java web developer

About NCR AtleosNCR Atleos, headquartered in Atlanta, is a leader in expanding financial access. Our dedicated 20,000 employees optimize the branch, improve operational efficiency and maximize self-service availability for financial institutions and retailers across the globe. NCR Atleos was ranked #12 in Newsweek’s prestigious 2025 Top 100 Global Most...

Deploy and configure Temporal/Camunda or similar Workflow Engine on Kubernetes (self-hosted, production-grade).Design and implement SIM Activation workflow: activities for HSS, OCS, PCRF, Inventory update.Implement SIM Deactivation workflow with compensation and rollback logic.Implement Plan Change workflow (OCS quota update + PCRF policy change).Design...

DescriptionInfatica.io is a global provider of proxy and DaaS solutions. We're building our own high-load web scraping platform: an API where you can submit any URL and receive clean HTML or structured JSON output, without worrying about proxies, CAPTCHAs, or anti-bot systems.The platform will support both cloud deployment and on-premises deployment in...

Our client is a company that specializes in designing and developing mission-critical healthcare information system solutions for different health organizations worldwide. The company is continuously investing in the development of its software solutions to shape the healthcare of tomorrow using reliable, secured and scalable technology.They are...

Sperasoft is a leading game co-development company headquartered in the heart of Silicon Valley. We work closely with our partners to deliver high-quality titles for world-class publishers. Sperasoft is a part of Keywords studios – international technical and creative services provider to the global video games industry and beyond. Game Development is our...

As a Senior Java Backend Engineer, you will design, develop, and maintain secure, scalable microservices and APIs supporting complex financial platforms. Working with technologies such as Java, Spring Boot, Kafka, Docker, and Kubernetes, you will collaborate with cross-functional teams to deliver high-quality solutions while leveraging AI-assisted...

**Title:** Freelance Full-Stack Developer (Node.js + React) for Mental Health Web App (MVP) **Project Description:** We are looking for a talented **Mid-level Full-Stack Developer** based in Serbia to help build the MVP version of a web-based psychological assessment application. The app will target a global market (English language) and will allow users...

DescriptionWe are currently looking for an experienced Performance Specialist (m/w/d) to drive our Customer Securities Finance Trading & Collateral technology and services roadmap to the global Securities Finance & Collateral industry. Working closely with the Product Development management to deliver on our mission to deliver future state cloud-native...

At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.​ Join EY and help to build a better working world.   The opportunity  Join EY Technology Consulting Serbia and become part of a growing team of more than 85...

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment. Here’s what you can expect when you join MWDN:Security: We carefully...

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment. Here’s what you can expect when you join MWDN:Security: We carefully...

SMG Swiss Marketplace Group Belgrade, Serbia today Verified Role details Languages English Experience level Senior Job location Belgrade, Serbia Tech stack Job Description Meet the team! Two of our online marketplaces, tutti.ch and anibis.ch are looking for a Senior Backend Engineer to join their team. People first—that’s our thing at SMG....

We are first and foremost a great team full of ambitious and proactive individuals whose goal is to become the best professionals they can be and make Digital Silk a globally renowned digital agency. Our quest for excellence has resulted in our company’s growth and continuous need for outstanding team members. At Digital Silk, we believe in creating an...

Our partner Payoneer Merchant Services is Payoneer’s Munich-based Payment Orchestration Provider (POP) offering an open and provider-independent payment platform to help businesses integrate multiple payment gateways and methods on a global scale. Their platform guarantees online businesses more freedom of choice and reduced complexity in payment...

Job Title: QA Analyst (Automation)Reports to: QA ManagerLocation: Dundalk HQ / HybridRole Purpose and Key Responsibilities:Role Purpose:In this role, you will design, build, maintain, and execute automated test suites to ensure the reliability and performance of our betting and gaming platforms (web & mobile). You will work closely with developers, product...

As a Senior Java Backend Engineer, you will design, develop, and maintain secure, scalable microservices and APIs supporting complex financial platforms. Working with technologies such as Java, Spring Boot, Kafka, Docker, and Kubernetes, you will collaborate with cross-functional teams to deliver high-quality solutions while leveraging AI-assisted...

**Job Description** As a Senior Java Backend Engineer, you will design, develop, and maintain secure, scalable microservices and APIs supporting complex financial platforms. Working with technologies such as Java, Spring Boot, Kafka, Docker, and Kubernetes, you will collaborate with cross-functional teams to deliver high-quality solutions while leveraging...

Global IT Factory is one of the leading providers of software for High Education Curriculum Management. We build systems for top-tier universities across the globe.We have been listed by Gartner® as one of the top 12 words producers of Curriculum Management Systems. Our global business development and delivery teams are in Australia and Serbia. Our...

**Mayflower** is a technology company building highload products used by millions of people worldwide. Operating at the scale of one of the world's top-50 websites, we solve complex engineering challenges and create solutions that power real-time entertainment for a global audience. **Job Responsibilities** - Develop native Android streaming application...

**What you will be doing:​** - Rearchitect performance critical functionality to eliminate bottlenecks and ensure strong ​scalability and performance​ - Drive performance testing​ - Investigate performance related limitations to find both short and long term improvements ​and necessary changes​ - Implementation of future architectural...