Mainframe Performance Expert in Communications Domain

ppro is hiring a Staff Engineer for the Boarding Domain in Berlin. This role centers on improving payment solutions and shaping the way clients are onboarded to the platform. Role overview The Staff Engineer will work closely with cross-functional teams to develop technology that simplifies and accelerates the client boarding process. Collaboration is key, as the position involves working with product, engineering, and other stakeholders to deliver enhancements that matter. Impact This role provides the chance to influence both product design and technical architecture. The work directly affects how clients experience onboarding, with room to introduce new ideas and improvements. Location This position is based in Berlin, within a lively and engaged tech community.

Enpal is a Berlin-based company focused on expanding access to solar energy and clean technologies for homeowners throughout Europe. As a recognized unicorn in the greentech sector, Enpal is committed to making solar panels, heat pumps, energy storage, and EV charging straightforward and accessible. The company’s mission is to support a sustainable, decentralized energy future. Role overview The Staff Product Manager for the Fulfillment Domain shapes both the strategy and execution of products that enable Enpal’s residential energy solutions. This position sits at the intersection of several teams and business units, ensuring that product direction supports operational needs and aligns with broader company goals. What you will do Set domain strategy and vision: Define and drive the product strategy for the Fulfillment Domain. Align four product teams’ work with Enpal’s business objectives, translating operational and financial challenges into clear product direction. Collaborate across teams: Work closely with field operations (craftOS) and customer financing (Fintech) product teams. Identify dependencies, resolve system-level issues, and maintain a consistent product experience. Promote data-driven decisions: Build a culture where product decisions are based on data. Define key metrics, develop measurement frameworks, and ensure teams have the insights needed for prioritization and impact assessment. Advance product discovery and validation: Strengthen discovery processes, from user research and problem identification to validating solutions and running experiments. Guide teams to focus on outcomes rather than just delivering features. Lead product operations: Organize and run domain-level rituals such as roadmapping, domain reviews, stakeholder updates, newsletters, and planning across teams. Keep teams aligned and priorities visible. Manage stakeholders: Engage with leaders across PV, Heat, Grid Operations, Finance, and other business units. Gather needs, share progress, and help set priorities by translating business complexity into actionable product plans. Partner on system thinking and technical topics: Work with technical partners to maintain system coherence and ensure smooth product operations across the domain.

Attention: This position requires relocation to our Milan office.About SatispaySatispay is on a mission to transform everyday transactions, making them straightforward, equitable, and accessible for all. Our ambition is to redefine the future of money.We are a collective of innovators empowering millions, united by a common goal to address significant challenges. We are just getting started, moving swiftly, thinking daringly, and fostering a culture of trust that encourages us to question the status quo while learning and evolving along the way.As a member of the Core Team, you will engage with critical systems encompassing external bank interactions, payment orchestration, and the foundational infrastructure for Identity and Access Management (IAM). Moreover, the team manages risk-oriented services, particularly in credit risk management and fraud detection.If you're eager to contribute to impactful projects that form the backbone for all our product teams, you've found the perfect place.Your ResponsibilitiesAs a Senior Backend Software Engineer within the Core Team, you will be pivotal in crafting the infrastructure of our payment platform. Your role will encompass ensuring the technical excellence and delivery of intricate systems that influence various services and product teams throughout the organization.Your daily tasks will involve:Engine core platform domains: You will assist in the design and advancement of our most sensitive systems, such as the Transaction Ledger, IAM, and Payment Orchestration. You'll ensure these systems remain high-performing, scalable, and functional for seamless integration by our product teams.Scale risk & financial engines: You will enhance and implement services dedicated to bank integrations, credit risk, and real-time fraud detection, establishing robust logic to protect our source of truth and secure Satispay’s financial ecosystem.Cross-team technical leadership: You will spearhead technical analyses for projects that involve multiple services, leading discussions and producing comprehensive documentation (Smart Papers) to guarantee that your designs are robust and clearly understood by stakeholders and other engineering teams.

Join our innovative team at moia as a System of Systems Architect, where you'll play a pivotal role in shaping cross-domain architecture solutions. Your expertise will help us build integrated systems that enhance mobility services and improve user experiences. Collaborate with cross-functional teams to design and implement robust architectures that drive our mission forward.

