Senior Backend Engineer (Elixir) - Join Our Innovative Team

Are you passionate about your skills and eager to contribute to a dynamic team? If you don’t find a specific job listing that aligns with your expertise, we would love to hear from you! Share your story with us and highlight why you think you would be a valuable addition to our team at Bratte.Your insights are important to us, and we are always looking for talented individuals who can bring fresh perspectives.By submitting your application, you agree to our Data Privacy Notice for Candidates.

About the Role strersecokgaastrergruppe is looking for a Senior Backend Engineer with strong Python skills to help shape backend systems that support our business in Köln. This position focuses on building and improving backend solutions that matter to our company’s growth. What You Will Do Develop and maintain backend services using Python Work closely with teammates to solve complex technical problems Deliver reliable, well-tested software that supports business needs Who We’re Looking For Professional experience as a backend engineer Deep knowledge of Python Comfort working collaboratively to address challenges Location This role is based in Köln.

Think all IT consultancies are the same? Free your mind! At mindsquare, we believe in more: more challenge, more impact, more of you. Here, you're not just another employee; you become part of a unique community that challenges, supports, and celebrates you. When you join us, you embark on a journey of growth—professionally, personally, and as a human being.Because average is not an option. Free your mind @mindsquare!Your ResponsibilitiesIf you have experience in the SAP PP environment and are ready to take on responsibility, come and shape the future of production planning with us! As an SAP PP Consultant (m/w/d), you will play a central role in exciting projects:You will be responsible for SAP PP projects and develop customized solutions together with our clients to optimize their production processes and make them more efficient.

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.

Affinidi builds technology that puts data ownership in the hands of individuals and businesses. The company develops decentralized digital identity products, aiming to create a trusted environment where digital credentials support secure exchanges across industries and borders. Privacy and security are central to every solution. Role overview The Senior Backend Engineer (Rust) will focus on developing and enhancing backend systems that power Affinidi’s digital identity offerings. This position emphasizes scaling, performance, and security. The work done in this role will shape how Affinidi’s products evolve to support secure data exchange. Location Based in Berlin, Germany.

If you haven't yet discovered the perfect job among our current listings, we invite you to share your dream role with us. What ignites your passion? What activities do you genuinely enjoy doing?At instagrid, we are always eager to hear from skilled individuals who are enthusiastic about contributing to our mission of becoming a leading player in the global energy transition.

Join ABOUT YOU GmbH as a Backend Engineer and become part of a dynamic and innovative team. In this role, you will be responsible for developing and maintaining our backend systems, ensuring reliability and scalability. You will collaborate closely with cross-functional teams to deliver high-quality software solutions that enhance our user experience.We are seeking individuals who are passionate about technology and eager to tackle complex challenges. If you thrive in a fast-paced environment and are looking to make a significant impact, we want to hear from you!

About Anthropic Anthropic is committed to building AI systems that are reliable, interpretable, and steerable. The team’s mission centers on making AI safe and beneficial for both users and society. Researchers, engineers, policy experts, and business leaders collaborate closely to advance this goal as the company grows. Role Overview: Infrastructure Engineer (Sandboxing Team) The Infrastructure Engineer will join the Sandboxing team within Anthropic’s Research organization in Berlin. This role focuses on designing and scaling the systems that let researchers safely run and experiment with AI-generated code and interactions inside controlled environments. As Anthropic’s AI models become more capable, secure execution infrastructure grows in importance. The work involves building distributed systems that must operate reliably at scale while maintaining strict security boundaries. Contributions in this position directly support Anthropic’s mission to develop safe, beneficial, and trustworthy AI systems. Key Responsibilities Design, build, and maintain distributed backend systems for secure sandboxed execution environments. Scale infrastructure to support expanding research and product needs, focusing on reliability and performance. Implement and manage serverless architectures and container orchestration systems. Collaborate with research teams to gather requirements and translate them into effective infrastructure solutions. Develop monitoring, alerting, and observability systems to ensure high operational standards. Participate in on-call rotations and incident response to help maintain system reliability. Enhance infrastructure automation and tooling to improve developer productivity. Work with security teams to ensure sandboxing infrastructure meets required isolation standards. What Makes a Strong Candidate More than 5 years of experience building and managing backend infrastructure at scale. Deep understanding of distributed systems design and implementation. Strong operational background, including troubleshooting complex production issues. Proficiency with cloud platforms, especially GCP/GCS; experience with AWS or Azure is a plus. Familiarity with containerization technologies and practices.

