215 backend developer English-speaking jobs in Helsinki

Enough backend and frontend experience to take a real system from architecture to interface without needing

record building complex, mobile-first web apps (Svelte/SvelteKit or similar) Strong experience in backend

Experience integrating mobile applications with networked devices or backend services is valuable.

Business Simulation Developer researches and constructs models reflecting real scenarios. Responsibilities include testing, support, and documentation. Candidates need analytical thinking, a business background, and working level English.

You may have deeper experience in either frontend or backend development. ... Design and implement backend services and APIs using Node.js, Express, and related technologies. ... Experience building or consuming APIs and working with backend services, ideally using Node.js and Express

You may have deeper experience in either frontend or backend development. ... Design and implement backend services and APIs using Node.js, Express, and related technologies. ... Experience building or consuming APIs and working with backend services, ideally using Node.js and Express

You may have deeper experience in either frontend or backend development. ... Design and implement backend services and APIs using Node.js, Express, and related technologies. ... Experience building or consuming APIs and working with backend services, ideally using Node.js and Express

You may have deeper experience in either frontend or backend development. ... Design and implement backend services and APIs using Node.js, Express, and related technologies. ... Experience building or consuming APIs and working with backend services, ideally using Node.js and Express

Deep full-stack judgment across backend and frontend systems. ... You treat frontend, product language, or customer experience as less serious than backend architecture ... Technical vision and architecture across frontend, backend, APIs, data, infrastructure, real-time systems

Your role in a nutshell As an AI Developer, you get to develop various agent-based and data-driven ... Here’s how our developer Miska describes his experience working on AI‑based projects: “I’ve had the ... You can find more information about our work on our Dev blog and in the results of our Developer Survey ... You don’t need to have worked under the title “AI Developer” before: what matters most is your curiosity

You are passionate and well known as a developer in your field.

in modern C++ Engine/runtime development experience Experience with build systems, automation, and developer

Not a typical backend role, and not a typical frontend role either. End-to-end ownership. ... input directly shapes the roadmap Own features end-to-end: design the API, build the async Python backend ... Full-stack ability: you can contribute confidently to a React/TypeScript codebase and take a feature from backend

Senior / Expert Java Developer - Safekeeping & Trading Operations Helsinki, FI, 00500 Job ID: 4759 ... English with 6+ years' enterprise software development experience (10+ for Expert role) as a software developer

Experience in backend development using modern technologies. ... On the backend side of things, our favored stack is Node.js in combination with TypeScript usually coupled

We are looking for an experienced Delphi Developer to join our growing engineering team.

a strong track record of shipping and maintaining globally successful titles is looking for a Lead Developer

Job ID: 3484 Lead Developer for Financial Crime Prevention Models, specialised in Model Development

.* Develop and maintain APIs for consumption by other backend services or frontend code.* Collaborate ... knowing how to design, document, and implement different architectural and design patterns.* Strong backend

Our tech stack Backend: Node.js, TypeScript Frontend: React, TypeScript Infrastructure: PostgreSQL ... process large volumes of campaign and performance data Develop and evolve client‑facing APIs and backend