
Thermondo · Berlin (Zentrale)
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.
As a Senior Engineer, you will architect the foundational systems that power this mission. Whether you’re building AI-powered
tools to help customers find the perfect clean-energy solution, developing automation that gives our operational teams
superpowers, or optimizing the algorithms that make thousands of homes more efficient, your code will directly accelerate the
green energy transition.
We’re looking for a seasoned builder who is ready to leverage modern Cloud and AI to solve one of the most pressing challenges of
our time. If you thrive on turning complex problems into elegant solutions and want to build technology that truly matters, join
us.
roadmap, architect robust solutions, and guide a pod of engineers to deliver high-impact features across our full stack
(Python, Node.js, TypeScript, and Vue.js).
performant, and secure code, applying best practices like TDD, SOLID principles, and Clean Code to create solutions built to
last.
internal "superpowers" with LLMs to creating intelligent, customer-facing features. You'll lead the charge from prototype to
production.
scalable, observable, and resilient. You'll improve our CI/CD pipelines and advocate for testing best practices.
level up the engineers around you and help them grow their craft.
track record of shipping complex web applications and your expertise spans both backend (Python and/or Node.js) and modern
frontend frameworks (Vue.js with TypeScript or similar).
You thrive in roles where you can take a high-level goal, break it down, and rally a team to execute.
using your technical insight to influence what gets built and why.
the need for speed with the importance of quality, making smart tradeoffs to deliver value iteratively.
Bonus Points
models or large language models (LLMs).
infrastructure-as-code (e.g., Terraform) and container orchestration (e.g., Kubernetes).
withstand rapid growth.
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 1000 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
Is this exactly the challenge you are looking for? Then don't wait any longer and apply to us. We look forward to getting to know
you!
Purpose of the position Weʼre looking for an experienced Full Stack Senior Software Engineer for a new team in our Advertiser tribe to accelerate the delivery of our brand new Affiliate Marketing platform. You Working within one of our agile Engineering teams, you will report to an Engineering Manager. You will collaborate closely with other engineers, UX, and product managers to design, build, and maintain secure, scalable, and well-tested software for our award-winning marketing platform. You are responsible for writing clean, secure and well-tested code, follow best-practice guidelines and help to improve those guidelines. Your code is open by default and easy for others to reuse. You are part of a team and with the team extend, maintain and operate assigned parts of our platform. As one of the most senior members of the team, you coach and mentor more junior colleagues, participate in knowledge-sharing activities both within your team and the wider Engineering practice. You have a good understanding of the user needs within your service and work with the product manager and other team members to translate these into technical solutions. You work through the entire lifecycle of a service or product, from understanding requirements, translating these into architectural diagrams, to development to deployment, then support and maintenance. You show an understanding for deadlines, find pragmatic solutions and are proactive in raising potential risks. You will help the team in solving the challenges that arise as our business grows and develops; working together to ensure the service continues to meet the needs of our business and its customers. The Team This role is within Team Argonauts in our Advertiser Tribe, part of the Growth Domain. This team are dedicated to serve our Advertisers by building the high value features that they need in our new Affiliate Marketing platform. Team Argonauts is a brand new team - a mix between new hires and new joiners from other teams. This gives you the opportunity to do more than just code and create great software. Youʼll be able to support your new colleagues, influence ways of working and best practices, and establish the culture in this new team. Along with access to the OʼReilly learning platform, hackathons, and cross-team initiatives, will provide plenty of opportunities to learn and gain experience from people in the many other teams across the engineering organisation at Awin. Skills & Expertise Soft Skills The experience in the technologies and the expertise listed below are as important to us as the soft skills that you have. We are interested in people who are open, enthusiastic, and interested in positively contributing to the culture of the team. We are passionate about continuous improvement, and are seeking people who can demonstrate a growth mindset and how they have learnt from mistakes. We value everyoneʼs opinion and experience as much as we value delivering and team cohesion, and we consider a challenge and commit mindset to be crucial to balance these. Hard Skills Required * At least 6 years of hands-on experience in commercial Software Engineering roles. * Good experience working