Senior Python Developer Jobs in Helsinki, Finland

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Senior Python Developer

Trumo is a fast growing fintech company that specializes in fast, secure, and cost-effective account-to-account (A2A) payments. We are on a mission to redefine payment solutions. From merchant payment processing to advanced open banking services, we’re building secure, scalable, and efficient financial pro ...

Senior AI/Python Developer

About Us Welcome to Netigate, a dynamic platform at the forefront of revolutionizing employee and customer engagement. Our mission is to provide organizations with the insights they need to foster meaningful interactions and achieve outstanding outcomes. Through our innovative interface a ...

Senior AI/Python Developer

About Us Welcome to Netigate , a dynamic platform at the forefront of revolutionizing employee and customer engagement. Our mission is to provide organizations with the insights they need to foster meaningful interactions and achieve outstanding outcomes. Through our innovative interface a ...

Python Developer

HiQ:lla missiomme on yksinkertaistaa ihmisten elämää. Syvän ja monipuolisen teknologia- ja toimialaosaamisemme sekä luovan ajattelun avulla taklaamme asiakkaidemme haasteita ja luomme entistä toimivampia ratkaisuja. HiQ:lla rakennetaan aidosti arvokkaita palveluita asiakkaalle. Meillä pääset rakent ...

Full Stack Developer (Python)

NeuralFlex is a Finland-based AI consultancy focused on helping small to medium businesses integrate AI solutions for efficiency, innovation, and long-term success. We aim to empower businesses by providing smart AI solutions designed to stay ahead of the curve and ensure teams understand the AI pipeline i ...

Senior Python Developer FinTech Payments & Open Banking

Trumo is a fast growing fintech company that specializes in fast, secure, and cost-effective account-to-account (A2A) payments. We are on a mission to redefine payment solutions. From merchant payment processing to advanced open banking services, we’re building secure, scalable, and efficient financial pro ...

Innovative Software Developer — Java, Python & JS

Peab DEMO TD in Helsinki is looking for an experienced Software Developer to join our tech team. The ideal candidate will have a Bachelor's or Master's degree in Computer Science and at least 2 years of software development experience. Responsibilities include designing, coding, testing, and maintainin ...

Full Stack Developer, Python / React / AWS

Would you like to develop modern cloud-based applications for product data management and lifecycle data in a global technology company? We are looking for a Full Stack Developer for a long-term role in Helsinki, Finland. This is not a legacy system maintenance role — you will join a growing service area with ...

Senior Developer

Senior Developer Wärtsilä is a leading marine technology company that is transforming the industry toward a decarbonised and sustainable future. The role involves developing solutions for mission‑critical systems that reduce the carbon footprint around the world. The preferred location is ...

Senior Developer

Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future.With the world’s widest portfolio and service network, we – Wärtsilians - deliver efficient, safe and sustainable integrated products and solutions to enhance the business ...

Senior Java & Python Applications Engineer

Ampstek is looking for an experienced Application Support professional in Helsinki, Finland. This role requires 6+ years of experience in application support with strong technical expertise in Java and Python. Responsibilities include managing production environments, leading incident triage, and ensuring servic ...

Senior Software Developer

Join us! We’re always happy to hear from people who are eager to learn and grow, and share our values. Read more about the role and apply. About the role What is FutuCare, one might wonder? It’s Futurice's model for ensuring continuity, support, and continuous fe ...

Senior Developer / Architect

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 ...

Senior Frontend Developer

With roots in the Southern part of Finland, Kempower is a globally operating DC fast charger designer and manufacturer with a vision to create the world's most desired EV fast charging solutions for everyone, everywhere. At Kempower, we are driving the electric vehicle evolution to create a cleaner ...

Senior Android Developer

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 siirtoasiak ...

Senior Frontend Developer

Tässä roolissa et päädy viilaamaan nappien paikkaa viikosta toiseen, vaan pääset vaikuttamaan koko tuotteemme frontendin suuntaan — rakenteisiin, toteutukseen ja siihen, miten tuote kehittyy eteenpäin. Olemme kasvuvaiheessa, joten pääset näkemään läheltä, miten tuotetta, tiimiä ja kansainvälistä Saa ...

Senior Software Developer

Bradleys Digital etsii kokeneita ohjelmistokehittäjiä vahvistamaan asiakasprojektejamme Tampereella tai Helsingissä – tai hybridimallilla. Olemme kokeneiden ja erittäin taitavien asiantuntijoiden kotipesä. Meillä et ole pelkkä toteuttaja. Olet tekninen asiantuntija, joka osallistuu arkkitehtuurin s ...

