndash; with responsibility, speed, and room for your own ideas.</li><li>
Your Workspace &ndash; Your workspace &ndash; Take advantage of our hybrid model: You&rsquo;ll spend 3 days a week at our office in Berlin to collaborate with your team, and the rest of the time you&rsquo;ll work flexibly from home.
</li><li>Level up &amp; grow &ndash; Join an ambitious team that challenges and supports you. Whether leadership or deep dive: develop both professionally and personally through regular feedback, open exchange, and language courses in German &amp; English.</li><li>
Feel good, stay healthy &ndash; Access the ETERNO Spaces for quick doctor visits &amp; health check-ups. For more movement in your day: lease a JobRad &ndash; tax-advantaged and eco-friendly.</li><li>
We&rsquo;ve got you covered &ndash; Competitive salary, company pension with a 20% top-up, and a monthly budget for benefits like Urban Sports Club, vouchers, or public transport &ndash; plus attractive corporate benefits &amp; our Refer-a-Friend bonus.</li><li>
Stay connected &ndash; Meet driven, inspiring people. Whether Monthly All-Hands, team offsites, or spontaneous office vibes &ndash; we celebrate success together and push each other as a team.</li></ul>
What we want to highlight 
At ETERNO, we promote equal opportunities and diversity. We are committed to creating a diverse and inclusive environment for every one of us. We reject any form of discrimination based on ethnicity, skin color, physical or mental disability, religion, marital status, age, national origin, ancestry, health status, pregnancy, gender, sexual orientation, gender identity, or any other personal characteristics.
If you require any accommodations during the application process, please contact us in advance at careers@eterno.health. We are happy to support you.
#LI-Hybrid</div>

Senior Full-Stack Engineer (Berlin/hybrid)

ENWAY a Bucher Company

<div>
 
 Autonomous street cleaning is no longer a concept - it's on the road. At ENWAY, a Bucher Municipal company based in Berlin, we turn conventional street sweepers into self-driving machines through advanced robotics and software engineering. We've just launched our first product: the Bucher CityCat VR17ae, a fully autonomous compact sweeper.
 
 
 
 As our Full Stack Web Engineer, you'll build the web applications and tools that bring our vehicles to life for the people who operate them - fleet dashboards, customer and operator portals, and the internal tools our engineering and operations teams rely on every day. You'll own features end to end, from UI to API to data.
 
 
 
 This is a role for a versatile engineer who's comfortable across the stack, cares about building things people actually use, and enjoys turning complex data - live vehicle telemetry, fleet status, mission data - into clear, reliable interfaces. You'll work closely with our product, design, robotics, and operations teams.
 
 
 
 Backed by Bucher Municipal, a world-leading manufacturer of municipal cleaning vehicles (sweepers, sewer cleaning, winter maintenance, refuse collection, and digital services), you get startup pace with industrial-scale impact.
 
 
 Tasks
 
 <ul>
 
 <li>
 Build and maintain web applications across the full stack - frontend, backend, and APIs - for fleet monitoring, operations, and customer-facing products.
 </li>
 
 <li>
 Turn live vehicle and fleet data into clear, responsive dashboards and visualisations (status, telemetry, maps, reports).
 </li>
 
 <li>
 Design and build robust APIs and data models, and integrate with our vehicle, telematics, and backend systems.
 </li>
 
 <li>
 Build internal tools that make our engineering, service, and operations teams faster.
 </li>
 
 <li>
 Own features end to end: design, implement, test, deploy, and iterate based on real user feedback.
 </li>
 
 <li>
 Collaborate closely with product, design, robotics/software, and operations to ship the right things.
 </li>
 
 <li>
 Help shape our frontend/backend architecture, standards, and best practices as our digital products grow.
 </li>
 
 </ul>
 
 Requirements
 
 
 
 Must have:
 
 
 
