1315 English-speaking jobs in Poznań

Senior Backend Kotlin Engineer needed for a client's Search team. Responsibilities include designing, implementing, and optimizing search algorithms. Must have strong backend engineering skills with experience in Kotlin, Go, or Python. Experience with Solr, ElasticSearch, or related search technologies is a plus.

Senior DevOps Engineer will design, implement, and maintain automated build processes and CI/CD pipelines for various projects. Responsibilities include containerization workflows, Kubernetes deployments, infrastructure-as-code, and automation of deployments and environment provisioning.

Senior C#/.NET engineer to design, develop, and maintain backend solutions for a complex, business-critical system. Experience with large enterprise or SaaS platforms, legacy code, and complex technical problem solving required.

N-iX seeks an experienced AI/ML Solution Architect to join our Technology Office. You will lead pre-sales efforts, consult with clients on AI/ML solutions, and architect end-to-end AI/ML systems. This role requires a minimum of 8 years in IT with a focus on AI/ML Engineering, proven experience in customer advisory roles, and proficiency in AI/ML solution design and tools.

Designs and builds AI solutions for clients across the Gulf and Europe, combining LLMs, ML models, and integration patterns. Shapes architectures that align with client standards and fit within existing landscapes. Collaborates with stakeholders to understand requirements and map dependencies. Produces architecture views, integration patterns, and non-functional requirements.

Builds and operates tooling, pipelines, and platforms for the full lifecycle of ML and LLM solutions. Designs and implements CI/CD for ML and LLM pipelines, builds feedback loops, and ensures platform decisions balance speed, control, security, and spend.

Designs, builds, and scales AI-powered features, often using LLMs, retrieval, and classic ML, across use cases such as copilots, document understanding, search, and recommendation. Leads and supports engagements where AI is visible to end users and tied to business outcomes. Works closely with product owners, domain experts, and data and platform teams to frame problems, select AI approaches, and iterate from prototype to production.

Calimala seeks an ML Engineer to design, build, and operate machine learning solutions for clients across the Gulf and Europe. You will work with data engineers, architects, and business stakeholders to develop and deploy robust, reliable, and explainable ML systems.

Full-Stack Software Engineer to design, build, and scale cloud-native applications using JavaScript/TypeScript. Experience with React, Node.js, and databases (MongoDB, Postgres) is required. Collaborate with designers, product owners, and platform teams to deliver features.

Design, develop, and maintain frontend applications using Angular for a new analytics platform serving institutional and individual clients. Implement new features, enhance UI components, and integrate with RESTful APIs.

Leads the strategy and execution of RedStone's data architecture. Manages a team of data and backend engineers, defines data standards, and delivers real-time intelligence for smart contracts.

Senior DevOps CI/CD Pipeline Engineer needed for a leading German solar energy solutions provider. Design, implement, and optimize GitLab Ultimate-based CI/CD environments. Automate deployment pipelines, enhance IT security, and collaborate with development teams. Requires 5+ years of DevOps experience, 2+ years with GitLab Ultimate, and expertise in Terraform, Ansible, Kubernetes, and cloud platforms.

Design and build distributed systems for enterprise AI, focusing on data quality at scale. Architect solutions for multi-tenant data isolation, real-time data quality scoring, and self-healing pipelines. Develop Python services integrating with enterprise systems and LLMs.

Senior DevOps Engineer will develop reusable infrastructure components, improve system performance, and create scalable abstractions. Responsibilities include managing Terraform/OpenTofu modules, CI/CD pipelines, SSO permissions, and observability tools.

Backend and Data Engineer needed for building high-performance RESTful APIs using FastAPI and MongoDB Atlas. Expert in asynchronous web services, MongoDB interactions (pymongo and motor), and data modeling. Experience with AWS services (S3, Lambda, Glue) and OAuth2/JWT authentication required.

Senior Data Engineer will design, build, and scale cloud data platforms for clients. Responsibilities include designing data pipelines, leading technical design of cloud data architectures, and collaborating with stakeholders. Requires 4+ years of experience as a Data Engineer, 2+ years with cloud platforms (Azure preferred), strong Python and SQL skills, and expertise in DWH data modeling and ETL/ELT architectures.

Experienced IT Business Systems Consultant needed for a part-time, permanent hybrid role. Focus on technical support, troubleshooting, and optimization of D365BC and integrated applications. Collaborate with departments to identify needs and propose solutions for greater efficiency and scalability.

Senior Full Stack Engineer will design, develop, and refine key product functionalities and end-user experiences. Responsibilities include writing clean code, building API endpoints, and integrating UI flows with backend logic. Requires experience with i18n libraries, React and TypeScript, Python web servers, and relational databases.

Senior Full-Stack Developer with Optimizely will develop robust, scalable technical solutions and implement automated build and deployment pipelines. Responsibilities include developing features across the stack, writing unit tests, and collaborating with business stakeholders. Requires 4 years of experience in Microsoft .NET/ASP.NET Core and SQL Server, a solid grasp of software design patterns, and experience with full-stack development using C# and web technologies. Familiarity with Agile practices, English proficiency at B2 level or higher, and a passion for GenAI are also required. Experience with React, Serverless/microservices architectures, RESTful APIs on .NET, Headless CMS Optimizely setups, Azure cloud, and Algolia Search is preferred.

Senior Software Tester to join a team building a new e-commerce and marketing platform. Responsibilities include designing and executing manual test cases, establishing test automation frameworks, developing automated test suites, and collaborating with developers and stakeholders. Requires 5 years of software testing experience, including manual and automation, strong knowledge of test design techniques, and experience with automation frameworks and scripting languages.