8 Full Stack Developer jobs in Sofia

We’re looking for a Full-Stack Engineer to help enhance our Cloud Cost Control (CCC) platform by building end-to-end backend and frontend solutions and delivering new features at scale. You’ll develop RESTful APIs and data integrations (e.g., PostgreSQL/Databricks), strengthen performance and security, and drive reliable delivery through CI/CD, Infrastructure as Code, and production observability.   Key Responsibilities: Design, build, and support full stack solutions for backend and frontend applications Develop and maintain RESTful APIs, ensuring seamless integration with databases like PostgreSQL and Databricks Enhance the Cloud Cost Control (CCC) platform for modularity, scalability, and feature improvements Improve application performance, security, reliability, and automate deployments through DevOps practices Manage CI/CD pipelines, define Infrastructure as Code, and set up monitoring and observability for production systems...

We’re looking for a Full-Stack Engineer to help enhance our Cloud Cost Control (CCC) platform by building end-to-end backend and frontend solutions and delivering new features at scale. You’ll develop RESTful APIs and data integrations (e.g., PostgreSQL/Databricks), strengthen performance and security, and drive reliable delivery through CI/CD, Infrastructure as Code, and production observability.   Key Responsibilities: Design, build, and support full stack solutions for backend and frontend applications Develop and maintain RESTful APIs, ensuring seamless integration with databases like PostgreSQL and Databricks Enhance the Cloud Cost Control (CCC) platform for modularity, scalability, and feature improvements Improve application performance, security, reliability, and automate deployments through DevOps practices Manage CI/CD pipelines, define Infrastructure as Code, and set up monitoring and observability for production systems...

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 6 million clients, with more than €38 billion in assets under management, a testament to the scale and trust we’ve built in just a few years. Our platform is powered by a modern, high-performance engineering stack designed for scale and reliability: Java 21 (Spring), Go, Node.js (TypeScript), PostgreSQL, MariaDB, Redis, Kafka, ClickHouse, Elasticsearch, Docker, Grafana, AWS, k8s, Kibana. We offer remote or hybrid working, depending on role, with flexibility balanced against team performance and collaboration needs. We also provide an attractive benefits package, which may vary depending on your location. Full details will be shared during the initial screening, and we encourage you to come prepared with any questions. What You’ll Do...

emerchantpay is a leading global payment service provider and acquirer for online, mobile, in-store and over the phone payments. Our global payments solution is available through a simple integration, offering a diverse range of features, including global acquiring, global and local payment methods, advanced fraud management and performance optimisation. We empower businesses to design seamless and engaging payment experiences for their consumers. We are looking for a Senior AI Engineer to join our AI Engineering team and help design, build, and roll out production-grade AI solutions, with a strong focus on AI engineering, AI agents, agentic workflows, machine learning, GenAI, and LLM-based applications . This is a senior individual contributor role within the AI Engineering team. The Senior AI Engineer will work closely with the AI Tech Lead , engineering teams, product stakeholders, data teams, cloud/platform teams, and security teams to deliver reliable AI capabilities...

Why us? Insurify is one of the America's fastest-growing MIT FinTech startups and has been recognized as one of Inc. 5,000's fastest-growing private companies in America in 2025, 2024, 2023, 2022 and 2021, Forbes Fintech 50 List for 2023, 2022, and 2021, Forbes Next Billion Dollar Startups of 2022 global and Top 100 InsurTech company. We're changing the way millions of people compare, buy and manage insurance with artificial intelligence, technology, and superior product design. Our company vision is to be recognized as the preeminent and most trusted digital agent for insurance comparison, purchase, and management. Our team is critical to achieving our vision and fostering the right culture is essential to our team's success. How you'll make an impact Work and grow in a goal-focused, impact-driven full-stack data science team Partner closely with Marketing to build more sophisticated bidding and targeting across Paid Search, Retargeting, and Email Develop models and...

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 6 million clients, with more than €38 billion in assets under management, a testament to the scale and trust we’ve built in just a few years. Our platform is powered by a modern, high-performance engineering stack designed for scale and reliability: Java 21 (Spring), Go, Node.js (TypeScript), PostgreSQL, MariaDB, Redis, Kafka, ClickHouse, Elasticsearch, Docker, Grafana, AWS, k8s, Kibana . We offer remote or hybrid working, depending on role, with flexibility balanced against team performance and collaboration needs. We also provide an attractive benefits package, which may vary depending on your location. Full details will be shared during the initial screening, and we encourage you to come prepared with any questions. What You’ll Do...

About Playtech Founded in 1999, the company has a premium listing on the Main Market of the London Stock Exchange and is focused on regulated and regulating markets across its B2B businesses. By leveraging its proprietary technology, Playtech delivers innovative products and services to ensure a safe, engaging, and entertaining gaming experience. As the gaming industry's leading technology company, it combines business intelligence-driven software, services, content, and platform technology to drive excellence and innovation across the sector. Read more about who we are and what we do here: www.playtechpeople.com and www.playtech.com Here at Playtech, we genuinely believe that people are our biggest asset. Diverse thoughts, experiences, and individual characteristics enrich our work environment and lead to better business decisions. Embracing differences and maintaining transparency in our processes is the core of Playtech's overall commitment to responsible business...

emerchantpay is a leading global payment service provider and acquirer for online, mobile, in-store and over the phone payments. Our global payments solution is available through a simple integration, offering a diverse range of features, including global acquiring, global and local payment methods, advanced fraud management and performance optimisation. We empower businesses to design seamless and engaging payment experiences for their consumers. We are looking for a Senior AI Engineer to join our AI Engineering team and help design, build, and roll out production-grade AI solutions, with a strong focus on AI engineering, AI agents, agentic workflows, machine learning, GenAI, and LLM-based applications . This is a senior individual contributor role within the AI Engineering team. The Senior AI Engineer will work closely with the AI Tech Lead , engineering teams, product stakeholders, data teams, cloud/platform teams, and security teams to deliver reliable AI capabilities...