 <ul>
 
 <li>
 Experience building and shipping production web applications end to end (frontend and backend).
 </li>
 
 <li>
 Proficiency with a modern frontend framework (e.g. React, Vue, or Angular) and TypeScript/JavaScript.
 </li>
 
 <li>
 Solid backend experience (e.g. Node.js) building and maintaining REST and/or GraphQL APIs.
 </li>
 
 <li>
 Good command of relational databases (e.g. PostgreSQL) and sound data modelling.
 </li>
 
 <li>
 Comfortable with Git, automated testing, and CI/CD.
 </li>
 
 <li>
 Solid grasp of web fundamentals, API design, and security basics.
 </li>
 
 <li>
 Ownership mindset - you take features from idea to production and care about quality.
 </li>
 
 <li>
 Able to work independently and collaboratively in a cross-functional team.
 </li>
 
 <li>
 3+ years of professional full-time experience.
 </li>
 
 <li>
 Fluent English.
 </li>
 
 </ul>
 
 
 
 Nice to have:
 
 
 
 <ul>
 
 <li>
 German language skills.
 </li>
 
 <li>
 Real-time data (WebSockets, streaming) and event-driven systems.
 </li>
 
 <li>
 Maps and geospatial data (e.g. Mapbox, Leaflet, PostGIS).
 </li>
 
 <li>
 Cloud (AWS/GCP/Azure) and containers (Docker).
 </li>
 
 <li>
 Data-visualisation / dashboard experience.
 </li>
 
 <li>
 A good eye for UI/UX and working closely with designers.
 </li>
 
 <li>
 Interest in robotics, IoT, telematics, or hardware-connected products.
 </li>
 
 </ul>
 
 Benefits
 
 <ul>
 
 <li>
 Build digital products that put autonomous and connected vehicles into real-world operation.
 </li>
 
 <li>
 High ownership and direct impact - your work is used every day by operators, customers, and colleagues.
 </li>
 
 <li>
 30 days of vacation per year.
 </li>
 
 <li>
 Flexible working times &amp; Hybrid working (achievement of goals matters, not "face time").
 </li>
 
 <li>
 Flat hierarchies and the freedom to develop and implement your own ideas.
 </li>
 
 <li>
 High-performance company laptop.
 </li>
 
 <li>
 Lunch &amp; fitness-studio subsidies.
 </li>
 
 <li>
 Cool and vibrant working environment at the center of groundbreaking innovation.
 </li>
 
 <li>
 Exciting team events.
 </li>
 </ul>
</div>

Full Stack Web Engineer (f/m/d)

