1123 English-speaking jobs in Helsinki

Lead Game Developer (C++) needed to own the technical vision for a live, complex mobile game. Requires strong C++ skills, experience in live free-to-play games, and expertise in performance optimization and architecture.

Manager, Process Engineering leads energy-related engineering development and process optimization for the Business Unit Energy. Requires a Science or Engineering degree and 5+ years of relevant experience in the energy or forest industry.

Senior Machine Learning Engineer will design, build, and deploy end-to-end ML systems for personalized player experiences. You will work with game teams to leverage ML across the full player journey, shaping Supercell's ML platform and driving real player and business impact.

We seek a general dentist for a large dental clinic in Helsinki. The role requires comprehensive general dentistry skills, a customer-oriented approach, and team spirit. Vaccination protection is required.

Build Happeo's knowledge verification layer, Compass, from scratch. Develop information extraction pipelines, claim extraction and fact-checking, and entity resolution. Stand up the knowledge graph and graph-RAG system. Strong experience with NLP, LLMs, knowledge graphs, and backend development (Node.js or Python) is required.

Designs, develops, and operates significant areas of routing services. Implements scalable services for API and routing engine tiers. Drives design, development, and testing of Mapbox tools. Participates in end-to-end feature implementation within the navigation team. Collaborates with product owners, sales engineering, and management.

Mechanical Commissioning Engineer needed to support large-scale, mission-critical data centre projects. Responsibilities include hands-on mechanical commissioning, system testing, and ensuring HVAC operates per design intent. Requires 3+ years in a similar role.

Manager, Data & Digital for Business Unit Energy. Develop AI and data analytics, manage energy reporting, and drive digital tools and data integration. Requires relevant experience in data science, IT-systems, and AI.

Own and evolve iOS architecture and mobile foundations, shaping technical decisions and delivery patterns. Lead hands-on system design, improve reliability, and raise mobile-system judgment across teams.

Senior Researcher in Explainable Reasoning. Design and implement novel architectures for AI detection over multimodal data. Explore techniques for reasoning, knowledge graphs, and model interpretability. Develop alignment and robustness defenses for LLMs.

Executive Business Partner to the CEO, translating strategic priorities into action and ensuring organizational alignment and execution. Provides support to executive decision-making, manages the CEO's agenda, and drives key initiatives. Requires 4+ years of experience in business operations, strategy, project management, or similar roles.

Manages energy and climate compliance obligations, including REMIT, and supports the Group sustainability organization. Oversees EU ETS and emissions portfolio, energy taxation, and monitors regulatory development and support schemes.

Senior RAMS Engineer to lead reliability and availability analysis for satellite systems. Develop and maintain reliability models, fault trees, and availability assessments. Collaborate with cross-functional teams to ensure RAMS activities align with design decisions.

Senior Electrical Engineer manages electrical systems, supports engineering requirements, and oversees project coordination. Responsibilities include managing site safety and quality, project schedules, and sub-contractor activities. The role requires 8+ years of experience with a recognized Mechanical/Electrical contractor, excellent organizational and planning skills, and proficiency in relevant software.

Lead the Ad Performance Recommendation team, developing AI-powered systems using ad tech data. Drive ML model development, ensure compliance, and mentor Data Scientists and ML Engineers. Requires 7+ years in product building and 5+ in ML application.

Backend Engineer joins the ClickHouse team to build and scale infrastructure for a managed service. Requires strong Python (asyncio), database knowledge, deep Linux skills, and CI/CD experience.

Define and architect production-grade AI systems, including agentic frameworks, RAG pipelines, and MLOps foundations. Lead technical discussions and guide teams in implementing scalable, secure AI solutions.

Senior Account Executive will build and shape a pipeline of high-value opportunities for Keto, a platform that connects strategy, investments, and execution. You will work with senior stakeholders across strategy, finance, transformation, and IT to understand their current setup, envision a better future, and guide them towards achieving it.

Seeking Project or Senior Environmental Practitioner with 7+ years in environmental consulting. Expertise needed in EDD, impact assessments, and permitting for industrial/energy sectors. Requires understanding of Finnish/EU regulations.

Senior Credit Underwriter evaluates and structures institutional real estate financing. This role requires strong financial analysis, commercial judgment, and experience assessing complex transactions against credit policies.