69 backend developer English-speaking jobs in Helsinki

Senior Backend Engineer (Golang) – Localization Platform We’re seeking a Senior Backend Engineer to ... reliability, scalability, and clear documentation Contribute to key architectural decisions in the developer ... technical vision and architecture Collaborative culture — work with product, content design, and developer ... string storage and distribution, seamless integration with third-party translation services, and robust developer ... language is welcome) Collaborate with frontend, backend, and mobile platform teams to ensure seamless

WHY YOU SHOULD APPLY We are now looking for a Senior Backend Developer to develop critical backend ... As a Backend Developer in the team, you'll get to make concrete changes in the app and the payment ... WHAT YOU WILL DO As a Backend Developer at Yousician, your day‑to‑day responsibilities will include ...  3 and backend frameworks like Flask or FastAPI . ... Ensure the monetization backend is scalable, fast, and reliable, handling high volumes of transactions

Wanted: We are looking for multiple experienced backend developers to join Upright's platform and

As a Fullstack Developer with a frontend bias, you’ll focus on building Fluxion’s grid + graph UI — where ... You’ll work closely with design and backend to make deeply technical concepts feel clear, responsive, ... sites) Strong experience with advanced state management and syncing complex client-side state with backend ... : from APIs and state management to polished UI Help shape frontend architecture, performance, and developer

Role Overview As a Full Stack Developer at ONEiO Cloud Oy, you will be part of a highly skilled and ... You will build new product features across both backend and frontend layers, helping global customers ... or SaaS product development Proven track record building scalable web applications with strong backend ... Responsibilities Development & Technical Excellence Design, implement, and maintain product features across backend

We’re looking for a Senior Software Developer to join our Legal Insights business and play a key role ... Your Impact As a Senior Software Developer in Legal Insights, you’ll be architecting and owning complex ... track record of delivering complex projects Deep expertise in both frontend (TypeScript/React) and backend ... experience Strong full-stack development skills with deep expertise in at least one area (frontend or backend

We're looking for a Senior Software Developer to join our Legal Insights business and play a key ... Your Impact As a Senior Software Developer in Legal Insights, you'll be architecting and owning ... track record of delivering complex projects Deep expertise in both frontend (TypeScript/React) and backend ... experience Strong full‑stack development skills with deep expertise in at least one area (frontend or backend

We’re looking for a passionate developer who thrives in a fast-paced financial environment where your ... microservices that implement trade execution, rich integrations, and customer trade automation using backend ... to work independently while collaborating effectively with diverse teams Open to working with both backend ... document solution architecture with adherence to relevant standards and guidelines Contribute to both backend ... Relevant degree in computer science, engineering, math, economics, or (computational) finance Strong backend

As a Full Stack developer at Reaktor, your job is to be an expert in a range of software development ... You are a curious-minded developer who is comfortable working on both the back-end and front-end of an ... Implementing new features that require changes to frontend applications, backend servers, and/or databases ... Relevant skills to create new backend services and build CI/CD pipelines when the project requires. ... in this position, you’ll need: Experience in a broad range of software development modalities (backend

Experience partnering with infrastructure or backend teams to operate shared systems reliably. ... Act as a technical partner to infrastructure and backend teams on CI-related systems and scaling challenges ... Own developer-facing observability & instrumentation Own developer-facing observability practices ... CI and developer-facing observability, including metrics, dashboards, and alerting. ... We focus on systemic improvements that scale across teams and directly impact developer productivity.

We are looking for a solid Fullstack Developer for the Membership squad who is passionate about building ... Your current experience might lean more heavily towards either front-end or backend - key is to be open ... We design, build, and operate the backend services and user-facing flows that make it easy and reliable ... following technologies: Frontend: Modern front-end frameworks, such as React, and modern state management Backend

Fluency: in frontend (React), backend (Node/GraphQL), and data boundaries. ... About the Role We are a Seed stage company looking for a Full‑Stack Developer to turn AI‑generated

with users and researchers to understand tax workflows in detail Contributing to internal tooling and developer ... Attributes for Success To thrive in this role, you possess a strong foundation in both frontend and backend ... Development : Building multi-step workflows, sophisticated form validation, and responsive interfaces Backend

Optimize backend performance, reliability, and security across multi-tenant environments. ... We are looking to hire (Senior) Backend Engineer for Cloud Protection Team to Design, architect, implement ... Participate in Enterprise Scale Testing and own load testing of Backend Systems What are we looking ... learn new things, always looking to make things better and enjoys working in a team. 5+ years of backend

These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft

Model-Based Design (MBD) Developer We are looking for an experienced Model-Based Design (MBD) Developer

Experience working with large-scale backend tools and systems. ... It also builds and maintains tooling used for game backend development, testing and observability. ... This role is central to empowering our server tools team to deliver robust, scalable, and high-quality backend ... Knowledge of various server and backend frameworks, cloud environments, and scalable distributed systems ... within the gaming industry in a technical domain, preferably in game server development or a similar backend

who enjoys working in large codebases, solving technical challenges, and building tools that improve developer ... who enjoys improving developer workflows, solving complex technical challenges, and working on large-scale ... engine integrations Experience building in-game debugging or visualisation tools Experience improving developer ... multiple teams Contract opportunity within a high-performing development environment If you’re a C++ developer

Mynt is seeking a Sales & Business Developer to join a new team in Finland.

Lead participation in targeted customer and industry developer events and activities. ... You will become a NVIDIA technology mentor and focal point for the software developer community. ... We are rapidly growing into various verticals as stated above and looking to grow our team with a developer ... geographies, particularly with solution architects, software developers and engineering resources, developer