CLERA

<div><h3 class="jobSectionHeader">About the Role</h3>
Join a lean, high-impact engineering team at a Series A PropTech startup building agentic AI systems that observe, decide, and act on real-world property operations &mdash; with humans in the loop. This is a full-stack, end-to-end ownership role: you'll modernize legacy systems, design autonomous workflows, and turn messy operational processes into clean, production-ready software. If you thrive in small teams, think like a founder, and want your work to matter immediately, this role is for you.<h3 class="jobSectionHeader">
What You'll Do</h3><ul><li>
Own features end-to-end, learning the business deeply enough to drive solutions independently.</li><li>
Design and build agentic AI workflows for guest communication (chat and voice), operational decisions, and property management tasks.</li><li>
Modernize legacy systems and redesign data structures to meet evolving product requirements.</li><li>
Shadow real operational workflows to uncover inefficiencies, workarounds, and hidden steps &mdash; then turn them into reliable software.</li><li>
Scope, ship, and iterate on problems rather than just working through a ticket queue.</li><li>
Collaborate closely with internal teams to align product and engineering direction.</li><li>
Operate with high agency and ownership, delivering results rapidly and safely.</li></ul><h3 class="jobSectionHeader">
What We're Looking For</h3>
Required:<ul><li>
Demonstrable engineering experience you can showcase during the hiring process.</li><li>
Strong proficiency in TypeScript and React for full-stack development.</li><li>
Fluent spoken and written English with excellent communication skills &mdash; including asking the right questions to unblock work.</li><li>
Proven track record of shipping quickly while exercising sound judgment about acceptable trade-offs.</li><li>
Ability to self-manage: plan work, communicate progress, and flag blockers proactively.</li><li>
Comfort working in an agentic engineering style (e.g., running multiple AI coding agents and terminals in parallel).</li><li>
Familiarity with Express, PostgreSQL, MongoDB, and AWS; experience with Linear and Notion for tracking and documentation.</li><li>
Strong product taste &mdash; attention to user experience down to messaging and interaction wording.</li><li>
Willingness to relocate to Berlin, Germany and work from the office regularly.</li><li>
Eligibility to work in Germany without visa sponsorship (sponsorship is not available).</li></ul>
Nice to Have:<ul><li>
Experience with agentic AI or AI agent systems.</li><li>
Prior startup experience or a founder mentality.</li><li>
Background in hospitality or PropTech domains.</li><li>
Strong product sense and product-minded approach to engineering.</li></ul><h3 class="jobSectionHeader">
Compensation &amp; Benefits</h3><ul><li>
Salary: $90,000 &ndash; $110,000 USD annually</li><li>
Small, accountable team focused on outcomes over meetings</li><li>
High-impact work in a fast-growing AI-native platform</li><li>
On-site role in Berlin with a collaborative, startup environment</li></ul><h3 class="jobSectionHeader">
Location</h3>
This is an on-site role based in Berlin, Germany. Candidates must be willing to relocate to Berlin and work from the office regularly. Visa sponsorship is not available &mdash; candidates must already be eligible to work in Germany.</div>

Product Engineer (Full-Stack / Agentic AI)

<div><h3 class="jobSectionHeader">About the Role</h3>
We're an early-stage, AI-native startup building a procurement intelligence platform that connects category managers to real-time supplier data and enterprise systems. We're hiring a Founding Engineer to join our small product team on-site in Berlin.
This is a high-ownership role: you'll shape core product areas end-to-end, influence architecture and engineering culture, and ship iteratively with direct customer feedback. As one of the first engineers, you'll work closely with the founding team on major technical and product decisions &mdash; and help define what great engineering looks like as the team grows.<h3 class="jobSectionHeader">
What You'll Do</h3><ul><li>
Own core product areas end-to-end, from AI agent orchestration to the UI that category managers use daily.</li><li>
Design reliable LLM workflows with evaluation loops, guardrails, and observability that work robustly in production.</li><li>
Build real-time supplier data pipelines, normalization layers, and integrations with enterprise ERP systems.</li><li>
Ship to production regularly and collaborate directly with customers to iterate on real feedback.</li><li>
Make full-stack architectural decisions focused on performance, security, and developer experience.</li><li>
Define engineering culture, tooling, and processes as the team scales.</li><li>
Contribute to the product roadmap alongside the founding team.</li><li>
Mentor teammates and grow toward an engineering leadership path.</li></ul><h3 class="jobSectionHeader">
What We're Looking For</h3>
Required:<ul><li>
Strong full-stack foundation with equal comfort across interfaces, back-ends, and the seam between them.</li><li>
Proficiency in TypeScript (front-end and back-end) and Python; experience with Next.js and modern API patterns.</li><li>
Hands-on experience designing and operating AI/LLM infrastructure &mdash; retrieval, embeddings, latency/cost/quality trade-offs, monitoring, and safety guardrails.</li><li>
Proven ability to build and ship SaaS products end-to-end in a startup environment.</li><li>
Experience building data pipelines, normalization, and integrations with enterprise systems.</li><li>
Domain knowledge in ERP, procurement, or related enterprise software.</li><li>
Builder mindset: you default to shipping, learning from users, and iterating fast.</li><li>
Comfortable with ambiguity &mdash; able to define what to build as well as how to build it.</li><li>
Strong written and verbal communication skills; ability to work directly with customers and cross-functional teammates.</li></ul>
Nice to Have:<ul><li>
Prior experience in a founding or first-engineer role.</li><li>
Background in procurement, supply chain, or ERP/procurement software specifically.</li></ul>
Important: Candidates must be eligible to work in Germany without employer visa sponsorship. No visa sponsorship is available for this role.<h3 class="jobSectionHeader">
Location</h3>
This is an on-site role in Berlin, Germany. You'll be working alongside the founding team in person day-to-day.<h3 class="jobSectionHeader">
Compensation &amp; Benefits</h3>
Compensation details will be discussed during the interview process. As a founding team member, you can expect a competitive package including meaningful early-stage equity.</div>

