Senior PHP Engineer with Expertise in Database Management

Join our dynamic team at Xsolla as a Senior Database Administrator, where you will play a pivotal role in managing and optimizing our database systems. You will ensure our data infrastructure is robust, scalable, and secure, enabling our gaming solutions to thrive. Collaborate with cross-functional teams to implement best practices in database management and contribute to innovative projects that push the boundaries of gaming technology.

As a Platform Database Engineer specializing in NoSQL and graph database solutions, you will design, implement, and manage innovative data solutions as part of our central platform.You will assume technical ownership of graph data models and develop complex query patterns to address highly interconnected domains.In this role, you will plan and execute migrations from traditional relational databases or file-based data storage to modern NoSQL and graph databases.Collaboration with backend engineering teams is key to seamlessly integrate our database solutions into existing and new backend services.Your expertise will help evaluate and choose the best NoSQL and graph database technologies tailored for various products and platform use cases.You will ensure the performance, scalability, reliability, and maintainability of our database solutions in a live production environment.Contributing to platform architecture decisions, establishing technical standards, and promoting best practices will be part of your responsibilities.Support product teams by providing guidance, conducting reviews, and engaging in hands-on collaboration.

Join our dynamic team at dev2 as a Senior/Lead Software Engineer specializing in Database Reliability. We are seeking an experienced professional who will ensure the performance, reliability, and availability of our database infrastructure. You will play a crucial role in designing and implementing solutions that enhance our database systems while collaborating closely with cross-functional teams.

As a PostgreSQL Platform Database Engineer, you will design, implement, and manage robust PostgreSQL-based database solutions tailored for multi-tenant environments.Take charge of PostgreSQL schema design, enhance performance through tuning, and ensure operational stability.Lead the migration processes from legacy or diverse database systems to PostgreSQL, ensuring smooth transitions.Work in close collaboration with backend engineering teams to seamlessly integrate database solutions into backend services.Establish and uphold standards and best practices for relational data modeling and database operations.Guarantee high availability, effective backup and recovery strategies, and consistent performance of PostgreSQL systems.Contribute to architectural decisions and long-term data strategies for the platform.Provide support and enablement for product teams through reviews, guidance, and hands-on collaboration.

Greetings from AMBOSS! We are on the lookout for a Senior Backend Engineer specializing in PHP to join our dynamic Educator Experience team and help us redefine the future of medical education!About AMBOSSFounded in 2012, AMBOSS is a pioneering learning and clinical decision support platform dedicated to empowering physicians worldwide to provide the best possible care. By leveraging cutting-edge technology, we are transforming how medical professionals acquire and utilize scientific knowledge. Our team, known as AMBOSSians, shares a passion for supporting clinicians and medical students alike, striving for success that resonates with our mission—when a user expresses, “AMBOSS makes practicing medicine enjoyable and efficient,” we know we are making a difference. Curious about our vibrant culture? Check out our video to discover what sets us apart.Why This Role is ExcitingAs a Senior Backend Engineer at AMBOSS, you will play a pivotal role in enhancing the user experience for doctors and medical students, enabling them to make informed decisions that affect the healthcare of billions globally. We are looking for an individual who is deeply passionate about harnessing technology to its fullest potential and leading the charge in engineering excellence. Join our agile team in transforming educational institutions, such as medical schools and clinics, by optimizing the use of AMBOSS resources in their teaching methods.Your Responsibilities:Lead engineering projects for our innovative B2B product, “Educator Tool,” from inception to deployment.Promote best practices in coding standards, testing, and maintainability.Collaborate with cross-functional teams to establish project requirements and specifications.Respond to ad-hoc requests from customer support.Contribute to a culture of continuous learning by sharing knowledge within the AMBOSS community.Your Qualifications:Extensive experience with PHP and its modern frameworks such as Symfony, Slim, and Laravel, alongside proficiency in MySQL.Comprehensive experience across the full web development lifecycle, including requirements analysis, design, development, testing, and deployment.

