backend developer English-speaking jobs in Świdnica

QA Engineer needed for data validation across pipelines, data lakes, and warehouses. Responsibilities include developing and executing data validation tests, collaborating with engineers on data quality standards, and ensuring data accuracy for reporting and insights. Proven experience in data QA, data engineering workflows, and SQL required.

Senior Asset Manager to lead asset governance, workflow oversight, library organization, and multi-market content delivery. Responsibilities include managing metadata, naming conventions, compliance, asset requests, and workflow optimization. Requires experience as an Asset Manager, Digital Librarian, or related role with strong understanding of metadata, taxonomy, version control, and content governance.

Full Stack / CMS Developer to support and evolve global commercial website platforms. Responsibilities include analyzing business requirements, developing CMS-based platforms, integrating with enterprise systems, and collaborating with analytics and marketing teams. Requires strong programming skills in JavaScript, C#, Java, or PHP, and experience with API design, DevOps, and cloud platforms.

Software Engineer will design and build software products that reach a global customer base. Responsibilities include collaborating cross-functionally to create design artifacts and develop software solutions, contributing to product quality improvements, and leveraging innovative technologies to build payment services.

Principal Software Engineer to build and scale an AI-powered furniture design and shopping platform. Strong experience with TypeScript, Node.js, React, MongoDB, Python, and Generative AI required.

Java Software Engineer to research, evaluate, architect, and deploy software solutions. Must have experience with Kafka and Kubernetes.

Design intuitive, stunning interfaces for leading brands. Create modern UIs, build information architecture, and design interactive prototypes.

Welltech is seeking a Localization Specialist to drive the localization strategy for its wellness apps. The ideal candidate has at least 5 years of experience in the localization industry, experience with TMS, and proficiency in English with knowledge of additional languages. Responsibilities include managing localization budgets, collaborating with cross-functional teams, and overseeing localization efforts for products across 15+ languages.

QA Engineer to create and maintain test documentation, perform functional and regression testing, and identify bugs. Experience with test automation (Playwright), API testing (Postman), and SQL is required.

Project Manager to lead regulatory compliance projects, translating requirements into actionable plans and coordinating with stakeholders. Requires experience in banking, regulatory compliance, and project management.

Develop and maintain high-load backend systems for voting and interaction applications. Design APIs, scale and ensure system stability in AWS, automate deployments and monitoring. Experience with Node.js, TypeScript, NestJS, Fastify, Docker, CI/CD, AWS services (ECS, SQS, RDS, S3, ElastiCache), MySQL, Redis, and scaling principles is required.

Senior Data Engineer to design, build, and maintain scalable data pipelines and analytics solutions using Azure Data Factory, Databricks, Kubernetes, and enterprise databases. Requires 8+ years of experience in data engineering, 5+ years with Azure Data Factory and Databricks, and strong experience with microservices and Kubernetes. Proficiency in Python and SQL (Java required, Scala a plus).

Deliver enterprise-grade CRM projects as a Creatio Consultant. Analyze business processes, design and configure Creatio solutions, and build integrations.

Senior Android Developer will design, develop, and maintain Android mobile applications using Kotlin and/or Java. Responsibilities include collaborating with product, UX/UI, and backend teams, participating in code reviews, and analyzing application performance.

Drive the strategic direction of Haleon's Salesforce ecosystem, shaping architecture and ensuring seamless integration across platforms. Design solutions for a global CRM used by thousands of representatives worldwide.

Designs and operates scalable AI infrastructure for LLM inference, prompt management, and evaluation pipelines. Builds self-service tools and APIs to accelerate AI/ML development cycles. Implements evaluation frameworks and monitoring solutions to improve model performance.

Experienced SAS Testers are needed to validate complex data transformations and ensure reporting accuracy across modern and legacy SAS environments, including Big Data platforms. Responsibilities include creating and executing test strategies, performing data reconciliation, and collaborating with development teams. Strong hands-on experience with SAS programming, data validation, and ETL processes is required. Familiarity with test management tools (e.g., Jira, HP ALM) and a strong analytical mindset are also essential.

Support Analyst needed to provide technical support for production systems. Responsibilities include monitoring system health, troubleshooting issues, and collaborating with teams to resolve problems. Requires basic Linux and SQL knowledge, strong problem-solving skills, and a self-motivated learning attitude.

Senior Data Analyst to analyze and optimize mobile dating app performance. Requires 6+ years of data analysis experience, 2+ years in dating apps, and expertise in SQL, Python, and data visualization tools.

Cyber Security Consultant needed to ensure the effectiveness and compliance of DLP solutions across multiple data channels. Responsibilities include monitoring DLP health, implementing technical controls, designing use cases, and providing advisory support. Requires hands-on experience with enterprise-grade cyber security solutions, preferably in the financial sector.