Full-stack Engineer

• Build and improve LLM-powered systems for complex tendering workflows
• Own features end-to-end from model/agent through API to the TypeScript front-end
• Build backend services, APIs, and web application integrations
• Collaborate with Product, Engineering, and Data teams to turn business problems into AI features
• Monitor, alert, and continuously improve production AI systems
• Practice trunk-based development with daily releases
• Maintain Cypress E2E tests and strict typing, linting, and formatting
• Deploy infrastructure to AWS via Kubernetes using Terraform

Senior AI Product Engineer building LLM systems for Cosuno’s construction tendering platform

Senior AI Product Engineer

Senior AI Product Engineer building LLM-powered tendering and procurement features for Cosuno’s construction technology platform. Shipping AI end-to-end across Python, APIs, and TypeScript web applications.

• Develop features across the stack using Angular and NodeJS, deployed on Microsoft Azure
• Collaborate with product management, design, and engineering teams to find technical solutions for customer challenges
• Ensure long-term sustainability and maintainability of the codebase through development practices, architecture decisions, and code reviews
• Use AI coding agents for scaffolding, refactoring, test generation, and code review while evaluating and owning output quality
• Help shape adoption and integration of agentic development tooling into engineering practices and the CI/CD pipeline
• Participate in code reviews, knowledge sharing, and mentoring junior team members
• Participate in product discovery and help shape software aligned with user needs

Full-stack engineer building Angular, NodeJS, and Azure software for manufacturing digitization

Product Engineer

Full-stack engineer building Angular, NodeJS, and Azure software for Operations1’s manufacturing digitization platform. Shaping product solutions, AI-assisted development, and sustainable engineering practices.

Backend Engineer

• Further development and optimization of existing Laravel-based systems
• Design and implementation of new features and applications
• Conducting code reviews and actively ensuring code quality
• Contributing to the development of technical concepts, architectures, and development standards
• Sustainable reduction of technical debt and continuous improvement of existing systems
• Close collaboration with Product Management and the development team

Senior PHP/Laravel-Entwickler für Legal-Tech-Webanwendungen bei eRecht24

Senior PHP/Laravel Developer

Senior PHP/Laravel-Entwickler für eRecht24s Legal-Tech-Plattformen rund um IT-Recht, Datenschutz und Compliance. Weiterentwicklung langlebiger Webanwendungen und Sicherstellung hoher Codequalität.

Software Engineer

• Designing and implementing complex software solutions for customers using SAP Business One®
• Developing custom add-ons and applications from scratch for customer and product environments
• Optimizing and extending existing applications
• Documenting source code
• Contributing to projects focused on developing customer-specific application solutions

SAP Business One developer creating customized ERP add-ons for German IT services provider DATAGROUP

SAP Business One Application Developer

SAP Business One developer designing customer software solutions and add-ons for DATAGROUP, a leading German IT services provider. Extending applications with C# and SQL.

• Develop, implement, and maintain new features and modules for PHP-based software products
• Work within the shop software as well as on integrations and API endpoints
• Continuously improve the product, processes, and development teams by contributing ideas and suggestions for improvement
• Use PHP, JavaScript, HTML, CSS, MySQL, Git, and Scrum
• Ensure the quality, performance, and security of the shop software and other applications
• Troubleshoot issues, optimize existing code, and write clean, stable code

PHP Developer building secure e-commerce shop software and APIs for ECOMMERCE ONE

Senior/Mid-Level PHP Developer

PHP Developer building and maintaining shop software, integrations, and APIs for ECOMMERCE ONE’s e-commerce platform. Improving application quality, performance, security, and code.