At Intercom, we are revolutionizing customer service through innovative AI solutions designed to enhance business interactions. Our flagship AI agent, Fin, represents the pinnacle of customer service technology, enabling organizations to provide seamless and effective support 24/7. By integrating Fin with our Helpdesk, we offer a comprehensive Customer Service Suite that empowers businesses to tackle complex queries with ease, ensuring a superior customer experience.Established in 2011, Intercom has gained the trust of nearly 30,000 businesses worldwide, setting a new benchmark for customer service excellence. We are committed to pushing boundaries, delivering swift and impactful solutions, and continuously adding value for our clients.Berlin's dynamic blend of technical expertise and creative innovation attracts us, making it an ideal location for our operations. This vibrant city, closely connected to our R&D hubs in Dublin and London, is a magnet for top talent eager to contribute to ambitious projects.This year, we aim to expand our Berlin team by hiring 100 professionals across engineering, AI, data science, product, and design. This is an exciting opportunity to join us as we establish a strong R&D presence in the region, helping shape the future of customer service.What’s the Opportunity?As a Staff Engineer, you will take on a leadership role within the engineering team, significantly contributing to our organization. You will develop both back-end and front-end systems, collaborating closely with designers, product managers, researchers, and data analysts. Your responsibilities will include mentoring fellow engineers and working alongside the Engineering Manager to refine team development and technical strategy.Your ResponsibilitiesAs a seasoned engineer, your contributions will include:Enhancing our technical architecture to accommodate the scaling demands of our diverse clientele.Prioritizing agility alongside scalability and availability, supporting continuous deployment and incremental feature releases.Engaging in all phases of software development, contributing to high-impact projects that improve our service delivery.

Join a prestigious and well-established company in the Berlin real estate and housing sector, where you will play a key role in supporting the Board of Directors. Our company culture is defined by clear structures, high stability, and an impressively low turnover rate. Here, the focus is on people rather than the corporation, fostering an environment based on values, reliability, and genuine long-term commitment.We are seeking a dedicated Executive Assistant to the Board (w/m/d) to enhance our team, characterized by foresight, discretion, and independence.Your responsibilities in the Board Office include:In this position, you will provide comprehensive organizational and administrative support to the Board. This includes coordinating appointments, travel arrangements, and correspondence, as well as maintaining an efficient follow-up system.A significant focus will be on independently managing committee work, including tasks related to the Supervisory Board, Representative Assembly, and Advisory Board—from invitations to documentation and mailings.You will also organize both internal and external events, preparing and overseeing their execution, whether they are employee gatherings or formal occasions.Additionally, you will handle correspondence from affiliated organizations, manage guest receptions, and maintain professional relationships, ensuring smooth operations within the Board Office.

Join the innovative team at emnify as a Staff Data Engineer (m/f/d) in Berlin, where you will play a critical role in enhancing our data infrastructure and driving data-driven decisions. You will collaborate with cross-functional teams to design and implement scalable data solutions, ensuring the integrity and accessibility of our data resources. If you are passionate about data engineering and want to make a significant impact in a dynamic company, apply now!

This hybrid role is based in Dublin, Ireland (Full relocation provided). At Toast, we are dedicated to empowering restaurants and local businesses to thrive in a digital world. Our innovative technology solutions assist business owners in operating efficiently, boosting sales, engaging customers, and fostering employee satisfaction. Our Mission Toast is proud to be the leading hospitality platform in the United States, and we are now setting our sights on global expansion. As a member of our International team, you will help build the foundational systems necessary for launching Toast into new markets. Join our high-impact engineering team that takes ownership of solving complex technical challenges in a dynamic setting. We seek leaders who excel in technical capabilities while maintaining a strong product focus to foster continuous growth for both our team and platform. Your Role (Responsibilities) Lead intricate projects within a collaborative cross-functional environment. Coordinate our backend services to facilitate internationalization across both restaurant and cloud software. Design, build, deploy, and maintain robust and scalable systems that are essential for our customers’ success. Refine our technical strategies for data management to support our international initiatives. Provide mentorship and technical guidance to fellow team members, spearheading technical discussions and promoting best engineering practices. Engage directly with pilot customers (occasionally on-site) to ensure seamless delivery and operations. Champion best coding practices, elevating standards for yourself, your team, and the organization. Utilize cutting-edge AI tools to enhance your development workflow, boost productivity, and contribute to a culture of innovation and efficiency across the team.

