senior full stack developer

Location: Warsaw Contract Type: 2 Months Job Type: Hybrid - Build complete business features across backend APIs, React frontend, and cloud services - Work with modern tech stack including .NET Core, TypeScript, Azure, and both SQL and NoSQL databases - Solve complex technical challenges across multiple application layers - Contribute to code quality...

We are looking for a Mid-Level Full-Stack Developer to join our team working in an API-first environment. In the coming months, your key responsibilities will focus on designing, developing, and implementing advanced integrations and cloud services. - 2–3+ years of commercial experience as a Full-Stack Developer. - Strong practical experience developing...

Simplicity Sp. z o.o. zaprasza do zespołu IT do tworzenia aplikacji serwerowych w architekturze monolitycznej i mikroserwisowej. Będziesz wdrażać oprogramowanie na Windows i Linux, integrować systemy oraz brać udział w projektowych spotkaniach.Wymagamy minimum 2 lat doświadczenia w C#/.NET, JavaScript/TypeScript oraz znajomości React lub Angular,...

SINGU is seeking a Full Stack Developer to join our product team in Kraków. You will contribute across backend architecture and customer-facing interfaces, collaborating with a Team Lead, Product Manager, and Product Designer to deliver reliable, secure software.You’ll participate in code reviews, uphold strong testing practices, and use AI-assisted...

SINGU is seeking a Full Stack Developer to join our product team in Kraków. You will contribute across backend architecture and customer-facing interfaces, collaborating with a Team Lead, Product Manager, and Product Designer to deliver reliable, secure software.You’ll participate in code reviews, uphold strong testing practices, and use AI-assisted...

Senior Full Stack Engineer (.NET / React) About the role Join one of the technology teams supporting a global investment management firm. You will become part of an established engineering team responsible for developing and enhancing internal platforms used by Trading & Compliance or Treasury departments. This is not a greenfield project. You'll work on...

A leading global consulting firm is looking for a Senior Python Full-Stack Developer in Katowice, with a hybrid work model (2 days in office, 3 days remote). The role involves collaboration within international projects and utilizing advanced technology stacks. Candidates should have over 3 years of experience in Python, Frontend, and deployment on cloud...

HID is seeking a Senior Full Stack Engineer in Krakow to develop and maintain web applications and services using .NET, C#, and Vue.js within an agile team. You will gain exposure to AWS cloud services and be responsible for the full application lifecycle from design to testing.The role requires a strong backend focus, 7+ years of experience, and excellent...

A tech company in Poland is seeking an experienced backend developer with at least 5 years of experience in financial services. The role involves working in an agile team, crafting innovative backend solutions, and engaging in the full software lifecycle. Key skills include expertise in C#, ASP.NET Core, and service-oriented architecture. The ideal candidate...

Tripadvisor is seeking a product-focused Senior Software Engineer to join the Experiences Engineering team. This full-stack role centers on Java, SQL, React, AWS, and AI tools, with a remote-first model and optional on-site gatherings in Kraków or other hubs.You will lead end-to-end features, mentor engineers, and collaborate across product, data, and ops...

LE0002 Relativity Poland sp. z o.o. is seeking a Senior Full Stack Software Engineer to design and develop software products. You will work in a collaborative environment utilizing advanced technology while being responsible for mentoring peers and ensuring high-quality standards.The ideal candidate should have over 5 years of experience in C#/.NET,...

EPAM Systems, Inc. is seeking a Senior Full-stack Developer to drive backend and frontend delivery in a multi-cloud setup.You will build with Python/FastAPI, React/TypeScript, PostgreSQL, OpenSearch, and Databricks while optimizing performance. Responsibilities include creating and maintaining web apps, architecting APIs for high-load workloads, improving...

Netflix is seeking senior full stack engineers in Warsaw to revamp web applications for partner products. The ideal candidates will design, build, and operate solutions, focusing on delivering high-quality code while enhancing user experiences. The role demands collaboration across teams and a strong grasp of backend and frontend technologies.If you're...

We're looking for an experienced Senior .NET Engineer with Cloud expertise to become part of a dynamic development team working on a project for one of our key clients. Your role will involve designing, building, and maintaining secure, scalable, and robust web applications and services through .NET and the cloud, along with strong front-end development...

Atos is seeking two Senior Full‑Stack Developers to join a project delivering an IT solution for a railway sector client. The role covers backend and frontend work, API development and CI/CD in a B2B, 100% remote setup from Poland.You'll design scalable, secure applications, integrate modules, and contribute to architecture decisions while collaborating...

SD Solutions is looking for a talented Senior Full-Stack Developer to lead the end-to-end development process for a large-scale advertising technology platform. In this role, you will design and implement backend services using Java (Spring Boot), build modern frontend applications with Angular (15+), and ensure robust system architectures.The ideal...

A Full Stack Senior Software Engineer role in Akamai's Compute Team offers the chance to build and enhance Cloud Manager, a web-based UI used by thousands daily. You’ll implement backend service updates with TypeScript, React, Python, Flask, SQLAlchemy, REST APIs, and Docker in an agile environment.Remote within Poland with strong emphasis on scalable,...

A growing tech company is seeking a mission-driven senior engineer to build incredible products. The role is fully remote, offering a starting salary range of $190K-220K, depending on experience. Candidates will leverage their extensive experience in Typescript, React, and Node.js to shape the product direction and deliver high-quality code. The position...

Societe Generale занимается финансированием и привлечением клиентов в цифровом формате, поддерживая информационную систему и развивая внутренние Java-модули в SG Cloud с плановой миграцией в Azure.Команда...

A software development firm in Poland is looking for a Senior Software Engineer with a strong background in frontend development, particularly using Python and React. This role involves building applications to help manage financial risk, visualizing data, and optimizing code performance. Ideal candidates should have a degree in Computer Science, Maths, or...