Site Reliability Engineer at altersolutions | Warsaw

We are seeking pragmatic and self-sufficient Site Reliability Engineers (SREs) who possess a strong foundation in software engineering principles and know how to leverage them to tackle complex infrastructure challenges. The ideal candidate will automate processes first, grasp the broader context, and collaborate effectively with developers to boost velocity without compromising stability or security.This role focuses on innovation and problem-solving rather than merely following runbooks. We value individuals who can:Create and implement tailored solutions when existing tools fall short.Evaluate systems critically with a focus on scalability and resilience.Engage with cross-functional teams, including developers and product managers.Have the potential to advance into Developer Experience (DevEx) roles in the future.

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 Altersolutions as a Kafka Engineer and be part of an innovative team that is driving the future of technology. In this role, you will work on designing, implementing, and maintaining scalable and distributed systems using Apache Kafka. Your expertise will contribute to enhancing data integration processes and improving system reliability.

Join our innovative team at altersolutions as a Kubernetes Engineer, where you will leverage your expertise in container orchestration to enhance our cloud infrastructure. You will be responsible for designing, implementing, and managing Kubernetes clusters, ensuring high availability, performance, and security of our applications. Collaborate with cross-functional teams to drive continuous improvement in our DevOps practices.

Are you passionate about safeguarding hardware technologies? Join altersolutions as a Hardware Security Engineer in Warsaw, where you will play a critical role in enhancing the security of our hardware systems. You will be responsible for analyzing potential vulnerabilities, developing secure hardware solutions, and collaborating with cross-functional teams to ensure our products meet the highest security standards.

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.

Join our dynamic team as a Product Owner at Altersolutions in the vibrant city of Warsaw. In this pivotal role, you will be responsible for guiding the development and delivery of innovative products that meet customer needs and drive business success. You will collaborate closely with cross-functional teams, ensuring that the product vision aligns with strategic goals.

Join our innovative team as a Senior Software Engineer focused on transforming business processes through cutting-edge artificial intelligence and advanced technologies. This project is dedicated to optimizing intelligent data handling and facilitating automated decision-making, utilizing modern, high-performance solutions that guarantee efficiency, security, and scalability.

Join our dynamic team at altersolutions as a Frontend Developer. In this role, you will be responsible for creating and optimizing user-friendly web applications. You will collaborate with designers and backend developers to deliver seamless digital experiences.

Join Altersolutions as a Functional Tester in Warsaw! We are seeking a detail-oriented individual to ensure the quality and functionality of our software products. In this role, you will be responsible for designing and executing test cases, identifying defects, and collaborating with development teams to improve product performance.

About ShiftKey ShiftKey connects healthcare facilities with licensed and certified professionals to fill open shifts. By applying marketplace principles and deep industry knowledge, ShiftKey addresses staffing shortages in healthcare and helps facilities connect directly with qualified workers. The platform gives professionals control over their schedules, helping more licensed workers return to the workforce and easing a critical challenge in the sector. Learn more at www.ShiftKey.com. Role Overview ShiftKey is hiring a Site Reliability Engineer in Warsaw to keep the Marketplace platform stable, secure, and highly available. The SRE team works closely with engineering to prevent incidents before they happen. In 2025, the platform recorded only 6 minutes of downtime. Maintaining this reliability, while supporting a migration to a new AWS region, will be a central focus. This role blends hands-on maintenance (reducing technical debt, improving deployments, strengthening observability) with engineering and automation projects that make the platform easier to manage over time. ShiftKey values a "you build it, you run it" approach, but avoids burnout. Thanks to a follow-the-sun model with US-based colleagues, there are no scheduled on-call duties after 5:00 PM Warsaw time. Monthly gross pay ranges from PLN 17,000 to PLN 21,000 under an employment contract (CoE/umowa o pracę). Final compensation depends on experience and skills. Work Location and Schedule Candidates should be based in or near Warsaw. The role is primarily remote. In-person collaboration is encouraged on Tuesdays and Wednesdays to support team connection and culture. What You’ll Do Split time between maintenance/support and development work focused on automation and tooling improvements. Contribute to major roadmap projects, including migrating infrastructure to a new AWS region for better cost and availability. Join the "Sheriff" rotation (about one week per month during standard office hours) to help maintain operational excellence.

Join the dynamic team at altersolutions as a Full-Stack Developer. In this role, you will be responsible for designing and implementing robust web applications. You will work closely with cross-functional teams to create streamlined solutions and ensure optimal user experience.