Join Databricks as a Senior Staff Software Engineer! At Databricks, we are passionate about empowering data teams to tackle some of the world's most challenging problems, ranging from security threat detection to groundbreaking cancer drug development. Our mission is to build and operate the finest data and AI infrastructure platform, allowing our customers to concentrate on the high-value challenges central to their missions. Our engineering teams develop sophisticated products that address significant needs globally. We are responsible for one of the largest-scale software platforms, consisting of millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we frequently encounter cloud hardware, network, and operating system issues, and our software is designed to shield our customers from these challenges seamlessly. The Delta DML team is responsible for the core write-path operations of Delta Lake, the open-source storage layer powering the Databricks Lakehouse. Our goal is to deliver top-tier performance and a smooth user experience at massive scales, with the majority of data processed in Databricks traversing our platform. We spearhead performance innovations such as Low Shuffle Merge and Deletion Vectors, and actively contribute to open-source initiatives to unify Delta and Iceberg formats. We are looking for a highly capable and experienced Senior Staff Software Engineer to join our backend team. In this pivotal role, you will be key in designing, developing, and maintaining robust backend systems that power Databricks workspaces. You will create the next-generation platform for serving workspace assets, ensuring high queries per second (QPS), low latency, reliability, and performance, while proactively addressing future growth challenges. Additionally, as a senior team member, you will provide technical leadership, mentorship, and guidance to junior engineers, enhancing overall team coding practices and system designs. Your Impact: Address real business needs at scale through your software engineering expertise. Conduct low-level systems debugging, performance measurement, and optimization on extensive production clusters. Architect design solutions, influence product roadmaps, and take ownership of new projects. Implement tools to enhance automation and operability of services. Utilize your extensive experience to help prevent and investigate production issues. Plan and lead complex technical projects that involve collaboration with multiple teams across the company. Act as a technical team lead by mentoring others, leading sprint planning, delegating tasks, and participating in project planning.

Join Databricks as a Senior Staff Software Engineer focused on Backend development and be part of a team that is passionate about solving the world's toughest challenges. At Databricks, we empower data teams to turn their visions into reality—from revolutionizing transportation to accelerating medical discoveries. Our cutting-edge data and AI infrastructure platform enables clients to harness deep data insights that elevate their businesses. As a company founded by engineers with a deep commitment to customer satisfaction, we thrive on tackling complex technical challenges, from designing next-gen UI/UX for data interfacing to scaling our services across millions of virtual machines. And we’re just getting started.In this role, you will collaborate with your team to build robust infrastructure and products for the Databricks platform, ensuring they operate at scale.

At Intercom, we are revolutionizing customer service with our innovative AI solutions, dedicated to helping businesses enhance their customer interactions.Our AI agent, Fin, stands as the most advanced customer service AI solution available, enabling businesses to offer unparalleled, round-the-clock support that significantly improves customer experiences. By integrating Fin with our Helpdesk, we deliver a comprehensive solution known as the Intercom Customer Service Suite, which is designed to handle complex inquiries that require a human touch.Established in 2011 and trusted by nearly 30,000 businesses worldwide, Intercom is committed to raising the bar for customer service. We are driven by our core values, which inspire us to push boundaries, innovate with urgency, and continuously provide exceptional value to our clients.What’s the Opportunity?We are seeking experienced Staff Product Engineers to join our AI Group, tasked with developing Intercom’s AI-driven products. In this role, you will collaborate closely with our ML Scientists and product teams to gain an in-depth understanding of our products, customers, and the machine learning technology stack we utilize.Our team is dedicated to defining new machine learning features, exploring suitable algorithms and technologies, and swiftly delivering initial prototypes to our customers.As a product-focused unit, we work in collaboration with the Product and Design teams to ensure we deliver the best possible AI-enhanced product experiences. Our engineers are instrumental in facilitating rapid production, often transitioning to beta releases within weeks following successful offline tests.We are passionate about leveraging machine learning technologies, and our projects range from classic supervised models to cutting-edge unsupervised clustering algorithms, and innovative applications of transformer neural networks. We rigorously test and measure the genuine impact of each model we deploy on our customers.If you are an accomplished product engineer with a strong analytical mindset and hands-on experience with machine learning systems, we would love to connect with you!

