backend developer English-speaking jobs in Świdnica

Senior Business Analyst to support Frontex in the development and support of IT systems. Requires 5+ years of IT experience, 3+ years in a similar role, a bachelor's degree, and C1 English proficiency. Must possess relevant certifications and experience with business process modeling, requirements analysis, and software development lifecycles.

Senior Data Engineer needed to build and maintain Big data processing pipelines using Spark and Scala. Requires 5+ years of experience with Spark, Scala, Python, and Linux environments. Proven track record of designing data flows and experience with Hadoop ecosystem components.

Freelance Senior QA Engineer to join upcoming IoT projects. 4+ years mobile app testing experience required. Strong English (B2) and experience with test case management tools.

Senior AI Engineer with 5+ years of Python experience needed to develop scalable AI systems, including LLMs and GenAI. Responsibilities include transforming prototypes into production-ready solutions, building backend components, and ensuring code quality. Experience with LLMs, backend frameworks (e.g., FastAPI), and cloud environments (AWS, GCP, Azure) is required.

Shape and grow high-performing engineering teams that build impactful digital products. Oversee both frontend and backend solutions, ensuring technical excellence and continuous improvement. Lead and manage engineering teams, setting technical direction and delivery standards. Partner with Delivery Managers during proposal phases, providing technical expertise and estimations.

Senior Software Engineer will architect and scale backend systems for solar installations. Responsibilities include developing new features, integrating with partners, and building new products. Requires 5+ years of experience in software engineering, proficiency in Java, and excellent communication skills.

Technical Advisory Manager needed to design and propose Data & AI solutions for clients. Requires experience with Microsoft, Databricks, or Snowflake and proven ability to deliver end-to-end analytical projects.

Senior Functional Analyst with 8+ years of Wealth Management experience needed to bridge business and IT on financial systems. Must have strong knowledge of investment products and client processes.

Senior Data Engineer will design, build, and optimize scalable data pipelines for a leading game studio. Responsibilities include data modeling, pipeline automation, performance optimization, and ensuring data quality and compliance. Requires 5+ years of experience in data engineering, proficiency in Python, DBT, Airflow, PySpark, and AWS.

Provide Polish-English customer service support for Booking.com. Resolve customer issues, answer inquiries, and ensure a positive customer experience.

Senior Automation QA Engineer needed for a full-time position (40 hours/week) with a leading food retailer. Requires 5+ years of Java experience focused on backend test automation and quality engineering. Strong understanding of software testing methodologies, protocols, and CI/CD pipelines. Responsibilities include developing test automation frameworks, executing manual and automated tests, and collaborating with cross-functional teams.

As a Product Manager for Supplier Integrations (Airlines), you will research and evaluate potential airline partners, manage integration strategies, and oversee the development and launch of new airline connections. You will collaborate with airline partners, technical teams, and internal stakeholders to ensure successful integration projects.

As an Enterprise Architect for Security, you will define target and transition architectures and roadmaps for security capabilities. You will analyze business and IT objectives, assess new technologies, and recommend solutions to drive the enterprise towards its targeted outcomes. You will collaborate with security, delivery, and infrastructure teams to ensure consistency with the enterprise architecture.

Experienced Master Planner needed for Supply Chain Business Development. Lead end-to-end supply planning, translate demand into actionable plans, and ensure reliable deliveries. Collaborate across departments to optimize capacity, materials, and inventory.

Senior Demand Planner will generate reliable Machine Learning forecasts, validate demand causal factors, and oversee performance monitoring. The role involves collaborating with operating companies, coaching junior planners, and ensuring best practices in demand planning activities.

Full Stack Developer needed for interactive form builder project. Expertise in Golang (backend) and React/TypeScript (frontend) required. Responsibilities include designing, developing, and maintaining backend services and frontend applications, collaborating with teams, and ensuring high-quality code. Experience with Kafka, AWS, Terraform, Kubernetes, and Jenkins is essential.

Senior iOS Developer will design and develop Viber's iOS client, focusing on new features, code quality, bug fixing, and application optimization.

Delivery Service Manager provides expert guidance on complex deliveries, drives efficiency improvements, and mentors others to achieve strategic alignment. This role requires a strong focus on detail and the ability to grasp both global and local business priorities. Responsibilities include defining and owning end-to-end system lifecycle and product roadmap, leading the analysis of complex delivery problems, and identifying strategic opportunities and risks.

Marketing Automation Consultant will implement marketing automation solutions using Salesforce Marketing Cloud. Responsibilities include designing and implementing marketing automation programs, analyzing marketing processes, and collaborating with clients. Requires 2+ years of experience with marketing automation tools, digital marketing knowledge, and strong communication skills.

Senior Data Engineer will design, build, and scale cloud data platforms for clients. Responsibilities include designing data pipelines, leading technical design of cloud data architectures, and collaborating with stakeholders. Requires 4+ years of experience as a Data Engineer, 2+ years with cloud platforms (Azure preferred), strong Python and SQL skills, and expertise in DWH data modeling and ETL/ELT architectures.