AI Software Engineer - Model Evaluation (f/m/d)

Our MissionAleph Alpha stands at the forefront of foundation model pre-training in Europe. Our clients across finance, manufacturing, and public administration require models that not only understand the German language but also comply with European regulations and operate effectively in high-stakes environments. Our innovative journey is based in Heidelberg…

Our MissionAleph Alpha stands as one of Europe's pioneering companies in the realm of foundation model pre-training. We cater to clients across finance, manufacturing, and public administration, delivering models that comprehend German, adhere to European regulatory standards, and function reliably in critical environments. Our journey unfolds in the vibrant city of Heidelberg.As we expand our pre-training team, we seek a dedicated individual to play a vital role in data management: determining the inputs for our models, establishing systems for sourcing and preparing data, and ensuring our training team has access to the highest quality data to enhance model capabilities.Team CultureAt Aleph Alpha, we cultivate an environment of ownership, autonomy, and empowerment. We trust our teams and individual contributors to take charge of their responsibilities and drive significant impact. Our flat organizational structure promotes efficient management, enabling swift decision-making, open dialogue, and a shared sense of purpose.About the RoleIn the capacity of a Senior AI Engineer focusing on Pre-training Data, you will engage in comprehensive data preparation—spanning sourcing, acquisition, processing, filtering, and mixture design. Some weeks, you may delve into data quality analysis, assessing the value of a corpus and how its composition influences performance on both public and custom evaluation tasks. Other times, you will refine large-scale processing pipelines or develop tools that provide the team insight into our models' training data. Additionally, you will stay abreast of the latest research on pre-training data methodologies, translating insights into experiments within our framework.We adopt an evidence-based approach to our data work. Filtering strategies, data mixtures, and quality thresholds are informed by rigorous experimentation; you will design and execute targeted studies to confirm that your data selections enhance model performance.We are in search of a candidate who brings a wealth of research experience (from either industry or academia) coupled with strong engineering skills.Your contributions will significantly impact our models: the data you source, curate, and synthesize will directly influence what our models learn, their performance, and their limitations. You will wield considerable influence over the models we deliver.Your ResponsibilitiesEnd-to-End Data Pipeline Management: Design, build, and maintain the infrastructure that sources, processes, deduplicates, filters, and prepares pre-training corpora at scale. Assume ownership of the entire conversion process.

Role overview This Senior AI Researcher position at alephalpha focuses on advancing artificial intelligence by developing and improving pre-training algorithms. The role is based in Heidelberg and centers on research that drives progress in pre-training methods for AI models. What you will do Lead research projects aimed at expanding the capabilities of pre-training in AI systems Collaborate with researchers and engineers to create and evaluate new approaches Design, test, and refine algorithms that contribute to the evolution of intelligent models Location This position is based in Heidelberg.

About the RoleIn today's landscape, critical business applications are frequently overlooked, leaving them vulnerable. At Onapsis, we address this challenge head-on by delivering top-tier cybersecurity solutions tailored for essential business applications. Serving nearly 30% of the Forbes Global 100, we empower organizations to navigate the risks and threats associated with SAP and Oracle systems, whether they operate on-premises, in the cloud, or in a hybrid environment.We are seeking a proactive and passionate Software Developer in Test to join our team, where you will play a crucial role in enhancing our platform's features related to application security testing for SAP applications. Your expertise will be invaluable in reviewing third-party custom code, managing transports, and implementing automated fixes for common coding issues.Your ResponsibilitiesIn collaboration with leadership, product management, engineering, and the Onapsis research team, you will design, implement, and execute comprehensive test procedures that guarantee our software features function correctly. You will focus on automation and further developing our automation capabilities by designing and utilizing test and build automation processes. Working closely within a software engineering team alongside cybersecurity researchers and product managers, you will help refine product definitions and ensure successful realization. Additionally, you will collaborate with the Architecture team to elevate our platform's maturity in technology, quality, and architectural design, while advancing our quality engineering processes to deliver superior products and services.

