Senior C# .NET Developer

About Us At Hitachi Digital Services, we are a pioneering force in the global digital solutions landscape, committed to unlocking the immense potential of our world. Our people-centric approach empowers us to create meaningful change daily—whether it’s shaping future-ready urban spaces, conserving vital natural resources, safeguarding rainforests, or enhanci…

Endava seeks a Senior Java Developer based in Krakow to join teams working on client software projects. This position centers on hands-on Java development and close cooperation with colleagues from various backgrounds. Role overview The Senior Java Developer will build and maintain reliable Java applications. The work involves designing solutions, writing code, and ensuring software meets client needs. Collaboration with cross-functional teams is a core part of the job. What you will do Design, develop, and maintain Java applications Work with teams across disciplines to deliver software that matches client requirements Share technical expertise to help improve project outcomes and efficiency Requirements Solid experience working with Java Ability to collaborate effectively in a team Dedication to delivering high-quality software

Role overview Endava is looking for a Senior Java Developer based in Krakow. The role centers on designing and building software solutions that support business goals and enhance user experience. Hands-on Java development is a core part of this position, with a focus on creating reliable and maintainable applications. What you will do Take part in the entire software development lifecycle, including requirements gathering, design, coding, deployment, and maintenance Develop and implement applications using Java Work closely with team members to deliver solutions that meet business needs Maintain a strong focus on code quality and application performance throughout each stage of development Growth and team This role provides opportunities to work on complex projects in a collaborative environment, supporting ongoing skill development and teamwork.

Join Our TeamAt Hitachi Digital Services, we are on a mission to empower positive changes in the world through innovative digital solutions. Our vision focuses on the potential for transformation in urban spaces, environmental conservation, and life-saving technologies. By harnessing our collective expertise and cutting-edge technology, we help our clients navigate from the present to a bright future.We value diversity in experiences and perspectives, believing that your unique journey can contribute to our shared success.Your RoleCollaborate proactively with teams across the organization to address and resolve customer and team challenges.Analyze product usage data from live environments to devise strategies for optimizing operational costs and enhancing application maintainability.Identify performance bottlenecks in applications and propose solutions to ensure optimal performance, quality, scalability, security, and responsiveness.Contribute ideas to reduce costs in IT and business operations.Design, document, and implement technical solutions for various systems, while considering integration, maintenance, and migration aspects.Ensure the efficiency, security, and alignment with the organization's goals.Create compliance architecture methods, including data storage, metadata management, and change control.Plan, execute, and document unit tests, providing regular status updates and addressing issues.Work collaboratively with third-party engineers and tools.Act as the escalation point for all technical issues within projects.Demonstrate effective communication and teamwork skills, able to discuss technical challenges and approaches confidently with clients.

Join our innovative team at Nordsec as a Mid-Senior Backend Engineer specializing in Go. In this role, you will be responsible for designing and implementing robust backend solutions that drive our platform's performance and scalability. Collaborate with cross-functional teams to enhance our technology stack and deliver high-quality software solutions. Your expertise will contribute to our mission of providing secure and efficient digital services.

What We’re SeekingWe are in search of a Senior Android Engineer who is enthusiastic about crafting stunning, dependable, and high-performance applications that provide exceptional user experiences. As a hands-on engineer, you will contribute top-notch code and elevate the engineering standards within our team.Join our Core Product Team, where you will help enhance and expand the ARQ experience—from our premier Android application to new product launches such as Premium, Credit, and various other financial solutions on our roadmap.Key ResponsibilitiesDesign and develop outstanding Android applications that users adore and trust.Write clean, maintainable, and high-performance Kotlin code utilizing contemporary Android tools and frameworks.Work closely with Product, Design, and Backend teams to implement features from inception to completion.Influence the architecture and development of the Android app as it continues to grow.Take ownership of features from conception through to launch, ensuring quality, refinement, and performance.Assist in enhancing code quality, testing, and development best practices within the team.Required QualificationsOver 5 years of experience developing Android applications for large user bases.Deep understanding of Kotlin and the Android ecosystem (Jetpack, Coroutines, Compose, etc.).Proficient in architecture patterns (MVVM, MVI, Clean Architecture) and testing frameworks.A strong sense of ownership and meticulous attention to detail in creating user-facing products.A passion for superior UX and product quality.Experience in fast-paced environments, preferably in fintech or consumer tech startups.Why You’ll Love Working HereAttractive salary package.Equity options, allowing you to own a piece of what you create.Performance bonuses (equity options).Generous paid vacation.Access to cutting-edge tools and technologies.Collaborate with a world-class team that will challenge and enhance your skills.The chance to influence the future of the financial system.

