Completion engineer jobs in Poland

 ...solutions, is seeking a highly skilled and experienced Senior QA Engineer (Manual + Automation) to join our dynamic team on a full-time...  ...cases to business requirements and functional designs, ensuring complete traceability. Document and report defects, verify bug fixes,... 

 ...everything to do with the trading backend services such as the matching engine, market data gateways, internal and external APIs, and various...  ...or knowledgeable about crypto. We may ask candidates to complete job-related skills or work-style assessments as part of our... 

 ...analytical, connection-obsessed, and systems-minded System Support Engineer to manage, scale, and optimize our internal network...  ...switches, routers, firewalls, and wireless hardware setups. Shifting completely away from plain website layout adjustments, basic client... 

 ...analytical, detail-obsessed, and infrastructure-minded Lead Systems Engineer to join our core centralized Edge Network division in a full-...  ..., and optimizing our distributed server clusters. Shifting completely away from routine visual template skinning, basic web-form... 

 ...We are seeking a highly technical, systems-minded Senior QA Engineer with a strong software verification background to join our core...  ...: Architect and execute comprehensive test plans tracking the complete message lifecycle—from admin web actions through gateway APIs down... 

 ...greatest potential. Title and Summary Manager, Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to...  ...any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with... 

 ...greatest potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to...  ...any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard... 

 ...long-running workflows, persistent context, and real-world task completion. The system must handle multi-step reasoning, interact with...  ...~90% reduced time. Role We are looking for a Full Stack Engineer - AI Systems to build the product layer that turns these capabilities... 

 ...analytical, connection-obsessed, and systems-minded AI Systems Engineer to join our decentralized core Operations matrix under a high-...  ...them into working, high-revenue automated pipelines. Shifting completely away from routine script tinkering, passive chatbot prompt... 

 ...and manual testing to validate new features, edge cases, and customer journeys. Collaborate closely with frontend and mobile engineers throughout the software development lifecycle. Review product requirements and identify quality risks early in development.... 

 ...electrical schematics concerning plumbing and HVAC. Display advanced engineering operations skills and general mechanical ability. Display...  ...maintenance problems, safety hazards, accidents, or injuries; complete safety training and certifications; and properly store... 

 ...real-time datasets across both human and automated agent architectures. Why You'll Love This Role As a Senior Site Reliability Engineer at Cribl, you will join our expanding engineering team in Poland. Our SREs are involved from early conception to architectural... 

 ...provisioning, grants, backups, restores, health checks, and ownership metadata. Help build DBaaS-style self-service capabilities so engineering teams can request databases, access, credentials, and operational checks with less manual DBA intervention. Improve observability... 

 ...node and a pbm CLI. Mature and widely deployed in production. What you will work on Primary, on PCSM The core replication engine: initial collection cloning followed by continuous change capture over MongoDB Change Streams, with correct handling of resume... 

About This Role Own and continuously improve product quality by testing new features, identifying defects, creating automated tests, recommending process and product improvements, and developing strong feature and product knowledge. Key Responsibilities Perform ...

 ...enterprises to build web, mobile, and software surfaces that are completely compliant and usable for individuals with disabilities. By...  ...highly motivated, systems-fluent, and defense-minded Security Engineer to join our centralized Information Security division under a... 

 ...financial transactions every month across multiple providers, regions, and products. We are looking for an experienced OpenSearch Engineer to own and scale our AWS OpenSearch infrastructure and the pipelines that synchronize data from PostgreSQL . You will be... 

 ...we build it. We're looking for a world-class Senior Frontend Engineer to join our product-minded engineering team: we care about customer...  ...or knowledgeable about crypto. We may ask candidates to complete job-related skills or work-style assessments as part of our hiring... 

 ...learning innovator, and enterprise SaaS trailblazer on an absolute mission to completely reshape how multinational travel spending is managed, optimized, and audited worldwide. By engineering advanced cloud-native architectures that eliminate obsolete, manual legacy systems... 

 ...policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.... 

 ...policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.... 

 ...maintains a transparent, merit-based workspace focused on elite engineering craftsmanship. Position Overview We are seeking a highly...  ...compensation metrics along with standard financial checkups. Complete Hardware & Software Provisioning: Full corporate shipment of... 

 ...distribution channel management leader on an absolute mission to engineer next-generation software platforms for the global lodging and...  ...scaling a brand-new product ecosystem from scratch. Shifting completely away from routine heritage software updates, legacy template... 

 ...About the Role: We're looking for a Software Engineer who uses AI as a core part of the development process to build, understand, and maintain complex software systems. You'll join a team working on a large ecosystem of interconnected services, shared libraries... 

 ...long-running workflows, persistent context, and real-world task completion. The system must handle multi-step reasoning, interact with...  ...enjoyable with over 90% reduced time. Role As an iOS Software Engineer, you own the iOS client experience, how AI feels, responds,... 

 ...Establish best practices for code quality, testing, documentation, and deployment pipelines Mentor developers, review code, and drive engineering excellence across the team Requirements Proven track record of playing a key role in building and shipping IT products or... 

 ...policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.... 

 ...Management) improvements as well as preparing commercial underwriting documentation before handing it over to senior analysts for completion. This includes, but is not limited to: · Daily read of Factiva/CreditEdge customer related news and regulatory website to... 

 ...In-depth knowledge of relational databases, SQL , BI , reporting, ETL , data modelling, OLAP , and data mining tools Completed at least one full software development lifecycle Expert in developing enterprise-level software systems within the specified technology... 

 ...We are seeking a highly sophisticated, systems-minded Software Engineer III, Backend to join our core Orchestration product group in a...  ...engineering seat, you will work within a small, elite cell that claims complete technical ownership of backend features from initial scoping...