HALLO BERLIN

Backend Architect | Python | AI start-up | Germany (remote, onsite 1 x quarterly)I'm partnered with an AI start-up backed by fresh funding looking for a Backend Python Architect.The team is senior, engineering-led, and drawn from top-tier tech environments, with experienced leadership and real technical ambition.You are a backend architect or very senior Python engineer who enjoys starting with a clean slate. You’ll define backend architecture, APIs, and data models, designing systems that are scalable, secure, and built for low-latency, data-intensive workloads. You’ll work closely with infrastructure on Kubernetes-based orchestration and collaborate daily with frontend and UI UX to deliver a cohesive end-to-end platform.You have strong Python experience in production systems and a deep understanding of distributed systems, modern backend frameworks, and architectural trade-offs. You care about security, observability, and resilience, and you’re comfortable guiding technical decisions across teams.Added bonus if you have experience in Kafka or RabbitMQ, WebSockets or server-sent events, Prometheus or ClickHouse, and databases such as PostgreSQL, Redis, or MongoDB.Why this role stands out• Architect a complex AI backend from day one• Senior team from leading global tech companies• Competitive salary with flexibility and equity options• Flat structure with real technical ownershipIf you enjoy building serious backend systems and want to do it at the right moment in an ambitious AI company, let’s talk.

Lead/Principal Data Architect | Germany (Hybrid)I’m partnered with a firm that has been turning engineering excellence into consistent growth for over five decades, generating strong revenue while maintaining technical integrity and independence. They are now looking to hire a Lead Data Architect.You’ll architect cloud native data platforms on Azure and Databricks, including workspace separation, Unity Catalog integration, lakehouse and medallion structures, compute patterns, access models and cost-efficient orchestration. You’ll define engineering standards for PySpark processing, streaming, metadata management and CI/CD for data. You’ll also diagnose complex performance issues, advise on governance and shape the tooling that supports the full data lifecycle. Delivery happens in small teams of 1–10 people, so your decisions have real impact.You bring 7 years in data or platform engineering and at least 2 years as a data architect. You’ve designed and delivered ETL and ELT pipelines, worked with large-scale distributed processing and understand how data platforms behave in production. You can code in Python/PySpark or are capable of reviewing, debugging and refactoring code to a high standard. Strong Java or Scala backgrounds are also welcome.Expect:• Architect platforms built on Fabric, Databricks Lakehouse and modern Azure or AWS services• Influence ingestion and transformation patterns, schema evolution and Delta optimisation• Lead decisions across compute patterns, cluster sizing, storage formats and table design• Implement observability and reliability practices that scale under real workloads• Work with strong engineering teams who expect technical leadership, not oversight• Shape ML/AI infrastructure for model training, deployment and monitoring• Solve the challenging edge cases internal teams typically avoidGerman fluency is mandatory.Hybrid in Germany across multiple locations.If this feels like a good fit, send over your profile and we’ll take it from there.

Senior Infrastructure Project Manager – HIRING ASAP Start date: ASAP Duration: 12-month contract Location: 2 days per week in Brussels, 3 days remote working (Have to be based in Belgium)Rate: €600 - €750 per day Summary Our client is seeking an experienced Infrastructure Project Manager to join the Infrastructure & Operations division on a long-term contract. The role supports multiple strategic technical projects across servers, networks, cloud, workplace, mainframe, and security domains. You will work closely with the IT leadership team and act as a trusted delivery partner in a demanding environment.ResponsibilitiesManage several technical infrastructure/operations projects simultaneously.Lead end-to-end delivery: planning, governance, stakeholder management, risk/issue management.Work with technical teams across servers, networks, firewalls, cloud, digital workplace, mainframe, and databases.Ensure alignment with project governance standards (primarily waterfall with some adapted agile practices).Contribute to portfolio reporting and coordinate with PMO when required.Act as a stable and trusted delivery resource within the team during a period of high workload.Key Skills7 years’ experience in technical IT project management, ideally within large corporate environments. Preferably Banking, Insurance or Pharma experience.Strong understanding of infrastructure domains:Servers, networks, firewallsCloud platformsDigital workplace & end-user computingMainframe (Microfocus experience is a very strong plus)Experience in regulated sectors (insurance, banking, pharma).Strong soft skills: assertive, trustworthy, relationship-builder, able to manage complex stakeholder environments.Ability to work independently and handle multiple concurrent projects.Familiarity with PM methodologies (Prince2, waterfall, agile).Requirement is English [French or Dutch]Preferred exp. sectors: insurance, banking, pharma - due to regulatory and legal requirements.

Founding Full Stack Developer – AI Startup | Remote (Europe)I’m partnered with a fast-scaling AI startup, fresh off a Series B raise, looking to bring on an early hire Fullstack Developer to shape the next generation of their platform.This is a role for hands-on builders who enjoy owning systems end-to-end, and building full stack applications from 0-100. You’ll work on production-scale APIs, and tooling that powers real-time generative AI applications.You’ll work withRuby on Rails, React and modern TypeScriptRESTful APIs and PostgreSQLContainerisation and orchestration (Docker, Kubernetes)You bring6–10 years full stack experienceBackground in early stage start-up teamsStrong hands-on background across multiple full stacks including but not limited to Ruby on Rails, modern JavaScript/SPA frameworksSQL Databases, ideally PostreSQLAbility to design, build, and deploy production-ready features end-to-endProficiency in database design, API development, and performance optimisationSolid GitHub or code samples that show technical depth and curiosityWhy joinSeries B funding and strong traction with enterprise, media, and government clientsWork directly on real-time generative AI systems at production scaleCollaborate with senior engineers in a small, high-impact team with no bureaucracyOwn architecture decisions, ship fast, and see your work go live in weeks100 % remote across Europe | Flexible hours | Equity includedIf you want to build the infrastructure and interfaces that make AI talk, get in touch

