Lead Software Engineer

ReaktorHelsinki

On-site Full-time

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Experience Level

Manager

Qualifications

Qualifications:Minimum of 8 years of experience in software development. Proficient in agile project management methodologies. Experience as a team leader and consultant. Skilled in server-side programming with languages like TypeScript, Java, or Python. Familiar with client-side languages and frameworks such as React. Proficient in database management.

About the job

Join Our Award-Winning Tech Community as a Lead Software Engineer in Helsinki!

Your Role: As a Lead Software Engineer at Reaktor, you will navigate the entire software development lifecycle, empower your team to excel, and drive impactful results.

Your Daily Responsibilities Include:

Acting as the primary technical contact for clients, addressing inquiries and ensuring delivery quality.
Collaborating with the client's technical and business teams to foster effective communication and guarantee high-quality outcomes.
Implementing new features involving modifications to front-end applications, back-end servers, and databases, while understanding necessary infrastructural support.
Enhancing team workflows by encouraging optimal processes and balancing work-life dynamics among team members.
Cultivating strong client relationships to facilitate ongoing collaboration.
Guiding your team in adopting agile methodologies seamlessly.

Your Profile: You are a seasoned developer who thrives on technical challenges and excels at providing clarity in uncertain situations.

To Succeed in This Role, You Should Have:

Extensive experience across various domains (back-end, front-end, and operations). Typically, a minimum of eight years of relevant experience is desired.
A strong grasp of agile project management principles.
Prior experience in both team leadership and consulting roles.
Proven ability to engage with multiple client stakeholders to address complex issues.
Familiarity with at least one popular server-side programming language. Currently, many of our projects utilize TypeScript/JavaScript and Node.js; however, Java, Scala, Kotlin, Clojure, and Python are also in our technology stack.
Strong proficiency in at least one client-side language and framework, with TypeScript/JavaScript and React commonly used for web apps, and Swift, Java, Scala, Kotlin, or React Native for mobile applications.
Relevant skills to create new backend services and refine CI/CD pipelines as project needs dictate.
Knowledge of databases, such as PostgreSQL.

About Reaktor

Reaktor is an innovative technology company known for its exceptional tech community and commitment to delivering high-quality software solutions. We value collaboration, creativity, and continuous improvement.

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Join Mapbox, a leading real-time location platform revolutionizing navigation for modern, location-centric businesses. With over 4 million registered developers, we provide a robust suite of tools that enhance the navigation of people, packages, and vehicles globally. Our commitment to flexibility, security, and privacy compliance has made us the preferred choice for organizations seeking to create tailored and engaging experiences.About Our TeamAs part of the Automotive Integration team, you will engage with new automotive clients, seamlessly integrating their embedded systems with our innovative product offerings. You will implement custom solutions and provide ongoing technical support post-launch, while ensuring optimal performance through key performance indicators (KPIs) that we collect from customer hardware. Our platform underpins exceptional in-vehicle navigation experiences for industry leaders like BMW, GM, and Toyota, and we are rapidly expanding our portfolio.We seek dynamic, fast-learning team players who thrive on direct interaction with automotive customers and are dedicated to refining solutions that maximize the usage of our products in their embedded environments, aiming for the best navigation solutions on the market.As AI technology becomes integral to engineering workflows, we value engineers who can thoughtfully incorporate AI into their design, development, and decision-making processes. Expect discussions around your use of AI in engineering during the interview process.Your RoleAs a Senior Software Engineer (Android), you will be pivotal in developing software for next-generation automotive navigation systems.Your responsibilities will encompass:Analyzing the minimum requirements for automotive solutions, aligning them with reference platforms, and monitoring KPIs by gathering metrics from automotive clients' development setups or vehicles.Designing and implementing software solutions that enhance user engagement and experience within in-vehicle systems.Collaborating with cross-functional teams to ensure seamless integration of software components.

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Senior Software Development Engineer - Android Navigation SDK

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Full-time|On-site|Mapbox Helsinki

