Senior Software Backend Engineer

Location: PolandAbout Us:RTB House is a leading global technology company that specializes in cutting-edge marketing solutions for renowned brands and agencies across the globe. Our proprietary ad-buying engine, the first of its kind, utilizes Deep Learning algorithms to provide advertisers with exceptional results and to effectively meet their objectives at every stage of the marketing funnel.We invite you to join RTB House as the head of our AI Engineering Lab, a team dedicated to driving innovation through the latest advancements in Agentic AI. This position is designed for a proactive engineer and technical leader committed to architecting, developing, and deploying next-generation AI solutions that enhance engineering productivity.

Join our innovative team at inetum2 as a Technical Leader in Artificial Intelligence. In this pivotal role, you will spearhead groundbreaking AI projects, guiding a talented team of engineers and researchers to develop cutting-edge solutions. Your expertise will be crucial in driving our technology strategy and enhancing our product offerings.

Join the forefront of digital security with the world’s leading VPN provider!At Nordsec, we are seeking a passionate and innovative Staff Software Engineer to be a pivotal member of our Threat Protection Pro team. You will be instrumental in developing the NordLynx protocol and contributing to our mission of delivering the fastest VPN experience globally—empowering users to reclaim their online privacy, security, and control.Your contributions will significantly impact: Enabling millions to enhance their online security and safeguard their personal data.

Join hyperexponential (hx) as an AI EngineerAt hyperexponential, we are revolutionizing the insurance industry with our cutting-edge AI-powered platform that facilitates critical decision-making within a $7 trillion sector. Our technology is instrumental in determining which risks to take and how to price them, influencing vital outcomes such as successful space launches, the market readiness of autonomous vehicles, and the recovery of communities post-disaster.Insurance has long relied on antiquated methods for making billion-dollar decisions. We are changing this narrative by integrating data, AI, and human insight, enabling insurers to streamline their processes from submission to decision. Our platform empowers them to act swiftly, make informed choices, and embrace risk with greater assurance.Supported by renowned investors like a16z, Highland Europe, and Battery Ventures, we are expanding our global footprint. Currently, we serve nearly 50 of the largest insurance companies worldwide, maintaining zero churn and facilitating billions in premiums through hx.What started as a singular offering has swiftly transitioned into a multi-product, multi-territory solution that supports all phases of pricing and underwriting. AI is at the heart of our operations, from crafting the first domain-specific AI peer programmer for insurance to creating innovative workflows that redefine industry standards.At hx, we pride ourselves on our people. Here, the impact is determined by the challenges tackled and the dedication shown, rather than titles or tenure. In a collaborative environment that encourages growth, you will engage in meaningful work that challenges you to excel.If you resonate with this mission, we invite you to join us in shaping the future of insurance.About the hxAI TeamAI is integral to our software development and decision-making processes at hx. From large-scale document intelligence to specialized AI peer programming utilized by actuaries and underwriters, hx is pioneering the application of generative AI in the insurance sector.Our AI Platform team is essential to this endeavor, designing, building, and managing the systems that enable safe, scalable AI training, deployment, evaluation, and monitoring. This includes model serving, data pipelines, observability, automation of deployments, and orchestration of computing resources.Collaborating closely with product and research teams, we transform rapid experimentation into reliable, cost-effective, and developer-friendly production systems. Our success metrics include expedited releases, enhanced model performance in real-world applications, and AI solutions that our clients can rely on for critical decision-making.

Join Kpler as a Business Intelligence Data Engineer, where you will play a crucial role in transforming data into actionable insights. You will work with cutting-edge technologies to develop and maintain our data pipelines, ensuring data quality and accessibility across the organization.

Join CD Projekt Red as a Lead Engineer in Localization, where you'll play a pivotal role in shaping the internationalization of our games. You will lead a dedicated team, ensuring that our titles resonate with audiences worldwide. Your expertise in software engineering and localization practices will drive our projects forward, enhancing player experiences across diverse languages and cultures.

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.

Teltonika Networks seeks a Tech Lead or Senior Embedded Linux Software Engineer for its Warsaw office. This position centers on developing and enhancing networking solutions that enable industrial connectivity in fields such as Industry 4.0, Smart Cities, and Green Energy. Role overview This role involves building software for both bare metal and embedded Linux devices. The work addresses complex challenges at the intersection of software and hardware, supporting industrial-grade connectivity equipment like routers, switches, gateways, and modems. These products help power modern infrastructure and automation. What you will do Develop software for bare metal and embedded Linux platforms Tackle challenging problems that involve both software and hardware Research and implement new technologies to keep solutions up to date Integrate with hardware components and embedded systems Coordinate with team members in Warsaw and the headquarters in Lithuania Offer technical guidance and mentorship to colleagues About the products The Networking Solutions division designs and manufactures equipment for industrial connectivity. To see the full product range, visit https://www.teltonika-networks.com/products.

