204 English-speaking jobs in Białystok

Full-stack .NET Developer to design, develop, and maintain scalable web applications using .NET, Angular or React, and relational databases. Requires 3+ years of commercial experience with .NET, proficiency in frontend technologies, and strong understanding of testing, Git, and CI/CD. Fluent English required.

Regional Project Manager will lead preparation and coordination for multiday system downtime and cutover events globally. The role connects teams across Americas, EMEA, APAC, and China to ensure consistent planning, communication, and execution.

Svitla Systems Inc. seeks a Middle/Senior ML/AI Engineer to develop and deploy AI applications for supply chain risk management. Responsibilities include building and maintaining AI pipelines, training and fine-tuning models, and operating AI systems in production. Requires 3+ years of experience delivering production AI/ML systems, strong Python, SQL, and software engineering fundamentals, and proven experience with LLM applications.

QA Engineer to design, develop, and execute manual and automated tests for cloud-native security services. Requires 3+ years of QA experience, strong AWS skills, and experience with CI/CD testing.

Atlassian Specialist needed for analysis, troubleshooting, and implementation of technical solutions. Requires higher education in IT or related field, knowledge of Atlassian tools (Jira, Confluence, Bitbucket), and experience as an Atlassian applications administrator.

Test Specialist to design, document, and execute test cases for software systems. Requires minimum 5 years of test automation experience, ISTQB Advanced certification or 3 years of test design experience, and Bachelor's degree in ICT or equivalent. Must have experience with Azure Devops Test Plans, coding in Python, Java Script, Type Script, VBS, Playwright, SQL queries, and SharePoint applications.

Senior Data Scientist will design and implement data science models to solve business cases for clients. Responsibilities include analyzing datasets, developing data-driven strategies, and applying machine learning techniques to improve forecast accuracy. Requires 3+ years of experience in data science, statistical modeling, and analytics solution development. Proficiency in Python and SQL is essential.

Senior PHP Developer for a 6-month freelance contract. Develop backend systems for an enterprise transformation project, utilizing PHP 8, Symfony, DDD, TDD, and microservices. Collaborate with cross-functional teams and implement CI/CD pipelines.

Lead Python Engineer to design, develop, and maintain scalable finance-focused backend solutions using Python 3.1x, Flask, and AWS services. Integrate external systems, APIs, and work with Product Managers to solve customer problems. Must have strong Python skills, experience with AWS, and automated testing.

Senior Penetration Tester needed with proven experience identifying and exploiting security weaknesses across diverse systems. Expertise in advanced penetration testing methodologies, tools, and reporting required. Deep understanding of embedded security attack vectors and secure communication protocols is essential. Strong analytical, problem-solving, and communication skills are crucial.

Configure and operate time-series database infrastructure, develop and optimize stream-processing pipelines, and automate build and deployment processes.

Develop a React Native mobile application for an intelligent home comfort management system. Requires 2+ years of experience with React Native, JavaScript (ES6), TypeScript, and state management libraries. Experience with RESTful APIs, Git, and CI/CD pipelines is necessary. Proficiency in English (B2+) is required. Experience with IoT/Smart Home solutions and Azure is a plus.

Senior .NET Developer to design, build, and maintain backend software for a digital installation management system. Experience with C#/.NET, PostgreSQL, REST APIs, and Azure is required.

ServiceNow UI Builder Developer needed to design and develop custom UIs using UI Builder and Now Experience Components. Experience with JavaScript, Angular/React, and ServiceNow CMDB is required. Proven track record in UI Builder projects and ServiceNow certification preferred.

ServiceNow ITOM Developer to design, develop, and optimize solutions within IT Operations Management. Experience with JavaScript, Flow Designer, CMDB/Discovery fundamentals, and ITOM modules required. Senior level requires strong expertise in ITOM modules and integrations.

Data Engineer to develop and optimize ETL processes in Snowflake using dbt Cloud. Will create documentation, participate in Scrum meetings, and consult with the team on code implementation.

Lead the design and delivery of enterprise-grade geospatial architectures, integrating satellite imagery and AI analytics into client systems. Build cloud-based GeoAI platforms and orchestrate cloud-native data workflows.

Solution Train Engineer (STE) orchestrates large-scale solution delivery within a Fabric Operating Model. Leads multiple Agile Release Trains (ARTs) and external suppliers, ensuring alignment and value delivery. Drives strategic alignment, shapes complex system delivery, and fosters a collaborative culture. Expertise in SAFe, Scrum, Agile frameworks, and DevOps practices is required.

Senior Backend Developer will design, develop, and maintain robust cloud-native microservices using TypeScript and Node.js within the AWS environment. Responsibilities include integrating with APIs, hardware, and ensuring system reliability through automated testing.

Lead Data Engineer will design and implement scalable data architectures, build data preprocessing pipelines, and optimize data structures. Requires a Master's degree in a relevant field and 6+ years of experience in Data Engineering and Big Data. Proven experience with Databricks platform and Apache Spark is essential.