Mapbox stands at the forefront of real-time location services, empowering a new generation of businesses with location-aware solutions. As the sole provider of a comprehensive set of tools for navigation across various domains—people, packages, and vehicles—Mapbox has garnered the trust of over 4 million registered developers who appreciate its flexibility, robust security, and adherence to privacy standards. Organizations leverage Mapbox's applications, data, SDKs, and APIs to deliver tailored and engaging experiences for their users.Our MissionThe Navigation SDK team is dedicated to creating frameworks and applications that facilitate navigation solutions on a global scale. Our clientele spans across automotive, logistics, and various consumer applications on platforms such as Android, iOS, and Linux, ranging from startups to established enterprises. Our developers consistently produce applications that achieve top rankings in the App Store and Play Store, and we collaborate closely with them to innovate future solutions, whether they involve Augmented Reality, AI-powered experiences, or advancements in autonomous driving.As AI continues to shape modern engineering practices, we seek engineers who can seamlessly incorporate AI into their design, development, and decision-making processes. Our interview process will include discussions on how you integrate AI into your engineering workflow.Your RoleIn this pivotal position, you will significantly influence our architectural direction, spearhead technical initiatives, and design scalable features. Your primary focus will be on crafting innovative solutions that integrate multiple Mapbox SDKs, including Navigation, Maps, and Search, to enable swift and efficient deployment for customer applications.Key responsibilities include:Defining and overseeing the implementation of extensive, cross-functional projects and initiatives.Ensuring quality by driving enhancements in our development processes, code standards, and best practices across teams.Participating in technical discussions and decisions that shape long-term strategy and scalability.Acting as a technical mentor and resource for the team, promoting professional growth and knowledge-sharing.Additionally, you will engage in hands-on development to uphold high-quality standards across our SDKs:Designing intuitive and user-friendly APIs for developers utilizing our SDKs.Delivering high-quality features through collaboration with peers and cross-functional teams.

Jan 20, 2026

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Software Development Engineer II, Maps API at Mapbox | Helsinki

Mapbox

Full-time|On-site|Mapbox Helsinki

At Mapbox, we lead the way in real-time location solutions, empowering a new generation of location-aware businesses. Our platform provides organizations with a comprehensive suite of tools to facilitate the navigation of individuals, packages, and vehicles worldwide. Over 4 million developers trust Mapbox for its flexibility, security, and adherence to privacy standards. With our applications, data, SDKs, and APIs, businesses create tailored and engaging experiences that resonate with their users.What We DoThe Maps API team focuses on building and sustaining the infrastructure and applications that generate and distribute Mapbox maps. Thousands of clients depend on our services to manage billions of daily requests, scale seamlessly during global events, and enable designers, developers, and analysts to craft and share innovative maps.Delivering maps requires a constantly evolving model of the world, adept at accommodating various edge cases such as writing systems, fonts, local regulations, and global boundary disputes.Our team upholds the highest-traffic read APIs at Mapbox, alongside distributed ETL pipelines utilized by both internal and external clients to transform data into maps. We’re committed to developing novel methods for visualizing location data.As AI becomes increasingly integrated into engineering workflows, we seek engineers who can thoughtfully weave AI into design, development, and decision-making processes. Expect discussions during the interview process about your use of AI in engineering.

Nov 19, 2025

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Software Development Engineer II - Incident Management

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Full-time|On-site|Mapbox Helsinki

Join Mapbox, the premier real-time location platform empowering a new generation of location-aware businesses. Our unique suite of tools enables organizations to facilitate seamless navigation for people, packages, and vehicles across the globe. With over 4 million registered developers, Mapbox stands out for its flexibility, security, and commitment to privacy compliance. Organizations leverage Mapbox’s innovative applications, data, SDKs, and APIs to create tailor-made and immersive experiences that captivate their customers.What We DoOur team is dedicated to constructing the mission-critical engine that drives real-time navigation for Mapbox's largest global clients. We handle petabytes of geospatial data through a sophisticated combination of high-scale backend services, data pipelines, and AI workflows to detect, validate, and communicate live updates on road conditions—from traffic jams to road closures. The intelligent AI agents we develop enhance our core algorithms, ensuring that Mapbox maps reflect the dynamic nature of the roads and enable millions of drivers to reach their destinations optimally.As part of the Incidents team, engineers play a vital role in managing the complete incident lifecycle:Intelligent Ingestion and Detection: Create automated AI agents to gather data and identify closures using proprietary Mapbox signals.Validation and Conflation: Utilize algorithms to invalidate outdated data and consolidate duplicate reports into a single, high-fidelity source of truth.Strategic Delivery: Develop systems that make this data accessible across the entire Mapbox ecosystem.AI Collaboration: Collaborate with the MapGPT team to enhance our Feedback Agent, allowing us to refine the map using real-time customer insights.As AI becomes increasingly integrated into engineering workflows, we value engineers who can thoughtfully incorporate AI into design, development, and decision-making processes. Our interview process will include discussions on your use of AI in your engineering workflow.What You Will DoAs a Software Development Engineer II on the Incidents team, you can look forward to:Working collaboratively with your team to identify and define well-scoped tasks.Participating in the development, testing, and deployment of incident management software.Engaging in code reviews and contributing to team discussions on best practices.Utilizing cutting-edge technologies to solve complex challenges in real-time data processing.