Die WBG „Hellersdorfer Kiez“ eG ist eine fortschrittliche Genossenschaft, die ca. 2.100 gut ausgestattete und bezahlbare Wohnungen in 5- und 6-geschossigen Gebäuden in Berlin-Hellersdorf sowie eine Seniorenwohnanlage in Berlin-Köpenick bereitstellt. Unser Team lebt den genossenschaftlichen Gedanken und zeichnet sich durch Lösungsorientierung, Herzlichkeit, Engagement und eine unkonventionelle Herangehensweise aus.In der Rolle des technischen Vorstandes sind Sie für die strategische und zukunftsorientierte Ausrichtung unserer Genossenschaft verantwortlich, gemeinsam mit dem kaufmännischen Vorstand. Ihr Hauptaugenmerk liegt auf:der gesamten Verantwortung für technische Bestandsbewirtschaftung sowie Facility Managementder kontinuierlichen Weiterentwicklung des Wohnungsbestandes und der Schaffung neuen Wohnraums unter Berücksichtigung demografischer und energetischer Herausforderungender Planung einer mittel- und langfristigen Instandhaltungsstrategieder Entwicklung innovativer Unternehmensstrategien in Bereichen wie Digitalisierung, Mobilität, Energie- und Klimamanagement sowie Brandschutzder Optimierung der EDV-Ausstattungder Personalverwaltung und -entwicklung in Zusammenarbeit mit dem kaufmännischen VorstandSie vertreten die Genossenschaft nach außen, arbeiten vertrauensvoll mit unseren Gremien zusammen und setzen sich aktiv für die Belange der Mitglieder ein.

Join Delivery Hero as a Staff Software Engineer specializing in AdTech Demand. In this key role, you will be pivotal in shaping our advertising technology solutions, driving innovation, and enhancing the user experience for our global audience. We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges.

Transform the Future of TravelBecome part of the GetYourGuide mission to connect travelers with unforgettable experiences worldwide. Our platform is trusted by millions for unique activities, all driven by our commitment to enhance each journey — including yours. Are you ready to unlock your potential alongside a community of fellow explorers? Explore your next opportunity at our Berlin headquarters or one of our regional offices worldwide, from New York to Bangkok. Visit getyourguide.careers to take the first step.Team MissionThe Supply Tech team empowers suppliers to deliver outstanding experiences at scale, enabling travelers to discover and book top-quality activities with confidence. We develop the essential platform and product capabilities that allow our supply partners to thrive: broadening their reach, maximizing revenue, differentiating their offerings, and streamlining operations through effective tools and support, all while ensuring a reliable marketplace characterized by fairness and transparency.Our group is driven by AI and a platform-oriented mindset, collaborating closely with Product, Design, Data, and Business teams to implement robust systems that scale within a complex supplier ecosystem. We grant engineers high levels of autonomy and ownership, encouraging practical trade-offs while maintaining high standards of quality, integrity, and long-term market adaptability.Your RoleEstablish the technical direction for Supply Tech: define target architecture, quality benchmarks, and multi-quarter technical initiatives that foster supplier growth (including self-serve onboarding, optimization, and quality assurance).Lead cross-functional collaboration on intricate projects: facilitate alignment, coordinate tasks across teams, and deliver measurable results while managing dependencies and trade-offs.Design and enhance scalable, maintainable systems facilitating supplier workflows (onboarding, catalog quality, and optimization cycles), emphasizing simplicity, resilience, and long-term viability.Elevate engineering standards and operational excellence: enhance reliability, monitoring, and incident preparedness; minimize systemic technical debt; and ensure our services operate safely at scale.Translate business objectives into technical strategies: collaborate closely with Product, Design, Data, and Commercial stakeholders to clarify outcomes, propose solution alternatives, and make decisions that balance speed, accuracy, and strategic flexibility.Develop effective methodologies for the team: promote reusable patterns (platform primitives, guidelines, etc.) and support engineering best practices.

Role Overview ABOUT YOU GmbH is hiring a Staff Application Engineer to work on both App and Web platforms. This role is based in Hamburg or Berlin. The position sits within the Product & Tech department and plays a central part in shaping our digital products for a wide range of customers. What You Will Do Design, develop, and implement solutions for both app and web platforms Work closely with cross-functional teams to deliver features and improvements Mentor junior engineers and help them grow their technical skills Influence architectural decisions and contribute to technical strategy Focus on enhancing user experience across our digital offerings Who We’re Looking For Extensive experience in both app and web development Strong background in collaborating with product, design, and engineering teams Ability to guide and mentor less experienced engineers Comfortable making architectural and strategic technical decisions

