🌍 Senior Backend Developer (Integrations & Migration) – Turku (On-site)

🌍 Senior Backend Developer (Integrations & Migration) – Turku (On-site)

📍 Location: Turku, Finland

🕒 Employment: Full-time

💡 Impact: 2M+ citizens

WasteHero is on a mission to transform municipal waste management. We are working with five of Finland’s largest waste companies — representing over 2 million citizens — to deliver a modern SaaS platform that sets a new standard for efficiency, transparency, and sustainability.

To succeed, we are establishing our first local technical hub in Turku. This hub will be at the center of integrations, data migrations, and customer delivery in Finland. We are now hiring a Senior Backend Developer (Integrations & Migration) to join as one of the founding engineers of our Finnish delivery team.

🚀 What you’ll do

• Enable integrations: Support municipalities and partners building on Frends, Boomi, and ERP systems by ensuring WasteHero’s APIs are robust, reliable, and well-documented.
• Develop common integrations: Help deliver the 10 baseline “Suomi integrations” required across all Finnish waste companies, ensuring monitoring and compliance.
• Build migrations: Develop and run migration scripts (Python, SQL, ETL) to transfer large, complex datasets across multiple systems.
• Ensure quality & compliance: Monitor and troubleshoot integrations/migrations to guarantee performance, accuracy, and GDPR/NIS2 compliance.
• Shape the hub: Collaborate daily with Finnish project managers and integration specialists, connect closely with our HQ engineering team in Denmark, and help set the technical standards for our new Turku hub.

🔧 Skills & stack

• 5+ years’ experience as a Backend Developer (senior-level).
• Strong coding experience with Python/Django (or similar).
• Deep knowledge of APIs, integrations, SQL/PostgreSQL, ETL pipelines.
• Experience with data migration, schema mapping, and validation.
• Familiarity with integration platforms (Frends, Boomi, MuleSoft) is a plus.
• Comfortable delivering in a fast-paced, project-driven environment.

🌟 Why join WasteHero

• Impact at scale: Your work will directly improve how waste is managed for millions of citizens in Finland.
• Be a founder: Play a key role in shaping the culture, technical standards, and future growth of our Turku hub.
• Challenging projects: Work on ERP integrations, large-scale data migrations, and high-visibility deliveries that boards care about.
• International exposure: Local role in Turku with strong collaboration from our HQ in Aarhus, Denmark.
• Stability + ambition: Backed by strong funding, with multi-year contracts already signed in Finland.

✅ What we’re looking for

• 5+ years’ experience as a backend engineer with integrations and migrations.
• Proven hands-on skills with Python, APIs, SQL/ETL pipelines.
• Track record of delivering complex integrations and migrations successfully.
• Finnish language skills are a strong plus; fluent English required.
• Mindset: practical, reliable, delivery-focused, and collaborative.

We’re building something important in Finland. If this sounds like you, apply here.