backend developer English-speaking jobs in Lahti

Senior Oncology Scientific Lead to shape cancer care in Finland. This role drives country scientific strategy, manages launch excellence, and influences market access and policy. Requires an MD or advanced life-sciences degree and oncology medical affairs experience.

Experienced Finance Director needed to partner with leadership on strategy, profitability, and growth. Lead financial planning, performance management, internal controls, and risk management. Requires relevant degree and senior financial leadership experience.

Sales Executive to own the full sales cycle for Finnish SME customers. Responsibilities include outbound prospecting, consultative sales, driving deals to close, and guiding new customers through onboarding. Requires 2-4 years in B2B sales with fluent Finnish and Swedish.

Solutions Engineer supporting PNT division for commercial and defense customers in the Nordic region and EMEA. Provides technical depth on PNT portfolio, supports integration projects, and assists sales teams. Requires relevant technical degree and 4+ years of experience.

Dynamic Navy Project Manager needed to oversee HI-FOG fire suppression system delivery for Navy customers. Requires 5+ years in Marine/Navy project management, Engineering degree, and fluency in Finnish and English.

Doctoral Researcher focusing on Human-Centered Security and Digital Deception. Investigate how users judge genuine digital requests, involving literature review, study design, data analysis, and writing. Requires a relevant Master's degree.

Lead global AI transformation for the Pulp & Paper segment by building and scaling AI-enabled products. This hands-on role embeds AI into engineering and project delivery workflows.

Power Engineering Manager to strengthen engineering, design management, and technical governance for complex power infrastructure projects. Own grid connections, HV/MV systems, and campus power. Requires strong HV infrastructure engineering background.

Own the transition of a monitoring prototype into a secure, scalable production solution. Translate operational needs into user stories, guide development, and manage roadmaps for critical digital initiatives.

Drive strategic relationships with large Telco customers to ensure successful adoption and expansion of Databricks solutions. Develop account plans, build executive relationships, and drive revenue growth.

Lead design, preconstruction, and construction for data center projects. Manage budgets, schedules, and stakeholder communication across multiple campus developments. Requires 5+ years in commercial construction management.

Senior Performance Marketing Manager to lead and optimize paid digital campaigns across Google, Meta, TikTok, YouTube, and Display in Finland. Own budgets, drive customer acquisition, and shape growth strategy. Requires 5+ years of B2C experience.

Support the Climate Innovation Challenge Fund by coordinating day-to-day operations, managing grant and financial processes, and driving Nordic collaboration. Requires experience in fund/portfolio management and understanding of climate/development issues.

Application Engineer supports the Finnish sales team and customers with sealing products. Responsibilities include technical support, troubleshooting, and identifying suitable sealing solutions. Requires engineering degree and strong Finnish/English skills.

Lead and develop Group Accounting for a growing international group. Own consolidation, financial reporting, and establish scalable accounting practices across approximately 75 companies. Requires 10+ years of experience in international group environments.

Senior Backend Software Engineer for the Growth Platform, building an AI-native marketing platform across three brands. Own features end-to-end, focusing on agentic coding and scaling wins. Requires strong fundamentals and enthusiasm for AI-first development.

Shape sustainable forest management by steering end-to-end software deployments. Manage project plans, client engagement, and training for wood procurement and harvesting solutions. Requires experience in software delivery and forest operations.

Coordinate civil construction for Grid Integration and substation projects across Finland, Sweden, and Denmark. This role requires a technical background in Civil Engineering or related fields and experience in infrastructure or energy projects.

Senior Sales Account Manager, Marine, will grow Cadmatic’s Marine business across the Nordic & Baltic region. This role involves strategic account management, new business development, and driving complex sales cycles within the marine ecosystem.

Senior Control Engineer to develop and industrialize high-temperature heat pump control automation. Responsibilities include designing software, integrating fieldbuses, and leading the software life cycle. Requires 6+ years of experience and an MSc in a relevant field.