12 Python Engineer AI jobs in Sofia

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...

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...

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 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...

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...

What’s in it for you? You’ll join a highly collaborative environment where innovation, ownership, and continuous learning are at the core of how we work. At MetLife, you’ll be empowered to deepen your expertise while contributing to the evolution of modern production management practices, including DevOps, automation, and AI-driven solutions. This role offers the opportunity to make a tangible impact—enhancing the resilience, performance, and security of critical platforms that support our business. Position objective: The Production Management Engineer (PME) ensures the reliability, performance, and stability of critical production platforms by combining production support with modern DevOps, observability, and automation practices. The role focuses on transitioning from reactive incident handling to proactive reliability improvement , leveraging monitoring, automation, and AI-enabled tools. In addition, the PME supports day-to-day operations and requires a solid...

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...

Our mission is to enable everyone to build wealth 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 €40 billion in assets under management, a testament to the scale and trust we've built in just a few years. The Role We are looking for a 3D artist to own the production of Trading 212's 3D brand world behind our 2026 visual identity. You will model, texture, and optimize animation-ready assets from approved concepts, storyboards, and banner briefs, working closely with our design and motion teams. This is a production role. You are the person who turns creative direction into finished, on-brand 3D. The 3D brand system is new, so you will help define how it is built and shipped, not inherit a fixed pipeline. You will own the 3D craft for a brand...