Distribusion stands at the forefront of the global ground transportation market, providing travelers with unparalleled access to various transport services online, from initial search to ticket purchase. Our innovative B2B technology platform seamlessly connects bus, rail, and ferry operators across 70+ countries with major online retailers, including Google Maps and Booking.com.As we continue to shape the future of travel, we are committed to building the world's largest network of transport providers and retailers. Backed by prominent venture capitalists (TQ Ventures & Lightrock), we are rapidly growing and are excited to leverage our recent $80 million Series C funding to expand our horizons further.We are on the lookout for a Senior Elixir Software Engineer to enhance our Search team. This position involves contributing to both product and technical excellence within our primary API, which facilitates seamless ticket purchasing for large retailers from bus and rail carriers worldwide. You will play a crucial role in enabling key booking system functionalities, including orchestration, invoicing, ticketing, and more.

Transform the Travel Experience Be a part of GetYourGuide's mission to revolutionize the way people explore the world. We connect millions with memorable travel experiences they can trust, driven by our dedication to making every journey exceptional—including yours. Are you prepared to unleash your potential alongside a community of passionate explorers? Discover your next opportunity at our Berlin headquarters or in one of our offices worldwide, from New York to Bangkok. Visit getyourguide.careers to embark on your journey. Your Role in Our Mission As a Senior Accountant, you will take charge of crucial reconciliation and reporting tasks, ensuring the delivery of high-quality financial data across various systems—from transaction details to month-end outputs. You will collaborate closely with accounting teams, FP&A, and Finance IT to maintain our financial operations, identifying root causes, enhancing processes, and fortifying documentation and controls. Key Responsibilities Lead complex reconciliations across diverse systems and data sources, thoroughly investigating discrepancies and resolving issues comprehensively. Manage substantial financial data volumes, guaranteeing completeness, accuracy, and robust audit trails. Conduct in-depth account analyses and create clear documentation that supports month-end closures, internal controls, and external audit needs. Collaborate closely with FP&A, Accounting, and Finance IT to ensure precise financial results, streamlined processes, and strong interdepartmental alignment. Dive deep into system and ledger particulars (SAP S/4 Hana and additional reporting tools) to pinpoint root causes, enhance data integrity, and optimize workflows. Assist in month-end and year-end closing activities, including preparing and reviewing journal entries and balance sheet substantiations. Identify and execute process enhancements, automation possibilities, and control improvements to boost efficiency and diminish risk. Support ad-hoc analyses and projects requiring strong accounting acumen, structured problem-solving, and clear communication. Essential Qualifications Minimum of 5 years of relevant accounting experience (in-house accounting, audit, advisory, or a blend), demonstrating a history of managing complex topics independently. Strong foundational accounting knowledge with the ability to apply it in high-volume, real-world scenarios.

Role overview Taktile supports banks and fintech companies by automating key decisions such as credit checks and risk assessments. The Senior Backend Engineer on Team Decide focuses on building and improving the distributed execution engine that drives customer workflows. This engine forms the foundation of Taktile’s automated decision-making platform. What you will do Design and implement backend systems for distributed workflow execution Take ownership of critical systems throughout their lifecycle, from architecture to deployment Collaborate with a small, dedicated team where each engineer’s perspective directly influences the product Address complex backend problems specific to automated decision-making in financial technology Location This role is based in Taktile’s Berlin office.

Distribusion stands as the premier global marketplace for ground transportation, facilitating seamless online access for travelers—from initial search to ticket purchase. Our state-of-the-art B2B technology platform connects bus, rail, and ferry operators across more than 70 countries with major online retailers such as Google Maps and Booking.com.We are on a mission to redefine travel by constructing the largest global network of transport providers and retailers. As one of the fastest-growing startups in the travel sector, supported by prominent venture capital firms (TQ Ventures & Lightrock), we are poised for significant expansion following our recent $80 million Series C funding.We are excited to invite a talented Senior Elixir Software Engineer to our Search team. This pivotal role involves contributing to both the product and technical excellence of our primary API, which enables large retailers to effortlessly procure tickets from bus and rail operators worldwide. Your contributions will enhance our booking system's functionality, encompassing booking orchestration, invoicing, ticketing, and more.

