backend developer English-speaking jobs in Olsztyn

Design, develop, and maintain backend services for a scalable SaaS platform focused on building and scaling agentic AI workflows. Build robust APIs and orchestration pipelines for agent-based AI.

An Applied AI Engineer will design, develop, and deploy AI-powered product features using LLMs and multimodal models. Responsibilities include building and maintaining backend services, developing evaluation frameworks, and implementing agent workflows.

Security Engineer focused on Compliance, Vulnerability, and SaaS technologies. Designs, engineers, implements, and supports security solutions across EY's multi-cloud and on-premises environments. Collaborates with Security Architecture, Service Delivery, and Operations teams to integrate security solutions and promote automation.

Provide 1st and 2nd line remote support for end users (both software and hardware issues). Register, track, and manage tasks using a ticketing system. Prepare, configure, and deploy user workplace equipment.

Multiple premiums may apply if applicable criteria are met. Employment Type: Full-Time Available shifts: Overnight Location: Walmart Supercenter #13042501 WALTON BLVD, WARSAW, IN, 46582, US Job Overview Janitorial associates ensure customers have a great first and last impression of our stores.

Technical Product Owner with cybersecurity expertise will drive product development, bridging Product Management, Security, and Engineering teams. Responsibilities include backlog management, translating security requirements into development tasks, and collaborating with stakeholders.

As an External Regulatory Reporting Controller - Analyst, you will prepare and analyze regulatory reports for the European Central Bank. You will collaborate with business partners and technology teams to ensure data accuracy and compliance.

Experienced IAM Platform Developer needed for a long-term project focused on building and enhancing modern Identity & Access Management solutions in a cloud environment. Responsibilities include designing and developing identity lifecycle processes, building APIs, integrating IAM platforms, and automating deployments. Requires experience with identity orchestration platforms, cloud-native technologies, and security frameworks.

Leads the delivery of AI and automation solutions for HR, covering the full lifecycle from opportunity identification to implementation. Requires experience developing and deploying AI/ML solutions, strong Python skills, and knowledge of ML frameworks.

Finance Manager for Polish entities, responsible for end-to-end finance operations, including accounting, tax, reporting, and budgeting. Requires 5+ years of experience, strong knowledge of Polish accounting regulations (UoR/Polish GAAP), and fluency in Polish and English.

Software Engineer (Python) to design, develop, and maintain backend services for aviation products. Collaborate with product and domain experts to translate requirements into technical solutions. 3+ years (Mid) or 8+ years (Senior) of experience in software development required. Fluent English and comfortable working with international clients.

Applied AI Engineer to design, develop, and deploy LLM and VLM-powered features. Build backend services, evaluation frameworks, and agent workflows. Experience with Python, TypeScript, and LLM applications required.

Senior Python API Developer will design, develop, and maintain production-grade APIs in Python using the FastAPI framework. Responsibilities include building backend services, handling real-time data, implementing API logic, and integrating diverse healthcare data sources. Requires at least 5 years of experience in Python backend development, proven experience with FastAPI, strong SQL skills, and familiarity with asynchronous programming.

Quality Manager responsible for maintaining a Quality System based on Good Distribution Practices and Corporate Quality standards for medicinal products and medical devices. Ensures distribution activities comply with GDP regulations and oversees batch release, returns to saleable stock, and subcontracted activities. Collaborates with local authorities, headquarters, and other departments. Requires a Pharmacy degree, 5 years of experience managing a Quality System, and proficiency in Polish and English.

Cloud Engineer II will design, implement, and manage Azure/GCP infrastructure, automate deployments, and collaborate with teams to align cloud solutions with business needs. Responsibilities include creating and configuring data processing and web application infrastructure, implementing reusable code templates, and ensuring proper connectivity between Azure components.

Experienced embedded C/C++ developer needed for avionic or automotive projects. Must have strong experience with Qualcomm SoCs and BSP development, including bootloaders, kernel bring-up, and device tree configuration. Experience with hardware interfaces (UART, SPI, I2C, CAN, Ethernet) and debugging tools is required.

Lead a team of three designers, managing a creative operation for three brands (Tidio, Lyro, Hubi). Design, produce, and iterate performance creatives for Meta, including static ads, video ads, and AI UGC. Analyze creative performance and translate insights into iterative improvements.

Senior AWS Data Engineer responsible for designing, building, and deploying scalable data infrastructure. Experience with AWS services (Glue, Lambda, Redshift, RDS, S3), data engineering, and Python scripting required. Must have strong SQL skills and experience with data transformation tools (Databricks, Spark).

The Global Mobility Advisor will manage end-to-end relocation processes for international assignments and permanent transfers. The role provides advisory services on assignment structure, policies, and mobility solutions, supporting cross-border scenarios and coordinating relocation services.

Design and deliver AI-enabled solutions, including copilots, assistants, and agentic workflows. Build and support scalable AI platforms and ensure solutions are secure, governed, and enterprise-ready. Contribute to the end-to-end lifecycle of AI solutions, from design and development to deployment and operation.