ruby English-speaking jobs in Lublin

Python Developer needed to design, build, and test web applications using FastAPI. Experience with relational databases (e.g., PostgreSQL), REST APIs, WebSockets, and CI/CD pipelines is required. Must have strong Python skills (3+ years) and fluency in English and Polish.

Software Engineer will build and maintain developer tooling, design and improve CI/CD pipelines, and develop and manage AWS cloud infrastructure. Responsibilities include partnering with application engineers to identify and solve problems, write production-grade code, and support application teams. Requires a BS/BA degree in Computer Science with 5+ years of relevant experience, strong programming skills in TypeScript/JavaScript or Python, and experience building and operating solutions in AWS.

Build AI-powered infrastructure for VC and PE firms, including agentic AI systems, full-stack applications, and data platform engineering. Translate business needs into technical solutions and own delivery end-to-end. Must have experience shipping production AI/LLM systems and proficiency in an AI-native coding workflow.

Freelance AI Engineer needed to integrate AI features into existing Node.js, Ruby, Python, React, or React Native applications. Experience with LLM APIs, vector databases, and AI tooling (LangChain, LlamaIndex, Vercel AI SDK) required.

The Head of Legal will develop and execute legal strategies, manage legal risks, ensure compliance with laws and regulations, and protect intellectual property rights for an international holding company.

Develop installers for Dynatrace agent, ensuring seamless operation on Windows, Linux, and AIX. Create container images for Kubernetes and OpenShift, and develop tools for process management, installation health checks, and automatic updates.

Senior Integration Engineer will ensure stability and continuous improvement of enterprise integrations across SAP CPI, Event Mesh, API Management, SAP BTP, and CPI Data Services. Responsibilities include monitoring, troubleshooting, and optimizing interfaces, embedding DevOps practices, and collaborating with cross-functional teams.

Leads a team of recruiters/administrators in all aspects of people management, coaching, and mentoring. Responsible for planning and executing campus recruitment activities, managing stakeholder relationships, and overseeing team performance and development. Ensures recruitment services are delivered in line with contractual obligations and client service level agreements. Collaborates with hiring managers, campus recruitment team, and internal stakeholders. Must be fluent in English and German.

Data Architect to build a next-generation cloud data and AI platform on AWS. Define and evolve the end-to-end data platform architecture, including ingestion, lakehouse/warehouse, orchestration, governance, and AI enablement.

Shopify Developer will deliver end-to-end technical execution of custom Shopify themes and frontend solutions. Responsibilities include developing frontend solutions using Liquid, JavaScript, React, Tailwind, and GraphQL, and working with Shopify platform best practices.

Leads implementation and support of the 1-2-1 application, translating business needs into technical solutions across CRM, loyalty, and connected touchpoints. Ensures application integration with CRM platforms and other consumer touchpoints.

Tech Lead ML Engineer to architect and implement LLM-powered systems. Responsibilities include designing meta-prompts, integrating Vector Databases, and mentoring developers. Requires strong Python and TypeScript skills, experience with LLM APIs, and a deep understanding of meta-prompting.

Senior SAP ABAP Developer will design, develop, and optimize SAP functionalities. Responsibilities include architecting solutions, developing ABAP code, implementing integrations, and resolving technical challenges. Requires 5+ years of experience, strong ABAP skills, and expertise in at least two SAP modules. Fluency in English and Polish is required.

Develop compact, manufacturable, and thermally efficient medium-frequency magnetic solutions for transformers and magnetic assemblies. Translate electrical performance and system requirements into mechanical architectures ensuring performance, reliability, and cost-optimization.

Lead and scale marketing automation strategy, designing, implementing, and optimizing automated campaigns across various platforms. Manage customer journey orchestration, segmentation, and performance tracking. Collaborate cross-functionally to deliver integrated marketing initiatives.

Senior Solution Architect will design and govern the architecture of AI-driven digital transformation, connecting product and manufacturing data using semantic technologies. This role requires 10+ years of experience in solution architecture, hands-on experience with AI/LLM systems, and expertise in data architectures, APIs, and manufacturing data ecosystems.

Snowflake Developer with SSIS expertise needed for a 6-12 month contract. Design, develop, and optimize data models and ETL processes using Snowflake. Experience with data migration from SQL Server to Snowflake and integrating Snowflake with other data sources is required. Proficiency in SSIS, Azure DevOps, and Python is essential.

QA Engineer roles available, one focused on front-end (Salesforce, UI testing) and the other on back-end (API testing, SQL, microservices). Collaborate with engineering teams on new features, test planning, execution, and release sign-off.

Offensive Security Engineer needed for a hybrid role combining intake coordination and penetration testing. Lead and execute penetration tests, manage the testing queue, and collaborate with stakeholders to identify security gaps and drive improvements. Requires 2+ years of security testing experience, scripting abilities, and experience exploiting vulnerabilities in various domains.

Investigate potential matches generated from automatic screening of securities settlement instructions against sanctions lists. Analyze and investigate parties to screened transactions and static data. Record evidence of the decision-making process. Participate in process enhancement and risk reduction initiatives.