Senior Software Engineer - JavaCard

At Veo, we are at the forefront of AI-driven sports camera technology. Our cutting-edge, fully automated camera solution empowers sports teams to capture matches and training sessions effortlessly, eliminating the need for a camera operator. We are committed to democratizing sports by providing video analysis tools to teams of all levels, a service that was once exclusive to a select few. Currently, more than 40,000 clubs across 90+ countries utilize our technology to record their games on a weekly basis.What truly distinguishes us is our exceptional team. We are a diverse collection of innovative thinkers, creators, and problem-solvers who are passionate about delivering outstanding products while enjoying the journey.Your RoleAs a Senior Software Engineer specializing in API development at Veo, you will become a pivotal member of a newly formed team dedicated to enhancing our API capabilities. Your contributions will be instrumental in establishing the technical groundwork that enables reliable and scalable integration of external partners with Veo's platform.You will report to an Engineering Manager and work out of our Berlin office, collaborating closely with fellow engineers and a Technical Product Manager. Together, you will architect and build backend systems and APIs that are central to Veo's platform, making strategic architectural decisions that are crucial to our growth and connectivity within the broader sports ecosystem.

Your RoleYou will become a key member of our EXP Squad, responsible for developing customer-facing APIs and backend systems that enable enterprise clients to manage and automate their IoT connectivity. These production systems play a crucial role in enhancing adoption, scalability, and reliability.As a Senior Software Engineer, you will work at the crossroads of innovative product design and technical excellence. Your role extends beyond merely executing tasks; you will take complete ownership of features, driving them from initial discovery and architectural design through to deployment and ongoing iterations. You will be instrumental in creating scalable, secure, and extensible systems.Our core technology stack comprises TypeScript, Node.js, and NestJS, all hosted on AWS with Infrastructure as Code.Location: Berlin, Würzburg, or remote within Germany and Poland.

Statista Inc. is hiring a Senior Software Engineer with strong experience in Rust and AWS APIs. This position is based in Hamburg or Berlin and centers on building and improving cloud-based applications. Role overview This role involves designing, implementing, and maintaining scalable software systems. The focus is on ensuring performance and reliability across Statista’s cloud solutions. Collaboration with cross-functional teams is a key aspect, as projects often require input from different technical and business areas. What you will do Develop and optimize applications using Rust and AWS APIs Design software solutions that scale and perform reliably Maintain and improve existing cloud-based systems Work with colleagues from various teams to deliver impactful features Requirements Professional experience with Rust Hands-on knowledge of AWS APIs Ability to design and maintain scalable, high-performance software Comfort working collaboratively to solve complex problems

Join Synthflow AI, a revolutionary no-code platform designed for deploying voice AI agents that transform contact center operations and business process outsourcing (BPO) at scale. We empower mid-market and enterprise companies to efficiently manage routine calls, ultimately saving valuable time and resources for their teams.Our voice AI agents have made a significant impact:Saved over 5 million hours in contact center operationsIncreased call answering rates by 35% compared to non-AI operatorsHandled 45 million calls with an impressive 99.9% uptimeSupported by leading investors such as Accel, Atlantic Labs, and Singular, we are proud to serve over 1,000 customers and drive an industry shift towards advanced and accessible conversational AI.About the Role:We are seeking a Senior Python Engineer to develop robust, production-grade software and backend systems, focusing on databases, scalable APIs, and core engineering principles.Your Key Responsibilities:Design, develop, and maintain our backend infrastructure, ensuring scalability, performance, and reliability.Create and enhance data models and persistence layers with a strong emphasis on PostgreSQL best practices, including schema design, migrations, query optimization, indexing, and transactions.Develop and support enterprise-grade APIs using FastAPI, focusing on versioning, authentication/authorization, and observability.Participate in pair programming to foster code quality and team collaboration.Manage deployments and environments with Kubernetes and GitOps practices (ArgoCD).Conduct code reviews, offering constructive feedback and ensuring adherence to best practices.Contribute to end-to-end product delivery, including occasional front-end feature development when necessary.Qualifications:5+ years of experience as a Python developer, successfully delivering production systems.Proven expertise in building scalable and extensible data infrastructures.Strong familiarity with relational databases, particularly PostgreSQL (performance tuning, migrations, transactions).Experience in developing and maintaining enterprise-grade APIs using FastAPI.Solid understanding of engineering fundamentals and best practices.

