Senior Software Engineer (Scala & Python)

Senior Software Engineer (Scala & Python)
Contract: B2B
Rate: 150-160 zł/h net + VAT depending on skills and experience
Location: Remote within the EU
Duration: 6+ months, with the possibility of long-term cooperation
Start: ASAP
Project: Backend engineering project focused on developing and maintaining a SaaS platform and expanding its AI-powered capabilities.
– Scala
– Python
– Backend development
– REST APIs
– SaaS platforms
– CI/CD
– Automated testing
– Nice to have: AI and LLM integrations, ElasticSearch, AWS, Azure, or GCP
You’ll join an existing engineering team as a Senior Software Engineer, contributing to the development and maintenance of backend services for an established SaaS platform.
The role combines Scala and Python development. Scala is a core technology used within the existing platform, while a significant part of the day-to-day development will be carried out in Python.
You will also support the expansion of AI-powered functionality across the product, including integrations with internal and external AI services, LLM platforms, transcription solutions, and other machine-learning-based capabilities. This is a hands-on role for an experienced backend engineer who can work independently, contribute to architectural and technical decisions, and build reliable, scalable, production-ready solutions.
– Develop, maintain, and extend backend services using Scala and Python.
– Design and implement scalable functionality across an existing SaaS platform.
– Build and expand AI-powered features within the product.
– Integrate internal and external AI services through APIs, including LLM-based platforms and similar tools.
– Support the maintenance and further development of existing Scala-based services.
– Develop new backend functionality primarily in Python.
– Design reliable and maintainable integrations between platform services and external systems.
– Write clean, testable, and well-documented production code.
– Participate in technical discussions, code reviews, and architectural decisions.
– Ensure the quality, scalability, performance, and security of implemented solutions.
– Work closely with software engineers, product teams, and other technical stakeholders.
– Support CI/CD processes and modern software development workflows.
– Troubleshoot production issues and improve the stability of existing services.
– At least 7 years of professional software development experience.
– Strong production experience with Scala.
– Strong proficiency in Python and experience developing production-grade backend applications.
– Hands-on experience building and maintaining backend services.
– Ability to work effectively across both Scala and Python codebases.
– Strong understanding of software engineering best practices.
– Experience with automated testing, version control, code reviews, and CI/CD.
– Good understanding of scalable and maintainable software architecture.
– Ability to independently analyze technical problems and propose practical solutions.
– Strong communication skills and the ability to collaborate within an international engineering team.
– Fluency in Polish and an advanced level of English (B2/C1)
– Commercial experience working with LLMs or generative AI solutions.
– Experience integrating AI services or AI models into production systems.
– Experience building integrations with external AI platforms through APIs.
– Experience with AI-based transcription, speech-to-text, or related technologies.
– Experience with ElasticSearch.
– Experience with public cloud AI services available in AWS, Azure, or GCP.
– Experience developing or maintaining PHP applications.
– Previous experience working on SaaS products.
– Understanding of AI service scalability, monitoring, performance, and cost optimisation.
Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients.
Join us and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology!
– Stable, long-term, full-time collaboration.
– Remote work within the EU and flexible working hours.
– High engineering culture with a focus on growth and learning.
– Opportunity to work on a mature SaaS platform and production AI solutions.
– Multinational teams.
– Benefits: Private medical care, Multisport card, and workation opportunities.