Full Stack Software Developer jobs in Helsinki – Page 3 | RoboApply Jobs

Full Stack Software Developer jobs in Helsinki· Page 3

Results 41–58 of 58 for “Full Stack Software Developer” in Helsinki.

58 jobs found

37 - 54 of 58 Jobs
Apply
AlphaSense logo
Full-time|On-site|Helsinki, Uusimaa, Finland

About AlphaSense: AlphaSense is the trusted platform for sophisticated companies seeking to eliminate uncertainty in decision-making. Our AI-driven market intelligence and search capabilities provide valuable insights from both public and private content, including equity research, company filings, event transcripts, expert calls, news articles, trade journa…

Mar 24, 2026
Apply
Reaktor logo
Full-time|On-site|Helsinki

Join Reaktor's Award-Winning Tech Community as an AI Developer!Are you passionate about leveraging advanced AI technologies to create innovative LLM-powered applications? Do you excel in navigating the complete software development lifecycle? If you're eager to tackle real-world challenges with a holistic approach, we invite you to connect with us. Experience a collaborative, low-hierarchy environment where your ideas and curiosity can drive meaningful change.Your Role as an AI DeveloperAs an AI Developer at Reaktor, you will take on a pivotal role, mastering various AI-related software development tasks that span from front-end design to production implementation.Key Responsibilities:Crafting and deploying end-to-end LLM-enabled applications, focusing on backend architecture and user-facing components to ensure scalability and maintainability.Integrating both commercial and open-source LLMs (such as OpenAI, Anthropic, Meta Llama) into production applications using APIs or fine-tuning techniques.Engaging with end-to-end RAG pipelines, including embeddings, vector databases (like PostgreSQL + pgvector, chromaDB, pinecone), and robust prompt engineering strategies.Developing and implementing evaluation pipelines to measure model performance and ensure safety.Collaborating with cross-functional teams to create AI use cases that address complex business problems.Partnering with client tech and business teams to identify the most suitable technologies for their needs.Providing world-class technical expertise to clients and team members.Contributing to overall software architecture and design, including test automation and debugging tasks.Your ProfileYou are a curious AI developer adept in working with LLMs, backend and frontend technologies, with a solid understanding of infrastructure and transformer-based models.Qualifications Required:Proven experience in AI software development technologies including LLMs, backend, frontend, and operational skills within a production setting.Experience in deploying AI applications in cloud environments (Azure, AWS, GCP) with containerization and orchestration tools (Docker, Kubernetes).Strong problem-solving skills and a proactive approach in technology selection suitable for project needs.

Mar 3, 2026
Apply
Mapbox logo
Full-time|On-site|Mapbox Helsinki

At Mapbox, we are revolutionizing the real-time location platform for the next generation of location-aware businesses. Our unique suite of tools empowers organizations to enhance the navigation of people, packages, and vehicles globally. With over 4 million developers choosing Mapbox, our platform stands out for its flexibility, robust security, and compliance with privacy standards. Companies leverage our applications, data, SDKs, and APIs to craft bespoke and immersive customer experiences.Our MissionData is the cornerstone of all that we do at Mapbox. It underpins every product we deliver, including maps, navigation, and search, providing direct benefits to our clients. The Roads Team is vital in developing comprehensive global road networks, enhancing both visual representations and navigational accuracy.Your RoleAs a Senior Software Data Engineer, you will be instrumental in advancing software technologies for top-tier road features, navigation systems, and high-definition mapping. You will collaborate with a talented, cross-functional team of dedicated professionals who are passionate about their work.In this position, your responsibilities will include:Taking charge of enhancing, scaling, and refining existing data processing pipelines.Designing and developing new data processing pipelines.Collecting and monitoring system performance metrics.Contributing to the conversation and implementation of security best practices.Key QualificationsStrong proficiency in at least one programming language (C++, Python, Scala, or Java).Experience with AWS services (S3, EC2, IAM, EMR, Glue, Athena, Kinesis) or other cloud platforms.Proficient in SQL with a solid understanding of SQL engine fundamentals.In-depth knowledge of distributed computing principles.Familiarity with at least one workflow management tool, such as Airflow, Oozie, or Luigi.Strong analytical skills and the ability to substantiate technical decisions.Creative, resourceful, and an innovative problem solver.Excellent verbal and written communication skills in English.