At Entyre, we are dedicated to revolutionizing healthcare by effectively balancing the needs for care through the innovative integration of human expertise and cutting-edge technology. Our committed care consultants operate internationally, empowered by our proprietary software solutions.We hold a strong belief that individuals requiring care, supported by their families at home, deserve to lead a self-sufficient and dignified life within their own residences. Through our initiatives Pflegewegweiser and Entyre Care, we strive to fulfill this vision by focusing on two fundamental aspects: delivering professional support to family caregivers across all domains of home care with our extensive knowledge and ensuring fair financial compensation for their invaluable contributions. Moreover, we are actively engaged in developing pioneering solutions in partnership with academic collaborators.In this essential, dynamic, and international setting, we are seeking a Staff Engineer (m/f/d) to become an integral part of our team in Berlin.Role OverviewWe are in search of a seasoned Staff Engineer to take charge of the entire software development lifecycle, encompassing design, implementation, and deployment. In this pivotal position, you will apply your profound technical knowledge to create high-quality, scalable software solutions while working closely with stakeholders across Germany, Switzerland, and the United States. Your contributions will be instrumental in defining our technical strategy and fostering ongoing enhancements within our systems and processes, ultimately making a significant impact on our growth journey.

Important: This position requires relocation to our Milan office.About SatispayAt Satispay, we are on a mission to transform the landscape of everyday payments, making them straightforward, equitable, and accessible for everyone. Our vision extends even further as we aim to redefine the future of finance. We are a collective empowering millions, united by a shared ambition to confront significant challenges together. And we’re just getting started.We embrace agility, encourage bold thinking, and foster a culture of trust where challenging the status quo is celebrated. If you seek more than just a job – if your goal is to create a lasting impact alongside a talented team – you have found the right place.Your RoleAs a Staff Software Engineer within the Consumer Wealth team, you will take on a pivotal and strategic role in determining how our users grow and manage their savings and investments. Your expertise will be essential in driving initiatives that empower millions to enhance their financial well-being through our innovative savings products, invested money box, and investment solutions.Here’s an overview of your responsibilities:Technical Strategy Development: Define the technical strategy for the Consumer Wealth domain, architecting complex subsystems that power savings and investment features, ensuring cross-product harmonization, and leading effective initiatives that impact multiple teams.Architectural Advancement: Design and implement scalable, high-quality systems that resolve intricate financial engineering challenges, including the management and simplification of complex back-end systems for savings and wealth management.Technical Leadership: Foster cross-organizational relationships to ensure technical alignment, represent our technical vision internally and externally, and stay ahead of emerging technology trends in the FinTech and wealth management sectors.Talent Development: Mentor the next generation of technical leaders and promote a culture of excellence in engineering and continuous improvement.Impact Generation: Contribute significantly to helping users grow their wealth and achieve their financial objectives through enhancements to the Consumer Wealth back-end infrastructure, directly supporting Satispay's mission.Prepare for a role filled with challenges, collaboration, and the freedom to bring your innovative ideas to fruition. Our technology stack includes a variety of advanced tools and platforms.

Please be aware that this role requires relocation to our Milan office.About SatispaySatispay is on a mission to transform everyday payments, making them straightforward, equitable, and accessible for everyone. Our vision extends beyond payments as we aim to redefine the future of finance. We are a collective empowering millions, united by a common purpose to address significant challenges, and we are just beginning our journey.As part of the Core Team, you'll engage with critical systems, managing external bank interactions, orchestrating payments, and establishing the foundational infrastructure for Identity and Access Management. Our responsibilities also encompass risk-related services, notably credit risk management and fraud detection.We operate with agility, embrace bold ideas, and foster a culture of trust where challenging the status quo is encouraged. If you seek more than just a job – if you're eager to make a meaningful impact alongside a talented team – you've found the right place.Your ResponsibilitiesAs a Staff Software Engineer within the Core Team, your role will be pivotal in defining the structure of our payment platform. You will contribute to the mission-critical systems that power Satispay, ensuring reliability, consistency, and security for millions of users.Your typical day will include:Define Technical Strategy: Establish the long-term technical vision for our vital domains, architecting complex subsystems that underpin the entire organization while balancing cross-product needs with a focus on speed and reliability.Architect Core Financial Systems: Design and scale high-throughput engines responsible for our transaction ledger, payment orchestration, and external bank integrations, ensuring our

Join scalablegmbh as a Staff Engineer in our Client Technology team, where you will play a crucial role in developing innovative solutions that enhance customer experiences. You will collaborate with cross-functional teams to design, implement, and optimize software solutions that drive our client-focused initiatives.