Software Engineer

About the Position

We are looking for a hands-on Software Engineer to join a product-focused Engineering Team building scalable cloud applications and modern AI-powered solutions. In this role, you will contribute across the full software development life cycle – from technical design and implementation to deployment and optimization.

You will work on back-end services, cloud infrastructure, data pipelines, and AI-enabled product capabilities. The position requires strong Python expertise, solid knowledge of AWS, and practical experience in building solutions with LLMs, retrieval-augmented generation, vector stores, and agentic workflows.

You will collaborate closely with product and cross-functional teams, contribute to architecture and engineering best practices, and help deliver high-quality software across multiple parallel initiatives in a fast-paced Agile environment.

Responsibilities

• Design, develop, and maintain robust, scalable back-end services and APIs using Python
• Build, maintain, and optimize data processing pipelines using AWS services such as S3 and Lambda
• Design and implement AI-powered product features, including LLM-based services, RAG pipelines, and multi-agent workflows
• Evaluate and apply generative AI tooling such as LLM APIs, vector databases, and orchestration frameworks to improve the product capabilities
• Collaborate with cross-functional teams to gather requirements and translate them into effective technical solutions
• Contribute to software architecture, technical design, and technology-selection decisions
• Write clean, maintainable, Production-grade code in an Agile development environment
• Ensure code quality through testing, code reviews, source control, and CI/CD practices
• Optimize application performance, scalability, and reliability across cloud-based systems
• Work across multiple concurrent projects and priorities in collaboration with North American stakeholders

Requirements

• 7+ years of software development experience
• Strong hands-on experience with Python and JavaScript
• Solid experience in building back-end services and APIs
• Strong knowledge of relational databases
• Experience with source control and CI/CD practices
• Good understanding of software architecture principles, design patterns, and engineering best practices
• Experience in working with AWS and services such as S3, Lambda, DynamoDB, and OpenSearch
• Practical experience with AI/LLM engineering, including LLM APIs, prompt/context engineering, RAG pipelines, vector stores, or agent orchestration frameworks
• Strong skills in data structures, algorithms, and problem-solving
• Familiarity with both front-end and back-end technologies and frameworks
• Ability to work across multiple projects simultaneously and prioritize effectively
• Ability to work with distributed teams, including North American stakeholders
• Self-motivation, task-orientation, and ability to resolve issues promptly to meet business deadlines
• Strong analytical, communication, and collaboration skills
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
• English level – Upper-Intermediate or higher

Nice to Have

• Experience in fine-tuning or evaluating LLMs
• Experience in building Production-grade agentic systems
• Knowledge of MCP (Model Context Protocol) or similar tool-calling/agent standards
• Skills with AI observability tools such as Langfuse or Phoenix
• Knowledge of LLMOps practices and tooling
• Experience in energy, SaaS, or data analytics domains

We Offer

• Remote-first work model with flexible working hours (we provide all equipment)
• Comfortable and fully equipped offices in Lviv and Rzeszów
• Competitive compensation with regular performance reviews
• Referral Bonus Program
• 18 paid vacation days per year
• 12 days of paid sick leave per year
• Extra paid leave (blood donation, marriage, childbirth, etc.)
• Health & wellness support: either a monthly budget for medical insurance and sports activities, or a full medical insurance plan, depending on your cooperation model
• Mental Health Program – company-covered psychologist consultations, with an annual coverage limit
• English, German, and Polish language courses and Speaking Clubs
• Corporate merch gifts for your special dates
• Corporate subscription to learning platforms, regular meetups and webinars
• Friendly team that values accountability, innovation, teamwork, and customer satisfaction
• Maternity leave
• Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans
• We are committed to supporting Ukraine and actively participate in charity initiatives