NFQ serves as a pivotal technology partner for HomeToGo, where a passionate team of software engineers and data science experts spearheads the innovation that fuels a marketplace showcasing the world’s largest selection of vacation rentals. As we expand HomeToGo’s tech team in Lithuania, we are on the lookout for top-tier talent to join our dynamic organization.HomeToGo, the premier marketplace for vacation rentals, boasts millions of listings from trusted partners like Booking.com, Vrbo, and TripAdvisor. Whether you’re searching for vacation homes, cabins, beach houses, apartments, condos, houseboats, castles, or farm stays, HomeToGo seamlessly integrates pricing, destination, dates, and amenities to help travelers find their ideal accommodation for any journey around the globe.Established in 2014, HomeToGo operates localized applications and websites in 25 countries across Europe, North America, South America, Australia, and Asia-Pacific. The company's portfolio also includes recognizable brands such as Agriturismo.it, AMIVAC, Casamundo, CaseVacanza.it, e-domizil, EscapadaRural, Tripping.com, and Wimdu.We are seeking a Senior Software Engineer (PHP) to join our Distribution Team, responsible for developing systems that connect HomeToGo with a multitude of partners—from individual agents to major industry players like Google, TUI, and Amadeus. In this role, you'll design and maintain diverse channels that fuel our growth, integrating our B2B tools and public channels into a cohesive, high-performance ecosystem that distributes millions of vacation rentals worldwide. You will collaborate with a team of PHP and React (TypeScript) Software Engineers focused on delivering self-service software projects with a strong emphasis on data quality. Our engineers engage throughout the entire software lifecycle and work with a wide array of technologies. Moreover, you will be part of a supportive team of intelligent, dedicated, and driven individuals who make the workplace enjoyable.

nfq is hiring a Senior PHP Software Engineer in Krakow. This position centers on building, maintaining, and improving software solutions using PHP. The work involves hands-on development with a focus on quality and reliability. Role overview This role calls for experience with PHP to support the full software lifecycle. The Senior PHP Software Engineer will contribute to both new development and ongoing enhancements of existing systems. Collaboration Work closely with colleagues from different teams to ensure products align with client needs. Communication and teamwork are important aspects of this position. What you will do Develop and maintain PHP-based software Enhance existing solutions for better performance and stability Collaborate with cross-functional teams on project delivery

Kaseya® stands as the premier provider of comprehensive IT infrastructure and security management solutions tailored for Managed Service Providers (MSPs) and internal IT teams globally, driven by cutting-edge AI technology. Our exceptional suite of tools empowers organizations to effectively manage and secure their IT environments, fostering long-term business success. Over the past several years, Kaseya has consistently demonstrated strong double-digit growth and is supported by Insight Venture Partners www.insightpartners.com, a leading global private equity firm focused on high-growth technology and software businesses that catalyze transformative change across various industries.Since our inception in 2000, Kaseya has expanded its reach to serve customers in over 20 countries across diverse sectors, managing upwards of 15 million endpoints worldwide. To discover more about our innovative solutions and company culture, visit www.Kaseya.com.Kaseya is not your average workplace. We pride ourselves on our transparency and clear expectations. The countless individuals who thrive here are those who are committed to going the extra mile for our clients.Job Type: Full-Time Experience Level: Senior (7+ years)We are on the lookout for an accomplished Senior Python Developer who specializes in designing and architecting expansive systems. In this pivotal role, you will spearhead the development of robust, high-performance software platforms from the ground up. You will define the system architecture, guide critical technical decisions, and ensure our solutions are reliable, maintainable, and scalable for future growth. While experience with AI and automation is advantageous, your primary expertise will lie in scalable architecture, distributed systems, and engineering leadership. You will collaborate across various teams to deliver systems that underpin vital business functions and drive innovation.

Join nordsec as a Senior Full-Stack Software Engineer and play a pivotal role in developing innovative software solutions. In this position, you will collaborate closely with cross-functional teams to design, build, and maintain robust applications that meet our clients' needs. If you're passionate about technology and eager to contribute to exciting projects, we want to hear from you!