Our MissionAleph Alpha stands at the forefront of foundation model pre-training in Europe, creating advanced models that are crucial for sectors such as finance, manufacturing, and public administration. Our clients require models capable of comprehending German, complying with European regulations, and functioning reliably in critical environments. We are building this innovative technology right here in Heidelberg.We are on the lookout for a Senior Performance Engineer to join our pre-training efficiency team. If you are passionate about optimizing model performance and enhancing training speed, this is the perfect opportunity for you!Team CultureAt Aleph Alpha, we cultivate a culture of ownership, autonomy, and empowerment. Both teams and individual contributors are trusted to take charge of their projects and make a significant impact. Our flat organizational structure promotes efficient management, quick decision-making, open communication, and a shared sense of purpose.About the Role:As a Senior Performance Engineer, you will design and implement systems necessary for large-scale training of foundation models. Your primary goal will be to optimize hardware utilization and increase training throughput across our extensive GPU clusters, which include thousands of NVIDIA Blackwell GPUs. You'll operate at the intersection of deep learning frameworks, distributed systems, and GPU microarchitecture, proactively addressing bottlenecks from the Python layer down to the GPU kernel.Your Responsibilities:End-to-End Optimization: Utilize PyTorch Profiler, Nsight Systems, and Nsight Compute to analyze training loops, identifying and resolving system and kernel-level bottlenecks to enhance model throughput.Distributed Strategy and Topology: Set up and refine composite parallelism strategies (e.g., TP, DP, HSDP/FSDP, EP), focusing on optimizing load balance, minimizing critical-path bottlenecks, and managing communication-to-computation trade-offs for large-scale LLM training.Hardware-Aware Modeling: Collaborate with AI Researchers to establish model architectures that ensure hardware efficiency while maintaining convergence.Ideal Candidate Profile:Proficient in Python and the PyTorch library.Strong engineering background in parallel and/or distributed systems with a proven track record of excellence.Hands-on experience with contemporary machine learning techniques, specifically large language models and their lifecycle.

Our MissionAleph Alpha stands as a premier European company dedicated to comprehensive in-house model development encompassing pre- and post-training phases. We are committed to creating models with general-purpose capabilities that are also tailored to meet our customers' unique needs.We are expanding our post-training team in Heidelberg (or hybrid across Germany) and seeking an AI Researcher with a profound theoretical foundation in reinforcement learning methods, coupled with a passion for advancing state-of-the-art techniques and enhancing model capabilities through large-scale training.Team CultureOur culture at Aleph Alpha thrives on principles of ownership, autonomy, and empowerment. We trust our teams and individual contributors to take charge of their tasks and drive meaningful impact. With a flat organizational structure, we promote efficient and supportive management that facilitates swift decision-making, open communication, and a strong shared purpose.About the RoleAs a Senior AI Researcher specializing in reinforcement learning, you will play a pivotal role in refining and enhancing our RL methodologies, maintaining a high-quality training codebase, and executing large-scale experiments to optimize our performance benchmarks. This role is ideal for someone with a robust theoretical background in RL who is also driven to implement these methods in a production environment and further improve them within the reinforcement learning team.Your daily responsibilities will include conducting extensive reinforcement learning experiments, formulating hypotheses based on results, and iterating on both implementation and methodology based on observations. You will work collaboratively with your team to make a direct impact on the models delivered to our customers.This role is for Aleph Alpha Research GmbH.

Aleph Alpha focuses on advancing foundation model pre-training in Europe, serving clients in finance, manufacturing, and public administration. These organizations need models that handle the nuances of the German language, meet European regulatory standards, and perform reliably in critical applications. The Heidelberg office plays a central role in this work. The team operates with a strong sense of ownership and autonomy. Individuals and groups are trusted to manage their work and contribute directly to progress. A flat structure and supportive management encourage open dialogue, quick decision-making, and a shared commitment to the company’s goals. Role overview The Senior AI Researcher – Pre-training Data will push forward the scientific foundations of Aleph Alpha’s pre-training data. This position involves building the software and systems that enable this research, working closely with engineers and fellow researchers. A key focus is developing scalable data pipelines for both theoretical and practical research, with the aim of identifying which data sources most effectively improve model performance. Key responsibilities Design and run targeted ablation studies at different scales Formulate and test hypotheses informed by training dynamics Create new algorithms to estimate and enhance data quality Curate and prepare datasets for model pre-training Support engineering projects related to data research Write technical reports for both internal and external use Present research findings at technical meetings and conferences as needed Who will succeed This role fits those with a strong background in large-scale language modeling and an interest in questions around data scaling laws, synthetic data generation, and curriculum learning. Both scientific curiosity and practical engineering ability are important for success here.