Apr 13, 2026

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Senior Android Engineer, Multiple roles

Oura

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

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Full Stack Software Engineer

Reaktor

Full-time|On-site|Helsinki

Join Reaktor’s award-winning technology community as a Full Stack Software Engineer in Helsinki!If you thrive in an environment where you can navigate the entire software development cycle, enjoy tackling complex human-centered challenges, and seek a collaborative, low-hierarchy workplace, you may be the perfect fit for our team.As a Full Stack Software Engineer at Reaktor, you will take on a diverse range of software development responsibilities, covering everything from frontend design to backend production.Your key responsibilities include:Collaborating closely with clients’ technical and business teams to identify and implement the most suitable technologies for their needs.Developing new features that may involve modifications to frontend applications, backend servers, and databases, as well as infrastructure enhancements.Providing exceptional technical expertise to both the client and the team.Engaging in other software development activities, including debugging, design, and architecture creation.The ideal candidate is a curious developer comfortable with both backend and frontend technologies and understands the significance of infrastructure in daily operations.To excel in this role, you’ll need:Experience across various software development modalities, including backend, frontend, ops, and consulting capabilities.No strict requirement for years of experience, but in-depth knowledge typically comes with years of dedication.Proficiency in at least one popular server-side programming language. Many of our current projects utilize TypeScript/JavaScript and Node.js, alongside Java, Scala, Kotlin, Clojure, and Python.Strong familiarity with at least one client-side language and framework, with frequent use of TypeScript/JavaScript and React for web applications, and Swift, Java/Scala/Kotlin, or React Native for mobile applications.Relevant skills to develop new backend services and create CI/CD pipelines as needed.A foundational understanding of DevOps practices, including Continuous Integration (CI), automated deployments, and test automation.Knowledge of databases, such as PostgreSQL.

Mar 20, 2025

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Senior Solution Sales Executive - AI, Data and Analytics

ServiceNow

Full-time|On-site|Helsinki

Join our dynamic team at ServiceNow as a Senior Solution Sales Executive specializing in AI, Data, and Analytics. This pivotal role involves leveraging cutting-edge technologies to drive sales growth and enhance customer satisfaction. You will develop and execute strategic sales plans, engage with key stakeholders, and deliver innovative solutions that cater to the evolving needs of our clients.

Apr 30, 2026

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Senior Software Development Engineer III - Maps Rendering at Mapbox | Helsinki

Mapbox

Full-time|On-site|Mapbox Helsinki

Join Mapbox, the premier platform for real-time location services that empowers a new wave of businesses focused on location awareness. We provide organizations with a comprehensive suite of tools designed to facilitate the navigation of people, packages, and vehicles globally. With over 4 million developers leveraging our platform, Mapbox is renowned for its flexibility, robust security measures, and adherence to privacy regulations. Our applications, data, SDKs, and APIs allow businesses to craft unique and engaging experiences that captivate their customers.The Role of Maps RenderingAt Mapbox, the Maps Rendering team is at the forefront of transforming interactive mapping and real-time visualization on the web. We develop and enhance Mapbox GL JS, the leading rendering engine that delivers dynamic, high-performance maps to millions of users daily. Our endeavors intersect graphics programming, large-scale data visualization, and pioneering browser technology.Your ContributionsAs a Software Development Engineer III, you will:Spearhead the development of mapbox-gl-js, recognized as the leading map rendering solution in the industry.Collaborate with engineers, product managers, and design teams to define a visionary roadmap for the future of map rendering.Utilize modern web technologies such as WebGL, WebGPU, Web Workers, TypeScript, and WebAssembly.Tackle complex challenges in graphics, algorithms, and system architecture.Enhance performance, reliability, and maintainability across our rendering technology stack.Collaborate with Native and Mobile rendering teams to ensure seamless cross-platform experiences.Key Traits for SuccessA strong passion for unraveling complex technical challenges in the realms of graphics, mapping, and data visualization.Proficiency in TypeScript, algorithms, and performance optimization techniques.Exceptional communication and teamwork skills within distributed, cross-functional teams.A growth-oriented mindset, showcasing empathy, receptiveness to feedback, and a desire to foster success in others.Preferred QualificationsExperience in graphics programming, including OpenGL and WebGL.Familiarity with large-scale data visualization and performance tuning.

