HALLO BERLIN

Your MissionOwn the backend architecture with a focus on scalability, security, and performance.Connect the simulation layer with the inference platform to deliver a unified system.Define backend patterns, APIs, and data models for complex simulation workflows.Align Kubernetes orchestration with backend needs for reliable scaling.Work alongside frontend, design, and infrastructure teams to keep the system cohesive.Build services that handle heavy data loads and low-latency requirements.Your ProfileProven experience building backend architecture from scratch in production.Strong Python background (5 years) with frameworks like FastAPI or Django.Solid grasp of distributed systems, data modeling, and integration-focused API design.Strong grounding in security best practices for sensitive data.Able to design systems that stay responsive, resilient, and maintainable under load.Comfortable guiding technical decisions across teams.Exposure to common ecosystem components: message brokers, real-time communication, metrics stores, SQL/NoSQL databases, and object storage.Why JoinCompetitive compensationFlexible hours and remote-friendlyFast decision-making, low bureaucracy, Join at a strong growth stageIdeas move from concept to production quicklyWork with an international, high-calibre engineering team

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.

SAP Basis Specialist | Germany (100% Remote) | 6 month FTCThis global leader invests over €300 million annually in R&D, building technology that protects and saves lives. Now they’re looking for an SAP Basis Specialist to help strengthen and modernise their global SAP landscape.Your SAP expertise will help power systems used in hospitals, emergency services, and industrial safety operations around the world.What you’ll doAdvise global teams on the use and optimisation of SAP systems.Monitor operations and ensure reliability across SAP environments.Analyse and resolve issues, identify root causes, and implement lasting fixes.Support incident, change, and service request management, plus user and access administration.Lead or contribute to sub-projects and upgrades, including Hypercare support.Coordinate external partners and service providers to ensure quality delivery.Maintain the product backlog, run improvement workshops, and update documentation.What you bringExperience in SAP Basis administration across hybrid environments (on-premise and cloud).Understanding of SAP system operations, integration, and scaling in global settings.Strong skills in monitoring, maintenance, and troubleshooting.Background in managing vendors and stakeholders.Degree or equivalent qualification in IT.Fluent English and German.Analytical, structured, and collaborative mindset.This full-time fixed-term position offers the chance to take ownership in a global IT environment where your work supports technology that keeps people safe every day..

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

Senior Frontend Engineer – Series B AI Startup | Remote (Europe)I'm partnered with an AI Startup, backed by fresh Series B Funding, looking to hire a Frontend Developer to join the team as an early hire.This role is for builders and engineers who care about performance, design, and detail. You’ll take full ownership of a new wave of browser-based tools built with React TypeScript Tailwind. Fast shipping, tight feedback loops, real product impact.You’ll work withReact, TypeScript, Tailwind, Zustand/ReduxAPI integrations with Rails-based backendsFigma-to-UI translationTesting (Jest, React Testing Library)You bring3–10 yrs frontend experience in startup or product-led teamsProven record shipping clean, responsive, high-quality UIsStrong eye for design and interactionReal GitHub or portfolio work that shows care for craftCuriosity for AI, creative tech, and voice interfacesEnergy, ownership, and ability to deliver autonomouslyWhy joinSeries B funding and serious traction with enterprise and media clientsBuild on real-time generative AI tech at production scaleSmall, senior engineering team, no bureaucracy, direct ownership100 % remote across Europe, flexible hours, equity includedIf you want to design and ship interfaces that make AI feel human, this is your seat.

Principal Product Designer (Hybrid - Germany)I’m partnered with a leading European tech company valued at €2.9B, hiring a Principal UI/UX Designer.You'll own the end-to-end design of a platform powering vast B2B workflows across desktop and mobile, backed by a mature design & engineering ecosystem.You’ll collaborate with product, research, engineering and data science to turn insights into high-impact interfaces built on a scalable design system. The team uses an open-source UI component library (atoms→molecules→organisms) and a React / TypeScript frontend layer allowing design-to-code handoff and reuse.Expect to:Translate complex data-rich dashboards and dealer metrics into elegantly designed UI components.Use Figma to design and iterate components that align with UI standards (spacing, breakpoints, typography variables, colour variables) e.g. the library lists spacing tokens $S 8px, $M 12px etc.Run and interpret A/B experiments (the company uses experimentation data to optimise conversion) so your design decisions are backed by measurable business outcomes.Negotiate design direction with senior stakeholders: advocate for the craft, balance business requirements and technical constraints, mentor other designers in the team.Ensure high-craft delivery: pixel-perfect UI, accessibility standards, responsive behaviour across viewports (e.g. breakpoints from 321px→1270px ).If you’re a hands-on design leader who can navigate detail and strategy, craft UI systems, influence product direction, and deliver measurable outcomes, let’s talk. Send your CV and portfolio for a confidential chat.