At Qualtrics, we empower the world's leading brands to deliver outstanding frontline experiences, cultivate high-performing teams, and design products that resonate with users. More than just a platform, we are the pioneers and custodians of the Experience Management category, proudly serving over 18,000 clients globally. Building a category requires tenacity, creativity, and a willingness to challenge the status quo—but above all, it demands cohesive, high-functioning teams dedicated to our customers' success.Joining one of our teams means becoming part of a dynamic group that is encouraged to set ambitious goals and move swiftly to realize them. We embrace strategic risks and tackle complex challenges collaboratively, ensuring the best solutions emerge through discussion and iteration. Growth opportunities abound—whether you're ready or not, they'll find you. From retail to government to healthcare, we are on a mission to reintroduce humanity, connection, and empathy to the business world. Join over 6,000 individuals worldwide who believe this is work worth pursuing.Senior Software EngineerWhy We Have This RoleOur team consists of passionate engineers at the forefront of cloud computing and web scalability. We manage and analyze vast amounts of data while developing solutions utilized by millions daily. Our innovation simplifies complex research processes. Our teams have the autonomy to select the best technologies for each challenge, allowing for significant impact across our entire product stack—from web and mobile UI to data visualization, analysis, microservices APIs, and data storage and processing. How You’ll Find SuccessAs a Software Engineer at Qualtrics, you will thrive on constructing straightforward solutions to intricate scalability challenges. Designing systems within an agile framework to endure rapid growth and taking ownership of quality throughout the process is both a rewarding challenge and a key reason why Qualtrics is such an exciting place to work. How You’ll Grow Qualtrics offers a fast-paced, dynamic environment where you can expand your experience through impactful projects, cutting-edge tools and technologies, and collaborating with like-minded technical professionals.

At Qualtrics, we empower the world's leading brands to create outstanding frontline experiences, cultivate high-performing teams, and develop products that resonate with people. We aren't just a software platform; we are pioneers in the Experience Management domain, proudly serving over 18,000 clients worldwide. Building a new category demands tenacity, innovation, and a commitment to breaking the mold, but most importantly, it requires cohesive, high-performing teams dedicated to our customers.When you join our team, you'll become part of a dynamic group with the autonomy to establish ambitious targets and swiftly pursue them. We encourage strategic risks and collaboratively tackle complex challenges, continuously iterating until the optimal solution emerges. Growth opportunities will find you—whether you're in retail, government, or healthcare, we're on a mission to restore humanity, connection, and empathy to business. Join over 6,000 passionate individuals globally who believe in the value of meaningful work.Why We Need YouOur team consists of highly motivated engineers at the forefront of cloud computing and web scalability. We manage and analyze terabytes of data while creating solutions that are utilized by millions daily. We build tools that simplify complex research processes, and our teams have the liberty to choose the best technologies for each challenge. In our collaborative environment, you will find numerous opportunities to influence our full-stack product, from web and mobile UI to data visualization and analysis, microservices APIs, and data storage and processing.Your Path to SuccessAs a Software Engineer at Qualtrics, your passion for crafting straightforward solutions to complex scalability issues is key. Developing systems within an agile framework to support rapid growth while ensuring quality at every level is a rewarding endeavor—one of the many reasons Qualtrics is an exciting place to advance your career.Your Growth JourneyQualtrics offers a fast-paced, dynamic environment where you'll have the chance to enhance your skills through impactful projects, leverage cutting-edge tools and technologies, solve challenging problems, and collaborate with like-minded, driven technical professionals.

We are searching for a passionate and talented Software Engineer to join our Agent Development team at ActiveCampaign. In this role, you will be instrumental in designing and implementing innovative software solutions that enhance our customer experience and drive our mission forward.You will work closely with cross-functional teams to analyze requirements, develop applications, and ensure the best practices in software development are followed. This is an exciting opportunity to contribute to projects that impact our users directly.