• Go-to technical contact for the development team
• Hands-on programming and technical decision-making in day-to-day operations
• Functional mentoring without disciplinary management responsibility
• Implementing features and bug fixes within the sprint
• Taking on complex technical tasks and solving architectural challenges
• Contributing to architectural decisions regarding modularization, interfaces, and security
• Further developing core systems with C#/.NET and MS SQL into resilient, containerized services running in a Kubernetes cluster
• Addressing observability, performance, scalability, security, and deployment
• Providing technical support during refinement and explaining complex technical concepts clearly
• Expanding and optimizing CI/CD pipelines with GitHub Actions, ArgoCD, and Azure DevOps
• Establishing Clean Code practices, code reviews, and automated unit and system tests
• Contributing to shorter development cycles and more reliable deployments
• Building, documenting, and sharing knowledge across the team
• Contributing to process and system documentation
• Developing best-practice guides and technical standards
• Coaching developers in architecture, Clean Code, and systems thinking
• Supporting the onboarding of new team members
• Promoting continuous learning and professional exchange
• Coordinating with the Engineering Manager on technical matters and the overall technical direction

Lead C#/.NET Entwickler:in für Deutschlands größten unabhängigen Immobilienbewertungsdienstleister

Lead C#/.NET Developer

Lead C#/.NET Entwickler:in bei Deutschlands größtem unabhängigen Immobilienbewertungsdienstleister. Architektur, KI-gestützte Entwicklung und resiliente Kubernetes-Services.

• Lead the design and development of computer models and control system concepts for the VSC-HVDC market
• Lead work packages translating technology requirements into control concepts and mathematical/computer models
• Identify, capture, and generate new intellectual property
• Develop time-domain and frequency-domain mathematical models of VSC-HVDC systems, including plant and control models
• Validate models through MIL, SIL, HIL, and PHIL simulations
• Design, develop, and study VSC control functionalities
• Create and maintain requirement, design, and test specifications
• Propose conceptual system and control designs based on market requirements
• Create MATLAB/Simulink, PSCAD, and RSCAD models for design and validation
• Define, configure, and maintain real-time simulation platforms integrating GE’s eLumina control and protection system
• Define and plan development activities
• Participate in gate reviews, design reviews, and quality processes
• Lead a team of engineers executing research and development tasks
• Publish articles in technical conferences, journals, and symposiums
• Contribute to and influence CIGRE, VDE, ENTSO-E, and IEEE working groups and standards
• Ensure GE Health and Safety processes are followed by personnel

GE Lead Engineer developing VSC-HVDC models and controls for power-grid technology

Lead Engineer – Modelling, Control and Simulation

GE Lead Engineer developing VSC-HVDC models, controls, and simulations for power-grid technology. Leading engineering teams and standards work across Germany.

• Design, build, and operate backend services determining customer entitlements and usage costs
• Own end-to-end flows from licensing and purchase data ingestion through quota enforcement and consumption recording
• Evolve domain models for seat-based and usage-based commercial plans
• Design external integrations using idempotency, ordering, reconciliation, and eventual consistency
• Plan and execute live data migrations with feature flags, dual writes, backfills, and verification
• Define invariants, metrics, and alerts for system observability
• Design versioned, backward-compatible internal APIs
• Improve performance and reliability under continuous production load
• Decommission legacy subsystems
• Write integration tests against real dependencies and maintain test infrastructure
• Investigate production incidents, identify root causes, and implement lasting fixes
• Build a reliable entitlement and metering foundation supporting new billing models without downtime or data divergence

Senior backend developer building JetBrains entitlement, metering, and billing infrastructure

Senior Software Developer, JCP Core Foundation Licensing and Quotation

Senior backend developer building JetBrains entitlement and metering services. Designing JVM systems that accurately support customer quotas, usage tracking, and billing.

• Implement go-to-market engineering plays in collaboration with the GTM team.
• Write Python or TypeScript scripts to automate lead enrichment, campaign data pipelines, contact hygiene, and other GTM workflows.
• Build and maintain API integrations between CRMs, outbound platforms, data providers, and other tools.
• Set up automations that keep outbound processes running without manual effort.
• Prototype and productize AI-powered workflows to reduce manual work in high-volume campaigns.
• Build self-contained tools or features end-to-end with meaningful ownership.
• Help build Unikraft’s commercial motion, including campaigns, funnels, and tooling.

GTM Engineer automating AI-powered growth workflows for Unikraft’s millisecond-native cloud platform

GTM Engineer

GTM Engineer building Python/TypeScript automations, API integrations, and AI workflows for Unikraft’s efficient cloud platform. Supporting campaigns, enrichment, outbound systems, and commercial growth.

