
Thermondo · Berlin
WE'RE LOOKING FOR At thermondo, our mission is to decarbonize every home, and technology is our primary lever for change. We are disrupting a massive industry...
At thermondo, our mission is to decarbonize every home, and technology is our primary lever for change.
We are disrupting a massive industry bogged down by legacy systems and manual work. This is where you come in. We build the
intelligent software and automation that gives us a decisive edge, allowing us to operate at a scale and efficiency our
competitors can't match.
We are looking for a Staff Engineer - Full Stack (f/m/d) to serve as a strategic technical leader. In this role, you will not just
solve the problems we hand you; you will identify the problems we should be solving. You will report to a Domain Lead and act as a
technically-focused peer, helping to define the vision for our platform and the AI strategies that will differentiate us in the
market.
and data backbone, ensuring we build for long-term scalability and resilience.
identifying opportunities for impact without needing a Product Manager to define every step.
cost, and evaluation - while demonstrating to the wider organization how to build AI-native software.
championing AI-augmented workflows.
architectural trade-offs into business value and leading large-scale initiatives to delivery.
in a modern product company.
frontend. You can reason about data flows and architecture, and you can build them too.
between coding, designing, and communicating without needing constant oversight.
spend innovation tokens (specifically on AI and Cloud scalability).
consensus even when opinions differ. You can articulate the business implications of technology in a room full of VPs.
Bonus points
evaluation frameworks).
Pub/Sub and Kafka.
downtime.
problem that matters.
are happy to share their knowledge and help you grow alongside them
craftspeople, and internal teams
becomes for future generations
Every application is welcome here - regardless of gender, nationality, ethnic and social background, religion, ideology,
disability, age, sexual orientation or identity. We are convinced that everyone is valuable and deserves a fair chance.
Software has always been part of thermondo’s DNA. We have been the first to digitize trade a decade ago. Today, our proprietary
software enables 800 thermondinos to scale the heating transition in Germany. But we want more. We want to enable fully digitized
and smooth customer journey ensuring that all processes are coming together: commercial funnel, procurement, product, supply
chain, project management, finance, dispatch, HR planning as well as customer facing offerings for maintenance and home energy
management.
Our product & tech teams in Xberg - the heart of Berlin - are a highly diverse and multicultural bunch. They make sure that we can
make a difference and scale the energy transition in Germany and work closely together with all departments.
Join our product & tech teams and pave the way for climate neutral living.
responsibility required for this role
Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here). Our journey: Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started. Our beliefs: We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit. AI at Qonto: AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it. ------------------------------------------------------------------------------------------------------ 🌏 Location: You can choose to work in Qonto as long as you're living in (or willing to relocate to) either Germany, France, Italy, Serbia, or Spain. Mission: Join us as a Backend Engineer to build the financial infrastructure that 600,000+ European SMEs depend on every day, from highly scalable APIs to robust banking services that handle real money, in real time, with zero room for mistakes. ➡️ As a Backend Engineer at Qonto, you will Design, build, deploy, and maintain services handling real financial transactions, owning reliability in production, not just at merge time Co-own service architecture, resilience, and scalability with respect to Domain-Driven Design principles Grow in technical leadership: lead design discussions, anticipate risks, and mentor less experienced engineers Drive continuous improvement, from fixing flaky CI to running post-mortems and propagating learnings across the team Our primary languages are Go and Ruby. Our platform runs on a Kubernetes cluster hosted on AWS, with PostgreSQL as our database of choice. We're also using Kafka for event-driven architecture and ELK for logging and auditing, among many other tools and services. ➡️ What you can expect: our methodology, the Qonto Way We value upfront technical design, team reviews, and smart slicing, quality drives the velocity our customers need Our org assigns one team lead per project across stacks, giving your team a clear mission and full autonomy on how it operates Our lean toolbox, Kaizen, PDCA, lets you monitor and drive continuous improvement collaboratively with your peers and manager Each engineer gets access to Cursor or Copilot, and we want people who use AI to raise the bar, not just to go faster ➡️ Your future team As a Backend Engineer, you will join one of Qonto's squad teams, each organised around a clear project mission, with one team lead and full ownership of a product scope. You'll be part of a 190-strong backend engineering community within a 500- Product Engineering department, working in squad teams of 5 to 10 people alongside Product, Design, and peers from Frontend and Mobile. ➡️ About You Technical expertise: Strong backend engineering experience with exposure to large-scale web application architecture and real production constraints Stack fluency: You don't need to know our exact stack, but you transfer fast and are comfortable with similar technologies Quality-driven: You write tests, set up monitoring, handle incidents methodically, and do root cause analysis Ownership mindset: You track impact after release, flag regressions, and improve what's in your scope without being asked Team player: Comfortable working in squad teams with PMs, Designers, and other stacks; fluent in English
