Senior Software Engineer at Complexio | Warsaw, Poland

WHAT IS BOXBox Inc. (NYSE:BOX) is at the forefront of Intelligent Content Management, revolutionizing how businesses manage their content and foster collaboration. Our innovative platform empowers organizations to secure critical content, streamline business workflows, and leverage enterprise AI to drive success in the AI-first era. Since our inception in 2005, we have simplified operations for leading global firms such as JLL, Morgan Stanley, and Nationwide, with our headquarters located in Redwood City, CA, and offices throughout the United States, Europe, and Asia.By becoming a part of Box, you will play a pivotal role in driving our platform's evolution. Content is the lifeblood of modern work, comprising the myriad files and information exchanged across teams and departments daily. Our mission is to infuse intelligence into content management, enabling our customers to transform their workflows entirely. With the integration of AI and enterprise content, the potential to reshape how organizations collaborate has never been more significant, and at Box, you'll be at the forefront of this transformation. WHY BOX NEEDS YOUAs Box continues to scale its AI capabilities and internal analytics, we are looking for experts to harness these tools to drive smarter business decisions.You will be responsible for designing and deploying AI agents and operational solutions that bolster both IT and business workflows. These agents will be crafted to minimize inaccuracies while prioritizing security in their modeling, data processing, and decision-making. Additionally, you will build and maintain MCP servers and developer tools that yield actionable data insights, facilitating prompt actions for teams. Ultimately, your contributions will link secure, reliable infrastructure with practical AI capabilities, enhancing informed and low-risk decision-making throughout the organization.WHAT YOU’LL DODesign, develop, and implement AI agents to automate and enhance IT and business workflows, ensuring reliable outputs.Establish model validation, monitoring, and fail-safe systems to identify and mitigate incorrect or risky agent behaviors.Architect secure data handling pipelines for data ingestion, storage, access control, and encryption to protect sensitive information.

Join Box as a Senior Software Engineer!At Box, we are revolutionizing the way organizations manage content. As the leader in Intelligent Content Management, our platform empowers businesses to collaborate, streamline workflows, and secure vital content through the power of enterprise AI. With a global clientele that includes industry giants like JLL, Morgan Stanley, and Nationwide, we are dedicated to transforming the workplace experience for our customers.By becoming part of Box, you will play a crucial role in advancing our eCommerce platform, which is pivotal for enabling customers of all sizes to purchase and manage their Box subscriptions through self-service solutions. This initiative not only supports our expansion into new international markets but also enhances our pricing and discount mechanisms to drive business growth. Your contributions will directly impact a significant portion of Box's revenue, making reliability and performance critical to our success.Your Responsibilities:Design and develop high-quality, scalable, and responsive software using cutting-edge technologies.Write clean, maintainable code adhering to industry best practices.Collaborate effectively with cross-functional teams including Designers and Product Managers to deliver exceptional user experiences.

About BoxBox (NYSE:BOX) stands at the forefront of Intelligent Content Management, revolutionizing how organizations collaborate and manage their content. Our innovative platform empowers businesses to secure and streamline their entire content lifecycle and transform workflows using enterprise AI. Established in 2005, Box simplifies operations for leading global companies, including JLL, Morgan Stanley, and Nationwide. Our headquarters is in Redwood City, CA, with offices across the U.S., Europe, and Asia.By joining Box, you will play a pivotal role in advancing our platform. Content is the backbone of business operations, encompassing millions of files and information shared across teams daily—contracts, invoices, employee records, and more. Our mission is to inject intelligence into content management, enabling our customers to revolutionize workflows within their organizations. With AI and enterprise content, we are uniquely positioned to transform how the world collaborates, and at Box, you will be at the forefront of this significant transition.Why Join Us?Box is experiencing rapid growth, and every organization is eager to modernize its operations. As a leader in Intelligent Content Management, Box is well-placed to assist enterprises in transforming collaboration—whether on-site or remote. We aim to ensure our Search capabilities are second to none, allowing users to find necessary content swiftly, accurately, and intuitively. As a product leader for Box Search, you will define the vision and development of essential features that empower our users to locate and access their content with speed and precision.Your responsibilities will encompass understanding the varied needs of our admin and end-user personas, crafting intuitive customer experiences—including APIs—and delivering solutions that meet the performance, resilience, and security standards our enterprise clients rely on. You will collaborate closely with our talented Search engineering team based in Poland.Key ResponsibilitiesFormulate the product strategy and roadmap for Box's Search functionalities, pinpointing opportunities to improve content discoverability, search relevance, and user experience.

