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Orex Nova, Inc. in Helsinki leads design and ship production LLM systems for Nordic enterprise customers. You will own agent pipelines end-to-end — retrieval, evaluation, tool-use and observability.We are looking for engineers with 5+ years in production software and 2+ years with LLMs, strong Python and TypeScript, and hands-on experience with...

Wärtsilä Corporation in Helsinki, Finland, is seeking a Power System Analyst to join our Business Development team. You will contribute to shaping the energy transition by combining power system modelling with market insights to identify opportunities and create value propositions.You will use Plexos, Python and Excel tools to analyse markets, support...

Jobtailor is seeking a skilled full-stack developer to join our Helsinki team. You will contribute to building complex digital services across industries, shaping design and architecture, and ensuring scalable, secure systems.You will engage in demos, technical discussions, and roadmap planning with clients, while maintaining a strong learning mindset to...

Nordea is seeking an Expert Data Engineer in Helsinki to own the Recovery data model and build scalable data pipelines end-to-end. You will collaborate with Business and Tech stakeholders to translate complex requirements into production-grade data solutions.The role emphasizes reliability, governance, and AI-powered improvements. Ideal candidates bring 7+...

Femtech Insider Ltd. is looking for a Junior Data Scientist to join their Product Science team in Helsinki. This role focuses on developing innovative health solutions using data from the Oura Ring and involves working with multi-sensor data and analytics tools.The ideal candidate will have 1-2 years of experience in Data Science, strong Python skills, and a...

Aiven is building an AI-native, open-source data platform with data governance and discovery capabilities. The Senior Software Engineer role invites you to own significant backend to frontend features in Python and React, shaping architecture and technical direction.You will lead design and delivery of managed OSS products like DataHub, mentor peers, and...

2026041 - Simulation Data Integration & Sensor EngineerJob Location: FinlandNumber Of Positions: 1Work Experience: 8-10 yearsProfile Send by Date: 2026-04-06Job DescriptionOverviewOur client, a leading industrial organisation, is seeking a Simulation Data Integration & Sensor Engineer to support a project focused on building a digital twin simulation...

Productize ML pipelines for deep neural network compression by making training, compression, and evaluation workflows reproducible, observable, and cost-efficient Design and implement small, well-bounded backend services to a high security standard, primarily using Python Build frontends exposing pipelines and services to users Own deployment and...

Aiven is seeking a Fullstack Software Engineer to join the Kafka Ecosystem team in Helsinki. You will build end-to-end features with Python in orchestration of managed Apache Kafka services across clouds, contribute to Karapace, and develop React interfaces that users interact with.Your focus will be Python, spanning API design to the UI. You will extend...

Location: RemoteType: Contract / Part-timeCommitment: 20 hours per weekCompensation: Up to 40 USD / hrProject duration: 2 months, with potential extensionAbout the roleWe create high-quality STEM training data for frontier AI models used by leading AI labs to improve model reasoning in scientific domains.We are seeking experts in Biology to create...

Location: RemoteType: Contract / Part-timeCommitment: 20 to 40 hours per weekCompensation: Up to 40 USD / hrProject duration: 2 months, with potential extensionAbout the roleWe create high-quality STEM training data for frontier AI models. Our data is used directly in training and evaluation pipelines at leading AI labs to improve model reasoning in...

Help shape the future of AI by designing challenging math problems that test and improve reasoning in cutting-edge models.Location: RemoteType: Contract / Part-timeCommitment: 20 hours per weekCompensation: Up to 40 USD / hrProject duration: 2 months, with potential extensionAvailability: Immediate startAbout the roleWe create high-quality STEM training data...

We’re a global team of over 400 people, working together to push the boundaries of open‑source technology and multi‑cloud solutions. Our vision is to help developers, builders, and creators bring their ideas to life with speed and simplicity, by providing a cloud data platform that makes open‑source databases, search, streaming, and application...

Continuously develop in-production systems and softwareProvide service to clients and answer incident-management and service-request questionsMonitor client environments and ensure production continuityHandle monitoring alerts according to priorityWork with logs, reporting, information security, testing, and run booksDevelop and improve monitoring,...

Full Stack Developer at Reaktor HelsinkiResponsibilities include collaborating with client teams, implementing features across frontend, backend, and databases, and contributing to architecture.RequirementsRequirements include broad software development experience, proficiency in TypeScript/JavaScript and Node.js, React, knowledge of CI/CD, DevOps basics,...

Job Overview Example Co. is one of the leading companies in our field in the area. We're proud of our 3.6 rating on Glassdoor from our employees. We are hiring a talented QA Engineer professional to join our team. If you're excited to be part of a winning team, Example Co. is a great place to grow your career. You'll be glad you applied to Example...

Etsimme kokenutta Data Scientistiä Helsinkiin. Tehtävässä kehität ja ylläpidät tuotantokäytössä olevia koneoppimisratkaisuja, suosittelujärjestelmiä ja niihin liittyviä rajapintoja. Hyödynnät tilastollista analyysiä ja A/B-testausta datalähtöisessä kehityksessä sekä työskentelet modernien data-alustojen, pilvipalveluiden ja ketterien...

Senior AI Agent Developer – Helsinki We’re searching for a hands‑on builder excited by the idea of putting AI agents into production for real customers – not in theory, but in the field. You’ll work closely with users, build end‑to‑end systems across Python and React, and help shape how modern AI delivers tangible business value. If you thrive...

Data Engineeriä Haemme Suomen Syöpärekisteriin. Työsuhde on toistaiseksi voimassa oleva. Liity joukkoomme tekemään tärkeää ja ainutlaatuista työtä suomalaisen syöpätutkimuksen hyväksi. Pääasiallinen työtehtäväsi on Syöpärekisterin datan ja tietovirtojen hallinta, lisäksi taustajärjestelmien ja ohjelmistojen ylläpito ja kehitys....

University Intern for the Finnish Institute for Health and Welfare 26.08.2026 - 07.09.2026 Applications open Keywords Python Data-analysis Machine Learning The Analytics Team of the Finnish Institute for Health and Welfare (THL) is looking for a university intern who would participate in developing machine learning methods and other analytical tools for data...