Search current senior backend developer jobs, vacancies, and employment in Warszawa, Polska on Jobeax. 2,728 senior backend developer jobs in Warszawa, Polska.
Wyświetlane oferty
A digital bank is seeking a Java Developer to work on transformational projects within their Banking as a Service model. You will design and implement scalable applications while collaborating with a team. The role involves code reviews, troubleshooting, and mentoring less experienced members. Ideal candidates should have ...
Poland, Warszawa
38000 - 44000 zł
About the Role We are seeking an experienced Python Developer to join our technology team and contribute to building robust, data-driven applications that support key financial processes. In this role, you will develop backend systems that enhance the efficiency, reliability, and scalability of financial operations. This ...
Poland, Warszawa
We are seeking a Senior Golang Developer to join a high-impact engineering initiative for a leading global financial services client. In this role, you will help modernize mission-critical infrastructure by replacing legacy platforms with a modern, Go-centric developer ecosystem. This platform covers the full software delivery ...
Poland, Warszawa
1k
... cooperation within a stable ecosystem - The Jit community will bring you a nice time during regular integration meetings Project Development and maintenance of backend applications based on .NET, including the design and development of microservices and distributed systems. The project involves building and integrating APIs ...
Poland, Warszawa
120 zł PLN / month
... mentor colleagues and contribute to the collective technical expertise of the squad. Requirements: Minimum 4 years of commercial software development experience. Backend: Java 17/21, Spring Boot, Hibernate, SQL (Oracle), JMS, REST APIs. Experience with Spring Cloud is a plus. Frontend (nice to have): Angular 20 and Jest. Hands-on ...
Poland, Warszawa
$2k USD
We're seeking a Senior Full-stack Developer to help build a new product using Python and FastAPI for the backend, React/TypeScript for the frontend, and PostgreSQL and OpenSearch for database management. The product runs in a multi-cloud environment and relies heavily on Databricks. Responsibilities Build and maintain web ...
Poland, Warszawa
... Strong collaboration and communication skills Focused on long-term quality and engineering excellence Responsibilities Independently own and navigate a large backend ecosystem consisting of multiple services with minimal ramp-up support Develop and maintain backend services using Golang Write clean, scalable, and maintainable ...
Poland, Warszawa
... technology company specializing in creating innovative solutions for the e-commerce and fintech industry, which values creativity, commitment, and teamwork. Senior Frontend Developer (React + React Native) We offer: Attractive salary and bonus system, Possibility of remote work and flexible working hours, Private medical ...
Poland, Warszawa
Work model: 100% remote (candidates must be based in Poland) Contract type: B2B Industry: Banking / Investment Banking We are looking for an experienced Senior .NET Developer to join a distributed engineering team working on critical banking systems. The role focuses on extending and modernising applications used across ...
Poland, Warszawa
voize, a fast-growing Warsaw-based tech startup, is hiring a Backend Engineer to join the US/UK squad. You will ensure smooth data flows between voize and partner software, building integrations with care and scale. Target candidates bring Kotlin mastery, API integration experience, and strong English communication skills. ...
Poland, Warszawa
voize GmbH in Warsaw, Poland is seeking a Backend Engineer to ensure data flows between voize and partner healthcare software. You will build and maintain integrations that connect our products with hospital systems. The role emphasizes Kotlin and Coroutines, REST/GraphQL API design, and end-to-end ownership of integrations. ...
Poland, Warszawa
... business-critical processes, connect enterprise systems, and enable seamless data exchange between customers, logistics platforms, and customs services. As a Backend Developer, you will work with modern technologies including Kotlin, Kafka, REST APIs, relational databases, and cloud-based platforms. You will help solve real-world ...
Poland, Warszawa
... платформы, соединяющей UI‑слой с несколькими бэкенд-системами. Платформа изначально поддерживает консолидированный торговый blotter по FX, опционам, товарам и процентным ставкам. Команда работает над backend-сервисами, архитектурой обмена сообщениями и интеграцией систем, решая сложные задачи в условиях высокого воздействия.
Poland, Warszawa
IT Performance poszukuje doświadczonego .NET Developera (Mid/Senior) do zespołu zajmującego się systemami Security, Video-CCTV i Data Processing. Praca w środowisku on-premise, z planowaną migracją do .NET 10, z możliwością obsługi starszych komponentów .NET Framework. Zakres obejmuje rozwój i utrzymanie backendu C#/.NET, ...
Poland, Warszawa
21840 - 25200 zł
We are seeking a Senior Sharepoint Frontend Developer to join one of our projects from banking industry. Requirements: At least 5 years of experience developing SharePoint Online solutions using SPFx, React, and TypeScript Strong knowledge of: PnP SPFx Controls, PnPJs. Fluent UI. Microsoft Graph API. Experience developing ...
Poland, Warszawa
... modelach scale up the team. Naszymi klientami są firmy z wielu zróżnicowanych branż, szukające wsparcia najwyższej klasy ekspertów. Poszukujemy doświadczonego AWS Backend Developera, który będzie odpowiedzialny za projektowanie, rozwój i utrzymanie skalowalnych systemów backendowych oraz infrastruktury chmurowej AWS wspierającej ...
Poland, Warszawa
PRIMUS Global Solutions (PRIMUS UK & Europe)
PRIMUS Global Solutions (PRIMUS UK & Europe) seeks a React Developer with strong full‑stack experience across React, https://jobeax.com/link/Z30sZYC3jcRenVso, Python, and GCP to build scalable, high‑performance applications and backend services. The role involves working with a global, cross‑functional team to deliver robust ...
Poland, Warszawa
... KME (Key Management Entity) — komponentu odpowiedzialnego za bezpieczne zarządzanie i dystrybucję kluczy kryptograficznych generowanych przez łącze kwantowe. Backend Developer – system zarządzania kluczami kwantowymi (KME) (m/k) Opis stanowiska: Będziesz rozwijać KME — komponent odpowiadający za odbiór kluczy z warstwy kwantowej, ...
Poland, Warszawa
Experienced Backend Developer (.NET / AWS) Summary We are seeking an Experienced Backend Developer with expertise in AWS who excels in taking ownership and driving projects from conception to production. This role demands comfort in complex environments, a deep understanding of business and domain contexts, and a commitment ...
Poland, Warszawa
... such as budgeting, forecasting, P&L, costs, revenue, cash flow and actual-versus-budget analysis • Working with SAP-related financial data • Cooperating with backend and data engineering teams ✅ Key requirements: • Senior hands-on experience with Power BI • Strong DAX, Power Query and data modelling skills • Experience with ...
Poland, Warszawa