About Box:Box (NYSE:BOX) is the premier provider of Intelligent Content Management solutions. Our innovative platform empowers organizations to enhance collaboration, manage the full content lifecycle, ensure security for vital information, and streamline business workflows using enterprise AI. Since our inception in 2005, Box has simplified operations for numerous leading global firms, including JLL, Morgan Stanley, and Nationwide. Our headquarters is located in Redwood City, CA, with offices spanning the United States, Europe, and Asia.Joining Box means you play a crucial role in advancing our platform. Content is the backbone of productivity; it's the billions of files and data shared across teams, departments, and critical business processes daily—from contracts and invoices to employee records and marketing assets. Our mission is to introduce intelligence into content management, empowering our customers to revolutionize workflows throughout their organizations. With the integration of AI and enterprise content, the potential to reshape the way the world collaborates is immense, and at Box, you'll be at the forefront of this transformation.Why We Need You:Metadata is an essential aspect of the Box Content Cloud, allowing customers to enrich their files with context and transform them into actionable content. Currently, it's employed for organizing, discovering, annotating, securing, and retaining content. The adoption of our Metadata Platform is surging as more Box products, such as Shield, Relay, Sign, and Governance, depend on it, while our clients develop custom applications utilizing its capabilities.However, we have only scratched the surface of its potential. This is where you come in!As we aim to develop a next-generation Metadata Platform, we are seeking a Software Engineer to join our team and make a significant impact. You will collaborate with a talented, friendly group of engineers, tackling some of the most challenging problems as we build the future of intelligent content management in the cloud. Your contributions will directly enhance the productivity of millions of users at some of the most influential enterprises worldwide.Your Responsibilities:Lead design and implementation initiatives for new components of our platform from inception to deployment.Collaborate with cross-functional teams and domain architects on system design and service integration.

Join Nearmap as a Lead Senior Software Engineer on our dynamic API team, where you will spearhead the design, implementation, and delivery of innovative software solutions that align with our business goals. Your expertise will empower our developers to tackle real-world challenges faced by our users.In this pivotal role, you will collaborate closely with the Product team to analyze requirements, design robust software solutions, and elevate the capabilities of the development team through best practices and mentorship. You will have the unique opportunity to contribute to a powerful platform that manages petabytes of aerial imagery, fuels sophisticated AI models, and provides real-time geospatial insights to clients worldwide. Our systems are designed for high performance, scalability, and cutting-edge innovation, managing everything from data ingestion to API delivery and customer applications.This is a rare chance to influence quality practices across an extensive platform integrating high-resolution imagery, AI-driven insights, and scalable data delivery systems while establishing API initiatives in our new Warsaw engineering hub. Your contributions will be instrumental in ensuring the reliability of systems that are transforming decision-making processes across various industries.At Nearmap, we value versatile engineers who possess leadership skills and enthusiasm for overcoming new challenges across the full technology stack as we continue to advance our capabilities.

Discover Your Future with BoxBox (NYSE:BOX) stands at the forefront of Intelligent Content Management, empowering organizations to enhance collaboration, manage comprehensive content lifecycles, secure vital assets, and revolutionize workflows through enterprise-grade AI. Since our inception in 2005, we have simplified operations for major global players such as JLL, Morgan Stanley, and Nationwide. With our headquarters in Redwood City, CA, and additional offices across the globe, we are committed to leading businesses into the AI-first era.At Box, you will have the opportunity to push the limits of our platform. Content is the heartbeat of collaboration, encompassing billions of files and data that flow seamlessly across teams and business functions every day—ranging from contracts and invoices to employee records and financial documents. Our mission is to infuse intelligence into content management, enabling our customers to transform operational workflows. As we integrate AI with enterprise content, the potential to reshape how organizations collaborate has never been more significant, and your contributions will be vital in this transformative journey.Your Role in Our MissionMetadata is integral to the Box Intelligent Cloud, allowing customers to enrich files with context, turning them into actionable content. Currently, our Metadata Platform is pivotal for organizing, discovering, annotating, securing, and retaining content. Its adoption is escalating as various Box products—including Shield, Relay, Forms, Sign, and Governance—leverage it, and our clients continue to develop custom applications around it. However, we have only begun to explore its full potential, and that’s where you come in!We are on the lookout for a Senior Software Engineer to join us on our quest to create a next-generation Metadata Platform. This role will place you at the heart of a dynamic, collaborative, and innovative engineering team, tackling complex challenges as we shape the future of intelligent content management in the cloud. The impact of your work will resonate across millions of users in some of the most significant enterprises of our time.

