Full Stack Developer (AI-Focused) at HedgeServ · Sofia

HS Financial Technologies (HSFT) is a global technology and fund administration partner to alternative asset managers, supporting more than $1 trillion in assets under administration. We serve private equity, private credit, hedge funds, endowments, and others with integrated technology, specialized expertise, and scalable operations.

Our proprietary platform connects data, workflows, and operations across the investment lifecycle, delivering the automation, transparency, and insights clients need to operate efficiently and grow with confidence. Combined with deep expertise across fund accounting, middle office, investor services, regulatory reporting, tax, risk, and front-office solutions, we help clients navigate complexity at scale.

More than 2,400 professionals across 14 global offices deliver the expertise, responsiveness, and consistency that have made HSFT a trusted partner to alternative asset managers worldwide.

At HSFT, we are committed to helping employees build meaningful, long-term careers through structured development programs, leadership opportunities, and clear paths for growth. Guided by our core values of Relationships, Support, Innovation, and Expertise, we foster a collaborative environment where people are empowered to learn, contribute, and succeed.

We offer flexible working arrangements, comprehensive health and well-being benefits, and a culture that invests in our people because they are the foundation of our success.

Founded in 2008 as HedgeServ, HSFT is recognized as a leading provider of alternative asset services, earning industry recognition across technology, accounting, client service, investor services, and regulatory expertise.

Department Overview

The AI Engineering team develops secure, reliable, and reusable artificial intelligence capabilities for HS Financial Technologies' business and technology platforms. The team works across application development, cloud engineering, automation, integration, security, data, and operational teams to move AI solutions from experimentation into controlled production use.

Our focus is on building enterprise AI systems that integrate with existing workflows, data, and platforms rather than operating as isolated tools. We emphasize measurable business outcomes, production engineering discipline, responsible AI practices, strong security controls, human oversight, and evidence-based evaluation.

About the Role

We are seeking an AI-focused Full Stack Developer to design and build end-to-end applications that use generative AI models and agentic architectures to solve real-world business challenges across multiple domains.

The successful candidate has experience building, deploying, and supporting production applications and can balance hands-on development with high-level design decisions. This role offers the opportunity to apply technical expertise to deliver meaningful business outcomes while continuing to grow professionally.

Key Responsibilities

• Design AI-powered workflows and efficient data models that address real business challenges.
• Integrate third-party APIs and services to embed AI capabilities into existing business applications.
• Identify and implement innovative uses of AI that reduce friction across business processes.
• Partner closely with product owners and end users to translate insights quickly into product improvements.
• Collaborate with colleagues across engineering teams.
• Improve the reliability, observability, scalability, and performance of the systems and workflows you build.
• Develop and maintain code that meets established quality, testing, and development standards.
• Develop both frontend and backend features.

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent relevant experience.
• At least four years of experience building and delivering production applications.
• Strong software engineering fundamentals, including design patterns, programming concepts, and application architecture.
• Deep understanding of the software development lifecycle, including frequent and regular production deployments.
• Proficiency in Python or TypeScript.
• Experience with frontend JavaScript frameworks, particularly Angular.
• Working knowledge of relational and non-relational databases, including experience handling large datasets.
• Experience writing tests (unit, integration, and acceptance testing).
• Experience working in a Scrum or Agile environment, using tools such as Jira and Git, and working with CI/CD pipelines.

Preferred Experience

• Experience with microservices architectures and containerization technologies such as Docker and Kubernetes.
• Familiarity with session and cache management.
• Experience with cloud technologies, preferably AWS.
• Knowledge of authentication and authorization standards, including OAuth and JWT.
• Familiarity with Model Context Protocol (MCP), Agent-to-Agent (A2A), and Agent Communication Protocol (ACP).

Benefits

• Attractive compensation package including extensive set of benefits, such as platinum health insurance, sport membership, food vouchers, employee assistance program, etc.
• 25 vacation days per year.
• Additional vacation days with 1 added for every year in the company (up to 3 additional days).
• Flexibility in working hours and locations (WFH available).
• Professional environment with great development opportunities.
• Тuition reimbursement program (personal budget up to 1000 EUR).
• Enjoy a start-up like environment on the back of a well-established and profitable company.
• Work in a culture that rewards results.
• Be free to make many of your own decisions.

Equal Opportunity

HS Financial Technologies is an equal opportunity employer. Employment decisions, including recruitment, hiring, development, promotion, compensation, and rewards, are based on business needs, job requirements, qualifications, performance, skills, experience, and abilities. We are committed to providing a workplace where employees and applicants are treated fairly, consistently, and with dignity and respect, without discrimination on any characteristic protected by applicable law. We encourage applications from candidates of all backgrounds and experiences.