backend developer English-speaking jobs in Świdnica

Big Data Engineer (Spark/Scala) to design, develop, and implement data processing solutions for a leading global finance company. Requires 3+ years of experience with Apache Spark and Scala (or Java), strong analytical skills, and fluency in English.

The Marketing Manager West Balkans will lead marketing activities across assigned markets, driving value creation and financial impact. Responsibilities include developing and executing marketing plans, collaborating with cross-functional teams, and leading a team of Customer Marketing Managers. The ideal candidate will have a minimum of 7 years of progressive marketing experience, strong commercial acumen, and experience in brand strategy, planning, and performance tracking. Fluency in English is required.

Execute manual testing for web applications and new features. Create and maintain test cases, scenarios, and regression plans. Identify and track defects. Collaborate with developers and product managers to ensure high product quality.

Develop, test, and deploy features for the Allegro Android app, ensuring high quality, performance, and responsiveness. Collaborate with product, design, and engineering teams to define and implement solutions. Participate in code reviews, contribute to technical discussions, and maintain code quality standards.

Business Analyst to join Operations Technology - Fund Services. Full-time, permanent, remote position. Requires 3-5 years of experience in Fund Admin/TA/Investor Services with a strong technical background. Experience in AML/KYC application migration, SQL, and agile delivery environments is essential.

Leads and manages ESG supply chain initiatives globally, focusing on carbon footprint, supplier diversity, and human rights. Engages with clients, stakeholders, and industry bodies on ESG matters.

Administrator to advise on parliamentary business for the ESN Group in the European Parliament. Duties include assisting Members, drafting documents, liaising with other groups and EU institutions, and organizing meetings. Requires a minimum of 3 years of relevant professional experience, a university degree, and fluency in Polish and English.

IT Operations Specialist will support and scale CoreWeave's internal IT environment. Responsibilities include administering identity and access management platforms, managing endpoints, and supporting VDI environments. Requires 4-6 years of experience in IT support or operations, experience with ITSM platforms, and scripting experience in Python, Bash, or PowerShell.

Who we are looking for State Street Bank International GmbH (SSBI) is looking for an Executive Assistant to join our EMEA team which supports senior executives. This is an exciting, challenging and highly visible role.

Software Engineer providing technical support for IT infrastructure, including hardware, servers, and end-user devices. Implement and maintain system changes to improve performance and efficiency. Collaborate with the Service Desk team to resolve incidents.

Operations Manager to oversee Ryanair's Warsaw customer service contact centre. Develop and implement customer service strategies, manage team performance, and optimize operational efficiency.

We seek two QA Engineers to ensure product quality for TradeZella or Coupler.io. Responsibilities include manual testing, investigating customer issues, and collaborating with teams to resolve problems. Expertise in debugging, API testing (Coupler.io), or UX testing (TradeZella) is required. Strong communication and problem-solving skills are essential.

Lead the design, implementation, and support of technology solutions based on business requirements. Manage complex projects using Agile methodologies. Act as the Single Point of Contact for Oracle Finance Modules and Application Products.

Lead the development of next-generation AI foundation models for image and video generation. Shape research direction, guide technical decisions, and mentor a small team of researchers. Co-design and train large-scale diffusion models, build training recipes, and collaborate with engineering to productionize research.

Supports the Global Tax Team in managing multi-jurisdictional tax matters, ensuring alignment with Group strategy, local regulations, and international standards. Analyzes complex transactions and provides tax advice, supporting strategic initiatives, M&A, restructurings, and Audit Committee requests. Prepares tax analyses and recommendations for special projects, including intercompany arrangements and cross-border structures. Identifies process improvement opportunities and supports effective tax risk mitigation. Collaborates with cross-functional teams and contributes to knowledge sharing and continuous improvement within the Global Taxation Team.

IoT Services Engineer will design, build, and support internal business intelligence and analytics platforms. Collaborate with product teams to align standards and ensure their application for digital initiatives. Provide support for connectivity and infrastructure of connected breweries and digital initiatives. Troubleshoot technical issues ranging from basic to moderately complex. Collaborate with support teams to identify patterns in incidents and suggest improvements.

Provides on-site technical support during clinical study procedures, including device preparation, operation, and logistics. Must adhere to study protocols and maintain separation from clinical responsibilities. Requires background in nursing, biomedical, clinical, or technical field with experience working with medical devices in clinical or research settings. Fluency in Polish and working knowledge of English required.

Plan, execute, and optimize paid search campaigns (Google Ads, Bing Ads) for the Polish market. Monitor campaign performance, analyze data, and report results. Collaborate with the marketing team to coordinate digital activities.

Credit Control Specialist with French required to review and approve customer credit limits, analyze creditworthiness, and negotiate credit risk mitigation strategies. Must possess strong communication skills and proficiency in English and French (C1 level).

Intellias seeks a Middle Python AQA to contribute to automated testing for a global manufacturing company's digital ecosystem. Responsibilities include developing and executing automated test scripts, analyzing test results, and collaborating with team members. Requirements include 2 years of AQA experience, strong Python skills (pytest, requests, pandas), API & DB testing knowledge, and experience with GitLab pipelines.