As a Lead Senior Software Engineer on the API team at Nearmap, you will take charge of guiding developers in the design, implementation, and delivery of innovative software solutions that significantly contribute to Nearmap's business goals and effectively address real-world challenges faced by our users. You will collaborate closely with the Product team to analyze, design, and enhance software solutions while elevating the development team's skills by promoting best practices and providing coaching to help individuals reach their full potential.Your work will directly impact a platform that manages petabytes of aerial imagery, drives sophisticated AI models, and delivers real-time geospatial insights to clients globally. From data ingestion and processing to intelligent API delivery and user-facing applications, our systems redefine performance, scalability, and innovation.This role presents a unique opportunity to influence quality practices across a comprehensive platform that encompasses high-resolution imagery, AI-driven insights, and scalable data delivery systems while helping to establish API projects within our new engineering hub in Warsaw. You will play a vital role in ensuring the dependability of systems that are transforming how industries make pivotal decisions at scale.At Nearmap, we seek engineers who are adaptable, exhibit leadership qualities, and are eager to tackle new challenges across the full stack as we strive to advance technology.

Role Overview Sigma Software Group is seeking a Lead Principal Software Engineer with a focus on Interior Design software. This position is based in Warsaw. The role centers on leading software development efforts that improve both the user experience and the core functionality of interior design applications. What You Will Do Guide and oversee software projects aimed at enhancing interior design tools. Collaborate with cross-functional teams to define technical requirements and deliver high-quality solutions. Ensure development meets rigorous quality standards throughout the project lifecycle. Mentor junior engineers and encourage adoption of best practices within the team. Shape the technological direction of projects, influencing how designers interact with and benefit from Sigma Software Group’s products. Impact Your leadership will help designers create visually impressive and efficient spaces. The solutions developed will support both ease of use and strong functionality for end users.

Join our dynamic API team as a Lead Senior Software Engineer at Nearmap, where your expertise will drive innovative software solutions that align with our business goals. You will lead a talented group of developers in designing, implementing, and delivering impactful software that addresses real-world challenges faced by our users. Collaborating closely with the Product team, you will help design software solutions that enhance our development team's capabilities by promoting best practices and mentoring individuals to reach their full potential.Your contributions will impact a sophisticated platform that processes massive volumes of aerial imagery, powers cutting-edge AI models, and provides real-time geospatial insights to clients globally. Our systems stretch the limits of performance and scalability, from data ingestion and processing to intelligent delivery through APIs and customer-facing applications.This is a unique opportunity to influence quality practices across a comprehensive platform that includes high-resolution imagery, AI-driven insights, and scalable data delivery systems, all while establishing API projects at our new engineering hub in Warsaw. You will play a pivotal role in guaranteeing the reliability of systems that are revolutionizing decision-making across various industries at scale.At Nearmap, we seek engineers who are adaptable, exhibit leadership qualities, and are eager to tackle new challenges across the full stack as we continue to advance technology.

Waymo is revolutionizing the future of transportation with our cutting-edge autonomous driving technology. As a pioneer in this field, we aspire to be the world's most trusted driver. Originating from the Google Self-Driving Car Project in 2009, we have dedicated ourselves to developing the Waymo Driver—The World’s Most Experienced Driver™—which enhances mobility access while aiming to prevent the tragic loss of lives due to traffic accidents. Having completed over ten million rider-only trips and driven autonomously for more than 100 million miles on public roads, we are ready to take the next step in our journey.Join our dynamic Waymo Commercialization team and play a crucial role in shaping the future of transportation! We are seeking an enthusiastic Staff Software Engineer who is eager to contribute to the evolution of our core ride-hailing and fleet management systems.In this hybrid role, you will engage in cross-disciplinary collaboration, working alongside technical teams (mobile applications, cloud backends, and the Waymo Driver) and functional departments (operations, product, legal, partnerships, policy, and privacy) to develop and implement vital infrastructure for our business.

As a Software Validation Engineer III at Collabera, you will play a critical role in ensuring the quality and reliability of our software solutions. You will be responsible for developing and implementing validation strategies, conducting thorough testing, and collaborating with cross-functional teams to enhance product performance. Your expertise will contribute to continuous improvement initiatives and compliance with industry standards.

Join our dynamic team at evooq as a Senior Software Engineer! In this role, you will leverage your extensive experience in software development to design, implement, and maintain high-quality software solutions that meet our client’s needs. You will collaborate closely with cross-functional teams, contributing to all stages of the development lifecycle. If you are passionate about technology and eager to make a significant impact, we want to hear from you!

Join Talan as a Tech Lead in Data Engineering, where you will spearhead innovative data solutions and lead a dynamic team of engineers. This role is pivotal in shaping our data architecture and driving impactful projects that enhance our clients' data capabilities. You will collaborate closely with cross-functional teams, ensuring the effective implementation of data strategies and technologies.

Role overview SmartRecruiters is seeking a Senior Software Engineer with strong Python skills to join the team in Poland. This role focuses on building and enhancing scalable software that supports the company’s product suite. Senior engineers at SmartRecruiters play a key part in shaping technical decisions and work closely with colleagues from various teams. What you will do Design and implement software solutions using Python Work with product managers, designers, and engineers to deliver new features Promote development best practices and contribute to architectural choices Mentor junior engineers and help them grow technically Requirements Experience building scalable applications with Python Comfort working in a collaborative setting that can move quickly Interest in solving practical problems with technology Ability to share knowledge and support less experienced team members