• Work as part of an agile, dedicated, and motivated development team to further develop the VISIT product
• Design and develop software components
• Develop code with a focus on performance and user-friendliness
• Ensure software quality through unit and integration testing
• Contribute creative ideas and solution approaches in an agile work environment

C#/.NET-Softwareentwickler für ASTRUM ITs Besucher- und Yard-Management-Software VISIT

C#, .NET Software Developer – Visitor Management

C#/.NET-Softwareentwickler für ASTRUM ITs Besucher- und Yard-Management-Software VISIT. Entwicklung, Qualitätssicherung und Weiterentwicklung von Software-Komponenten im agilen Team.

• Design and create scalable software, including client-side and server-side architecture
• Write clean, functional, and maintainable front-end and back-end code
• Use AI tools to optimize efficiency, code quality, and development processes
• Test software for responsiveness, efficiency, and accuracy
• Identify, debug, and resolve coding issues
• Oversee automated testing and provide feedback to management
• Contribute ideas to software design and development
• Conduct code reviews
• Develop and implement new features enhancing user experience and functionality

Java Full Stack Developer building AI-enhanced payment software for epay

Java Full Stack Developer – m/f/d

Java Full Stack Developer building scalable, AI-enhanced applications for epay, a global payment provider. Developing features, reviewing code, testing systems, and troubleshooting front-end and back-end software.

• Support the Fulfillment team in enhancing and reimplementing the generation and validation of event tickets, as well as their delivery
• Design and develop new features, from requirements analysis through implementation
• Make solution-oriented, pragmatic, and commercially sound decisions when balancing visionary ideas with optimal software architecture
• Monitor processes, with a particular focus on scalability
• Take on DevOps responsibilities in collaboration with two administrators
• Follow the “you build it, you run it” principle
• Develop and enhance online ticketing software in sprints

Fullstack-Entwicklung von Online-Ticketing-Software für Veranstaltungen bei ticket i/O

Senior Full-Stack Developer, Node.js

Fullstack-Entwicklung von Online-Ticketing-Software für Veranstaltungen bei ticket i/O. Arbeit mit Node.js, TypeScript, NestJS, React und AWS im Fulfillment-Team.

Frontend Engineer

• Take ownership of features across the entire stack as part of a product team
• Develop backend applications with Laravel and PHP 8.2+
• Develop frontend applications with Vue.js
• Integrate APIs and third-party systems
• Implement AI features in customer products, such as RAG workflows or assistant functionalities
• Clarify requirements directly with Product Owners and designers
• Develop applications and products with long-term maintainability and clean architecture

Fullstack-Entwickler für langlebige Laravel-, Vue.js- und KI-Produkte bei Digitalagentur SHAPE

Full-Stack Web Developer

Fullstack-Entwickler für langlebige Laravel-, Vue.js- und KI-Produkte bei SHAPE, einer Digitalagentur für Transformation und Experience Design. Entwicklung wartbarer Features über den gesamten Stack.

Android Engineer

• Develop and maintain Android applications using Kotlin
• Work closely with QA engineers on testing and issue investigations to ensure app stability and quality
• Collaborate with Product and Design teams, providing technical input and feasibility insights
• Ensure the performance, quality, and responsiveness of applications
• Write clean, maintainable, and testable code
• Stay up-to-date with the latest Android development trends and technologies
• Identify and fix bugs and performance bottlenecks
• Participate in code reviews and provide constructive feedback

Android Engineer building Kotlin apps for Lumiform’s frontline operations software

Android Engineer – Full-time

Android Engineer building Kotlin applications for Lumiform’s frontline operations software. Improving app stability, performance, testing, and quality for distributed frontline teams.

• Own the iOS codebase, including maintenance, optimization, and future-proofing
• Develop and test features that enhance the Arise app experience
• Anticipate technical pitfalls and proactively design solutions
• Collaborate with design to refine usability and user experience
• Align with Android developers to ensure cross-platform consistency
• Integrate features supporting monetization strategies and measurable business impact

iOS Developer building and optimizing Arise’s global weight-loss app for millions of users

IOS App Developer

iOS Developer owning Swift development for Arise’s global weight-loss app. Building, testing, and monetizing features used by millions.