Box creates Intelligent Content Management solutions that support collaboration, content lifecycle management, and information security for organizations worldwide. Since its founding in 2005, Box has worked with companies such as JLL, Morgan Stanley, and Nationwide. Headquartered in Redwood City, California, Box also maintains offices across the United States, Europe, and Asia. Every day, Box manages millions of files and data exchanges, including contracts and HR documents. The company’s mission centers on bringing intelligence to content management, enabling customers to streamline business workflows. Engineers at Box play a key role in applying AI to real-world collaboration challenges. Role overview The Relay Experience team in Warsaw focuses on improving workflow automation for Box users. Relay automates routine tasks for many large enterprises, helping users save time and maintain consistency across processes. This team is seeking a Senior Software Engineer who will take ownership of major system components, contribute independently, and help refine the experience for millions of Relay users each day.

Join Box Inc. as a Senior Fullstack Software Engineer and take the next step in your career! We are looking for an experienced engineer who is passionate about building scalable web applications and innovative solutions. In this role, you will work collaboratively with cross-functional teams to design, develop, and maintain high-quality software that meets the needs of our clients.

Oversee the technical management of SimCorp Dimension along with associated enterprise applications.Diagnose and resolve incidents within stipulated operational timelines.Conduct routine software updates and maintenance tasks.Ensure technical documentation is maintained and regularly updated.

WHAT IS BOX? Box (NYSE:BOX) stands at the forefront of Intelligent Content Management. Our innovative platform empowers organizations to enhance collaboration, manage comprehensive content lifecycles, safeguard essential data, and revolutionize business workflows with enterprise AI. In this new AI-first business landscape, we enable companies to flourish. Established in 2005, Box simplifies operations for some of the world's leading organizations, including JLL, Morgan Stanley, and Nationwide, with our headquarters located in Redwood City, CA, and offices in the U.S., Europe, and Asia.Joining Box means you will play a pivotal role in advancing our platform. Content is the backbone of daily operations, encompassing billions of files and information shared across teams and departments—ranging from contracts, invoices, employee records, to marketing assets. Our mission is to infuse intelligence into content management, enabling our customers to entirely transform their workflows. With the integration of AI and enterprise content, the potential to reshape how the world collaborates has never been more significant, and at Box, you will be at the forefront of this transformative journey.WHY BOX NEEDS YOUBox Apps is transforming how enterprises utilize content by delivering an intelligent no-code builder that facilitates automation, orchestration, and faster decision-making. We are investing in our Warsaw hub to scale this innovative product globally. As a Senior Software Engineer, you will spearhead projects from conception to production, elevate engineering standards, and influence our technical strategy for a rapidly expanding product utilized by thousands of customers.WHAT YOU’LL DOTake the lead in designing and delivering complex, user-facing features and platform capabilities for the Box Apps frontend.Collaborate closely with product, design, and backend teams to define APIs, data contracts, and seamless end-to-end experiences.Drive the creation of technical specifications, architectural reviews, and design documentation that prioritize speed, quality, and maintainability.Advocate for reliability through rigorous testing (unit/integration/e2e), performance profiling, and observability.Mentor fellow engineers through pairing sessions, design reviews, and constructive feedback, enhancing team practices.Break down complex problems, develop roadmaps, and deliver iteratively in line with quarterly objectives.

Location: Poland About Us: RTB House is a leading global company that specializes in providing cutting-edge marketing technologies for renowned brands and agencies worldwide. Our unique ad-buying engine stands out as the world's first fully Deep Learning-powered platform, enabling advertisers to achieve exceptional results and meet their objectives throughout every stage of the marketing funnel. We are currently seeking talented engineers to join our Platform Engineering team within the Bidding Platform structure. If you have a passion for system-related topics such as deployment, monitoring, databases, and load balancing, along with experience in leading complex project specifications and coordinating team efforts, we want to hear from you! This is an excellent opportunity for those eager to tackle technically challenging and sophisticated solutions.

Engage in operational and maintenance tasks, particularly within our Windows Server Guard system, addressing incidents, implementing changes, and handling non-standard tasks in our ITSM platform.Document the solutions you develop to build a knowledge base.Utilize your problem-solving skills to tackle technical challenges effectively.Conduct performance analysis to optimize system efficiency.

Join HelloFresh in Warsaw as part of our HelloTech organization, a vital segment of our global technology team comprising over 1000 professionals. We are dedicated to developing digital products that enhance the end-to-end food experience, encompassing meal kits, ready-to-eat meals, and even specialty items like pet food and premium meat & seafood. Our technology platforms empower millions of customers with personalized food solutions every month.Our direct-to-consumer subscription model is fueled by cutting-edge technology that optimizes every customer interaction—from engaging applications and personalization algorithms to pricing strategies and supply chain management. Although our brands operate independently to cater to diverse customer needs, they are unified by shared platforms, data, and operational excellence crafted by HelloTech.At HelloTech, we work in autonomous, cross-functional teams that take ownership of specific products and domains. By collaborating with our Warsaw office, you will contribute to scalable, data-driven products used across various markets, leveraging a modern tech stack and working with international teams to continuously enhance how our customers discover, order, and enjoy HelloFresh products now and in the future.