JOIN APALEO AND SHAPE THE FUTURE OF HOSPITALITY TECH! At Apaleo, we’re revolutionizing the hospitality industry with our AI-first property management platform, giving businesses the power to build a tech ecosystem that enhances both guest experiences and staff efficiency. With seamless integrations to hundreds of apps through the Apaleo Store, our platform simplifies operations, elevates the guest journey, and drives revenue growth. Are you ready to make an impact? We’re looking for a Senior Full-Stack Engineer (Python & .NET) (f/m/d) to join our dynamic team and help shape the future of hospitality technology! WHAT YOU’LL BE UP TO * Develop and maintain scalable backend services hosted on AWS with a strong focus on Python-based applications and AI-driven products. * Contribute to full stack development initiatives, including backend APIs and selected frontend components using TypeScript, HTML, and CSS. * Balance speed and quality, ensuring maintainable, reliable, and production-ready code without overengineering. * Mentor and support junior AI engineers by providing technical guidance, architectural feedback, and best practices. * Collaborate closely with product stakeholders, AI engineers, and cross-functional teams to deliver new AI-related products and platform capabilities. * Contribute to future platform initiatives, including potential work within the .NET-based Storefront API ecosystem. WHAT YOU’LL BRING TO THE TEAM * 5+ years of professional software engineering experience with strong backend development expertise, including advanced proficiency in Python for building scalable backend systems and production-ready services. * Experience with cloud platforms such as AWS/ Azure / GCP. * Strong understanding of software architecture, code quality practices, and engineering best practices. * Ability to work independently, take ownership of projects, and operate effectively as a senior individual contributor. * We are looking for candidates with hands-on C#/.NET development experience, given that C#/.NET 10 is our primary backend stack and key to our long-term platform strategy and flexibility. * Strong problem-solving, and collaboration skills, especially within fast-growing engineering teams. * A proactive mindset with the ability to guide junior engineers and help scale engineering excellence across the organization. Nice to Have: * Frontend development experience with TypeScript, HTML, and CSS is a plus. * Interest or experience in AI-related products, machine learning, or data engineering environments is beneficial. WHAT WE OFFER CULTURE & GROWTH * A Diverse & International Team: Work alongside passionate professionals from over 20 nationalities, bringing unique cultural perspectives, backgrounds, and experiences to shape the future of hospitality tech. * Growth & Development: As we scale, so do your opportunities. You’ll benefit from 360° feedback reviews, a dedicated learning budget, and plenty of chances to take on more responsibility. Our evolving career framework ensures you have increasing opportunities to learn new skills, advance your career, and make an impact. * Autonomy & Ownership: Great ideas can come from anywhere. We empower you to take responsibility, make decisions, and contribute directly in an environment built on trust, transparency, and collaboration. * Shape the Future of Hospitality Tech: Be part of a fast-growing scale-up transforming the hospitality industry. From day one, your work drives real impact and you’ll have the freedom to bring your ideas to life. * Competitive & Fair Compensation: We believe great work deserves great pay. Our salaries are competitive and guided by benchmarking data to ensure fairness across all roles and teams. We make sure to recognize and reward performance and contribution. PERKS & LIFESTYLE * Flexible & Remote Work Options: We focus on results, not clocking hours. You can work from home, the office or in a hybrid setup, with flexibility to adapt your schedule as long as it makes sense for your role, your team and our business. * Free Public Transport: Travel across Germany with ease using our fully covered Deutschland Ticket. * Team Connection: Strong connections fuel collaboration. We celebrate and connect through regular team dinners, company meetups, Oktoberfest celebrations, Christmas parties, and other offsite events. * Paid Time Off: Enjoy 30 days of vacation to fully disconnect, recharge, and return inspired. * Health & Wellbeing: Prioritize your health with access to hundreds of gyms, fitness studios, and wellness options through our EGYM Wellpass membership. How you make an impact joining Apaleo: Joining Apaleo means more than just taking on a role, it’s about driving real change in the hospitality industry. Your contributions will directly shape our innovative platform, influence company-wide decisions, and help redefine the future of hospitality tech. At Apaleo, your voice matters, your ideas are valued, and your impact is tangible. Be part of a team where your work fuels progress, collaboration sparks innovation, and growth is a shared journey. We are proud to be an Equal Opportunity and Affirmative Action Employer, committed to fostering a diverse, inclusive, and welcoming workplace. We encourage applications from individuals of all backgrounds, regardless of race, color, religion, gender identity or expression, sex, national origin, age, marital status, disability, or any other characteristic protected by applicable law. Your personal data will be handled with the utmost care and in compliance with GDPR and relevant data protection regulations. We celebrate differences and believe that diversity enriches our team and drives innovation.