At AlfaDocs, our mission is to revolutionize healthcare. Our innovative software platform simplifies daily operations for medical practices and enhances patient engagement by optimizing practice management and strengthening patient relationships. With our comprehensive, cloud-based solution, healthcare professionals can dedicate more time to patient care and less to administrative tasks.We pride ourselves on delivering high-performance solutions while cultivating a collaborative and respectful environment where every team member's contributions are appreciated. Our collective passion is to create a lasting impact in the healthcare sector, fostering an atmosphere where both our team and customers can flourish.As a Senior Full Stack Backend Engineer (all genders), you will take charge of secure, scalable feature development, owning the backend, shaping architectural design, and mentoring fellow team members.Full Stack Development: Lead the entire lifecycle of feature development from conception to deployment, with a strong emphasis on security and scalability.Architecture & Design: Make key architectural decisions to ensure compliance with healthcare industry standards and long-term system sustainability.Cross-Functional Collaboration: Collaborate closely with product managers, designers, and stakeholders to ensure technical solutions align with business objectives.Team Mentorship: Provide mentorship to junior developers, nurturing a culture of learning and innovation.Automation & CI/CD: Implement automated testing, continuous integration, and deployment pipelines to uphold high code quality.Technical Roadmapping: Contribute to planning by assessing technical feasibility, estimating timelines, and identifying resource needs.Industry Awareness: Stay updated on emerging technologies and industry trends to enhance product and process efficiency continuously.Team Culture: Foster a positive team atmosphere infused with humor and optimism, helping to maintain morale and collaboration during challenging times.

About ClickHouseHonored in the 2025 Forbes Cloud 100 list, ClickHouse stands out as a leading innovator among rapidly growing private cloud enterprises. With a customer base exceeding 3,000 and an impressive annual recurring revenue growth of over 250 percent, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.The company’s continuous and accelerating growth was recently underscored by a substantial $400 million Series D funding round. Notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or expanded their existing operations in the last three months. These organizations join an esteemed roster of AI pioneers and global brands, including Meta, Cursor, Sony, and Tesla.We aim to revolutionize how businesses utilize data. Join us on our exciting journey!Note: This role is available for remote work in any country where ClickHouse has a hiring presence.About the TeamThe ClickPipes - Database Integrations team is responsible for developing a platform that facilitates real-time data replication from databases into ClickHouse at an unparalleled petabyte scale.As a member of this team, you will tackle complex database-related challenges and distributed system issues, including understanding database internals to refine snapshotting strategies, managing schema evolution during live replication, ensuring data type compatibility across various systems, maintaining low end-to-end latency under unpredictable loads, and utilizing robust execution frameworks to guarantee data consistency across unreliable networks. We operate transparently — our database integrations are constructed on PeerDB, an open-source CDC platform to which we actively contribute.Check out some of our latest projects:ClickPipes for Postgres now supports failover replication slotsMongoDB CDC to ClickHouse with Native JSON SupportUnder the Hood: Building MySQL Change Data Capture in ClickPipesYour Responsibilities:Develop data-driven systemsDesign and implement high-performance integrations with databases (Postgres, MySQL, MongoDB), data lakes (Iceberg, Delta Lake), and data warehouses (BigQuery, Snowflake).

jobgether seeks a Senior PHP Developer to join the Technology & AI Labs team in Germany. The position centers on building and maintaining PHP applications that underpin technology and artificial intelligence initiatives. Key responsibilities Design, develop, and maintain PHP applications that power technology and AI-focused projects Collaborate with colleagues from various disciplines to architect scalable systems Participate in project planning and delivery using agile methods Location This position is based in Germany.