GetYourGuide helps travelers find and book memorable experiences in thousands of cities worldwide. The company has operated since 2009 and now includes a global team of more than 850 people, with headquarters in Berlin and 16 local offices. More details about the team and culture are available on the careers page. This Senior Software Engineer position sits within the Developer Enablement Team in Berlin. The focus is on building and maintaining internal tools and platforms that make engineering teams more productive. The role centers on backend development and aims to streamline workflows, automate processes, and improve the experience of developers across the company. What you will do Maintain CI/CD pipelines: Enhance and support continuous integration and deployment workflows using GitHub Actions and ArgoCD to ensure reliable delivery of services. Manage GitHub access: Oversee repository permissions and workflows, enabling secure and effective collaboration across teams. Improve testing tools: Build and maintain automated testing solutions for Java, JavaScript, and Python projects to help strengthen code quality. Enhance local development: Develop tools that make local development environments faster and more consistent, especially for testing purposes. Enable AI-assisted engineering: Contribute to the evolution of in-house AI agents and support the adoption of AI tools within engineering teams. Support diverse engineers: Collaborate with developers working in various programming languages to create cross-language tooling that improves productivity. Contribute pragmatically: Write clean, maintainable code for backend systems and internal developer tools.

Role overview AMOSS is looking for a Backend Engineer to work on Content-API development. The position centers on backend systems that influence both user experience and overall system performance. Go is the main programming language, and the work includes close collaboration with teams using React. What you will do Develop and enhance backend APIs for content delivery Write clear, maintainable code in Go Work alongside frontend teams that use React Identify and solve complex backend issues Help improve system performance Location This role is based in Berlin.

At Upvest, we are dedicated to our mission of simplifying the investment process to match the ease of daily spending. Our platform empowers businesses to provide a diverse array of investment products and an unparalleled experience in capital market investments and retirement planning. With our user-friendly Investment API, fintech companies and financial institutions can seamlessly integrate solutions, allowing them to concentrate on their primary operations.We are proud to collaborate with leading fintechs and financial institutions in Europe, including DKB, Revolut, N26, and Raisin. Established in 2017 by Martin Kassing, Upvest is comprised of over 270 skilled professionals from more than 70 nationalities. We are supported by prestigious investors including Hedosophia, Sapphire, Bessemer Venture Partners, BlackRock, Earlybird, HV Capital, Notion Capital, and Motive Ventures.

Join our innovative team at dev2 as a Senior Backend Software Engineer, where you'll be instrumental in crafting robust and scalable software solutions. In this role, you will collaborate closely with cross-functional teams to design, develop, and deploy high-performance backend systems.

Join Our Team at GetYourGuide At GetYourGuide, we are the world’s leading platform for unforgettable travel experiences. Since our inception in 2009, we have empowered travelers across the globe to discover and book over 150 million tours, activities, and attraction tickets. Our headquarters in Berlin is home to a dynamic team of over 800 travel experts and technologists, united by a passion for making travel magical. Explore our careers page to learn more about our culture and values. Our Mission: Technology is the driving force behind our growth at GetYourGuide. We continue to innovate in Design, Engineering, and Product to redefine the travel experience. You will play a crucial role in developing solutions that simplify customer interactions and enable our partners to thrive. From creating fintech infrastructure to enhance payment processes to contributing to our strategic growth, the impact of your work will resonate globally. As part of our Engineering team, you will collaborate with diverse, cross-functional teams to enhance the magic of travel for our users. Your Role: As a Senior Software Engineer with a focus on Frontend, you’ll be an integral part of a product team. Collaboration and a customer-centric approach are key as you tackle real-world user challenges and shape the product experience. This is primarily an 80/20 full-stack role, utilizing TypeScript and Node.js for backend development. A robust knowledge of both frontend and backend technologies is necessary, particularly in managing our Server-Driven UI backend-for-frontend (BFF) layer, which involves creating backend components that adapt to frontend requirements to elevate the user experience. Your role will require close cooperation with product managers, designers, and stakeholders, so strong collaboration and communication skills are essential. We seek engineers who not only excel technically but also effectively advocate for customer needs and align with business objectives. You’ll support the team in building and scaling our platform, ensuring a seamless and engaging user experience.