Mar 21, 2026
Apply
Reaktor logo
Full-time|On-site|Helsinki

Join the Award-Winning Tech Community at Reaktor!We are seeking a talented and experienced Mobile Developer to enhance our Gaming & Entertainment Business Unit in Helsinki. If you excel in mobile development, are passionate about tackling intricate challenges within multidisciplinary teams, and thrive in a flat organizational structure, then you might be the perfect fit for us.As part of our Gaming & Entertainment Business Unit, you will play a crucial role in supporting our clients and delivering innovative solutions in this dynamic domain.Your Responsibilities:Design and develop native mobile applications for both iOS and Android platforms.Engage with clients and stakeholders to interpret and clarify project requirements collaboratively.Contribute to architectural discussions and guide long-term technical strategies.Participate in the discovery phase, concept development, and iterative delivery processes.Occasionally extend your expertise beyond mobile development to embrace full-stack opportunities when beneficial.What You Bring:Technical Skills:Significant experience in iOS and Android ecosystems, typically requiring around 8 years of professional exposure.Proficiency in Swift, UIKit, Reactive Programming, Java, and Kotlin.Experience with SwiftUI is an advantage.A mindset geared towards testing ownership, ensuring the entire development cycle is addressed from implementation to user delivery.Experience with monitoring and troubleshooting production applications.A keen interest in creating refined animations, working in collaboration with a Motion Designer.Technical Depth:Strong practical experience with Swift and Kotlin.Experience with C++ and Flutter is preferred.Cross-Stack Proficiency:Familiarity with full-stack development practices.Consultative Approach:Ability to engage in consultative discussions, fostering collaborative environments.

Feb 24, 2026
Apply
Two Inc. logo
Full-time|Remote|Helsinki, Uusimaa, Finland

At Two, we are at the forefront of revolutionizing B2B commerce by reimagining payment processes for businesses. Our goal is to integrate the speed, simplicity, and customer-centric approach of B2C e-commerce into the B2B realm, alleviating barriers in business transactions and fostering growth for both merchants and buyers.Utilizing real-time credit assessments, seamless checkout experiences, and sophisticated risk evaluations, we empower sales processes that are faster, smarter, and more efficient. With an impressive 30% month-over-month growth and operations spanning Europe and the United States, we are rapidly scaling and are poised to establish ourselves as the premier B2B payment solution globally by 2027, aiming to become one of the next Nordic unicorns.Supported by renowned investors such as Sequoia Capital, Shine, LocalGlobe, Antler, and respected fintech angels, we have successfully raised over €40 million in equity thus far. And we're just getting started!About The RoleWe are seeking ambitious and proactive Sales Development Representatives to join our dynamic Commercial team. In this role, you will be instrumental in driving market share across the Nordics and broader Europe while also aiding our expansion into new strategic markets as we continue our growth trajectory.As an SDR at Two, you'll serve as the initial point of contact for prospective customers, helping them recognize the value of Two’s offerings and contributing to our go-to-market strategy. Your responsibilities will include generating and qualifying leads, scheduling discovery calls, and collaborating closely with our Sales Managers and Chief Commercial Officer to develop robust regional pipelines.This is a remarkable opportunity to become part of one of Europe’s most promising fintech scale-ups and directly influence our commercial success.Location:This position can be based in our office hubs in Oslo, Stockholm, or London, or it can be fully remote from Helsinki.Please note that visa sponsorship is not available for this role.What You’ll DoInitiate contact with potential customers via phone, email, LinkedIn, and other channels.Assess inbound and outbound leads and arrange discovery meetings for Sales Managers.Develop a comprehensive understanding of Two’s products, customer segments, and value propositions.Collaborate with the broader commercial team on outreach strategies and enablement content.Conduct market research to effectively identify and qualify target industries, verticals, and buyers.Maintain precise records of all prospect interactions in our CRM system.What We OfferThe chance to shape and scale a high-impact commercial function.Competitive base salary with an uncapped performance-based bonus structure.Stock option plan.Flexible working options – remote or hybrid, tailored to your preference.Access to modern office hubs in Stockholm or Oslo.

Mar 9, 2026
Apply
Aiven logo
Full-time|On-site|Helsinki, Uusimaa, Finland

Join a global team of over 400 innovators at Aiven, where we are at the forefront of open-source technology and multi-cloud solutions. Our mission is to empower developers and creators to turn their ideas into reality with unparalleled speed and simplicity by providing an accessible cloud data platform that supports open-source databases, search, streaming, and application infrastructure for all.Your Role:We are in search of a proactive and outcome-focused Engineering Manager to lead our Partner Platform Development team. This position emphasizes customer engagement and satisfaction while balancing the diverse needs of various stakeholders to craft an effective roadmap for our partners. Reporting to the Director of Partner Product & Engineering Management, you will serve as the vital connection between our engineering teams and partners, ensuring smooth delivery and nurturing collaborative relationships.As the leader of the Partner Platform Development team, you will spearhead the technical execution of both existing and complex new partner integrations, acting as the primary engine for our growth. This role merges technical leadership with operational excellence, as you will manage an exciting pipeline of new regional launches, service extensions, and crucial platform upgrades while working closely on the overarching product roadmap.