About ClickHouseRanked among the most innovative and rapidly growing private cloud companies, ClickHouse is proud to be featured on the 2025 Forbes Cloud 100 list. With a robust clientele exceeding 3,000 and an impressive annual recurring revenue (ARR) growth of over 250% year on year, ClickHouse is a leader in real-time analytics, data warehousing, observability, and AI workloads.Our recent $400 million Series D funding round has further validated our continuous momentum. In just the past three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted or expanded their use of our platform, joining esteemed brands like Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize the way companies leverage data!Note: This position can be based remotely in the Netherlands, UK, or Germany.At ClickHouse, we are dedicated to providing our customers with reliable and secure services. To further this commitment, we are expanding our Site Reliability Engineering team within ClickHouse Core. As one of the pioneering members of our Reliability Engineering Team, you will play a crucial role in developing and enhancing processes that ensure the reliability, availability, scalability, and performance of ClickHouse. You will work collaboratively with various teams—such as Control Plane, Dataplane, Security, Support, and Operations—to guide them in deploying ClickHouse optimally for our customers. Additionally, you will manage engineering escalation processes, lead investigations, conduct blameless post-mortem analyses, and drive continuous improvements in how ClickHouse operates and optimizes in the cloud. This role presents a unique opportunity to make a meaningful impact on our elastic, limitless scale, high-performance ClickHouse in ClickHouse Cloud.What will you do?Continuously enhance the reliability and performance of ClickHouse core.Develop and refine metrics and alerts to proactively identify and prevent production issues before they impact customers.Investigate common customer issues to uncover root causes, submit bug fixes, report issues, and propose enhancements.Enhance incident response processes and conduct post-mortem analyses for outages, collaborating with support and Cloud teams to communicate effectively with affected customers.Plan and implement Chaos initiatives across Engineering teams based on internal priorities.Manage on-call processes to ensure swift and effective incident handling.

Join Our Team as a Senior PostgreSQL Platform Engineer!Please note that these positions are available in Berlin, London, or Paris — we provide relocation support if necessary.About Trade RepublicTrade Republic is Europe's leading savings platform, operating across 18 countries and serving over 10 million customers who trust us with more than €150 billion in assets. We are on a mission to empower individuals to build wealth through easy, safe, and free access to financial systems. Here, you will have the chance to advance your career by working alongside exceptional talents and cutting-edge technology to create a positive future for millions.Platform Engineering at Trade RepublicOur Platform Engineering team is the backbone of Trade Republic's engineering capabilities. With a focus on building scalable platforms for a Europe-scale bank, we support internal engineers and create in-house control systems for managing the bank's infrastructure. Our dedicated ~50-person team is committed to enabling product engineers to operate quickly and independently.Your RoleThe database platform is central to our operations at Trade Republic—each trade, savings plan, and card payment interacts with it. Currently, many of our database operations are manual or rely on basic automation. In this role, you will revolutionize our operations by building a platform layer that makes PostgreSQL operations self-service, automated, and reliable by default.Run PostgreSQL at Scale: Take ownership of the reliability and uptime of our PostgreSQL clusters—design for high availability, engineer for resilience, and ensure near-zero downtime during maintenance, upgrades, and failure scenarios.Build the Database Platform: Automate the entire operational lifecycle—provisioning, configuration, upgrades, scaling, and backup—transforming manual database operations into self-service workflows.Establish Best Practices: Define database standards—including schema design, connection management, and query patterns—and integrate these into the platform for seamless operation.

Join our dynamic team at CACI as a Systems Engineer/Developer specializing in Applications and Database Design. In this role, you will leverage your technical expertise to design, develop, and maintain robust applications that meet our clients' needs. You will collaborate with cross-functional teams to deliver innovative solutions while ensuring optimal database performance and reliability.As a mid-senior level engineer, you will play a crucial role in the software development lifecycle, from requirements gathering to deployment and beyond. You will be responsible for implementing best practices in coding and database design, and you will have the opportunity to mentor junior team members, enhancing their skills and fostering a collaborative learning environment.

Oversee and execute SAP HANA projects, encompassing installations, upgrades, migrations, as well as scale-up and scale-out scenarios.Guarantee the stable, secure, and high-performance operation of extensive SAP HANA landscapes.Serve as a trusted advisor to clients and internal teams regarding SAP HANA architectures, both on-premise and in cloud environments (Azure, AWS, GCP).Conduct analysis and continuous improvement of operating concepts for SAP HANA databases and system landscapes.Engage in performance analysis and optimization, which includes table distribution and partitioning strategies.Design and manage high-availability and business continuity solutions utilizing SAP HANA System Replication.Utilize SUSE Linux Enterprise Server for SAP Applications, incorporating HA Extension (Corosync & Pacemaker).Participate in architectural decisions and promote best practices for contemporary SAP HANA deployments.

