senior react developer

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert...

Sievo is seeking an AI-native software engineer focused on backend development to join the Suppliers team in Helsinki. Senior or Lead level will be offered based on experience.The role blends cloud-native software delivery with agentic AI systems and modern tooling to shape the platform's defaults. You will drive technical architecture, collaborate with...

Reaktor’s Retail Business Unit in Europe (Helsinki, Amsterdam, Lisbon) is seeking an experienced Senior Native Mobile Developer to join the team. You will work on iOS and Android native development, delivering polished mobile experiences and collaborating with multidisciplinary teams.You will own testing, monitoring, and quality, contribute to...

Taiste Oy is looking for an experienced Software Developer to join their team in Turku or Helsinki. The role focuses on developing a modern HR platform for a multinational restaurant business, impacting thousands of employees across Europe.The ideal candidate should have strong skills in Node.js, Postgres, React, and TypeScript, along with a proactive work...

Taiste Oy is looking for an experienced Software Developer to join their team in Turku or Helsinki. The role focuses on developing a modern HR platform for a multinational restaurant business, impacting thousands of employees across Europe.The ideal candidate should have strong skills in Node.js, Postgres, React, and TypeScript, along with a proactive work...

H&MV Engineering invites applications for a Senior Electrical Project Engineer to lead turnover and commissioning activities on Finnish projects. You will develop QCx plans, review QA/QC and Cx documentation, and coordinate with project teams and clients to ensure timely handover.Fluent English is required; knowledge of BIM360/ACC and Datacentre QCx...

Aiven is looking for a Senior Software Engineer, Analytics to enhance their cloud operations platform using open-source technology. You will work on developing PostgreSQL services and a new managed analytics offering.The ideal candidate will have strong Python skills and experience with databases like PostgreSQL and good understanding of data engineering...

Senior Product Designer – Partner Lifecycle ManagementAs Senior Product Designer of the Partner Lifecycle Management team in Helsinki, you will shape the future of Zalando’s internal and partner-facing services and products. We are looking for a seasoned Product Designer to discover, design and deliver next-generation productivity solutions that unlock...

Step into a career with ASM, where cutting edge technology meets collaborative culture. For over 55 years ASM has been ahead of what’s next, at the forefront of innovation and what’s technologically possible. With more than 4,500 ASMers representing 70 nationalities, our people and our advanced semiconductor devices are playing a crucial role in trends...

A forward-thinking tech company in Helsinki is seeking a Senior Fullstack Engineer to join their Tooling and Releases squads. The ideal candidate will have over 5 years of experience in software development, demonstrating frontend expertise, experience with AI technologies, and robust backend skills. Responsibilities include building secure internal...

Zoomcar is looking for a Senior Software Engineer to join its Protocol Stack team in Espoo, Finland. In this role, you will design and implement critical 5G NR protocols, collaborating closely with teams to validate implementations in live environments.The ideal candidate will have a Master's or PhD in a relevant field, strong C++ skills, and practical...

Job Description We are looking for a Senior (Lead) Platform Data Engineer to join our Helsinki team. Depending on experience, this role may be filled at a Senior or a Lead Platform Data Engineer level. About the role At Sievo, data is everything — we have visibility into more than 2% of global GDP in spend, and turning data at that scale into...

Job DescriptionResearch & Innovation develops the concepts that shape the evolution of mobile networks and supports their adoption in international standards. We are seeking Senior Research/Standardization Specialists to strengthen our 6G RAN activities. In this role, you will develop technical concepts and contribute to 3GPP RAN3 standardization in one or...

Based in Helsinki, Finland, Musopia develops mobile apps that help millions of people learn and enjoy music. We believe music has the power to bring joy, confidence, and lifelong learning to people around the world. We are looking for an experienced Senior Product Designer to help shape the future of music education. You will play a key role in defining and...

Senior Engineering Manager, Ad Performance Recommendation We are seeking a Senior Engineering Manager to join our 200+ product development organization and lead our Ad Performance Recommendation team. The team is responsible for developing an innovative AI-powered system that leverages marketing ad tech data and various data sources to identify performance...

Smartly seeks a Senior Engineering Manager to lead the Ad Performance Recommendation team, directing ML-driven development and achieving measurable business impact. You will mentor engineers and data scientists, drive production-ready ML systems, and collaborate across Media, Creative, and Intelligence platforms.You will guide the vision for ML applications,...

Wolt Oy is seeking a Senior Software Engineer for the Data Developer Experience team to build core services for the Data Platform. You will contribute to the Data Control Plane, a Go-based platform that configures and operates data infrastructure across a global scale.You will design features with stakeholders, write Go code and possibly work on CI/CD...

Aiven is looking for a Senior Software Engineer to join our Database Operations team. In this role, you will keep our database services (PostgreSQL, MySQL, Valkey) stable and efficient. You'll write maintainable code, automate processes, and mentor other engineers.The ideal candidate has 5+ years of experience with database management, particularly in...

Betolar Plc - Espoo / Hybrid Betolar is a circular economy and materials technology company that transforms industrial sidestreams into valuable resources. We have developed proprietary Metal Extraction Technology (MET) enabling the efficient recovery of critical and strategic metals from industrial waste streams and mine tailings, with the remaining process...

Do you thrive where leadership meets growth ambition and world-class technology? AWS Finland & Baltics is hiring an Account Executive to lead transformative deals and redefine how Finnish Enterprises innovate with cloud and agentic AI. Bring your passion for building businesses, your operational excellence, and your deep industry insight and help our...