About the RoleAs a Senior Fullstack Engineer at peec, you will take charge of intricate product features, overseeing everything from architecture and data modeling to crafting aesthetically pleasing and high-performance user interfaces.Key ResponsibilitiesOwn complex product features from inception to completion, ensuring a seamless user experience.Transform product concepts and designs into pixel-perfect, production-grade interfaces utilizing modern frameworks and component libraries.Collaborate with Product, Design, and Engineering teams to define project scope, shape technical direction, and deliver delightful features.Enhance and evolve our backend infrastructure along with our frontend design systems, promoting consistency, scalability, and developer efficiency.Challenge existing paradigms across the stack by enhancing developer experience, introducing innovative capabilities, and fostering a culture of innovation.

About KeyfactorAt Keyfactor, our mission is to create a connected society grounded in trust through identity-first security for every machine and individual. We empower organizations to swiftly establish and uphold digital trust on a large scale. With decades of expertise in cybersecurity, we proudly serve over 1,500 companies worldwide. Our commitment to fostering a positive workplace has earned us recognition as a Best Place to Work, a testament to our dedicated team that shapes our culture as we evolve. Trust your future with Keyfactor!About the Position:As a Senior Software Engineer, you will be responsible for the development and maintenance of software applications, implementing new features, and ensuring the highest standards of code quality. You will collaborate with team members to design and troubleshoot intricate solutions.Work Location: This role can be performed either from our Aachen office or remotely within Germany, with occasional in-person meetings every few months. Applicants must possess a valid Right to Work in Germany.

Are you passionate about artificial intelligence and eager to contribute to cutting-edge projects? As a Senior AI Engineer at 1global, you will play a pivotal role in developing innovative AI solutions that drive our business forward. You will collaborate with a dynamic team of engineers and data scientists to design, implement, and optimize AI algorithms and models.Join us in shaping the future of AI technology!

Are you ready to take your career to the next level? Join dev2 as a Senior Data Engineer specializing in Python and play a pivotal role in our data-driven projects. You will work closely with cross-functional teams to design and implement scalable data solutions that drive innovation and efficiency.In this role, you will:Design, develop, and maintain data pipelines and ETL processesCollaborate with data scientists and analysts to optimize data storage and retrievalEnsure data quality and integrity through rigorous testing and validationContribute to architectural discussions and guide best practices

Role Overview Endava is hiring a Senior DevOps Engineer for its Berlin office. This role focuses on building and maintaining cloud infrastructure, working alongside cross-functional teams to deliver reliable and secure solutions for clients. What You Will Do Automate deployment pipelines to streamline software releases Manage and optimize cloud environments Monitor systems to ensure reliability and security Work with colleagues from various disciplines to design and implement scalable solutions Promote DevOps practices and help shape the team’s approach Mentor junior engineers and support their growth Location This position is based in Berlin.

Join Our Team at JimdoAt Jimdo, we empower solopreneurs and micro-businesses to thrive by simplifying the journey of building successful online ventures. Since our inception in 2007, we have evolved from a small initiative in a Northern German farmhouse to a leading AI-driven platform with a diverse team of over 220 professionals from more than 50 nations, helping to create over 36 million websites worldwide.We believe in personalized, data-driven guidance that combines design, business tools, and cutting-edge AI technology to transform real user insights into actionable steps for our customers. Our mission is clear: to help self-employed individuals navigate the complexities of running a business with confidence.Your Role:As a Senior Backend Engineer, you will be instrumental in enhancing and scaling our backend systems, ensuring they deliver optimal performance and reliability. You will collaborate with cross-functional teams to create seamless integrations and contribute to our commitment to innovation.Your Contributions:Design, develop, and enhance API services with a focus on scalability and performance.Work closely with cross-functional teams to understand requirements and ensure backend solutions are fully integrated.Maintain high standards of code quality through thorough reviews and testing.Diagnose and resolve backend issues to minimize downtime and enhance performance.Stay abreast of industry trends and best practices in backend development.Provide valuable insights and feedback to the Tech Lead and stakeholders regarding backend solutions.

Are you eager to transform significant moments into beautiful memories with us?If you couldn't find a suitable job among our listings, don't worry! We are always excited to hear from passionate individuals. If your ideas and skills can inspire us, we are more than willing to create a new role for you. Share with us why you would like to join our team and how your talents can contribute to our mission.Your RoleUtilize your expertise to help us achieve our vision.Engage in one of the following domains: Product & Business Development, Business Intelligence, Design, Human Resources, Employer Branding, Marketing, Content, Engineering & Development, Finance, Customer Care.