senior fullstack developer

We’re looking for a Senior Fullstack Engineer to help build and evolve Smartly’s TikTok offering, enabling some of the world’s largest advertisers to create, manage, automate, and optimize their TikTok campaigns at scale. TikTok is an important part of Smartly’s multi-channel advertising offering. The capabilities you build will directly shape how...

A leading advertising technology firm in Helsinki is looking for a Senior Fullstack Engineer to enhance its multi-channel advertising platform. In this role, you will design and implement integrations, develop data-intensive systems, and support clients like Google and Spotify. You will work with Node.js and TypeScript, ensuring high standards of scalability...

Smartly is seeking a Senior Fullstack Engineer to help build and evolve its TikTok offering. You’ll own end‑to‑end capabilities from UX to services, collaborating with product managers and designers to deliver scalable, reliable solutions.You’ll work across the stack with Node.js, TypeScript, and React, shaping architectural decisions and mentoring...

Wolt is seeking a Fullstack Engineer to build production software across backend and frontend, collaborating with product, design, data, and operations. You’ll own features end-to-end and contribute to APIs, data models, and scalable systems.Based in Helsinki on a hybrid basis, you’ll work with Go/Kotlin on the backend and TypeScript/React on the...

Smartly seeks a Senior Fullstack Engineer to shape the TikTok offering for large advertisers, enabling creation, management, automation, and optimization at scale. You’ll own development end-to-end across the stack, from UX to services and integrations, with opportunities to explore AI and automation.You’ll influence architectural decisions, collaborate...

Smartly is seeking a senior engineer to own vertical slices of the platform, from design to API contracts, working across UX, product, and infrastructure teams. You will contribute to creative engineering initiatives and ensure high quality software that meets customer needs.The role requires 7+ years of experience in web applications, strong React frontend...

Putting people first, every day BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that fosters a people-first culture with a high priority on your personal...

Readpeak is seeking a Senior Fullstack Developer to own end-to-end media format services for our programmatic marketing platform. You will write code, collaborate with stakeholders, and ship low-latency services with AI-enabled development.You will work with a team of engineers and product people to iterate on the product with real traffic, building scalable...

Accenture + ServiceNow:Accenture is one of ServiceNow's strongest and most comprehensive Global Elite Partner partners. Our cooperation covers the entire ServiceNow platform and key workflows in the areas of IT, customer and employee experience and business processes.Accenture has received several significant recognitions from ServiceNow,...

Are you looking for a responsible role in a fast-growing Helsinki-based scale-up with strong multinational business and rocketing growth? Do you have solid experience in software development, and do you take security just as seriously? How does a key role in a rapidly growing success story sound? At Kultakiertue, we are the market leader and pioneer in the...

Company NestAI is a European AI lab for defence delivering the adaptive operating system for modern battlefield operations. We develop adaptive intelligence for unmanned and command systems: AI that continuously learns from operational data and adapts to changing conditions. NestOS is our open, modular and interoperable platform that enables this at scale...

Senior PHP Developer at Pulse247 OyWe are seeking an experienced PHP developer to join our distributed product development team. The role focuses on developing MyCashflow, a Finnish online shop software, using PHP.You will produce auto-tested code that is maintainable and extensible and, when needed, refactor legacy code to conform to current practices. The...

We are looking for a Senior Developer or Architect – someone who has proven they can build and evolve complex software systems and is ready to bring that expertise to projects that power business-critical operations across industries. At Forge, your work enables real business impact for organizations that keep society moving. If that sounds like your kind...

Overview Innovaatioillamme pidämme huolta ympäristöstä ja viemme jätehuollon kehitystä eteenpäin. Ympäristöhuollon logistiikka ohjataan ja optimoidaan VINGO Kuljetus sekä VINGO Logistiikka -sovelluksilla. VINGO Kuljetus on kuljettajan autopäätesovellus kuljetustehtävien hoitamiseen ja siirtoasiakirjojen käsittelyyn. Haemme kokenutta...

Job ID: 1040 Location: Helsinki, Finland We are looking for a Senior Calypso Developer to join our team developing components powering one of core processes in the trading business - Settlement. This is a permanent and full-time position, based in our office in Helsinki (Finland). About our team Meet the Settlement Development team. Our role is to develop...

We are looking for a seasoned professional to join our compact development team to work on our world-class plug-ins. The role involves working with R&D, designers and QA to implement upcoming products, and maintain existing ones on both macOS and Windows. Our product development team currently consists of three C++ developers, a web developer, a QA engineer,...

emagine is looking for a Senior Android developer for one of our banking clients for their office in Finland, Start: 2026-10-08 End: 2027-03-31 (extension possible) Location: Helsinki, 2-3 days/week at the office About the role: • Design, implement, and maintain high-quality Android applications using Kotlin and Jetpack Compose • Lead and contribute...

Smartly in Helsinki is seeking an experienced engineer to own vertical slices of our platform, collaborating with UX, product, and infrastructure teams to deliver robust web and backend solutions.You will work with React on the frontend and Node.js/TypeScript on the backend, communicating clearly with stakeholders and driving high-quality software delivery...

Wolt is seeking a Fullstack Engineer to help build merchant-focused products across the stack. You’ll own features end-to-end, collaborating with product, design and data teams to deliver reliable APIs, services, and user-facing features. Strong AI-first mindset and experience in Go, Kotlin, TypeScript/React is ideal.Based in Helsinki or Berlin on a hybrid...

Meille teknologian merkityksellisyys syntyy siitä, kun järjestelmät, liiketoimintaprosessit ja ihmiset kytkeytyvät yhteen yksittäisten ratkaisuiden, tekoälyagenttien tai automaatioiden sijasta. Fellowmindilla 'Connected Company' ei ole vain iskulause, vaan tapamme rakentaa aidosti integroituneita organisaatioita, joissa liiketoimintaprosessit ja...