Founding Engineer

<div><h3 class="jobSectionHeader">About the Role</h3>
This is a rare opportunity to join a fast-growing, Y Combinator-backed AI SaaS startup in the motion design space as its first engineering hire. The company is building an AI-powered platform that dramatically accelerates animation creation &mdash; reducing what once took hours into minutes &mdash; and has already seen remarkable early traction since launching earlier this year.
As a Founding Software Engineer, you'll work shoulder-to-shoulder with the founders to shape the technical foundation of the product, own features end-to-end, and help architect a system built to scale to millions of users.<h3 class="jobSectionHeader">
What You'll Do</h3><ul><li>
Partner directly with the founding team to deliver user-centric product solutions from concept to production.</li><li>
Own end-to-end development of full-stack features with a focus on scalable architecture design.</li><li>
Build and optimize agentic LLM systems incorporating tool-calling, multi-step reasoning, and MCP protocols.</li><li>
Design comprehensive LLM evaluation frameworks including automated benchmarks, human-in-the-loop validation, and A/B testing.</li><li>
Optimize LLM inference performance, cost efficiency, and latency across multiple model architectures.</li><li>
Develop a high-performance motion graphics engine.</li><li>
Drive architectural decisions that support scalable growth to millions of users.</li></ul><h3 class="jobSectionHeader">
What We're Looking For</h3>
Required<ul><li>
2+ years of software engineering experience with strong CS fundamentals.</li><li>
Proficiency in TypeScript (dealbreaker requirement).</li><li>
Hands-on experience building or integrating large language models (LLMs), including tool-calling, multi-step reasoning, and MCP protocols.</li><li>
Experience designing and implementing LLM evaluation frameworks (automated benchmarks, human-in-the-loop validation, A/B testing).</li><li>
Demonstrated ability to deliver end-to-end full-stack features with scalable architecture.</li><li>
Proficiency optimizing LLM inference performance, cost efficiency, and latency across multiple model architectures.</li><li>
Experience with the full tech stack: TypeScript, React.js, Next.js, PostgreSQL, GCP, AWS.</li><li>
Prior startup or early-stage company experience with a strong ownership mindset.</li><li>
Willingness to work on-site in Berlin, Germany.</li></ul>
Nice to Have<ul><li>
Background in animation, motion graphics, or creative tooling.</li><li>
High slope / fast-learning profile with a track record of rapid growth.</li></ul><h3 class="jobSectionHeader">
Compensation &amp; Benefits</h3><ul><li>
Salary: &euro;80,000 &ndash; &euro;160,000 per year, depending on experience.</li><li>
Early-stage equity opportunity as the founding engineering hire.</li><li>
Visa sponsorship: Not available &mdash; candidates must already have the right to work in Germany.</li></ul><h3 class="jobSectionHeader">
Location</h3><ul><li>
Berlin, Germany &mdash; fully on-site role.</li><li>
Remote work is not available for this position.</li></ul></div>

Founding Software Engineer

Axel Springer SE

<div>Company Description 
Join a team that builds and evolves the technical foundation for our premium subscription business across multiple brands. Together, we create scalable solutions for acquisition, checkout, payments, entitlements, and partner integrations, combining engineering excellence with business impact. As a Senior/Staff Engineer, you will help shape architecture, drive technical improvements, and contribute to systems that enable sustainable growth and exceptional user experiences. 
 