Senior AI Developer

Työ Etsimme devaajaa, joka haluaa kehittää ohjelmistotuotetta ja ottaa haltuunsa sovitut AI-kehityksen toteutusvastuut. Asiakkaamme ovat johtavia taloushallinto-, ERP- ja HRM-softia sekä palkkaulkoistajia ja olemme alan AI-kehityksessä eturintamassa. Tässä työssä sinulla on mahdollisuus l ...

Senior Full Stack Developer

Työn kuvaus Etsimme kasvavaan Data, Digital & AI -yksikköömme kokeneita Full-Stack ohjelmistokehädijä mielenkiintoisiin asiakasprojekteihin. Työskentelet asiakkaidemme kanssa modernien digitaalisten palveluiden suunnittelun ja toteutuksen parissa. Odotamme sinulta itsänön otetta ja laatua ...

Senior Back end Developer

Overview Imagine a future where everyone has instant, low-cost access to powerful computing resources. We're building a fully featured European cloud computing platform—with everything one needs to run, scale, and deploy applications and workloads. In addition, our infrastructure runs on 100% rene ...

Senior AI Native Developer

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 organisaa ...

Senior Backend Developer (C#)

Our in-house product is a comprehensive HR and payroll system that covers an intranet, an extranet, browser and mobile applications together with their APIs and integrations. We are looking for two experienced backend developers to strengthen our product development. You will get to do mean ...

Senior Full Stack Developer

Full Stack Developer Etsimme nyt Netumin Asiantuntijapalveluihin kokeneita Full Stack -kehittäjiä työskentelemään asiakasprojekteissamme. Meidän koodia löytyy terveydenhuollosta, finanssi- ja vakuutusalalta ja koneohjauksesta. Meillä sinua odottavat mielenkiintoiset projektit, avoin työilmapiiri ...

Senior Mobile Developer (iOS)

Location: Hybrid, 4 days per week at the office Contract: Full time, permanent About Zevoy We are a fast-growing fintech reshaping corporate expense management. We process real-time transaction data across 13 European markets, turning the chaos of corporate spending, receipts, and ...

Senior C++ Developer, QNX

Company Overview Basemar is a product company in AR, automotive, defense, and compute & graphics software. We are based in Helsinki, with satellite offices in Germany and the United States, and a team of around 80 people worldwide. Our focus is on real‑time 3D graphics, GPU‑compute programming, a ...

Senior Dynamics 365 Developer

We are looking for a Senior Dynamics 365 Developer to work on complex development and enhancement tasks in existing D365 CE environments. The role focuses on technical solution design, customization, and close collaboration with internal IT and business stakeholders. Key Responsibilities < ...

Senior Full Stack Developer

Etsimme kasvavaan Data, Digital & AI -yksikköömme kokenutta fullstack-ohjelmistokehittäjiä mielenkiintoisiin asiakastoimeksiantoihin. Teemme läheistä yhteistyötä avainasiakkaidemme kanssa huippujen tyyppien löytämiseksi. Kokeneilta kehittäjiltämme odotamme itsenäistä työskentelyotet ...

Senior React Native Developer

On a mission to make musicality as common as literacy At Yousician, you’ll help shape the future of music education and profoundly impact the lives of millions of people. Yousician impacts and enriches the lives of millions of people by empowering them to play music they love, learn somet ...

Senior Full Stack Engineer, PostgreSQL Developer Experience

Aiven is seeking a Senior Full Stack Engineer to join our PostgreSQL Developer Experience team in Helsinki, Finland. This role focuses on transforming complex PostgreSQL features into user-friendly interfaces and ensuring a delightful developer journey from onboarding to growth. You will collaborate on a tech st ...

Senior Python Production Support Lead — 24x7 & Observability

Ampstek is seeking a Lead Python Production Support professional in Helsinki, Finland. This role involves proactively identifying issues in production environments, managing application deployments, and collaborating with stakeholders across the organization. The ideal candidate should have a Bachelor’s degree a ...

Senior AI Engineer Python, LLMs & Azure Cloud

A leading technology firm in Helsinki is seeking an experienced professional to build and optimize AI-driven services using Python. The role focuses on designing hybrid retrieval systems and working closely with a development team to integrate AI capabilities. Ideal candidates will have over 5 years of Python ex ...

Software Engineer (Python)

The role We're looking for a backend‑focused software engineer with solid Python skills. Seniority matters less than mindset: we want someone who sees an unfamiliar codebase and thinks, I'll figure it out. You’ll work on the systems that make Vainu’s data products run: pipelines, APIs, ...

Software Engineer (Python)

About Vainu Vainu is a Nordic sales intelligence platform helping B2B companies identify and act on the right signals at the right time. Our data pipelines process millions of company records, financial statements, job postings, and procurement documents. We're expanding fast into AI-powere ...

