What you will be doing As a Hands-on Tech Lead, your mission is to be the primary technical architect and implementer for cutting-edge digital products, bridging Berlin Bytes' engineering prowess with Kambria's human-centric AI transformation insights. You will drive the entire software development lifecycle, from deeply understanding client needs and defining technical strategies, to hands-on coding and guiding solutions through rapid prototyping and market validation. This role demands end-to-end technical ownership with significant autonomy, ensuring solutions are robust, scalable, and directly deliver measurable impact. What You Will Be Doing: Hands-on Building: Lead the technical design and contribute significant direct code to cutting-edge, user-centric digital solutions and enterprise applications. You'll translate complex business challenges into elegant technical architectures and build out products from the ground up, often integrating AI components. End-to-End Technical Ownership: Take full responsibility for technical decisions, system architecture, and implementation quality. You will guide projects from initial concept through design, development, deployment, and ongoing iteration with minimal oversight. Client Collaboration & Technical Strategy: Work directly with clients to understand their needs, define technical requirements, and present solution approaches. You'll bridge business challenges with technical feasibility. Small Team Enablement: Direct a small, agile team (2-3 engineers) focused on rapid prototyping and market validation of new product concepts. You will provide practical technical mentorship and unblock challenges, ensuring efficient delivery and learning cycles. Engineering Excellence & Code Quality: Lead by example in contributing high-quality, maintainable code. Take full ownership of code quality, technical design patterns, and documentation across the codebase. Pragmatic Technology Exploration: Continuously research, evaluate, and prototype with emerging technologies, including advancements in AI, to creatively address client challenges and unlock new possibilities in digital transformation. Collaborative Technical Environment: Actively share deep technical knowledge and contribute to solution discussions across Berlin Bytes and Kambria teams, fostering an environment of continuous learning and technical problem-solving. Process & Tooling Improvement: Identify and implement improvements to our development workflows, tools, and processes to enhance efficiency and accelerate the delivery of impactful digital and AI solutions. We need you to have To build innovative digital products and integrate human-centric AI, we seek a Tech Lead with profound technical expertise, a strong 'maker' mindset, and the autonomy to drive end-to-end solutions. Must-Have’s: Technical Autonomy & Problem Solving: Proven ability to take full technical ownership of projects, independently identify and solve complex engineering challenges, and drive solutions from ideation to production deployment. You thrive on hands-on coding and pragmatic application of new technologies. Collaborative & Client-Facing Communication: Proven ability to work effectively and communicate complex technical concepts within cross-functional teams and directly with clients, fostering an environment of technical excellence and shared understanding. Programming Mastery: Expertise in at least one widely-adopted programming language (e.g., Typescript, Golang, Rust, Python, C#, C/C++, Java), including proficiency in its type system and comprehensive knowledge of associated tooling, such as build tools, package management, testing, and linters, for building robust enterprise solutions. API Design for Scalability: A track record of designing and building high-performance, scalable, and secure APIs using well-known frameworks (e.g., Express, Nest, Gin, Rocket, Flask, Django, .NET, Spring, etc.). Security Proficiency: A strong understanding of authentication systems, common security practices, and familiarity with open standards (e.g., OIDC) crucial for enterprise-grade digital solutions. Frontend Expertise: Real-world experience with at least one JavaScript/TypeScript frontend framework (e.g., React, Svelte, Angular, Vue, etc.) and a deep understanding of common browser APIs to build intuitive user experiences for complex applications. Database Mastery: Proficiency in data modeling for both relational and NoSQL databases, including an understanding of how data structures support advanced analytics and potential AI applications. Containerization & Orchestration: Hands-on experience with Docker and a comprehensive understanding of the container ecosystem, including Kubernetes, Helm, and related technologies, essential for deploying scalable digital platforms. Language Skills: Proficiency in both German and English (our clients are in DACH region mainly). Selected Nice-to-Have’s: Cloud Architecture & DevOps: Extensive DevOps experience, including building robust CI/CD pipelines and Infrastructure as Code (e.g., Terraform, CDK), with hands-on experience with at least one major cloud provider (Azure, AWS, GCP) in production environments. AI/ML Integration Experience: Direct experience with AI/ML concepts, frameworks (e.g., TensorFlow, PyTorch ), or successfully integrating AI services/APIs (e.g., NLP, computer vision) into production-ready applications. Mobile: Experience in mobile app development (Flutter, Kotlin, Swift) to extend digital solutions to mobile platforms. Benefits Office located directly at Backfabrik. Home Office: We are a team and value the personal face-to-face interaction. Therefore, we prefer our team to come into our office around 3 - 4 days per week. You will have a full-time desk available for you in case you want to come in every day. Occasional Workations are of course fine! Gym membership partial coverage. Subsidised BVG job ticket or Deutschlandticket. Company Pension scheme. The usual perks : New MacBook Pro, Double 4k Screen Setup. Company Day and Party once a quarter. Coffee/Tea option s optimised for quantity and quality. Snacks and fruits. Team lunch and breakfast once a week. Dog friendly office. Job practical details: Location: Berlin Commitment: Full-Time Level: Senior/P rincipal (depends on experience) Salary: up to € 95 k (base bonus component ) Holidays: 27 days per year About us We are Berlin Bytes. As a creative software development and consulting agency, we help businesses navigate the complexities of the digital landscape and unlock lasting value. Together with our clients we design, build, and scale innovative digital solutions & enterprise applications that deliver tangible results.