Join Tipico as an AWS Database Administrator and become part of our innovative team! We are dedicated to pushing the boundaries of sports betting, ensuring our customers experience the thrill of the game. In this role, you will collaborate daily in a dynamic, agile environment alongside cross-functional teams to develop cutting-edge products and technical solutions.Your Responsibilities:Ensure excellence in the operation and automation of our managed database infrastructure in AWS.Facilitate the migration process from MySQL/MariaDB to AWS Aurora (Serverless).Take charge of monitoring and automation tasks using tools like Ansible and Python.Provide developers with self-service tools for automation jobs.Manage various cloud database solutions, including Aurora and ElastiCache.Implement solutions using Infrastructure as Code (Terraform).Consult on the effective use of new managed services within AWS, such as DynamoDB, DocumentDB, and Neptune.Develop automation scripts to streamline our daily database routines and maintenance tasks.

Key Responsibilities: • Manage projects throughout the entire lifecycle from requirement analysis to development and final delivery. • Oversee the administration of the Energy Data Management (EDM) and Power Flow Management (PFM) system, BelVis, utilized for electricity and gas by Kisters AG. • Create and maintain interfaces to various systems utilizing web services technology. • Collaborate in a dynamic and agile team environment. • Provide support to different departments while working within a cross-functional team. • Administer the Oracle database effectively. • Offer support for both the database and application server. • Develop reports and scripts in the BelVis system using KiBasic for diverse departments.

Role Overview The Quality Group GmbH is hiring an experienced Software Engineer (gn) with strong PHP skills to support our B2B commerce initiatives. This remote position is based in Germany. What You Will Do Design and develop software solutions for B2B commerce using PHP Work closely with fellow engineers to build and maintain reliable applications Contribute to projects focused on improving the customer experience Help advance our technology and support business growth Location Remote within Germany

About Air Apps Air Apps began in Lisbon in 2018 and has grown quickly, reaching over 100 million downloads worldwide. The team focuses on building AI-powered tools, including a Personal & Entrepreneurial Resource Planner (PRP) designed to help individuals and entrepreneurs manage resources more effectively. Database Administrator Role The Database Administrator (DBA) will manage, optimize, and secure complex database systems that support Air Apps’ AI-driven platform. This role involves close collaboration with engineering and cross-functional teams to ensure databases run efficiently and reliably. Main Responsibilities Design, implement, and maintain high-performance database systems Collaborate with engineering teams on database architecture and improvements Monitor database health and performance Develop and execute backup and recovery strategies Ensure data integrity across multiple sources Perform database tuning and optimization Location and Work Environment This is a fully onsite position based in the Lisbon office Work closely with cross-functional teams Relocation assistance is available for those moving to Lisbon

Join Accesa as a Senior Workplace Engineer and leverage your expertise in systems engineering to enhance our platforms and services. As part of our dynamic team, you will work closely with various departments to implement cutting-edge solutions and improve workplace efficiency. This position is ideal for individuals who are passionate about technology and have a strong command of the German language.

Securitas is seeking a Receptionist (m/f/d) with an Expertise Certificate §34a for our location in Ehningen. This position serves as the first point of contact for clients and visitors, helping create a positive and professional atmosphere from the moment guests arrive. Role overview The receptionist manages front desk operations, including greeting and assisting guests, handling inquiries, and maintaining a welcoming environment. Attention to detail and a friendly approach are important in this role. What you will do Welcome clients and visitors at the front desk Manage guest check-in and answer questions Support daily front desk procedures Requirements Expertise Certificate §34a Strong communication skills Customer service mindset

About the Role The Quality Group GmbH is hiring a Professional Software Engineer (gn) focused on PHP for B2B Commerce. This fully remote position offers the chance to work on projects that shape how businesses operate and grow. What You Will Do Develop and maintain PHP-based solutions for B2B commerce applications Work with a team that values new ideas and practical problem-solving Take on technical challenges that require careful thought and creative approaches Work Environment This role is remote within Germany. Collaboration happens online, with a team that welcomes fresh perspectives and technical curiosity.