Senior Mobile Developer (React Native)

Job Overview Senior Mobile Developer is responsible for developing high-quality, long-lived applications using modern technologies and well‑thought‑out architecture in long-term mobile projects that require strong technical skills and cross‑platform React Native expertise. Responsibiliti ...

Senior Back End Developer (Node.js)

Overview HiQ:lla missio on yksinkertaistaa ihmisten elämää. Syvän ja monipuolisen teknologia- ja toimialaosaamisemme sekä luovan ajattelun avulla taklaamme asiakkaidemme haasteita ja luomme entistä toimivampia ratkaisuja. HiQ:lla rakennetaan aidosti arvokkaita palveluita asiakkaalle. Meil ...

Senior Guidewire BillingCenter Config Developer

A technology consulting company in Helsinki is looking for a Guidewire BillingCenter Configuration Developer. This role involves leading the configuration and customization of the Guidewire BillingCenter for major insurance clients in Finland. Responsibilities include implementing billing rules, troubleshooting, ...

Senior Fullstack Developer, Defence Security

Meillä pääset tekemään merkityksellistä työtä, jolla vaikutetaan suomalaisen yhteiskunnan turvallisuuteen. Olemme keskeinen toimija turvallisen digitaalisen yhteiskunnan kehittämisessä. Tarjoamme puolustus- ja turvallisuussektorin asiakkaille moderneja ja korkean turvallisuuden vaatimusten mukaisia palvelu ...

Senior full stack developer (Integrations)

Helsinki, Finland Senior full stack developer (Integrations) Who are we? At Ellie.ai we’re on a mission to shake up the enterprise data world by combining modern technology, AI, and seamless integrations with the best-in-class user experience. We challenge the “old-school” ways ...

Senior Salesforce Developer — Greenfield Transformation

Us3 Consulting is seeking a Salesforce Developer in Helsinki, Finland, with 6-8 years of IT experience and 4-5 years specifically in Salesforce. The role entails grooming requirements, implementing stories for a greenfield project, and ensuring compliance with Salesforce standards and best practices. Candidates ...

Senior Back end Developer, Provisioning

Your responsibilities You’ll contribute to building a sovereign European cloud, working on core systems that power our platform. A key focus will be developing our next-generation provisioning system - designed from the ground up for performance, reliability, and scale. You’ll bui ...

Senior Mobile Developer (React Native)

Senior Mobile Developer (Android/iOS/React Native) Kaipaatko mobiilikehittäjänä projekteja, joissa pääsisit toteuttamaan laadukkaita sovelluksia moderneilla teknologioilla ja arkkitehtuureilla? Haluaisitko työskennellä pitkäaikaisissa projekteissa, joissa näet oman työsi vaikuksen ja pääset kehitt ...

Senior Java Developer, Accounting team

About Our Team Ready to make an impact in financial technology? Join our innovative Accounting team where you'll build cutting-edge applications that bridge front and back office operations, creating the foundation for critical business reporting. We're a collaborative team of 20+ profession ...

Senior Full Stack Developer (TypeScript)

Overview Are you a skilled full-stack developer ready to make a real impact? We are looking for multiple experienced developers to join Upright's Platform Team and help shape the future of our data analytics platform. Upright’s platform ( powers decision-making for 1,000+ instit ...

Senior Software Engineer, Developer Experience

Our mission at Oura is to empower every person to own their inner potential. Our award-winning products help our global community gain a deeper knowledge of their readiness, activity, and sleep quality by using their Oura Ring and its connected app. We've helped millions of people understand and improve th ...

Senior Software Developer, Payments (Helsinki)

Senior Software Developer, Payments (Helsinki) Apply between 29 May 2026 and 14 June :59 (Europe/Helsinki) Elisa’s Digital Services is a dynamic unit responsible for creating a wide range of services for both corporate and consumer customers. We are a diverse group of profe ...

Senior Full Stack Engineer, PostgreSQL Dev Experience

A company focused on open-source technology is seeking a Senior Full Stack Engineer to enhance the PostgreSQL developer experience. Responsibilities include designing intuitive interfaces, ensuring seamless user journeys, and collaborating across teams. Ideal candidates will excel in Python, TypeScript, and Reac ...

Senior Backend Engineer (Python/Go) – AI Translation & MIRA

Wolt in Helsinki seeks an experienced Backend Engineer to design scalable systems and develop AI-powered translation capabilities. Ideal candidates possess strong skills in Python or Go and experience in cloud platforms. The role offers the opportunity to work in a dynamic team focused on robust solutions in AI ...

Senior Credit Risk Modeler, EAD/IRB Python/SQL

Nordea in Helsinki is looking for a Senior/Quantitative Analyst to join the EAD Models team. This permanent position offers the chance to leverage advanced modelling and collaborate with cross-functional teams. The ideal candidate has a Master’s or PhD in a quantitative field, experience with data anal ...

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