Aleph Alpha seeks an IT Support Engineer (f/m/d) in Heidelberg to support and manage the company’s Apple device environment using Kandji/IRU. This position also takes responsibility for administering Google Workspace for a growing team of over 300 employees, helping ensure secure and reliable access to essential IT tools. Role overview Manage the Kandji/IRU MDM platform, handling device enrollment, app deployment, security policies, and compliance monitoring. Administer Google Workspace, including user onboarding and offboarding, configuring security settings, and maintaining data governance policies. Provide advanced support for macOS and iOS devices, resolving technical issues as they arise. Design and implement zero-touch deployment workflows to streamline onboarding for new team members. Create automation scripts to reduce manual IT work and improve efficiency. Maintain IT documentation, update knowledge base articles, and develop self-service resources for employees. Collaborate with Security and Infrastructure teams to maintain endpoint compliance and meet security standards. Requirements Several years of professional experience in IT support, with a focus on managing Apple devices. Direct experience with Kandji/IRU or other MDM platforms such as Jamf or Mosyle. Strong knowledge of Google Workspace administration and its security features. Solid understanding of enterprise management for macOS and iOS. Familiarity with ITIL processes and ISMS frameworks. Experience working with SSO and identity management solutions. Scripting skills in Python, Bash, or AppleScript for automation tasks. Excellent communication skills and a strong service mindset. Fluency in both German and English. Google Workspace certification is a plus. Benefits Work directly in a company shaping the future of AI. 30 days of paid vacation per year. Access to fitness and wellness programs.

Join Brainlab as a Software Engineer specializing in our Medical Content Framework. In this role, you will leverage your expertise in C++ and Java to develop innovative software solutions that enhance medical content delivery. Collaborate with cross-functional teams to create cutting-edge applications that improve patient care and streamline medical workflows.

Provide comprehensive radiological care to our patients, including participation in on-call duties.Share radiological services for the Heilig Geist Hospital Bensheim through employee leasing.Independently perform and assess radiological diagnostics.Manage and ensure high-quality radiological services in accordance with the latest medical standards.Collaborate with medical colleagues from various specialties and the nursing team.

Warmly welcoming patients and visitors to our facility.Managing incoming and outgoing mail efficiently.Answering and routing incoming phone calls promptly.

Join our vibrant team at Thalia Buchhandlung GmbH as a Deputy Head of Bookstore in the beautiful city of Heidelberg! In this exciting role, you will support the management of bookstore operations, ensuring exceptional customer experiences and effective team collaboration. Your passion for literature and retail will help foster a welcoming environment for our customers.

Join our dedicated team at artemedse as a Specialist in Dermatology and Venereology. We are looking for a passionate and skilled medical professional to provide exceptional patient care in a collaborative environment. You will have the opportunity to work with advanced technology and contribute to innovative treatment plans that enhance the quality of life for our patients.

