31 it engineer jobs in Sofia

At Crypto.com, our dedication to user security is led by our highly experienced Security Team. Comprising an international roster of seasoned cybersecurity experts, our team leads the company's Security, Privacy, and Security Compliance endeavors. The team includes holders of international patents for technologies integrated in our security architecture. Under the stewardship of a distinguished CISO recognized by the Forbes Technology Council and among the Global Top 100 CISOs, our team has consistently championed industry standards, acquiring certifications like ISO27001, ISO27701, ISO22301, PCI:DSS 3.2.1 (Level 1), NIST Tier 4, and SOC 2 Type II, in addition to the MPI License from Singapore MAS. Our Chief Information Security Officer reports directly to the CEO, underscoring the prioritization of security in our organization's hierarchy. Our Security Team not only places great emphasis on credentials and expertise but also deeply values hands-on experience, rapid...

Company Description Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries. Job Description We are looking for a Software Engineer to join our development team and contribute to the development of scalable backend and frontend services. You will support core platform functionality across team-owned services, working with technologies including Python, Java, and React . You will help build reliable APIs, reusable components, service integrations, and user-facing features while contributing to CI/CD practices, code quality, system stability, and continuous improvement. You will report to Senior Software Team Manager. What You'll Do Develop...

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 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years. What You’ll Do Design and deploy dynamically scalable, self-healing infrastructure and applications in public and private cloud environments. Striving to constantly improve and automate the infrastructure design in order to achieve better resilience and scalability. Use IaaS automation tools like Terraform, AWS CloudFormation and Ansible. Migrate environments from on-premise infrastructure to AWS/GCP environments. Evaluate application and infrastructure KPIs and proactively mitigate bottlenecks and possible issues. Design zero-downtime infrastructures. Continuous performance improvement and...

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talented team. Responsibilities: Design, implement, and maintain automation rules, workflows, and routing logic to improve first response times, reduce manual ticket handling, and maintain CSAT above established benchmarks Conduct regular audits of existing automations to identify bottlenecks, false positives, ticket leakage, and incorrect routing Improve automation performance to increase agent efficiency and ensure tickets are handled accurately Develop rules based and dynamic routing to assign tickets according to language, product expertise, client tier, ticket content, client attributes, and real time agent capacity Configure and maintain Zendesk ticket...

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. Over the past few years, our client base has grown 20 times to over 6 million, and client assets have grown over 50 times to over €40 billion. What You'll Do Design and deploy dynamically scalable, self-healing infrastructure and applications in public and private cloud environments. Use IaaS automation tools like Terraform, AWS CloudFormation and Ansible. Migrate environments from on-premise infrastructure to AWS/GCP environments. Handling operational and security alerts and incidents. Improving infrastructure, application and security monitoring systems. Continuous performance improvement and troubleshooting of critical components. Learn from your colleagues and share your knowledge with them. We have to grow as the company grows, and mutual, honest...

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...

Join the best bank to work for in Bulgaria* Who we are: Do you want to join a well-established bank with a start-up culture? No, we’re not joking! We, at tbi, have been one of the most profitable banks for years and we are growing at a fast pace. We’re a bank with a long history of success that operates as a start-up, always on the lookout for new opportunities to grow our business. How do we do that? It’s all about our people - brave , passionate and caring people who don’t just want to follow the same path, but to transform tbi into a mobile-first, state-of-the-art lifestyle ecosystem. Our colleagues love working here - 70% of them would recommend tbi as an employer to their friends and family. Do you want to play a key role in our unique success story? We are looking for a strong, hands-on DevSecOps / Application Security Engineer to join our Information Security team. In this role you will embed security across the software...

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...

We are a leading trading platform that is expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talent team. We are currently growing our Backend Team and looking for great Engineers with an interest in trading to join us! Our Engineering team plays a pivotal role in ensuring the robustness, speed, and security of our product. Dedicated to enhancing performance, providing a best-in-class user experience, ensuring compliance, and safeguarding data, the team's efforts directly impact our ability to offer clients a seamless and secure trading journey. We believe great engineering talent not only delivers excellent code, but also lives our values. We are looking for someone who is eager to go fast , willing to innovate and grow , who knows how to listen, respect and...

Company Description Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries. Job Description Our Experian Software Solution's Analytics Services Team supports advanced analytic and generative AI products for decisioning, analytics, fraud, and identity globally. As a Machine Learning Engineer , you will design, build, and deploy cutting‑edge machine learning and generative AI solutions at scale. You will combine deep data science expertise with ML engineering and data engineering capabilities to deliver production‑ready models, prototypes, and platform capabilities. You will also partner with cross‑functional teams to support new global product...

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 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years. What You’ll Do Own the quality assurance tasks for multiple projects, ensuring that the software meets the highest standards of quality and reliability Actively participate in design and requirements reviews to ensure testability and usability of features and products Lead testing efforts, including developing and maintaining automation frameworks and scripts Plan, implement and execute testing tasks in different product areas - DB, integration, functional, UI/UX Analyse test results to identify areas for improvement and recommend process changes as needed Provide technical and process...

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...

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 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years. What You’ll Do Design and deploy dynamically scalable, self-healing infrastructure and applications in public and private cloud environments. Striving to constantly improve and automate the infrastructure design in order to achieve better resilience and scalability. Use IaaS automation tools like Terraform, AWS CloudFormation and Ansible. Migrate environments from on-premise infrastructure to AWS/GCP environments. Evaluate application and infrastructure KPIs and proactively mitigate bottlenecks and possible issues. Design zero-downtime infrastructures. Continuous performance improvement and...

Devexperts works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. The company focuses on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services. Job Description We are looking for a Java Web Developer to join a team of Web Development department. Our current project is creating a software product that can truly compete in the global market! We expect the Java Web Developer: Develop new and improve the existing functionality of our rich internet applications, Develop server side logic and develop client-server APIs (REST, WebSocket), Analyze and improve performance on both server and client side, Work on improving development process and developer experience, Work on improving observability and traceability of our components, Communicate with designers, developers, business analysts and...

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talented team. Our Engineering team plays a pivotal role in ensuring the robustness, speed, and security of our Product. Dedicated to enhancing performance, providing a best-in-class user experience, ensuring compliance, and safeguarding data, the team’s efforts directly impact our ability to offer clients a seamless and secure trading journey. We are seeking a skilled Frontend Software Engineer whose ambitions match ours: to skyrocket technical skills to architect-level mastery. At capital.com, you’ll have the unique opportunity to grow your technological understanding and expertise, focusing on areas that make us industry leaders: performance, launch...

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...

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 4.5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years. What You’ll Do Take task ownership in quality aspect and be responsible for work estimates, execution and task closure initiatives Actively participate in design and requirements reviews to ensure testability and usability of features and products Design and develop manual and automated test cases to ensure the quality and reliability of our software products Plan, implement and execute testing tasks in different product areas - DB, integration, functional, UI/UX Analyse test results to identify areas for improvement and recommend process changes as needed Ensure that all testing activities...

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. Over the past few years, our client base has grown 20 times to over 6 million, and client assets have grown over 50 times to over €40 billion. What You'll Do Design and deploy dynamically scalable, self-healing infrastructure and applications in public and private cloud environments. Use IaaS automation tools like Terraform, AWS CloudFormation and Ansible. Migrate environments from on-premise infrastructure to AWS/GCP environments. Handling operational and security alerts and incidents. Improving infrastructure, application and security monitoring systems. Continuous performance improvement and troubleshooting of critical components. Learn from your colleagues and share your knowledge with them. We have to grow as the company grows, and mutual, honest...