Join our dynamic team at ppro as a Senior Software Engineer specializing in Risk. In this pivotal role, you will leverage your expertise in software development to enhance our risk management systems and ensure the robustness of our financial solutions. You will collaborate closely with cross-functional teams to architect, develop, and optimize software solutions that mitigate risks and enhance compliance.

At JetBrains, we are passionate about code. Since our inception in 2000, we have dedicated ourselves to creating the most powerful and effective developer tools available. By automating routine checks and corrections, our tools enhance productivity, enabling developers to innovate and create freely. Kotlin, a modern programming language developed by JetBrains, targets Java, Android, JavaScript, and native platforms. Since its introduction in 2016, Kotlin has rapidly gained traction, becoming the official language for Android development and receiving support from numerous frameworks, engines, and tools. With Kotlin Multiplatform and Compose Multiplatform, our mission is to empower Android developers to create exceptional multiplatform applications. The Kotlin Multiplatform Tooling team is at the forefront of this initiative, developing tools that simplify the process. We are actively working on Kotlin Multiplatform plugins for IntelliJ IDEA and Android Studio, alongside enhancing IntelliJ IDEA's Android support, KDoctor, and the Kotlin Multiplatform wizard. We are looking for a passionate Android developer who can share their insights and experience with our team while contributing to the development of tools that they have always envisioned. Our international and friendly team welcomes applicants who share our enthusiasm for coding.

Join our dynamic team as a Senior Front End Software Engineer, where you will play a crucial role in developing innovative front-end solutions for our platform. You will work closely with cross-functional teams to design, implement, and optimize user-facing features that enhance the overall user experience.

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.

About GetYourGuideGetYourGuide is the world's leading platform for unforgettable travel experiences, allowing travelers to uncover the best activities in their destinations. Since our inception in 2009, we have facilitated over 150 million bookings for tours, activities, and attraction tickets globally. With a dedicated team of over 800 travel experts and tech enthusiasts, we operate from our headquarters in Berlin, complemented by 17 local offices worldwide.Our Mission:At GetYourGuide, technology is the driving force behind our growth. Our Marketplace initiatives are redefining global travel experiences, and we invite you to join us in this mission. The features we develop allow customers to effortlessly book memorable experiences while empowering our partners to grow their businesses. This complex challenge presents a unique opportunity for you to create impactful solutions that scale across the globe.From crafting dynamic search and recommendation algorithms to designing new features that propel our growth, your contributions will have a tangible impact. We pride ourselves on pushing boundaries and discovering innovative ways to bring the magic of travel to people around the world.Our teams operate within cross-functional mission groups consisting of backend and full-stack engineers, mobile developers, data engineers, product managers, and designers.

