Senior Backend Engineer, Koppla
SRE / Infrastructure
€75-100k
+ 25-35% equity
2-5 days a week in office
Intuitive scheduling tool for construction sites
Be an early applicant
Intuitive scheduling tool for construction sites
21-100 employees
Be an early applicant
€75-100k
+ 25-35% equity
2-5 days a week in office
21-100 employees
Company mission
To make building faster, cheaper, and more sustainable.
Role
Who you are
- This role is perfect for a DevOps / SRE engineer with 4-6 years of experience looking to grow their skills and make a meaningful impact at a company that is approaching product-market fit (approaching €2M ARR)
- You optimize platform and processes with a dual focus on developer productivity and customer experience
- You take a pragmatic approach, harmonizing infrastructure cleanliness with speed of execution
- You have solid engineering fundamentals, write clean and efficient code, and are eager to continue improving your skills
- You have a solid understanding of performance optimization, distributed architectures, and security for large-scale systems
- You can provide a proven track record with incident management and production troubleshooting
- You thrive in a fast-paced startup environment, enjoy taking ownership of your tasks, and stay proactive in solving challenges
What the job involves
- We are looking for our first Senior Site Reliability Engineer (SRE) in Berlin
- You’ll work on reliability, scale our infrastructure, and help define how SRE is done at koppla - while staying hands-on
- You’ll work side-by-side with our backend engineer and a team of smart, driven product engineers, taking ownership of AWS, Postgres, Kafka and CI/CD pipelines
- While this role is SRE focussed, you will also get to also work on the backend and help build new features
- Own & evolve infrastructure: Keep koppla’s systems highly available, scalable, and secure
- Incident response: Lead on-call rotations, run blameless postmortems, and continuously improve our response processes
- Systems: Design, operate, simplify (e.g. swap Kafka with SQS) and optimize services on AWS (S3, Dynamo, Aurora, ECS, IAM, Lambda,)
- Database reliability: Own Postgres administration (backups, performance tuning, index management) and ensure resilience at scale
- Observability: Improve monitoring & alerting (AWS, Sentry and anything you recommend)
- Networking: Manage VPCs, routing, load balancing, and related components
- CI/CD: Automate and streamline pipelines (GitHub Actions)
- Collaboration and DX: Work closely with our TypeScript-heavy product team to embed reliability and simplicity into every release in a truly cross-functional process
- Features: Besides Infra related work, you will help bring in value for customers through backend feature development
- Stack: NodeJS, TypeScript, AWS, GraphQL (Apollo), PostgreSQL, Terraform, Kafka, Socket.io. You should be familiar with some of these or similar technologies
Our take
Rarely does a construction site run smoothly, with countless obstacles appearing unexpectedly. koppla prepares workers for these surprises. A large construction site sees many different companies operating, which can become difficult for construction management and lead to higher costs due to longer construction times. By offering a digital and automate solution, koppla’s software helps management create faster, cheaper and more sustainable construction sites.
There are certainly other players in the construction site optimisation field, such as Munich’s Capmo and Berlin’s Cosuno. Though koppla is unique in its application of the lean methodology in the construction industry. Lean construction management has a reliable history, known for enabling more efficient planning and organisation and better on-site communication.
With funding under its belt, koppla is expanding the technical aspects of its model, as well as making new hires in the tech and sales department as it continues to ambitiously target the top 1,000 construction companies and real estate developers in DACH countries.
Freddie
Company Specialist at Welcome to the Jungle
Company
Funding (2 rounds)
May 2025
$7m
EARLY VC
Oct 2021
$1.9m
SEED
Total funding: $8.9m
Company benefits
- Make your own decisions: You know how you work best. Our software is up to date and so should be your equipment – which you can choose by yourself, just like your working hours and your balance between home office and our modern office
- Family & Friends: Some count their colleagues as family - at koppla we respect yours. With us, you can expect a family-friendly corporate culture, like-minded colleagues and a start-up flair that is perfectly compatible with children
- Office Dogs: We are always happy to meet new dogs - but our Office Dogs Oskar, Baby and Sammy are even happier to make new friends! They will even share the available toys and snacks in the office
- Employee Investment: All our employees have a fixed training budget for further training in the subject of their choice. In addition, you will receive a 30% contibution to the company pension scheme (BAV).
- Breakfast & Drinks: Stay Hydrated & Stop being Hangry! We provide breakfast and drinks - from mate and coffee to muesli and fruits. At the weekly team lunch we slide into the weekend together and oh, there's always a free spot in our calendar for the next office party
- Become Climate Neutral: As part of our ESG Policy, we compensate all emissions caused by your mobility, whether business or private. So that you can commute in good conscience between our office, construction site visits and your appointments
- Site Visits: Whether it's marketing, customer success or tech, with us you'll be close! Through regular site visits and customer events, you will get into contact with our users and get to know the industry first hand
Company HQ
Nördliche Innenstadt, Potsdam, Germany
Leadership
Marco Trippler
(Co-Founder & Managing Director)Previously worked in Operations for Homebell and Business Development for both Kaminski Und Brendel Malereibetrieb GmbH and Behrendt Werbetechnik GmbH.
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