At Qualtrics, we develop innovative software solutions employed by the world’s leading brands to provide outstanding frontline experiences, cultivate high-performing teams, and design products that resonate with users. More than just a platform, we are the pioneers and custodians of the Experience Management category, proudly serving over 18,000 clients globally. Establishing a new category demands tenacity, resolve, and a rejection of conventional wisdom—but above all, it necessitates cohesive, high-performing teams committed to customer satisfaction.Joining our team means becoming part of an agile group empowered to set ambitious goals and swiftly execute them. We embrace strategic risks and collaboratively tackle complex challenges, fostering an environment where the best solutions emerge through collective iteration. Growth opportunities will come to you, whether you’re ready or not. Spanning various sectors from retail to government to healthcare, our mission is to reintroduce humanity, connection, and empathy into business. Be part of a vibrant community of over 5,000 individuals worldwide who believe in the importance of meaningful work.

Nord Security is seeking a Senior iOS Engineer to help build applications that strengthen user security and privacy. This position is based in Krakow and centers on designing and developing iOS apps that meet high standards for performance and responsiveness. Role overview This role focuses on creating secure and reliable iOS applications. Collaboration with other engineers and team members is an important part of the work, with a shared goal of delivering features that protect users and provide a smooth experience. What you will do Design and implement iOS applications with a focus on security and privacy Work closely with teammates to deliver high-quality, responsive features Contribute to the ongoing improvement of app performance Requirements Experience developing iOS applications Strong interest in user security and privacy Ability to work effectively within a collaborative team

About the Role Endava is looking for a Salesforce Development Consultant in Krakow. This role focuses on designing, building, and refining Salesforce applications that help clients achieve their business goals. The consultant works closely with project teams to deliver solutions that fit each client’s needs. What You Will Do Design Salesforce applications tailored to client requirements Implement and configure Salesforce solutions across projects Optimize existing Salesforce setups to support business objectives Collaborate with consulting and technical teams to deliver results What We Look For Experience developing and customizing Salesforce applications Strong technical skills with a focus on quality and reliability Ability to work with clients and team members to solve problems Commitment to delivering solutions that support business success

Join Geotab, a global leader in telematics and IoT, as a Software Developer. In this role, you will have the opportunity to innovate and develop cutting-edge software solutions that help businesses optimize their fleets and improve efficiency. Work in a collaborative environment where your contributions are valued and make an impact.

Saily, part of Nordsec, builds technology that helps travelers stay connected without roaming fees or physical SIM cards. The platform delivers secure, high-speed mobile data in over 200 destinations, serving millions of paying customers and hundreds of thousands of active travelers at any moment. This Senior Android Engineer role centers on Kotlin development for Saily’s mobile platform. The team values engineers who shape solutions from idea to launch, always with the traveler’s experience in mind. How Saily Works Engineers design and build solutions to real customer problems, not just code to a spec. AI agents automate repetitive work, freeing engineers to focus on high-impact tasks. Every team member suggests and implements improvements to the product and process. Continuous learning and sharing knowledge are core expectations. Customer experience drives every decision. Culture and Approach Saily emphasizes growth, contribution, and real impact over hierarchy or rigid process. Team members receive context, autonomy, and AI-powered tools to do their best work.

About OpenX OpenX helps digital media companies grow their business by building advertising technologies and marketplaces that deliver strong value for publishers and advertisers. Our team brings deep experience in designing and running high-scale ad marketplaces. We look for creative professionals who are interested in market design, technical progress, operational quality, and excellent partner service to advance digital advertising. Role Overview: Software Development Engineer in Test II OpenX is hiring a Software Development Engineer in Test II for the Full-Stack team in Krakow, Poland. This role suits engineers who enjoy exploring new challenges and want to work on both frontend and backend systems as part of a collaborative team. Technologies We Use Frontend: JavaScript/TypeScript, React, Material UI API: Python Backend: Java, Go, Erlang, Elixir CI/CD: Cloudbuild, Spinnaker How We Work The team follows Scrum but adapts processes as needed. SDETs at OpenX work closely with peers across frontend and backend areas and participate in the QA Guild, which focuses on improving tools and processes across the company. Scale and Impact 100% cloud-based platform on Google Cloud Platform (GCP) Over 380 billion ad requests processed daily More than 120,000 CPU instances used each day Over 140 TB of RAM utilized daily 50+ petabytes of data processed every week More than 1,200 production deployments each month

Join our dynamic team at Tanium as a Senior Helpdesk Engineer and play a pivotal role in enhancing our customer support experience. You will be responsible for providing top-tier technical assistance and ensuring that our clients receive the highest quality of service. This is an exciting opportunity for you to leverage your expertise in IT support and help shape our service offerings.