Mar 5, 2026
Apply
Kaupunkiliikenne logo
Full-time|On-site|Helsinki, Uusimaa, Suomi

Kaupunkiliikenne seeks a Development Manager with extensive experience in tram infrastructure to guide the direction of Helsinki’s tram network. This position carries full responsibility for switch assets, covering investment planning, technical requirements, and long-term reliability. The role shapes how tram switches are managed and ensures the infrastructure remains cohesive and efficient. What you will do Lead switch strategy: Direct the organization’s approach to tram switches and align stakeholders around shared network goals. Manage investments: Oversee the entire switch investment process, set technical requirements, and ensure a smooth transition from investment to ongoing asset management. Define technical standards: Specify control functions, override speeds, and quality benchmarks for switches. Maintain clarity and consistency in track signage. Advance development: Collaborate with city experts to support technical progress and long-term infrastructure planning. Requirements Technical expertise: Deep understanding of tram switches, their technology, and system interfaces. Broad knowledge of railway technology and the impact of technical choices on performance and durability. Asset management skills: Experience supporting investments that preserve asset value. Understanding of maintenance programs and commissioning processes that bridge investment and maintenance phases. Financial and operational judgment: Ability to identify factors influencing lifecycle costs and balance technical quality, reliability, and cost-effectiveness in decision-making. Education and communication: Relevant technical degree (such as M.Sc. or Engineer). Strong communication skills and the ability to lead expert networks. This position requires a professional who recognizes how technical decisions shape the tram network throughout its lifecycle. The selected candidate must complete a security clearance process.

Apr 27, 2026
Apply
Tietoevry logo
Full-time|On-site|Helsinki

Tieto Tech Consulting seeks an AI Developer in Helsinki to design and deliver artificial intelligence solutions for diverse client projects. This position involves both building new AI applications and applying existing technologies to meet specific business needs. Key responsibilities Create and implement AI-driven tools and applications for client use Contribute to projects that use AI to solve practical challenges for organizations Work closely with colleagues to design, test, and improve AI models About Tietoevry Tietoevry applies technology expertise to help organizations tackle complex problems and encourage innovation.

Apr 21, 2026
Apply
Oura logo
Hybrid|Hybrid|Hybrid - Helsinki, Uusimaa; Hybrid - Oulu, North Ostrobothnia

At Oura, we are on a mission to help individuals unlock their full potential. Our award-winning products, including the Oura Ring and its accompanying app, empower users to gain deeper insights into their health, focusing on readiness, activity, and sleep quality. We have positively impacted millions by providing insightful data and actionable steps to foster healthier lifestyles. As a rapidly growing company dedicated to enhancing well-being, we prioritize our team’s needs to ensure optimal performance both in and out of the workplace. Our engineering division is composed of skilled Android and iOS developers located across the EU and the US. Our engineers operate within agile, cross-functional teams, enjoying the autonomy to take full ownership of their projects—from conception through design, implementation, and ongoing maintenance. We seek experienced Senior iOS Engineers to join our dynamic app development teams. Multiple roles are available, ranging from the creation of innovative features for our users to the development of foundational systems that ensure seamless connectivity and data synchronization between the Oura Ring and the app. Whether your passion lies in crafting visually stunning user interfaces or architecting robust, scalable systems, we welcome your expertise. This position allows for hybrid work arrangements within Finland, with a preference for candidates who can occasionally visit our offices in Helsinki or Oulu.

Dec 5, 2025
Apply
Oura logo
Full-time|Hybrid|Hybrid - Helsinki, Uusimaa; Hybrid - Oulu, North Ostrobothnia

At Oura, our mission is to empower every individual to harness their inner potential. Our award-winning products, including the Oura Ring and its connected app, enable our global community to gain profound insights into their readiness, activity, and sleep quality. We have positively impacted millions, providing daily insights and actionable steps that inspire healthier lifestyles.Empowerment begins with embracing our core values and nurturing our team. As a rapidly expanding company dedicated to enhancing health and happiness, we ensure our team members have the resources they need to excel, both professionally and personally.Our engineering team comprises talented Android and iOS developers located across the EU and the US. We organize our engineers into agile, cross-functional squads and system-level teams, granting them autonomy and accountability over their code. From concept to release, each team takes ownership of design, implementation, maintenance, and bug fixing.We are actively seeking experienced Senior Android Engineers to become a vital part of our app development organization. With multiple roles available across various teams, you will play a key role in developing innovative member-facing features and establishing foundational systems that ensure seamless connectivity and data synchronization between the Oura Ring and the app. Whether your passion lies in creating stunning user interfaces or architecting scalable, robust low-level systems, we have the perfect opportunity for you.This position can be performed on-site or remotely within Finland, with a preference for candidates who can visit our offices in Helsinki or Oulu regularly.

