summer English-speaking jobs in Jyväskylä

Valona seeks a Chief Financial Officer to lead the finance function and support international growth. Responsibilities include financial planning, reporting, and performance management, building the finance organization, and supporting M&A processes.

Leads the Service Sales team in Finland, implementing service sales strategy and exceeding targets for the full service portfolio. Manages customer relationships, identifies new business opportunities, and collaborates with internal and external stakeholders. Requires a strong background in service sales, IB management, and the energy sector.

Electrical Supervisor needed for site-based role overseeing electrical works, coordinating activities, and ensuring safety, quality, and program adherence.

Lead and grow Welado's Energy & Industrial Business in Finland. This role requires a strategic leader with commercial drive and execution ability to build a team, develop offerings, and drive profitable growth.

Snowflake is seeking data experts to help customers on their data journey with the Snowflake Data Cloud. This post-sales role involves building data platforms, migrating data, and providing guidance on best practices. Experience with cloud platforms (AWS, Azure, or GCP), data security, and data governance is beneficial. SQL knowledge is required, and experience with Python, Java, Scala, or Spark is a plus.

Leads the People & Culture agenda for Stora Enso's Business Unit Imatra, driving the people strategy and collaborating with senior business leaders. Manages a team of People & Culture professionals across Finland, Estonia, and Latvia. Develops and executes initiatives for leadership development, talent management, and organizational design. Ensures alignment with Stora Enso's values, objectives, and priorities.

Build and evolve APIs, SDKs, and platform integrations for feature engineering workflows. Shape user-facing tools and collaborate across the ML lifecycle.

DataTribe Collective seeks a volunteer Social Media & Community Manager to manage online presence, create content, engage members, and collaborate on marketing strategies.

Design, lead, and implement data platforms, pipelines, and models. Translate business requirements into effective solutions. Support development teams and ensure technical alignment.

Own and scale Bob W's global performance marketing engine. Drive growth across paid channels, manage budgets, and analyze data to optimize ROI. Collaborate with cross-functional teams to build and execute performance marketing roadmaps.

Staff Test Engineer to own RAN testing for NR-NTN products. Develop test plans, build automated test frameworks, and analyze protocols to ensure quality. Requires 6+ years of experience testing 4G/5G wireless networking products, deep knowledge of 4G/5G protocols, and hands-on experience with UE simulators and test automation tools.

Ensures quality and compliance of outsourced analysis for Orion products in a GMP regulated environment. Collaborates with cross-functional teams, participates in investigations, and supports laboratory audits.

Develop and design data-driven services and solutions for the Lakehouse Analytics platform. Work in diverse teams with top-level developers and customer experts.

Leads the strategy and execution of communications for Nokia's Mobile Infrastructure business segment. Serves as the primary communications partner to the Mobile Infrastructure President, providing counsel on positioning, reputation, and stakeholder engagement. Develops and owns the integrated communications strategy for the business group, anticipating key business moments, product milestones, industry events, and competitive dynamics. Operates within Nokia's functional communications model, drawing on media relations, internal communications, analyst relations, and agency resources. Requires extensive senior communications experience within the technology, telecoms, or infrastructure sector. Proven ability to develop and execute integrated communications strategies. Strong executive communications and advisory skills with experience preparing and positioning senior leaders for high-profile engagements.

Senior Software Engineer will contribute to Mozilla's localization infrastructure, including open source libraries and tools. Responsibilities include improving localization within Firefox, collaborating on Pontoon features, and engaging with the volunteer localization community. Strong Python and JavaScript experience, web technologies knowledge, and open source development experience are required.

Software Engineer to join a team in Helsinki or Tampere, Finland. Develop features for a high-volume data, distributed monitoring system. Improve continuous integration and delivery processes.

Senior Full-Stack Engineers will join a team of 5 focused on growing MeetingPackage's integration portfolio. The team utilizes Node.js, Fastify, Express, React, TypeScript, PostgreSQL, MySQL, Docker, and AWS. Experience with third-party APIs, integration of external systems, and clean TypeScript development is required.

Lead the Finance and Operations Support Department for Finn Church Aid Group, a global organization dedicated to peace, education, and sustainable livelihoods. Oversee Finance, Logistics, Operations Support, ICT, Risk and Compliance across the organization.

Senior Game Developer to maintain, scale, and optimize hit mobile games. Architect and write robust code, implement performance optimizations, and identify technical debt. Advanced Unity knowledge (7+ years), C# scripting, and experience with mobile game development required.

Develop and define maintenance strategies with a focus on predictive maintenance for machining centers and machining operations. Analyze and improve models in collaboration with internal and external stakeholders.