02/06/2025 updated

**** ******** ****
100 % available

Algorithm and Software Developer | Data Engineer | GIS Specialist

Espoo, Finland
Worldwide
Master of Science
Espoo, Finland
Worldwide
Master of Science

Profile attachments

Viljami_Perheentupa_recommendation_letter_12_12_2023_signed.pdf
Perheentupa_Viljami_CV.pdf

JavaScript3D ModelingGeographic Information SystemsApplication Programming Interfaces (APIs)Artificial IntelligenceAlgorithmsAmazon Web ServicesAmazon CloudfrontAmazon S3Data AnalysisArcGIS (Software)Cloud ComputingComputer ProgrammingDatabase DesignGeoServerInfrastructure ManagementPython (Programming Language)PostgreSQLMachine LearningOpenCVOpenStackPostGISPredictive ModellingVisualizationQuantum GIS (QGIS)TensorFlowRemote SensingSoftware EngineeringSpatial Data InfrastructuresSQLiteSQL DatabasesWorkflowsDocker SwarmGitEcosystemsSystem AdministrationScikit LearnKubernetesGeospatial Data Abstraction Library (GDAL)LuigiGraphQLPhotogrammetrySoftware Version ControlDatabase Administration
GIS and Remote Sensing
Expertise in Geographic Information Systems (GIS) and remote sensing technologies. Proficient in QGIS, ArcGIS, GeoServer, OGC APIs, Leaflet, GDAL, and LASTools for spatial data analysis and visualization.

Software Development
Strong programming skills with focus on Python, SQL, GraphQL, JavaScript, and various frameworks. Experience with version control systems like Git and development environments such as VSCode.

Machine Learning and AI
Competence in machine learning algorithms and AI applications, particularly in geospatial contexts. Skilled in TensorFlow, scikit-learn, and OpenCV for data analysis and predictive modeling.

Cloud Computing
Proficiency in cloud ecosystems, particularly AWS services including EKS, ECR, S3, and CloudFront. Experience with OpenStack and CSC cloud for scalable infrastructure solutions.

Database Management
Skilled in database design and management using PostgreSQL, PostGIS, and SQLite. Capable of handling complex spatial and non-spatial data structures.

Process Orchestration
Expertise in workflow automation and process orchestration using tools like Dagster, Luigi, Kubernetes, and Docker Swarm for efficient system management.

3D Modeling and Photogrammetry
Proficient in 3D modeling and photogrammetry techniques using software such as Correlator3D, Agisoft Metashape, RealityCapture, and Blender for geospatial applications.
 

Experience

Professional experience10+ years
Freelancer since2021

Languages

FinnishNative speakerEnglishFluentSwedishBasic knowledge

Project history

GIS Consultancy, System Architecture, and Data Engineering

CollectiveCrunch

Energy, Water & Environment

50-250 team member

Providing GIS data architecture and web map services on a part-time basis.

Software Developer, Geospatial Data Engineer

Sharper Shape

Energy, Water & Environment

50-250 team member

Long-lasting assignment for a client managing utility digital twins. Key contributions include development and maintaining of image delivery and orthomosaic pipelines, project manager role in a key customer project, developing processing orchestrator and pipelines, API integrations, map service backend, QGIS plugins. Strong references available.

Software Developer

CGI
Developed machine learning algorithms for crop species identification from satellite data and worked on database, ETL, and operations development.

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