Dec 5, 2025
Apply
Oura logo
Hybrid|Hybrid|Hybrid - Helsinki, Uusimaa

At Oura, we are on a mission to help individuals unlock their full potential. Our award-winning Oura Ring and its accompanying app provide users with insights into their readiness, activity, and sleep quality, enabling them to lead healthier lives. As a rapidly growing company, we prioritize empowering our team to perform at their best, both inside and outside the workplace. We are seeking a Senior Software Engineer specializing in DataFlow for Android to enhance our core components responsible for data management between our mobile app and the cloud. This hybrid role allows you to collaborate with our team in Helsinki while contributing to a dynamic and innovative environment.

Jan 23, 2026
Apply
Oura logo
Hybrid|Hybrid|Hybrid - Helsinki, Uusimaa

At Oura, we are dedicated to helping individuals unlock their full potential. Our award-winning Oura Ring and its accompanying app empower users to gain profound insights into their readiness, activity levels, and sleep quality. By providing daily insights and actionable steps, we have positively impacted millions of lives, guiding them toward healthier lifestyles.We believe that empowering people begins with embodying our core values and nurturing our team. As a rapidly growing company committed to enhancing well-being, we ensure our employees have the resources they need to excel both professionally and personally.We are on the lookout for a Software Engineer to join our Algorithm Platform team. We welcome applications from candidates of all experience levels; if you have the skills and passion but lack seniority, we encourage you to apply. Senior engineers and beyond are also invited to join our dynamic team.About the Algorithm Platform Team:Team Size: 4-6Our algorithms operate across the Oura Ring, app, and cloud, delivering real-time and batch processing. The Algorithm Platform team is dedicated to creating and maintaining the systems that execute algorithms in the app and cloud. Please note that the development of platforms for training machine learning models is beyond our scope.This is a hybrid position, requiring you to work at our Helsinki office located at Pohjoisesplanadi 37 for about one day per week. While we don’t enforce strict in-office policies, we value face-to-face collaboration as a team.Key Responsibilities:Streamline the implementation, testing, validation, and deployment of algorithm-driven features that enhance the Oura app, particularly those utilizing machine learning.Focus primarily on the inference side of algorithm development.Ensure the reliability and efficiency of algorithm execution.Develop and optimize platform components to reduce computational resource usage.Collaborate with data scientists to enhance model performance.Assist data scientists and feature teams in implementing algorithms effectively.We seek diverse profiles, and a successful candidate will be eager to engage with the exciting challenges outlined above.

Feb 3, 2026
Apply
Scandit logo
Contract|On-site|Finland

Join Scandit as a Senior Documentation Specialist (6-month contract - 50%)About ScanditAt Scandit, we empower individuals and businesses with cutting-edge technology that enhances productivity and efficiency across various sectors, from logistics to healthcare to retail. Our innovative solutions automate workflows and deliver actionable insights, making a significant impact on user experiences. We invite you to be part of our journey as we continue to grow and innovate.Your RoleWe are in search of a Senior Documentation Specialist to join our dedicated cross-functional task force for a period of up to 6 months. Your primary objective will be to enhance the developer documentation, which currently has a 20% search no-result rate, along with structural inconsistencies that hinder user navigation and content gaps that impede the efficiency of our Solution Consultants and Developer Support Engineers. You will conduct a comprehensive audit, prioritize issues, and implement solutions to transform Scandit's documentation into a user-friendly self-service experience, ensuring developers can efficiently navigate through their trial period.Conduct a thorough audit of Scandit’s developer documentation to pinpoint search failures, structural gaps, and high-friction points throughout the trial journey.Improve search performance, enabling developers, Solution Consultants, and support engineers to locate necessary information without encountering obstacles.Redesign the information architecture and navigation system for seamless user orientation, catering to both first-time trial users and internal team members collaborating with customers.Identify content gaps and drop-off points in the trial journey, and collaborate with Product and Engineering teams to implement effective solutions.Work closely with Product and Engineering Managers to prioritize, review, and implement improvements.Ensure the documentation experience aligns with Scandit’s branding and aesthetics.Create lightweight documentation standards to maintain quality after your engagement concludes.