Join Complexio, a pioneering joint venture at the forefront of AI innovation, dedicated to streamlining business processes through advanced automation. Our Foundational AI platform leverages comprehensive enterprise data—both structured and unstructured—to enhance productivity and drive intelligent decision-making.With a collaborative team of experts from diverse fields, we utilize proprietary models and knowledge graphs to optimize human-computer interactions and execute complex workflows autonomously at scale. Our mission is to redefine enterprise efficiency through context-aware, privacy-first automation.If you are passionate about harnessing AI and advanced technologies to transform business processes and are eager to contribute to a dynamic project, we invite you to apply!

CoreWeave, the essential cloud for AI™, is built by pioneers for pioneers. We provide a robust platform of technology, tools, and teams that empower innovators to confidently build and scale AI solutions. Trusted by top AI labs, startups, and global enterprises, CoreWeave combines exceptional infrastructure performance with extensive technical expertise to accelerate innovation and transform computing capabilities. Since our establishment in 2017, we have become a publicly traded company (Nasdaq: CRWV) as of March 2025. Discover more at www.coreweave.com.We are proud to be recognized as a Living Wage accredited employer.

We are looking for an experienced Senior System Administrator to join our dynamic team at inetum2 in Warsaw. In this role, you will be responsible for managing and maintaining our IT infrastructure, ensuring optimal performance and security for our systems. You will collaborate with cross-functional teams to implement upgrades, troubleshoot issues, and provide technical support to our users.

Join Euronet Worldwide, a leader in electronic payments and transaction processing, as a Financial Analyst. In this role, you will play a critical part in analyzing financial data, preparing reports, and supporting strategic decision-making processes. This is an exciting opportunity to contribute to the financial health of a dynamic and growing organization.

Join Fairmarkit as a Senior Frontend Engineer and be a key player in revolutionizing the procurement process. You will design and implement user-centric web applications that elevate the user experience. Collaborate with cross-functional teams to create scalable and maintainable solutions while ensuring high performance and responsiveness.

Join Hostinger as a Pricing Manager and play a pivotal role in shaping our pricing strategies. You will work alongside a dynamic team to analyze market data, set competitive prices, and enhance our revenue models. Your insights will drive our pricing decisions, ensuring we remain competitive while maximizing profitability.

Join Complexio, where we are revolutionizing enterprise AI by developing an intelligence layer that automatically connects and enhances understanding of an organization’s personnel, processes, and systems. Our innovative platform processes both structured and unstructured data to create a dynamic Event Knowledge Graph, orchestrating a variety of AI models to discover hidden workflow enhancements and facilitate autonomous actions.As a Senior Full Stack Engineer, you will be at the forefront of shaping the user experience for thousands of enterprise users. Collaborating with a talented team of software engineers, data scientists, product specialists, and business analysts, you will help design next-generation web applications that bring our state-of-the-art automation capabilities to life. Your contributions will be vital in transforming complex data insights into user-friendly, efficient, and scalable interfaces, connecting advanced AI infrastructure with tangible business results.If you have a passion for integrating sophisticated front-end engineering, full-stack product development, and cutting-edge enterprise AI solutions, and thrive in a fast-paced, highly technical environment, we invite you to apply!

Location: Poland About Us: RTB House is an innovative global leader in marketing technology, dedicated to developing cutting-edge solutions for esteemed brands and agencies around the globe. Our unique ad-buying engine, driven entirely by advanced Deep Learning algorithms, empowers advertisers to achieve remarkable results and meet their objectives across all stages of the marketing funnel. Since our inception in 2012, we have expanded our operations to over 90 markets while maintaining a steadfast commitment to first-party advertising and continuous innovation. RTB House provides comprehensive, Deep Learning-powered AdTech products and solutions designed to enhance conversion rates, drive customer acquisition, foster engagement, and stimulate long-term demand for a diverse clientele worldwide. Your Role: We are seeking a Senior Software Engineer to join our team in designing, developing, and fine-tuning high-performance backend systems that facilitate real-time bidding (RTB) and machine learning at scale. You will be instrumental in creating software that manages billions of daily transactions, ensuring adherence to stringent latency and reliability requirements within a distributed, low-latency environment.

SoftwareMind is looking for a Data Engineer based in Warsaw. This role centers on designing, building, and maintaining data pipelines that help drive informed decisions throughout the company. Key responsibilities Create and manage data pipelines that integrate information from multiple sources Monitor and support data quality and reliability at every stage Collaborate with team members to deliver solutions aligned with business needs Requirements Strong grasp of data engineering principles Comfort working closely with others in a collaborative setting Interest in building systems that support data-driven decisions