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Senior Backend Engineer at abra

Wheaton, Illinois, United States -

Full Time

Start Date

Immediate

Expiry Date

22 Aug, 26

Salary

0.0

Posted On

24 May, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Backend Engineering, API Design, Distributed Systems, Python, TypeScript, Go, Rust, Event-Driven Architecture, SDK Development, gRPC, REST, Real-time Data Flows, MCP APIs, LangChain, PydanticAI, Infrastructure Tooling

Industry

Internet Marketplace Platforms

Description

abra R&D is looking for a Senior Backend Engineer! abra R&D is looking for a Senior Backend Engineer to help build the next‑generation Database built from scratch for AI Agents. This role focuses on building the developer-facing platform around the core database engine- enabling seamless integration with AI agent frameworks (LangChain, PydanticAI, and others), as well as external systems via connectors, plugins, and SDKs. What You’ll Do Design and build MCP APIs and core backend services Develop and maintain SDKs (Python, TypeScript, Go, Rust) Build connectors and plugins for AI agent platforms (LangChain, PydanticAI, others) Design clean, scalable, and ergonomic developer-facing APIs Own integration infrastructure (auth, streaming, event pipelines, webhooks) Build and optimize real-time data flows between agents, services, and the database Collaborate closely with database engineers to expose powerful capabilities through well-designed APIs Ensure reliability, observability, and performance of all external-facing systems Requirements 5+ years of experience in backend engineering Strong proficiency in at least one of: Python, TypeScript, Go, or Rust Experience designing and building production-grade APIs Strong understanding of distributed systems and service architecture Experience with event-driven systems, streaming, or real-time architectures Solid understanding of API design best practices (REST/gRPC, versioning, developer experience) Strong Plus Experience building developer platforms or public SDKs Familiarity with AI/LLM ecosystems (LangChain, agents, tool calling) Experience with plugin architectures or extensibility frameworks Background in data platforms, databases, or infrastructure tooling Experience with async systems, concurrency, and high-throughput services

Responsibilities

Design and build the developer-facing platform and MCP APIs for a next-generation AI agent database. Develop SDKs, connectors, and integration infrastructure to enable seamless connectivity between AI frameworks and the core engine.