Mar 24, 2026
Apply
Metacore logo
Full-time|On-site|Helsinki, Uusimaa, Finland

Join Metacore as a Build Engineer, where you will play a pivotal role in our development process, ensuring seamless integration and deployment of our high-quality games. You will collaborate closely with our talented development team, leveraging your expertise in build systems and automation to enhance workflows and optimize performance.

Apr 9, 2026
Apply
airapps logo
Full-time|On-site|Helsinki

airapps is looking for a React Native Engineer to join the team in Helsinki. This position centers on building mobile applications that are scalable and responsive, with a strong emphasis on user experience and thoughtful design. What you will do Develop and maintain mobile apps using React Native Work closely with colleagues to design and implement new features Keep applications responsive and high-quality Apply mobile development best practices throughout the project lifecycle Requirements Experience with React Native Solid understanding of mobile development principles Comfort working in a collaborative team setting Interest in building applications that enhance user experience Location This role is based in Helsinki.

Apr 27, 2026
Apply
Sulava Oy logo
Full-time|On-site|Helsinki, Uusimaa, Finland

Become a key player in building a Microsoft-based growth story!Are you ready to be an integral part of our clients' business development journey? Do you thrive on selling transformative solutions rather than mere products? We are seeking an experienced sales professional who can identify solutions to client challenges and establish enduring partnerships.Your Responsibilities:Act as a trusted advisor to clients in your area, leading sales initiatives from initial discussions to contract closure.Engage in business-oriented dialogues with client executives, decision-makers, and implementation teams.Identify and cultivate sales opportunities, successfully bringing them to fruition.Analyze clients' current situations, objectives, and growth potential.Develop a long-term client relationship strategy for your assigned area.Collaborate with our experts to create tailored solutions and services.Keep the customer relationship management system updated and adhere to the company’s sales processes.

Jan 20, 2026
Apply
Jobgether logo
Full-time|Remote|Finland

Role overview Jobgether is hiring an Implementation & Customer Success Specialist to support its B2B SaaS platform, which serves mining and FIFO (fly-in, fly-out) operations. Based in Finland, this role centers on workforce accommodation and transportation solutions for clients in mining, energy, and construction. What you will do Lead software implementation projects for both new and existing clients, managing onboarding and configuring systems to fit each client’s needs. Serve as the primary contact for customer success, building strong relationships and encouraging effective use of the platform. Collaborate with stakeholders across logistics, finance, IT, and operations to understand requirements and deliver solutions that work in real-world settings. Deliver user training, offer guidance on operational challenges, and help clients get the most value from the platform. Contribute to the development and improvement of internal best practices by sharing feedback and workflow insights from client engagements. Requirements Experience working with B2B SaaS products, preferably in mining, energy, or construction sectors. Strong skills in client relationship management and a client-oriented approach. Comfortable working with teams in logistics, finance, IT, and operations. Ability to manage implementation projects and provide practical support to clients. Strategic mindset with a problem-solving attitude, and a preference for collaboration across functions. Work setup and travel This is a remote-first position based in Finland. International travel may be required as needed.

Apr 28, 2026
Apply
Fever logo
Full-time|On-site|Helsinki

Hello! We are Fever, the premier technology platform transforming culture and live entertainment.Our mission is to make culture and entertainment accessible to everyone. Through our innovative technology and data-driven strategies, we are changing how audiences connect with live experiences. Each month, we inspire over 300 million people across more than 40 countries to explore unforgettable events while equipping event creators with the tools to grow, innovate, and engage with new audiences.Our achievements include partnerships with industry giants like Netflix, F.C. Barcelona, and Primavera Sound, creating internationally acclaimed experiences, and gaining support from top global investors. Quite impressive, right?To fulfill our mission, we seek proactive individuals who are ready to contribute to the future of entertainment!Now, let’s delve into the specifics of this role and your contributions towards Fever’s mission.ROLE OVERVIEWHere’s what you will be doing:Forge and nurture robust business relationships with top producers, creators, venues, and key stakeholders in the entertainment sector.Design and implement a growth strategy for the market, employing innovative methods to expand Fever’s presence in the region.Oversee the commercial strategy with major partners, ensuring mutual value creation and sustainable strategic partnerships between Fever and event organizers.Demonstrate exceptional organizational skills to effectively manage and expand a diverse client base.

Feb 3, 2026

Sign in to browse more jobs

Create account — see all 58 results

Tailoring 0 resumes

We'll move completed jobs to Ready to Apply automatically.