IDnow is a leader in digital identity and fraud prevention in Europe with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with AI-driven, SaaS-based identity solutions that deliver scalable security, adaptive compliance, and real-time fraud prevention. Through its broad portfolio of digital identity and fraud prevention solutions, IDnow establishes, maintains and enriches trust throughout the customer journey, ensuring businesses can confidently and securely operate while leveraging digital identity to drive growth, security and scalability. The company has offices in Germany, United Kingdom, Romania and France, and is backed by renowned institutional investors, including Corsair Capital and Seventure Partners. Its portfolio of international clients spans a wide range of end markets including financial services, telecommunications, travel & mobility, gaming, and other industries. This position is based in Rennes, France. IDnow is looking for a Staff DevOps Engineer (f/m/d) to join our growing platform team in Rennes, France. We are looking for someone who can go beyond execution and take true technical ownership of our platform - driving architecture decisions, mentoring peers, and leading critical projects as we transition from on-premises infrastructure to AWS. You will be a senior technical voice within the team, working closely with the Engineering Manager and cross-functional stakeholders to shape the future of our platform infrastructure. KEY RESPONSIBILITIES * Act as a staff-level technical lead - own epics, drive architecture decisions, and set the technical direction for platform initiatives. * Lead the migration from on-premises infrastructure to AWS, ensuring continuity and resilience throughout the transition. * Champion best practices in infrastructure-as-code, CI/CD, and platform reliability. * Serve as a go-to expert and escalation point for complex technical challenges within the team. * Design, build, and maintain Kubernetes-based infrastructure across both cloud (AWS) and on-prem environments. * Manage and optimize the on-premises virtualization platform (Proxmox/Ceph) while progressively shifting workloads to AWS. * Develop and maintain Infrastructure as Code using Terraform (AWS) and Ansible (on-prem). * Manage networking components including firewalls, switches, and related security configurations. * Ensure platform security through TLS certificate management, Vault, and close collaboration with the Security team * Participate in the on-call rotations (approximately every 6 weeks) covering the full platform stack - from infrastructure to CI/CD layers. * Respond to and resolve production incidents in a timely manner; contribute to post-mortems and continuous improvement. * Support and improve observability, monitoring, and alerting across the platform. PREFERRED EXPERIENCE * 5+ years of experience in DevOps or Platform Engineering. * Demonstrated experience operating at a Staff or Senior+ level — owning projects end-to-end with minimal oversight. * Experience working in a hybrid on-prem / cloud environment, ideally during cloud migration. * Passionate about technology and always learning. * Proactive, ownership-driven mindset, you build, improve, and take responsibility. * Strong communicator- able to engage stakeholders, document decisions, and collaborate across distributed teams. Nice-to-have's * Familiarity with Proxmox or similar open-source hypervisors. * Experience with security tooling beyond SSL/TLS (e.g., WAF, IDS/IPS). * Experience in a fast-moving SaaS or product-led engineering organization. * Comfort with AI-assisted development workflows. PERKS & BENEFITS * Health & Wellbeing: Use your full access to the mental health platform nilo, including 1on1 sessions. * We value personal and professional development: make full use of Udemy, our training platform with 24/7 access and unlimited content/course consumption incl. certification. * We make your remote work comfy: we provide support on equipment and offer flexible working hours. * We value collaboration & love to come together: regular onsite gatherings, internal initiatives and summer parties to connect outside of work. * May your family require your attention or other reasons apply: use the benefit of our paid special leave days. * Enjoy the possibility to combine work with a longer stay at your holiday destination or extend a weekend with our Workcation possibilities. * In addition to the perks & benefits above, we offer specific benefits that differ between our locations. IDnow applies the principles of non-discrimination and equality: We strive to establish, maintain, and promote an open and inclusive recruitment process and working environment by respecting the principles of equal opportunities. Including but not limited to: sex, race or ethnic origin, religion or convictions, gender identity, citizenship, marital status, disability, age, or sexual orientation.