Senior Full Stack Engineer (f/m/d)

thermondo; Berlin; Hybrid; EUR 65.000 - 85.000; Vollzeit

Benefits dieser Stelle

Urban Sports Club membership

Job bike leasing

Work from home up to 3 days a week

Corporate benefits with 100+ partners

Dog-friendly policy

Zusammenfassung

A leading climate tech company in Berlin is seeking a Senior Engineer to architect systems that drive the green energy transition. This role will involve owning features throughout their lifecycle, utilizing modern technologies like Python, Node.js, and Vue.js. Candidates should have over 6 years of experience in software development, strong leadership skills, and an interest in AI. Benefits include a modern office, flexible working arrangements, and a dog-friendly policy.

Qualifikationen

• 6+ years of professional software development experience.
• Experience in backend and frontend development.
• Leadership experience as a Tech Lead or Feature Lead.

Aufgaben

• Own features from concept to deployment.
• Design and build scalable, resilient systems.
• Identify opportunities to leverage AI.

Kenntnisse

Full-stack engineering

Backend development (Python, Node.js)

Frontend frameworks (Vue.js, TypeScript)

Leadership and mentorship

AI/ML experience

Clean Code principles

CI/CD pipeline management

Tools

Terraform

Kubernetes

AWS or GCP

Jobbeschreibung

Overview

At thermondo, our mission is to decarbonize every home, and technology is our primary lever for change. We disrupt 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.

Responsibilities

• Own features from concept to deployment. As a technical leader, you'll partner closely with Product and Design to shape the 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).
• Design and build scalable, resilient systems. This is a hands-on coding role. You'll solve complex problems with maintainable, performant, and secure code, applying best practices like TDD, SOLID principles, and Clean Code to create solutions built to last.
• Pioneer AI Engineering at thermondo. Identify opportunities to leverage AI, from building internal superpowers with LLMs to creating intelligent, customer-facing features. Lead the charge from prototype to production.
• Champion a "You Build It, You Run It" culture. Take full ownership of the systems your team builds, ensuring they are scalable, observable, and resilient. Improve CI/CD pipelines and advocate for testing best practices.
• Elevate the team's technical bar. Through mentorship, code reviews, and pragmatic architectural decisions, level up engineers and help them grow.

Qualifications

• You're a seasoned full-stack engineer with at least 6 years of professional software development experience. Experience spans backend (Python and/or Node.js) and modern frontend frameworks (Vue.js with TypeScript or similar).
• A natural leader and owner. Experience as a Tech Lead, Feature Lead, or DRI. Able to break down high-level goals and rally a team to execute.
• A product-minded builder. You solve customer problems and influence what gets built with product managers.
• Pragmatic and execution-focused. Balance speed with quality and make smart tradeoffs to deliver value iteratively.
• Bonus Points: Hands-on experience with AI/ML; deep cloud and infrastructure knowledge (AWS or GCP, Terraform, Kubernetes); Proven success in a high-growth startup; Passion for climate tech.

What we have to offer

• Join a team of Product Managers, Software Engineers, Designers, Data and Salesforce specialists who share knowledge and help you grow.
• Modern tech stack and frameworks to build powerful products for customers, craftspeople, and internal teams.
• Challenge with purpose: the better our tech, the more people will live climate-neutral lives.
• Fantastic culture in the tech team and beyond, with benefits including:
• Modern office in the heart of Berlin
• Dog-friendly policy (one day per week)
• Work from home up to 3 days a week
• Job bike leasing
• Urban Sports Club membership
• Corporate benefits with 100+ partners
• nilo.health membership

About us

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 digitize trade and scale the heating transition in Germany with 800 thermondinos. We aim to enable a fully digitized and smooth customer journey across commercial funnel, procurement, product, supply chain, project management, finance, dispatch, HR planning, and customer-facing offerings for maintenance and home energy management. Our product & tech teams in Xberg (the heart of Berlin) are diverse and multicultural, focused on making a difference and scaling the energy transition in Germany.

Application process

• An initial interview with your Talent Acquisition partner, Jenny
• Discussion with our VP of Engineering, Pedro
• Technical assessments
• Meet with your to-be teammates
• Become a thermondino

Here we go

Is this exactly the challenge you are looking for? Apply now. We look forward to getting to know you!