• Contribute to development of a full robotics stack for an AGV, covering simulation, navigation, localization, robot behaviors, and internal tooling
• Perform testing and tuning of complex navigation systems directly on the AGV, on-site
• Work with the client's fleet manager on the robot's perception stack
• Diagnose and resolve hardware, networking, and embedded electronics issues on the robot in real time
• Potentially manage a team and its resources as the project scales
• Participate in designing and implementing solutions for challenging customer and R&D problems
• Travel for 1–2 week periods for on-site deployments when required
• Share passion for technology and professionalism with peers
• Support team and technical communities with receptiveness and empathy

Robotics Engineer building AGV software stacks for Ekumen’s engineering projects

Software Engineer – Roboticist

Robotics Engineer developing AGV simulation, navigation, localization, behaviors, and tooling. Working hands-on with physical robots for Ekumen’s client projects in Munich.

• Support the development of new features for KNOWYOURCHAT
• Contribute to AI-powered features and smart workflows
• Implement complex topics in a technically simple and user-friendly way
• Support frontend, backend, or full-stack development
• Gain insights into cloud technologies, architecture, infrastructure, and deployment
• Learn and apply modern development processes with CI/CD
• Test ideas and contribute your own suggestions
• Contribute to an actively growing and continuously evolving product
• Collaborate with the Founder/CEO team

Software-Development-Praktikum bei KNOWYOURCHAT, einer KI-gestützten Social-Media-SaaS-Plattform

Working Student – Software Development

Software-Development-Praktikum bei KNOWYOURCHAT, einer KI-gestützten Social-Media-SaaS-Plattform. Mitarbeit an Features, Workflows und moderner Cloud-Infrastruktur.

• Develop and modernize existing software solutions using C#, .NET 8+, and .NET Framework 4.8
• Develop and maintain cloud-enabled backend and server components, interfaces, and database access using Entity Framework/ORMs and PostgreSQL
• Operate Windows and Linux servers
• Automate deployment, operations, and administration processes
• Work with CI/CD, containers, and Infrastructure as Code
• Further develop cloud-enabled applications
• Contribute to monitoring, logging, troubleshooting, performance optimization, and IT security
• Document technical solutions
• Work in a role comprising 70% software development and 30% DevOps/system operations

Software Developer building C#/.NET cloud security solutions for Hamburg SAP-security company

Software Developer, C#/.NET – DevOps

Software Developer building C#/.NET backend and cloud solutions for IBS Schreiber’s SAP-security business. Combining software development with DevOps, automation, and server operations in Hamburg.

• Design, development, and implementation of microservices or web applications
• Front-end development
• Design and development of relational and NoSQL databases
• Execution and implementation of test automation for unit, integration, end-to-end, and UI tests
• Building technological and business expertise through exciting projects

Senior Fullstack Engineer für Microservices und Webanwendungen bei einer IT-Consulting-Boutique

Senior Full-Stack Engineer

Senior Fullstack Engineer für Microservices, Webanwendungen und Datenbanken bei QAVION GROUP. Entwicklung moderner Frontends und automatisierter Tests für nachhaltiges Unternehmenswachstum.

Game Engineer

• Deliver high-quality, aesthetically sophisticated work as Lead Lighting and Shading Artist on challenging projects for premium clients
• Take a leadership role on projects
• Provide support and guidance to other lighting artists
• Ensure the visual and technical quality of created assets
• Work closely with the development team to advance CGI pipelines and workflows
• Collaborate with a growing team of CG artists
• Inspire and energize team members toward common goals

Lead Unreal lighting and shading artist building scalable CGI content systems for Serviceplan's production unit

Lead Lighting and Shading Artist, Unreal

Lead Unreal lighting and shading artist delivering premium automotive CGI assets. Guiding artists and advancing scalable, real-time production pipelines for Serviceplan's AMP unit.

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