We believe in the future of journalism as a business model and invest in forward-looking technologies. Our five essentials are the values that unite us and our compass in our commitment to freedom. 
Job Description 
<ul><li>
own and evolve the technical foundation of our Authentication &amp; Profile domain across account creation, login, registration, single sign-on, profile data, and secure access to user information</li><li>
design, build, and operate scalable full-stack services that enable millions of users to access our brand products and premium content reliably across all channels</li><li>
shape the future of our identity platform by improving security, user experience, performance, and maintainability across authentication and profile-related services</li><li>
challenge existing systems and drive well-founded improvements that reduce complexity, increase reliability, strengthen data security, or unlock better product and business outcomes</li><li>
work closely with product, engineering, security, data, and business stakeholders to turn authentication, profile, and user data requirements into pragmatic technical solutions</li><li>
design and improve APIs, service architectures, frontend integrations, and data access patterns used by internal services across our multi-brand ecosystem</li><li>
build and operate cloud-native infrastructure on AWS with serverless architectures, CI/CD, observability, infrastructure automation, strong production ownership, and hands-on mentoring</li></ul> 

Qualifications 
<ul><li>
10+ years of software engineering experience with strong expertise in full-stack development, distributed systems, and cloud-native architectures</li><li>
strong hands-on production experience with Java as a primary language, ideally combined with TypeScript and modern web technologies</li><li>
deep experience building and operating scalable applications on AWS, particularly with AWS Lambda, serverless architectures, CI/CD, observability, and infrastructure automation</li><li>
solid understanding of modern software architecture, APIs, distributed systems, security, resilience, and high-availability web applications</li><li>
experience with authentication, identity, single sign-on, user profiles, secure data access, privacy, or security-sensitive product domains</li><li>
strong ability to work across the stack, including backend services, frontend integrations, and the user-facing flows that connect them</li><li>
pragmatic, analytical mindset with strong English and German communication skills, confident AI tool usage, and curiosity for technologies such as Go or Rust where they add value</li></ul> 

Additional Information 
<ul><li>
your personal growth is important to us: we offer trainings and learning lunches, tech conferences, a budget for workshops and much more to expand your knowledge and your skills</li><li>
Employee offers that suit you and your life situation: Whether it's a discounted public transport ticket or JobRad leasing, a bicycle garage (incl. regular bicycle service), childcare facilities or two modern in-house kindergartens</li><li>
30 days vacation plus 10 days work from abroad</li><li>
our free food offer: in addition to a breakfast snack, we also offer a free lunch in our canteens</li><li>
we offer guidance on the administrative side of relocation and visa processes through our relocation agency</li><li>
collaboration thrives on direct exchange - we rely on 80% office presence and 20% mobile working</li><li>
from now a permanent full- or part-time position in a modern office in the heart of Berlin: http://www.axelspringer-neubau.de/</li></ul><div></div>
The most frequently asked questions and their answers can be found on our FAQ page: career.axelspringer.com/en/faq 
 
Diversity is an essential part of our corporate culture! We are looking forward to receiving all applications regardless of gender, nationality, ethnic and social origin, religion, ideology, disability, age, sexual orientation and identity. 
 
