Senior Product Manager

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Product Manager - API in Bulgaria. This role is focused on leading the strategy, development, and management of core API products that serve developers and institutional clients globally. The Senior Product Manager - API will define the product roadmap, set standards for API design and security, and ensure an exceptional developer experience. You will collaborate closely with engineering, security, marketing, and business teams to build scalable, reliable, and well-documented APIs. The role requires deep technical understanding, a data-driven mindset, and the ability to translate complex requirements into actionable product plans. Your work will directly impact developer adoption, API usage, and the broader ecosystem of financial applications built on these APIs. This position offers the opportunity to influence key technical decisions while shaping the API strategy in a fast-growing, remote-first environment. AccountabilitiesDefine and own the vision, strategy, and roadmap for core API products, including authentication, error handling, rate limiting, and versioning policies Serve as the primary reviewer for API design and changes, ensuring adherence to quality, performance, and usability standards Collaborate with engineering teams to design and launch scalable, reliable APIs, participating in technical discussions and architecture decisions Produce detailed product requirement documents (PRDs), user stories, and API specifications (OpenAPI, AsyncAPI) for clarity across teams Partner with marketing and developer relations teams to drive adoption, engagement, and successful go-to-market strategies Monitor and analyze key metrics and service-level objectives (SLOs) to inform roadmap decisions and product improvements Act as the primary advocate for developers and institutional clients, ensuring their needs are reflected in API features and enhancementsRequirements5+ years of product management experience, with strong focus on API products or developer platforms Deep understanding of RESTful API design, authentication/authorization methods (OAuth, API keys), and asynchronous API flows Experience writing clear API documentation and working with OpenAPI/AsyncAPI specifications Proven ability to collaborate with engineering teams on architecture and product design Strong analytical skills and experience using data to inform product decisions Excellent communication and interpersonal skills, capable of influencing cross-functional teams Familiarity with agile development methodologies Passion for financial markets and creating products that empower developers and democratize financial services Nice-to-have: background in engineering, experience in fintech/brokerage, familiarity with gRPC/WebSockets, remote-first work experience, and knowledge of trading workflowsBenefitsCompetitive salary and stock options Comprehensive health benefits Home-office setup allowance and monthly remote work stipend Opportunity to shape high-impact API products used by businesses worldwide Flexible, remote-first work environment with global team collaboration Inclusive and diverse company culture that fosters innovation and continuous learningWhy Apply Through Jobgether? We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best Data Privacy Notice By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #J-18808-Ljbffr