Apr 2, 2026

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Staff Software Engineer – Core Developer Experience

AlphaSense

Full-time|On-site|Helsinki, Uusimaa, Finland

AlphaSense helps many leading companies make informed decisions by providing advanced market intelligence. The platform uses AI to gather insights from a wide range of sources, such as equity research, company filings, event transcripts, expert calls, news articles, trade journals, and proprietary client research. In 2024, AlphaSense acquired Tegus, strengthening its ability to deliver AI-powered market intelligence and deepening its insights for professionals. Today, more than 6,000 enterprise clients, including most S&P 500 companies, rely on AlphaSense. Founded in 2011 and based in New York City, AlphaSense employs over 2,000 people across offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Role overview The Core Developer Experience (Core DX) team at AlphaSense seeks a Staff Software Engineer in Helsinki, Uusimaa, Finland. This team builds and maintains the internal software development environment for the company’s engineers, aiming to improve productivity by removing obstacles and accelerating feedback during local development. This position focuses on designing and enhancing tools, environments, and workflows that enable a fast, reliable feedback loop for approximately 400 engineers worldwide. What you will do Develop and refine the inner development loop, including daily workflows for writing, building, and testing code. Manage and improve the internal developer platform, self-service tools, and productivity metrics. Collaborate with the Cloud DX team, which handles CI/CD and production infrastructure, to support a seamless software development life cycle. Integrate AI into the software development process, enhancing workflows from code creation to debugging and testing. Ensure new AI-driven enhancements are high quality and can scale safely across the engineering organization. Team focus The Core DX team is responsible for the inner development loop and daily experience of AlphaSense engineers. This includes writing and testing code, managing internal tools, and tracking productivity. While the Core DX team’s work is distinct from the Cloud Platform DX team (which focuses on CI/CD and production infrastructure), close collaboration helps deliver a unified experience for all engineers at AlphaSense.

Apr 21, 2026

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Principal Software Engineer - Product Platforms

AlphaSense

Full-time|On-site|Helsinki, Uusimaa, Finland

About AlphaSense: AlphaSense is trusted by the world's most advanced companies to eliminate uncertainty in decision-making. Our AI-driven market intelligence platform provides crucial insights sourced from reliable content. Our extensive database encompasses public and private materials, including equity research, company filings, event transcripts, expert calls, news articles, trade journals, and clients' proprietary research.The recent acquisition of Tegus by AlphaSense in 2024 propels our unified mission to empower professionals with smarter decision-making tools through enhanced AI market intelligence. This partnership will drive growth, innovation, and content expansion, equipping users to extract deeper insights from a myriad of content sets. With over 6,000 enterprise clients, including a significant portion of the S&P 500, AlphaSense is a leader in the industry. Founded in 2011, our headquarters is in New York City, with a diverse team of more than 2,000 employees spread across the globe, including offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Join us on this exciting journey!About the Role:We are seeking a Principal Software Engineer to spearhead the development of API-first product platforms at AlphaSense. You will play a pivotal role in creating platforms that support various product interfaces, integrations, and intelligent workflows.In this position, your focus will be on crafting platforms as products: building well-designed APIs, establishing clear contracts, ensuring robust reliability, and developing a roadmap that reflects genuine product requirements. These platforms will be utilized by internal product teams and external integrations, including AI agents.This role uniquely blends hands-on engineering with cross-functional technical leadership. You will remain engaged with the codebase while shaping the design, evolution, and adoption of product platforms throughout the organization. Collaboration with multiple teams and domains will be key as you align long-term technical strategies while owning end-to-end systems. This position is not about people management or merely providing architectural advice; we are looking for a Principal who thrives on building, prototyping, iterating, and resolving complex challenges in production environments.What You’ll Do:Serve as the technical owner and multiplier for API-first architecture across the organization.Design, construct, and enhance high-scale APIs utilized by internal teams, external customers, and AI-driven agents.

Feb 10, 2026

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Software Engineering Consultant at Netlight | Helsinki

Netlight

Full-time|On-site|Helsinki

What does it mean to be a Consultant at Netlight?At Netlight, our consultants engage in vital projects that drive digital transformation. Our mission is to unlock the full potential of our clients and ourselves. You will play a crucial role in shaping the software products and technical solutions of the future, collaborating closely with both colleagues and clients. We believe in customizing roles to fit individual strengths, interests, and market demands. Here, you will have the freedom to chart your career path, select your projects, and define your role. You will benefit from mentorship, coaching, and networking opportunities to facilitate your personal and professional development. The scope for growth is limitless!Our focus extends beyond just digital products; we aim to create a positive impact on teams and businesses. Our projects cover a broad technical spectrum, including Fullstack Development, Backend, Data Science & Engineering, Cloud Solutions, Architecture, Web Development, AI solutions, DevOps, and more.

Mar 24, 2018

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