You can find information about the representation for the severely disabled at Axel Springer here: https://career.axelspringer.com/en/rsde</div>

Senior / Staff Fullstack Developer – Authentication & Profile

Cortea AI

<div><h1 class="jobSectionHeader">About us</h1>
We&rsquo;re Cortea, a Berlin startup transforming audits with AI. Manual, document-heavy audits waste expert time while demand keeps rising. Our AI-powered software and specialized AI agents remove the repetitive work so auditors can focus on judgment.
Backed by top-tier VCs with &gt;15m funding, with a working product and paying customers, we&rsquo;re rapidly scaling.
We value first-principles thinking, speed, trust, and kindness. We build side by side in our Berlin office.<h2 class="jobSectionHeader">
Your Role</h2>
We're looking for an experienced engineer who's happy anywhere in the stack and turns complex audit workflows into product auditors rely on every day. You pick up whatever a problem needs, from the data model to the interface to the agents behind it.
A lot of what we build has no reference implementation. You're comfortable wading into something nobody has solved yet and shipping a first version that actually works.
Our engineering team is a small, flat group of builders: strong ICs who open a laptop when they see a problem instead of scheduling a meeting. Everyone owns real product and architecture decisions, and that's exactly what we want more of.<h2 class="jobSectionHeader">
What you'll do</h2><ul><li>
Build the interfaces auditors work in, partnering with design to turn complex flows into something that feels effortless</li><li>
Build and improve the agents at the core of the product, plus the harnesses and eval pipelines around them</li><li>
Make the long-running workflows behind the product reliable and debuggable, so failures surface fast instead of silently</li><li>
Use AI heavily in your own workflow to move faster, without ever shipping output you can't stand behind</li><li>
Drive the how in RFCs and technical discussions with other engineers, and partner with product on the what</li></ul><h2 class="jobSectionHeader">
Qualifications</h2>
You'll fit here if you:<ul><li>
Have 5+ years shipping production web applications across the stack</li><li>
Write production APIs and model the data behind them so it holds up under multi-tenancy and load</li><li>
Are strong on the frontend and can build genuinely complex UI</li><li>
Get how LLM agents actually work: agents, harnesses, tool use, and measuring quality with evals</li><li>
Keep up with where AI is moving and bring the latest tools into how you work to make yourself faster</li><li>
Bring a strong product mindset and real ownership of outcomes</li><li>
Make architectural decisions, weigh trade-offs, and build things other engineers can extend</li><li>
Are comfortable with ambiguity and work things out from fundamentals when there's no established answer</li></ul>
Nice-to-haves that are a plus:<ul><li>
Hands-on experience building agents, harnesses, or eval pipelines</li><li>
Data-dense or workflow-heavy B2B products</li><li>
Scaling multi-tenant systems as data and traffic grow</li><li>
Audit, finance, compliance, or another domain where being wrong is expensive</li><li>
Early-stage startup or fast-moving engineering environment</li></ul>
No one checks every box. If you ship across frontend, backend, and data and own what you build, let's talk.<h2 class="jobSectionHeader">
Our tech</h2><ul><li>
React, TS, Tailwind, TanStack</li><li>
Python, Postgres, Temporal, Kafka, Redis</li><li>
GCP, Azure, k8s</li><li>
GitHub, Linear, Slack, Notion</li></ul><h1 class="jobSectionHeader">
What We Offer</h1><ul><li>
High impact &amp; growth: Front-row seat to scaling an AI startup with real ownership from day one</li><li>
Mission-driven culture: First-principles thinking, bold ideas, and a supportive team</li><li>
Attractive compensation: competitive salary + meaningful equity</li><li>
Personal development: Learning budget for courses and conferences</li><li>
True Berlin startup environment: Central Berlin office, team lunches, retreats, flexible vacation</li></ul><h1 class="jobSectionHeader">
Interview process</h1><ul><li>
First Call &mdash; Intro to Cortea with our Founders Associate Liza</li><li>
Second Call &mdash; Technical interview with our Member of Technical Staff Jendrik</li><li>
Third Call &mdash; Deep dive into our culture with our Co-Founder Philipp</li><li>
On-site Half-Day (Berlin) &mdash; Meet the team and work on a real problem together</li></ul></div><div></div>

Senior/Staff Fullstack Engineer (m/f/x)

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