with front-end code, ideally using Angular. * Extensive experience in developing cloud software using: * AWS services - Lambda, ECS, DynamoDB, Opensearch * Terraform for writing Infrastructure as Code scripts * Typescript * Java v21 with Maven, and Spring Boot v3 Docker * Docker * Understanding of relational database design principles, SQL query optimisation, and proficiency in SQL and non-relational databases like DynamoDB. * Experience and an enthusiasm for using and finding new ways to use AI tools to augment software development practices. * Experience using Git for source control. * Passion for writing elegant code and a desire to constantly refactor and improve, with a good understanding of the SOLID principles. * Expertise in designing and implementing RESTful APIs within a microservices architecture. * Ability to conduct a thorough code review process, write unit tests and maintain CI/CD pipelines. * A keen interest in agile processes eg. Scrum or Kanban. * Experience in monitoring applications (preferably using Cloudwatch and Datadog). * Knowledgeable about information security, able to design and implement solutions with mitigation against security threats Nice to have * Knowledge of TDD and Pair Programming practices. * Experience working with PHP, including building and maintaining web applications. * Experience with cache solutions such as Redis, Memcached, or other. * Experience with streaming and queuing solutions (ideally Kafka, Kinesis or SQS). Our Offer * Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four-day Flexi-Week at full pay and with no reduction to your annual holiday allowance. We also offer a variety of different paid special leaves. * Remote Working Allowance: You will receive a monthly allowance to cover part of your running costs. In addition, we will support you in setting up your remote workspace appropriately. * Flexi-Office: We offer an international culture and flexibility through our Flexi-Office and hybrid/remote work possibilities to work across Awin regions * Meal Vouchers: You will be supported with a certain net sum to spend it on a variety of lunches. * Health & Wellbeing: The insurance covers several types of health, vision and / or dental treatments for you and for up to one additional family member. * Remote Working Furniture Package: After 3 months of employment, you will be eligible for a furniture package, which should enable you to set up a proper workplace at your remote working location * Appreciation: Thank and reward colleagues by sending them a voucher through our peer-to-peer program. Established in 2000, Awin is proud of our dynamic, social and inclusive culture. Like all businesses, we’ve had to adapt and nurture our culture in a virtual environment. Our virtual ‘Life @ Awin’ hub brings our colleagues from across the globe together for various social activities. Diversity & Inclusion are paramount to us, and we proudly pursue and hire diverse team members. We champion uniqueness and authenticity; this is who we are at our core. Our network of affiliate partnerships are diverse and transparent, as are the employees powering our vision to build the world’s leading open partner ecosystem. We welcome all backgrounds, identities, and experiences. If you need support at any point in the application or interview process, please let us know. Awin is part of the Axel Springer group. Learn more at axelspringer.com/en/, and explore the Axel Springer Essentials here: axelspringer.com/en/inside/the-essentials-what-we-have-adapted-and-why Apply now to begin the next stage of your career at a progressive company that supports both your professional and personal development. #LI-RS1
PURPOSE OF POSITION Weʼre looking for an experienced Senior Software Engineer to support our Enterprise Integrations team, and achieve excellent service for our customers. You Working within one of our agile Engineering teams, this role reports to an Engineering Manager. You will collaborate closely with other engineers, and product managers to design, build, and maintain secure, scalable, and well-tested software for our award-winning marketing platform. You are responsible for writing clean, secure and well-tested code. You follow best-practice guidelines and help to improve those guidelines, your code is open by default and easy for others to reuse. You are part of a team and with the team extend, maintain and operate assigned parts of our platform. You coach and mentor more junior colleagues, participate in knowledge-sharing activities both within your team and the wider Engineering practice. You will guide your team by establishes standards, best practices, and policies. You have a good understanding of the user needs within your service and work with the product owner and other team members to translate these into technical solutions. You work through the entire lifecycle of a service or product, from understanding requirements, development to deployment, support and maintenance. You show an understanding for deadlines, find pragmatic solutions and are proactive in raising potential risks. You will help the team in solving the challenges that arise as our business grows and develops; working together to ensure the service continues to meet the needs of our business and its customers. The Team You will be joining Team Coral in our Advertiser Tribe, part of the Growth Domain. This team