Business Development Representative (m/f/d) Join Onapsis Europe GmbH in Heidelberg About Us: Onapsis is a proven market leader dedicated to safeguarding your enterprise's critical applications. Only Onapsis provides actionable insights, automated governance, continuous monitoring, and secure change capabilities that cross-functional teams require to optimize workflows and automate manual tasks. This empowers them to drive and accelerate SAP, Cloud, IoT, and mobility initiatives while ensuring that vital systems and data remain protected and compliance requirements are met. Headquartered in Boston, Onapsis has regional offices in Heidelberg (Germany), Buenos Aires (Argentina), Texas (USA), and Bucharest (Romania). The company proudly serves over 300 leading brands and organizations, including many from the Global 2000. For more information, follow us on Twitter, LinkedIn, or visit us at Onapsis.com. About the Role: As a Business Development Representative at Onapsis, you will collaborate with our Strategic Account Managers to generate leads for Global 2000 companies. Reporting to the Manager of Business Development, you will play a crucial role in expanding our business! We are looking for individuals who are quick learners, sales-driven, ambitious, and eager to make an impact! Key Responsibilities: Build a pipeline of leads for the sales team by qualifying incoming inquiries, researching customer accounts, identifying decision-makers, generating interest, and nurturing customer relationships to schedule high-quality appointments that drive revenue. Monitor key performance indicators (KPIs) daily and achieve individual and team goals through acquisition activities. Collaborate closely with the assigned Strategic Account Managers to develop market penetration strategies. Understand and communicate Onapsis’s value proposition to potential customers. Participate in quarterly sales meetings...

Perform cleaning duties within the hospital, including the operating room.Adhere to established hygiene regulations and internal protocols.

Why Join roadsurfer?CULTURE & TEAM EVENTS: Look forward to a collegial atmosphere with flat hierarchies, plenty of fun, and great team spirit. Enjoy regular team events, including sports sessions, barbecues, or simply an after-work drink at your station.CAMPER BUDGET: You will receive an annual free rental for our camper vans, allowing you to experience the #happyroadsurfing lifestyle yourself.DISCOUNTS AND BENEFITS: Take advantage of our corporate benefits platform, the Travel Industry Card, and discounts for family and friends.DEVELOPMENT & GROWTH: At roadsurfer, growth is central to our mission! Participate in our regular Station Life Camps and training sessions to network with team members from around the globe and enhance your skills—whether in vehicle knowledge or customer service—always supported by our learning and training experts.BUDDY PROGRAM: Upon starting, you will be accompanied by an experienced person from another station in the same role, helping you connect with the roadsurfer spirit beyond your own station.Your Role – Your PassionYou will coordinate the processes surrounding our camper vans—from preparation to return.You will actively assist in the preparation and support your team significantly.You will take on the professional guidance, instruction, and motivation of your team members.You will actively participate in training sessions to strengthen your team’s development.You will meticulously check returns, document any discrepancies, report them to our headquarters in Munich, and handle follow-up processes—addressing minor repairs yourself and coordinating larger repairs with experts.You will ensure that our quality and safety standards are maintained at all times.What You Need to Ride the Wave with UsA completed education—ideally in car rental, tourism, or a related field.Enjoyment in service and interaction with people—friendly, open, and communicative.Excellent organizational skills and an eye for detail.A proactive approach and the ability to motivate others.Fluency in German and good English skills.

Why Choose roadsurfer?TEAM SPIRIT & TEAM EVENTS: Enjoy a collegial atmosphere with flat hierarchies, plenty of fun, and great team spirit, complemented by regular team events such as sports sessions, barbecues, or after-work drinks at your station.CAMPSITE BUDGET: You will receive an annual free rental for our campers, so you can experience the #happyroadsurfing lifestyle yourself.DISCOUNTS AND BENEFITS: Make the most of our corporate benefits platform, travel industry card, and discounts for family and friends.DEVELOPMENT & GROWTH: Growth is a key focus at roadsurfer! Through our regular Station Life Camps and training sessions, you can connect with team members from around the world and enhance your skills—whether in vehicle knowledge or customer service—always accompanied by our learning and training experts.BUDDY PROGRAM: At the start, you will be guided by an experienced person from another station—holding the same position but located elsewhere. This way, you have a dedicated contact person and can get to know the roadsurfer spirit beyond your own station.Your Role – Your PassionYou will coordinate processes related to our camper vans—from preparation to return.You will actively support your team during the preparation and contribute hands-on.You will provide professional guidance, instruction, and motivation to your team members.You will actively participate in training sessions and strengthen the development of your team.You will carefully inspect returns, document discrepancies, report them to our HQ in Munich, and handle further processing—minor repairs will be done directly, while larger repairs will require coordination with specialists.You will ensure that our quality and safety standards are met at all times.

