Praca dla senior software engineer- java w Warszawa

Project Description: The project is focused on improving the security, release reliability, maintainability, and operational resilience of business-critical banking applications. Forward Deployed Engineers will conduct targeted, hands-on engagements with development teams that are facing challenges with vulnerability remediation, automated testing, legacy...

Hello World! We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in "Customers and People First" approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our...

At Ledgy, we’re on a mission to make Europe a powerhouse of entrepreneurship by building a modern, tech-driven equity management and financial reporting platform for private and public companies. In 2026, we aim to be the leading provider for European IPOs and reporting for share-based payments. We are a value-based company with a core focus on being...

Share Job :# Senior Software Engineer- C++ **Company:** Storypoint **Location:** Warsaw-Poland **Experience:** 5-10 year **Salary:** 0 **Employment Type:****Job Description:**#### **Responsibilities*** Lead design and development of our core libraries that support high-frequency trading strategies* Work on optimizing performance and expanding...

Type of contract: fixed term contract with a possibility of extensionContract duration: 12 months with a possibility of extensionPay rate: 185,70 /h - 217, 62 PLN/h B2B(The final rate can vary depending on level of experience and the form of the contract)Our client: A leading global investment banking, securities, and asset management organization that...

BOSS Revolution helps millions of people across the world stay connected with family and friends — through international calling, mobile top-up, and money services. As a Senior Flutter Developer on our DTC Calling team, you'll build and evolve the flagship BOSS Revolution app: a large-scale Flutter product with a deep native calling stack (SIP/VoIP on...

Responsibilities Own and evolve SailPoint and Auth0 identity platforms, workflows, integrations and governance controls. Design and build backend services and automation frameworks to extend IAM capabilities. Develop AI assisted workflows that interpret Jira tickets and propose reviewable IAM changes. Build human in the loop provisioning, role modeling and...

At Bayer we’re visionaries, driven to solve the world’s toughest challenges and striving for a world where “Health for all, Hunger for none” is no longer a dream, but a real possibility. We’re doing it with energy, curiosity and sheer dedication, always learning from unique perspectives of those around us, expanding our thinking, growing our...

Net2phone is looking for an experienced Senior Golang Software Engineer to join our AI Team and help build the next generation of intelligent automation products. This role will focus on developing and scaling our AI Agent platform, which powers advanced conversational experiences across voice, chat, and business workflow automation.Our AI Agent solution...

Who we areAt Frontiers, our purpose is simple yet ambitious: to make science open. We believe open science empowers the global scientific community to accelerate discovery and develop the solutions needed for healthy lives on a healthy planet.We are one of the world’s largest and most influential open-access research publishers. Every article we publish is...

Box is seeking a Software Engineer for the Automate team in Warsaw. You will design and implement full-stack features using Java backend and React/TypeScript frontend to power the workflow automation platform.You will collaborate with product, design, and infra teams to deliver scalable, high-performance systems. The role requires 3+ years of experience,...

Britenet in Warsaw is seeking an experienced Java Developer to join a team delivering highly complex solutions. You will design and implement scalable Kotlin-based features and distributed components, with ownership of quality, observability, and technical debt.The role involves integrating AI capabilities with LLMs and agentic frameworks, collaborating...

An international consulting firm in Warsaw is seeking an experienced Java Developer with at least 5 years of expertise. The role involves developing trading fx Options pricing platforms using Agile Scrum methodology. Candidates should have strong Java skills, experience with Oracle DB, and the ability to work collaboratively in a cross-functional team. This...

Nigel Frank International is seeking a Senior Integration Engineer - HR Systems to design, build and operate integrations connecting HR platforms, enterprise apps and third-party SaaS solutions. You will own end-to-end projects from requirements through deployment and production support.You’ll implement secure data exchanges, REST/SOAP integrations, and...

Net2Source (N2S) in Warsaw offers a hybrid role (3 days in office) for a Specialist with 5–7 years experience in Java frameworks to design and develop scalable microservices based applications. The position requires Core Java, multi-threading, data structures, Kafka, Kubernetes, AWS, gRPC and ideally banking domain experience.You will lead development of...

BEC, a financial technology company delivering IT solutions for Danish banks, seeks a Senior Software Engineer (Java) to join the Customer Rating & Analytics team in Warsaw. You will help drive the data tech transformation, build new data products, and evolve an overdraft management solution.The role is co-located with the team in Roskilde and Warsaw, with...

Addepar, a global data and AI platform, is seeking a Senior Software Engineer in Warsaw to build and maintain systems that authenticate users and enable self-service configuration. You will work on the identity platform across login, MFA, and admin tools used by client teams and end-clients.Collaborate with product, design, and engineering to ensure...

Location: Warszawa, PL, 00-841Team: TechnologyContract Type: EmployeeAbout the job:Massive Scale: Design, build, and optimize systems that handle a huge distributed scale of ~120 million offer events daily. You will be working on one of the largest services at Allegro.Applied AI & Machine Learning: Move beyond simple chatbots. You will work with real AI use...

Massive Scale: Design, build, and optimize systems that handle a huge distributed scale of ~120 million offer events daily. You will be working on one of the largest services at Allegro.Applied AI & Machine Learning: Move beyond simple chatbots. You will work with real AI use cases, integrating ML models and AI agents to analyze images (e.g., detecting...

b2bnetwork in Warszawa is seeking a Senior Java Developer (Kafka) to join a Fraud Management domain in a Scrum team. You will design, build and maintain near real-time data pipelines, interact with product owners, and ensure well-documented, maintainable solutions.Strong Java, Spring Boot, Kafka, SQL/Oracle, and NoSQL experience required; prior microservices...