are dedicated to providing bespoke solutions to integrate their systems with our own. As a team responsible for whose work d delivering some of the most in-demand features for our customers, To understand their needs and pains, youʼll occasionally have contact with our customers, and your work here will be visible. Every change you make can have a positive impact on our customers. Team Coral practice scrum and youʼll have the opportunity to bring new ideas to the team whether this is introducing alternative ways to solve problems, enhancements to our ways of working, or bringing new insights to your teammates in the best practices for a new technology. Along with access to the OʼReilly learning platform, hackathons, and cross-team initiatives, will provide plenty of opportunities to learn and gain experience from people in the many other teams across the engineering department at Awin. Skills & Expertise Soft Skills The skills and expertise listed below are as important to us as the soft skills that you have. We are interested in someone who is open, enthusiastic, and is interested in positively contributing to the culture of the team. We are passionate about continuous improvement, and are seeking someone who can demonstrate a growth mindset and how they have learnt from mistakes. In Team Coral, we value everyoneʼs opinion and experience as much as we value delivering and team cohesion, and we consider a challenge and commit mindset to be crucial to balance these. Hard Skills Required * At least 6 years of hands-on Java experience in commercial Software Engineering roles. * Good experience working with front-end code, ideally using Angular. * Extensive experience in developing cloud software using: * AWS services - Lambda, ECS, DynamoDB, Opensearch * Terraform for writing Infrastructure as Code scripts * Typescript * Java v21 with Maven, and Spring Boot v3 Docker * Understanding of relational database design principles, SQL query optimisation, and proficiency in SQL and non-relational databases like DynamoDB. * Experience and an enthusiasm for using and finding new ways to use AI tools to augment software development practices. * Experience using Git for source control. * Passion for writing elegant code and a desire to constantly refactor and improve, with a good understanding of the SOLID principles. * Expertise in designing and implementing RESTful APIs within a microservices architecture. * Ability to conduct a thorough code review process, write unit tests and maintain CI/CD pipelines. * Familiar with agile processes, Scrum or Kanban. Experience in monitoring applications (preferably using Cloudwatch and Datadog). Nice to have * Experience with low-latency, high availability systems. * Knowledgeable about information security, able to design and implement solutions with mitigation against security threats. * Knowledge of TDD and Pair Programming practices. * Experience working with PHP, including building and maintaining web applications. * Experience with cache solutions such as Redis, Memcached, or other. * Experience with streaming and queuing solutions (ideally Kafka, Kinesis or SQS). Our Offer * Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four-day Flexi-Week at full pay and with no reduction to your annual holiday allowance. We also offer a variety of different paid special leaves. * Remote Working Allowance: You will receive a monthly allowance to cover part of your running costs. In addition, we will support you in setting up your remote workspace appropriately. * Flexi-Office: We offer an international culture and flexibility through our Flexi-Office and hybrid/remote work possibilities to work across Awin regions * Meal Vouchers: You will be supported with a certain net sum to spend it on a variety of lunches. * Health & Wellbeing: The insurance covers several types of health, vision and / or dental treatments for you and for up to one additional family member. * Remote Working Furniture Package: After 3 months of employment, you will be eligible for a furniture package, which should enable you to set up a proper workplace at your remote working location * Appreciation: Thank and reward colleagues by sending them a voucher through our peer-to-peer program. Established in 2000, Awin is proud of our dynamic, social and inclusive culture. Like all businesses, we’ve had to adapt and nurture our culture in a virtual environment. Our virtual ‘Life @ Awin’ hub brings our colleagues from across the globe together for various social activities. Diversity & Inclusion are paramount to us, and we proudly pursue and hire diverse team members. We champion uniqueness and authenticity; this is who we are at our core. Our network of affiliate partnerships are diverse and transparent, as are the employees powering our vision to build the world’s leading open partner ecosystem. We welcome all backgrounds, identities, and experiences. If you need support at any point in the application or interview process, please let us know. Awin is part of the Axel Springer group. Learn more at axelspringer.com/en/, and explore the Axel Springer Essentials here: axelspringer.com/en/inside/the-essentials-what-we-have-adapted-and-why Apply now to begin the next stage of your career at a progressive company that supports both your professional and personal development. #LI-RS1
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.