Rexel is looking for a Sales Representative in Heidelberg with a focus on the craft industry. This position centers on developing strong client relationships and delivering attentive service to customers. Role overview The Sales Representative manages client accounts and communicates regularly to support customer needs. The role also involves seeking out new business opportunities within the craft sector. What you will do Maintain and grow relationships with existing clients Identify and pursue new business prospects Ensure customer satisfaction through effective communication and support Requirements Motivation to work with clients in the craft industry Strong communication skills Interest in providing excellent customer service

Make an impact. Embrace humanity. Cultivate curiosity.About UsAt Rewire, we are at the forefront of the AI revolution, harnessing the power of data to transform the world. As the demand for innovative, impact-driven professionals grows, we are dedicated to not just following trends in Data & AI, but actively shaping them.If you are driven by the desire to solve complex challenges and deliver meaningful results, this opportunity is tailor-made for you! Your creativity and expertise will help us propel Rewire into the future, utilizing data and AI to create groundbreaking solutions.Join us in our mission to exponentially expand Rewire's influence! We are seeking a Cloud Engineer to take charge of our data & AI initiatives. In this role, you will collaborate with fellow Cloud, Software, Data, and AI Engineers, leading the design and implementation of high-quality cloud solutions for our clients.You will establish the core infrastructure of our cloud platforms and our clients’ cloud environments, ensuring security and scalability while automating processes. You’ll investigate new cloud technologies, transform architectural concepts into operational implementations, and develop reliable systems from complex requirements—all while enhancing your cloud expertise and contributing to Rewire’s technical leadership.Become part of a vibrant team of data & AI specialists who tackle significant challenges, develop intelligent solutions, and enjoy the journey together. Ready to embark on this adventure?Your Impact AreasDesign and implement foundational cloud infrastructures– architect core infrastructure, platforms, and services that empower scalable products in AWS, Azure, or GCP.Collaborate across disciplines – engage closely with engineers, AI specialists, and business transformation leaders as a technical peer to deliver production-ready cloud platforms that yield significant client impact.Facilitate scalable AI and event-driven systems – design, deploy, and refine CI/CD pipelines, serverless architectures, networking, security, and the infrastructure that supports ML/AI workloads.Create and maintain high-quality infrastructure code – utilize Terraform, Python, and modern cloud tools to automate everything from environments to deployments with utmost reliability.

Sales Associate (m/f/d) in Heidelberg and Mannheim – Full-Time or Part-Time Wanted!Are you a passionate sales associate who thrives on direct interaction with customers? Do you have a love for fresh baked goods and aspire to work with a prestigious bakery brand? If so, we want you on our team! We are currently seeking dedicated Sales Associates (m/f/d) for our locations in Heidelberg (all branches within a 30 km radius) and Mannheim station, who can make a difference through friendly service and exceptional customer care.Your Benefits as a Sales Associate (m/f/d):Reliable working hours in morning or evening shiftsIndividual, flexible, and family-friendly vacation planningRegular training sessions for professional development in salesEmployee discounts on our fresh baked goodsTrusting company culture with support for personal mattersStrong team atmosphere with collegiality and solidarityYour Responsibilities as a Sales Associate (m/f/d):Customer service and sales: Delight our customers with knowledgeable and friendly advice to create a pleasant shopping experienceProduct display and shelf maintenance: Ensure order, freshness, and an appealing presentation of our productsCash handling and reconciliation: Manage the cash register autonomously and conduct daily financial reportsYour Qualifications as a Sales Associate (m/f/d):Completed training in sales or initial experience in retailCareer changers with a passion for sales are also warmly welcomedGood command of the German language, both written and spokenFriendly and groomed appearance along with a joy for interacting with peopleTeam-oriented, reliable, and customer-focusedInterest in high-quality baked goods and a modern sales environmentYour Next Step as a Sales Associate (m/f/d):Become part of a strong team in Heidelberg or Mannheim and bring your personality and enthusiasm into daily customer interactions. Whether you prefer full-time or part-time work, we look forward to your application!Your Contact Person at Aramaz Digital:Julia Nezel jobs@aramaz-digital.de +49 521 999 897 418