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Company

• We are a specialized Berlin-based technology company in the field of mobile surveying solutions.

Work location

• Berlin – Hybrid working: 2 days in the office / 3 days remote

Contract type

• Part-time or full-time possible

Job level

• Flexible experience for mid- to senior-level; focus on personal responsibility and technical ownership

About the product/environment

• Our ecosystem includes cloud backend, web frontends, interfaces to apps and hardware, automated data pipelines, and reporting functions.

Your tasks

• Further development of the cloud backend (Python/FastAPI)
• Expansion of the web frontend (Vue/React or comparable)
• Design and implementation of new API interfaces
• Working on data models, workflows, and automated pipelines
• Coordination with mobile and hardware teams
• Development of new features for data processing, project management, and reporting
• Participation in architectural decisions (scaling, modularization, security)
• Development of stable tests (unit, integration, and end-to-end tests)
• Continuous modernization of existing systems

Your profile

• Very good Python skills (backend)
• Experience with modern JavaScript/TypeScript frameworks (Vue, React, Svelte)
• Experience with REST APIs, ideally GraphQL
• Knowledge of databases (PostgreSQL, SQLite, or comparable)
• Experience with containerization (Docker)
• Experience with Git & modern development workflows
• Experience with cloud architectures (AWS/GCP) desirable
• Experience with geodata/GIS or large amounts of data
• Understanding of authentication/authorization concepts
• Interest in AI-based functions is a plus

Why us?

• Product with real added value for construction, network companies, and service providers
• Direct influence on architecture, feature roadmap, and technical strategy
• Work with real data, hardware, and a complete ecosystem
• A lot of autonomy, short decision-making processes
• Hybrid working model and a small, focused team

Company

• We are a specialized Berlin-based technology company developing a complete ecosystem for mobile surveying – consisting of an Android app, our own cloud infrastructure, backend services, and hardware developed in-house.

Work location

• Berlin – Hybrid working: 2 days in the office / 3 days remote

Contract type

• Part-time or full-time possible

Job level

• Flexible experience for mid- to senior-level; focus on independence and architectural decisions

About the product/environment

• 3tag is a modular Android app for mobile surveying that combines AR visualization and high-precision RTK-GNSS data.

Your tasks

• Rebuilding the entire iOS application – including architecture, navigation, UI/UX, and data management
• Developing a robust structure for later KMP integration
• Working closely with Android development
• Integrating our own surveying hardware (GNSS receivers, sensors, BLE, camera)
• Use of ARKit and RealityKit for AR-based measurement modules
• Optimization of network and database access
• Development of new features – including AI-supported functions
• Establishment of a stable test basis (unit tests & integration tests)
• Collaboration on the continuous modernization of the ecosystem

Your profile

• Very good knowledge of Swift
• Experience with ARKit / RealityKit
• Good knowledge of SQLite / SQL and data processing
• Knowledge of Kotlin desirable (due to KMP)
• Experience in app development with hardware connectivity
• Working with Git and conventional commits

Why us?

• You will build the entire iOS app from scratch – maximum design freedom
• Working directly with real surveying hardware
• Building a long-term, robust KMP architecture
• Short decision-making processes, a lot of autonomy
• Product with real added value and a clear target group

About us

• We are a specialized technology company developing a complete ecosystem for mobile surveying – consisting of an Android app, cloud infrastructure, backend services, and our own hardware. Our goal is to make modern surveying accessible, mobile, and efficient.

Work location

• Berlin · Hybrid working (2 days in the office, 3 days remote).

Contract type

• Part-time or full-time.

Job level

• Mid- to senior-level. Independence, technical judgment, and a willingness to actively participate in architectural decisions are important.

Your tasks

• Further development and modernization of our Android app
• Migration of existing Java modules to Kotlin
• Introduction of modern Android technologies (Material 3, modern concurrency)
• Development and expansion of our Kotlin multi-platform architecture (Android + iOS)
• Integration and further development of our in-house surveying hardware
• Development of new UI components and feature modules
• Design of AI-supported functions (e.g., in-app chatbot)
• Quality assurance including unit tests, reviews, and performance optimization

Your profile

• Very good knowledge of Kotlin and Kotlin Multiplatform
• Good knowledge of Java and Python
• Experience with SQLite/SQL, data processing, and network APIs
• Experience with multithreading, performance optimization, and modern app architecture
• Optional: ARCore, GDAL, OpenGL, geodesy/coordinate systems
• Structured, independent way of working and open communication

Benefits

• Work on a product that combines app, cloud, backend, and hardware
• Direct influence on architectural decisions
• Hybrid working model
• Modern devices & access to surveying hardware
• Collaboration with experienced Android developers
• Application process

Please send us your resume and, if available, links to projects or GitHub and a brief description of your Android experience. We will then arrange a technical interview (remote possible).

About us

• We are a data-driven company that focuses on data-based decisions, automation, and intelligent analytics.

Work location

• Berlin · Hybrid working (2 days in the office, 3 remote)

Contract type

• Part-time or full-time

Job level

• Mid- to senior-level

Your responsibilities

• Analyzing large amounts of data and developing statistical models
• Building automated dashboards and data-driven insights
• Working closely with product, operations, and engineering teams
• Conducting A/B testing, hypothesis testing, and exploratory analysis
• Deriving strategic recommendations for action
• Supporting data architecture and data governance

Your profile

• Very good knowledge of Python or R
• Experience with SQL, databases, and ETL processes
• Knowledge of statistics, machine learning, and data visualization
• Experience with tools such as Tableau, Power BI, or Looker
• Analytical thinking, structured approach to work, and clear communication

Benefits

• Active role in data-driven decisions
• Hybrid working model
• Modern equipment and opportunities for further development

About us

• We are a technology-oriented company that develops modern data products and intelligent automation solutions. Our goal is to build scalable AI systems that simplify complex processes and enable innovation.

Work location

• Berlin · Hybrid working (2 days in the office, 3 remote)

Contract type

• Part-time or full-time

Job level

• Mid- to senior-level

Your tasks

• Development and optimization of machine learning models for production applications
• Setting up scalable ML pipelines (training, validation, deployment)
• Collaboration with data engineers and the product team
• Evaluation of new models and algorithms
• Integration of AI-supported functions into existing software products
• Monitoring & performance tuning of productive models

Your profile

• Very good knowledge of Python and relevant ML frameworks (PyTorch, TensorFlow, scikit-learn)
• Experience with cloud environments (AWS, GCP, or Azure)
• Experience with databases, APIs, and MLOps tools
• Knowledge of statistics, model validation, and feature engineering
• Structured approach to work, strong communication skills, and ownership mentality

Benefits

• Work on AI products with real impact
• Hybrid work model
• Modern hardware & training budget