Join our dynamic team at altersolutions as a Mid/Senior Java Developer! We are looking for passionate and skilled developers who are eager to tackle exciting challenges and contribute to innovative software solutions. In this role, you will work closely with cross-functional teams to design, develop, and implement Java-based applications that meet client needs and enhance user experiences.

About ShiftKey ShiftKey connects licensed and certified healthcare professionals with facilities that need their skills. By using marketplace principles and industry knowledge, ShiftKey addresses staffing shortages across the American healthcare system. The platform gives healthcare workers the freedom to choose their shifts, helping more people return to the workforce. Learn more at www.ShiftKey.com. Role Overview: Site Reliability Engineer The Site Reliability Engineer will focus on keeping ShiftKey’s Marketplace platform stable, secure, and highly available. This role works closely with engineering teams to prevent incidents before they start. In 2025, the platform experienced just 6 minutes of downtime, maintaining and improving this reliability is a key part of the job, especially as the team migrates to a new AWS region. Day-to-day work balances routine platform maintenance, tackling technical debt, improving deployment processes, and boosting observability. There’s also a strong emphasis on engineering and automation to streamline operations over time. This is not a ticket-pushing role. ShiftKey’s culture encourages ownership: “you build it, you run it.” The company supports a healthy work-life balance, with a follow-the-sun model and no on-call duties after 5:00 PM Warsaw time, thanks to support from US-based colleagues. Monthly compensation ranges from PLN 17,000 to PLN 21,000, depending on experience and skills. Work Environment This position is primarily remote for candidates based in or near Warsaw. Team members are expected to work from the office on Tuesdays and Wednesdays to build team connections and company culture. Key Responsibilities Split time between operational maintenance and development projects that improve automation and tooling. Contribute to major roadmap projects, such as migrating infrastructure to a new AWS region to improve cost efficiency and availability. Participate in the "Sheriff" rotation about one week per month during standard office hours.

About ShiftKey ShiftKey connects healthcare facilities with licensed professionals, helping to address staffing shortages across the United States. The platform enables healthcare workers to select their own shifts, bringing more qualified professionals into the system and supporting direct facility-worker connections. Learn more at www.ShiftKey.com. Role Overview: Site Reliability Engineer This Site Reliability Engineer position focuses on keeping ShiftKey’s Marketplace platform stable, secure, and highly available. The role involves close collaboration with engineering teams to prevent incidents and maintain a high uptime standard, targeting only 6 minutes of downtime in 2025. A major focus for the coming year will be supporting the migration to a new AWS region. The work is split evenly between hands-on maintenance (reducing technical debt, improving deployment processes) and engineering tasks that automate and streamline platform operations. The team follows a 'you build it, you run it' approach, but avoids burnout by limiting on-call duties. Thanks to a follow-the-sun support model with US-based colleagues, no on-call shifts are scheduled after 5:00 PM Warsaw time. Gross monthly salary: PLN 17,000 to PLN 21,000 under an employment contract (CoE/umowa o pracę). Final offer depends on experience and skills. Location and Work Arrangement Candidates should be based in or near Warsaw. The role is primarily remote, but in-person collaboration is encouraged on Tuesdays and Wednesdays to strengthen team connections and company culture. Main Responsibilities Split time evenly between maintenance/support and development work, including automation and tooling improvements. Contribute to roadmap projects, such as migrating infrastructure to a new AWS region for better cost efficiency and availability. Participate in the 'Sheriff' rotation (about once a month during office hours) to help ensure platform reliability.

We are seeking a highly skilled Senior Java Developer to join our talented team at altersolutions. In this role, you will be instrumental in designing, developing, and deploying robust Java applications that meet our clients' needs. Your expertise will help drive innovation and efficiency within our projects.The ideal candidate will possess a deep understanding of Java technologies, frameworks, and best practices. You will collaborate with cross-functional teams to deliver high-quality software solutions on time and within budget.

Join altersolutions as a .NET Developer and be part of a dynamic team in Warsaw, where you will contribute to exciting projects and develop innovative software solutions. We seek passionate developers who thrive on creativity and collaboration.