Welcome to Planet. We are dedicated to harnessing the power of space to benefit life on Earth.Planet designs, constructs, and operates the largest constellation of imaging satellites ever created. This constellation provides an unparalleled dataset of empirical information through a groundbreaking cloud-based platform, serving key players in commercial, environmental, and humanitarian sectors. We embody both a space and a data company.Our clients worldwide utilize Planet's data to innovate technologies, increase revenue, advance research, and tackle some of the world's most formidable challenges.With comprehensive oversight over hardware design, manufacturing, data processing, and software development, our office is a vibrant hub of experts from diverse fields.We prioritize a people-centric culture and community, striving to evolve in a manner that values our team members and positions our company for future growth. Join Planet and contribute to our mission of transforming how people perceive the world.Planet is a global organization with team members working remotely from around the world and from offices in San Francisco, Washington, D.C., Germany, Austria, Slovenia, and the Netherlands.About the Role:As a Senior Software Engineer on the Calibration and Validation (CalVal) team, you will play a vital role in enhancing the integrity and progression of our geometric models. You will craft and deploy automated, scalable processes to ensure our products consistently surpass stringent geometric specifications and service level agreements (SLAs). Your responsibilities will include developing photogrammetric models, error budgets, and calibration concepts for our high-resolution monitoring programs, ensuring spatial integrity across various fleets. Furthermore, you will lead ongoing performance characterization and act as the principal investigator for intricate image quality issues, troubleshooting sensor models and geometric anomalies to devise long-term solutions that uphold Planet's exemplary spatial data standards.This is a full-time, hybrid position requiring you to work from our Berlin office three days per week.

As a Senior Frontend Software Engineer at dev2, you will play a pivotal role in crafting user-friendly interfaces that enhance our digital products. You will collaborate closely with cross-functional teams to design and implement innovative solutions that meet the needs of our users. Your expertise in frontend technologies will be key to driving our projects forward.

About RealistRealist is a pioneering WealthTech startup located in Germany, dedicated to revolutionizing the financial sector with state-of-the-art technology, insightful data analytics, and robust financial infrastructure. As we enhance our platform and technological capabilities, we are in search of a seasoned Senior Software Engineer to join our expanding team in Berlin and contribute to the creation of next-generation financial systems.About the RoleIn the capacity of Senior Software Engineer, you will be instrumental in designing and developing high-performance financial systems that efficiently handle vast quantities of data in a secure manner. You will collaborate closely with product, engineering, and data teams to architect scalable systems and aid in the development of intelligent, AI-driven financial applications.This position demands substantial experience in backend engineering, distributed systems, and data-intensive architectures, combined with a mindset conducive to a dynamic startup environment. We are particularly interested in candidates who are quick learners, capable of swiftly adapting to new technologies and evolving challenges.Key ResponsibilitiesDesign, develop, and maintain scalable backend systems that support data-intensive financial applications.Build and optimize high-performance OLTP systems for transaction-heavy workloads.Contribute to system architecture and design, ensuring reliability, scalability, and maintainability.

Join our dynamic team at Contentful as a Senior Software Engineer specializing in Backend & Infrastructure. In this pivotal role, you will design and implement robust backend systems that power our content platform. Collaborate with cross-functional teams to enhance our infrastructure, driving innovation and efficiency in our development processes.

About UsAt Perk, formerly known as TravelPerk, we are revolutionizing the way businesses handle travel and spend management. Our intelligent platform is designed to eliminate tedious manual tasks that hinder productivity, automating everything from travel bookings to expense management and invoice processing. By addressing the significant issue of shadow work, we aim to restore lost hours, enhance workplace morale, and ignite innovation.With over 10,000 companies, including industry leaders like Wise, On Running, Breitling, and Fabletics, relying on us, we are tackling the staggering $1.7 trillion problem of lost productivity in the workplace. Founded in 2015, Perk has expanded to a vibrant team of over 1,800 professionals across 12 global offices, with our headquarters situated in London and Boston. Our mission is to integrate innovation, control, and simplicity, transforming the work experience for businesses and their employees.Our core values emphasize ownership, delivering exceptional experiences, and working collaboratively as one unified team. We believe in fostering curiosity and a meaningful mindset to unlock your full potential. Our talent team comprises top minds from both the travel and SaaS sectors, representing more than 70 countries. If you are passionate about making a tangible impact and shaping how millions experience work, we invite you to join our team.To explore more about us, visit www.perk.com.