java backend developer

**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...

Our client is a global payment services provider and an eCommerce platform used by over 30,000 global websites. Founded in 1998, the company has grown into a globally recognized and trusted brand that processes over a billion dollars in transactions annually.They are looking for Java Engineers to join their teams in Belgrade and Novi Sad.Key...

Company DescriptionCompany Description Sixsentix ranks among the fastest-growing companies in Europe, among the top 3 fast-growing companies in Switzerland. It was recognized as one of the top small businesses in Serbia and is among the top 50 global most valuable brands! With offices in Zurich, Vienna, Warsaw, Frankfurt, Belgrade, Novi Sad and a strong...

The QA Automation Engineer is responsible for the improvement of the quality of our internally developed software systems. This engineer owns all testing activities, test automation frameworks, writes automated and manual tests, participates in deployment duties on behalf of Billing team, and can work on the research, design, and implementation of software...

About Us Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract.  As a company, we constantly challenge what’s possible, never simply accepting what has always been done. We reframe old problems, seek new...

We are looking for a Middle / Mid-Senior Frontend-focused Full-Stack Software Development Engineer to join a team supporting critical source control and documentation services used by internal engineering teams and external enterprise customers. The role is approximately 80% frontend work and 20% backend plus SQL work, with a focus on React/TypeScript UI...

ABOUT TIDE At Tide, we help SMEs save time and money in the running of their businesses by not only offering business accounts and related banking services, but also a comprehensive set of highly usable and connected administrative solutions, from invoicing to accounting. Tide is transforming the small business banking market and now supports over 2 million...

Description​Job Overview:We are looking for an experienced SSO / Identity Management Specialist to support the implementation of enterprise Single Sign-On capabilities, with an initial focus on Microsoft Entra ID integration.The ideal candidate has strong backend API development experience, especially with Python, FastAPI, and ideally GraphQL, combined...

Do you want to be part of the team behind the leading convertible bonds technology, data, and services? Founded in 2010, Leversys provides trading and risk management systems, data products, and related services to leading global investment banks and many of the world’s top 50 hedge funds. The company is a dynamic, small, flat-structured organization...

Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. What streaming services have done for audio entertainment, we’re...

About the job First Line Software works with some of the world's top businesses and organizations in industries like healthcare, data engineering, warehouse automation, retail digitalization, mobile app development, and e-commerce. Our projects are as varied as our people, and our people are as talented as they come. We prefer working as a transparent and...

Orion Innovation is a premier, award-winning, global business and technology services firm.  Orion delivers game-changing business transformation and product development rooted in digital strategy, experience design, and engineering, with a unique combination of agility, scale, and maturity.  We work with a wide range of clients across many industries...

HYPR, the Identity Assurance Company, helps organizations create trust in the identity lifecycle.  We are a community of bold thinkers and energetic doers who imagined a brand new approach to identity security and, at the same time, are eliminating a pervasive and persistent 60-year old problem – the password. Since being founded in 2014, the company has...

Join Perplexity AI as a Search Golang Engineer and help architect the next generation of massively scalable, AI-powered search infrastructure. In this role, you’ll leverage Golang to design, implement, and operate backend systems that handle millions of queries with uncompromising reliability and efficiency. Responsibilities:Build highly scalable,...

ABOUT TIDE At Tide, we help SMEs save time and money in the running of their businesses by not only offering business accounts and related banking services, but also a comprehensive set of highly usable and connected administrative solutions, from invoicing to accounting. Tide is transforming the small business banking market and now supports over 2 million...

Project Description: Our client, a large international commodity trading company, is expanding its internal software development team and is looking for Full Stack Engineer to join our Identity Management Engineering team and contribute to the implementation and enhancement of our enterprise Identity and Access Management (IAM) solution. The successful...

Location: Belgrade / Novi Sad Work Arrangement: Hybrid – minimum 2 days per week office attendance required About Daon Daon is a global leader in the defence against digital identity fraud and AI-generated synthetic identities. For over a quarter of a century, we have partnered with governments and leading enterprises to deliver secure, seamless...

AI Engineer / Machine Learning EngineerRole OverviewWe are seeking a highly skilled AI Engineer / Machine Learning Engineer with deep expertise in building, optimizing, and deploying advanced AI systems. The ideal candidate has strong experience with LLM-based architectures, vector databases, distributed AI agents, and end-to-end machine learning lifecycle...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products...