Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.
Position: Senior Backend Engineer
Contract: B2B – Remote (EU Only)
Rate: up to 30 EUR/hour + 20 paid vacation days
Language: English C1
Responsibilities
- Design and build scalable backend systems for processing large volumes of spare parts data
- Develop and maintain robust, high-performance APIs for data integration and access
- Build, optimize, and maintain ETL pipelines for data ingestion and transformation
- Process and manage large datasets in distributed environments
- Optimize system performance, latency, and throughput across backend services
- Improve database performance through indexing, schema design, and query optimization
- Collaborate with product managers, designers, and engineering teams to deliver scalable solutions
- Work closely with stakeholders to define and implement data-driven functionalities
- Ensure high standards of security, reliability, scalability, and maintainability
- Mentor and support other engineers as part of a senior-level engineering role
- Stay up to date with modern backend technologies, architecture patterns, and engineering best practices
Requirements
- Tech stack & requirements
- Strong commercial experience with JVM-based languages such as Java, Scala, or Kotlin
- Solid experience with relational databases, including PostgreSQL and MySQL
- Experience working with NoSQL databases, preferably MongoDB
- Hands-on experience processing and managing large datasets
- Strong knowledge of scalable API design and backend architecture principles
- Experience designing distributed and high-performance systems
- Practical experience building ETL pipelines using standard data processing tools
- Experience with cloud platforms such as AWS, GCP, or Azure
- Strong understanding of performance optimization and low-latency systems
- Experience with database optimization, including indexing, schema design, and performance tuning
- Strong problem-solving and communication skills
- Senior-level mindset with the ability to mentor and support engineering teams
- English at C1 level
- Must be based in the European Union
Benefits
In return, we offer:
- 100% remote, flexible work;
- work with an experienced team of developers and continuous development of your hard and soft skills;
- dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes;
- long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).
- We would like to know you better, so we will invite you for a meeting with our recruiter.
- Next, you'll be asked to solve the task or invited to an interview and pair programming with one of our iOS Developers.
Looking for a full-time job? Check out our Career Page and find out more about our open recruitment processes.
If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.
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Netguru is a consultancy, product design, and software development company founded in 2008. Netguru builds digital products that let people do things differently – offering consulting, tools and resources to companies of all shapes and sizes – to make ...
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