About ShiftKey ShiftKey connects licensed and certified healthcare professionals with facilities that need staffing support. The platform helps address staffing shortages in the U.S. healthcare system, giving healthcare workers more control over their schedules and encouraging skilled professionals to re-enter the workforce. Learn more at www.ShiftKey.com. Role Overview: Site Reliability Engineer Site Reliability Engineers at ShiftKey focus on keeping the Marketplace platform stable, secure, and highly available. In 2025, the platform recorded only 6 minutes of downtime, and maintaining this level of reliability is a key responsibility. The role also involves managing a migration to a new AWS region. This position blends hands-on maintenance, such as reducing technical debt, improving deployments, and strengthening observability, with engineering and automation projects aimed at streamlining operations. The team culture is “you build it, you run it,” giving engineers ownership of their work without risking burnout. Collaboration with U.S.-based teams supports a follow-the-sun approach, so there are no on-call duties after 5:00 PM Warsaw time. Monthly gross salary: PLN 17,000 to PLN 21,000 under an employment contract (CoE/umowa o pracę). Final compensation depends on experience and skills. Work Location and Schedule This role is open to candidates based in or near Warsaw. Work is primarily remote, with in-office collaboration expected on Tuesdays and Wednesdays. These in-person days help strengthen team connections and support company culture. Key Responsibilities Split time between maintaining current systems and developing new automation and tooling for the platform. Support major roadmap projects, including migrating infrastructure to a new AWS region to improve cost efficiency and availability. Take part in the "Sheriff" rotation, covering about one week per month during regular office hours.

About ShiftKeyShiftKey is revolutionizing the healthcare staffing landscape by directly connecting licensed and certified professionals with healthcare facilities that need to fill shifts. We utilize marketplace dynamics and extensive industry knowledge to tackle America's healthcare staffing shortages. Our platform empowers healthcare workers with the flexibility to choose their work schedules, contributing to the reinvigoration of the workforce in this critical sector. Discover more at www.ShiftKey.com.Role OverviewAs a Site Reliability Engineer, you will ensure our Marketplace platform remains stable, secure, and highly available. You will actively collaborate with engineering teams to preemptively address potential issues. In 2025, our platform achieved an impressive 6 minutes of downtime, and you will be integral to maintaining this standard while overseeing a migration to a new AWS region.This position combines hands-on maintenance tasks (reducing technical debt, enhancing deployment processes, and fortifying observability) with engineering and automation efforts that streamline platform operations over time.Join a culture where 'you build it, you run it' is a mantra, without the risk of burnout. Thanks to our US-based counterparts, we maintain a follow-the-sun model, eliminating scheduled on-call duties after 5:00 PM Warsaw time.Monthly gross salary for this position ranges from PLN 17,000 to PLN 21,000 under an employment contract (CoE/umowa o pracę). Final compensation is determined based on experience and skill level.Work EnvironmentCandidates should be based in or near Warsaw. This role is primarily remote, with encouraged in-office collaboration on Tuesdays and Wednesdays to foster team engagement and cultural development.Key ResponsibilitiesDedicate 50% of your time to operational maintenance and support while the other 50% focuses on active development, enhancing automation and tooling.Contribute to significant roadmap initiatives, including migrating our infrastructure stack to a different AWS region to boost cost-efficiency and availability.Engage in the 'Sheriff' rotation, approximately one week per month during standard office hours.

About ShiftKey ShiftKey connects licensed healthcare professionals with facilities that need their skills. The platform helps address staffing shortages across the United States, while giving healthcare workers more control over their schedules. Learn more at www.ShiftKey.com. Role Overview: Site Reliability Engineer (DevOps) As a Site Reliability Engineer at ShiftKey in Warsaw, the main focus is keeping the Marketplace platform stable, secure, and highly available. This role works closely with engineering teams to prevent incidents, maintain low downtime, and support a major migration to a new AWS region for better performance and reliability. The position blends hands-on maintenance, like reducing technical debt, improving deployment processes, and strengthening observability, with engineering projects that simplify operations over time. ShiftKey follows a 'you build it, you run it' approach, but thanks to a follow-the-sun support model, evenings remain free from on-call interruptions. Compensation The gross monthly salary for this role ranges from PLN 17,000 to PLN 21,000, depending on experience and expertise. Work Location This is primarily a remote position based in Warsaw. Team members gather in the office on Tuesdays and Wednesdays to collaborate and strengthen team culture. What You Will Do Split time between maintaining system reliability and developing automation and tooling. Contribute to major projects, including migrating infrastructure to a new AWS region to improve service availability and manage costs. Participate in the 'Sheriff' rotation about once a month during standard office hours.