Principal Product Designer | Hybrid, GermanyI am partnering with a leading European tech company valued at €2.9B that is hiring a Principal Product Designer.You will own end-to-end design across multi-platform user journeys, shaping high-impact experiences used across European markets. This role requires strong craft, strategic thinking and the ability to influence senior stakeholders in high-visibility environments.The design team works with an open-source UI component library built on atoms, molecules and organisms, with design tokens and a React and TypeScript front-end that supports efficient design to code workflows.You will:Lead UX strategy and execution for complex, data-rich B2B flows on desktop and mobileTranslate insights into scalable components and interaction patterns in FigmaPartner with research to run studies, validate hypotheses and refine behaviourDrive design quality through structured systems, tokens, visual hierarchy and responsive rulesInfluence directors and senior stakeholders, navigate challenging conversations and anchor decisions in metrics, OKRs and measurable outcomesMentor senior and mid-level designers and raise overall craftCollaborate with engineering to ensure high-quality implementation and system alignmentYou should bring:Proven experience operating at principal level or equivalent senior design leadershipExceptional visual and interaction craft with a portfolio that demonstrates strong hierarchy, clarity and high fidelityStrong record of stakeholder management with concrete examples of negotiation, pushback and decision framingAbility to show business impact with clear metrics, outcomes and trade-offsExperience in design systems or large-scale UI architectureFluency in Figma, component libraries and modern design standardsIf you want a role where UX has real influence, where your craft sets the standard and where strategy and execution meet, send your CV and portfolio for a confidential discussion.

Senior Fullstack Engineer – Series B AI Startup | Remote (Europe)I’m partnered with a fast-scaling AI startup, fresh off a Series B raise, looking to hire an early hire Fullstack Developer to shape the next generation of their platform.This is a role for hands-on builders who enjoy owning systems end-to-end, from backend architecture to clean, functional UI. You’ll work on production-scale APIs, and tooling that powers real-time generative AI applications.You’ll work withRuby on Rails (6 ), React (17 ), TypeScriptRESTful APIs and PostgreSQL (Prisma)Containerisation and orchestration (Docker, Kubernetes)CI/CD (GitLab, GitHub Actions), AWS/GCPTesting (RSpec, Jest, React Testing Library)You bring3–10 years fullstack experience in startup or product-led teamsStrong hands-on background with Ruby on Rails (v6 ), React (v17 ), JavaScript (incl. ES6 )SQL Databases, ideally PostreSQLAbility to design, build, and deploy production-ready features end-to-endProficiency in database design, API development, and performance optimisationSolid GitHub or code samples that show technical depth and curiosityWhy joinSeries B funding and strong traction with enterprise, media, and government clientsWork directly on real-time generative AI systems at production scaleCollaborate with senior engineers in a small, high-impact team with no bureaucracyOwn architecture decisions, ship fast, and see your work go live in weeks100 % remote across Europe | Flexible hours | Equity includedIf you want to build the infrastructure and interfaces that make AI talk, get in touch

Principal Product Designer (Hybrid - Germany)I’m partnered with a leading European tech company valued at €2.9B, hiring a Principal UX Designer.You’ll lead end-to-end user experience for a platform that supports complex B2B workflows across desktop and mobile. This role focuses on understanding users, shaping interaction models, and aligning product decisions with real business impact. You’ll work closely with product, research, engineering and data science to define problems, validate hypotheses, and translate insights into scalable design solutions.Expect to:Define UX strategies and frameworks for data-heavy tools, improving workflow efficiency and usabilityConduct and synthesise user research with researchers and PMs to uncover pain points and inform prioritisationMap complex user journeys, design information architecture, and prototype intuitive interaction patternsCollaborate with product and engineering to validate designs through usability testing, metrics, and A/B experimentsContribute to a shared design system, ensuring consistency, accessibility (WCAG), and scalability across productsMentor designers on UX best practices, design thinking, and evidence-based decision makingIf you’re a user-centred design leader who thrives on complex problem-solving, collaboration, and measurable results, let’s talk. Send your CV and portfolio for a confidential chat.Please note, if you do not have a digital portfolio, unfortunately you will not be considered for this position.

Senior Software Engineer | Global Music-Tech | EstoniaI’m partnered with a global music-tech company that powers how artists and labels connect with millions of fans around the world. Their engineering team is growing, and they’re looking for an experienced Senior Software Engineer to help shape what comes next.You’ll build and scale core platforms that sit at the heart of global music distribution and analytics.The stack includes React and TypeScript on the front end, Node.js and AWS on the back, with Snowflake, RDS, and Neo4j driving data insights.It’s a role for someone who enjoys hands-on development, cares about performance, and knows how to ship well-engineered systems that last.You’ll bring around 8 years of experience building modern web applications, a solid grasp of microservices, REST/GraphQL APIs, and CI/CD pipelines, and an eye for writing clean, maintainable, secure code. You’ll also have the confidence to influence architecture and mentor others when it makes sense.Why this role stands out• Join a global music-tech leader with real scale and impact• Build products that directly support artists and creative teams• Work with a modern tech stack and have freedom to shape architecture• Collaborate with smart, humble engineers who care about both code and creativity• A culture built on trust, curiosity and shared passion for musicIf you’re ready to put your engineering skills into something that actually moves culture forward, I’d love to hear from you.