Senior Software Engineer (MLAI services)

Reposted 14 Days Ago
Be an Early Applicant
Hiring Remotely in Sofia, Sofia-grad, BGR
Remote
5-100 Annually
Senior level
Cloud • Enterprise Web • Information Technology • Productivity • Software
Workato helps companies integrate anything and automate everything.
The Role
The Senior Software Engineer will design and develop AI-powered services, optimize systems, code in Python, and mentor other engineers. Responsibilities include building APIs, implementing retrieval systems, and ensuring system reliability.
Summary Generated by Built In
About Workato

Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit www.workato.com

Why join us?

Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles. We are driven by innovation and looking for team players who want to actively build our company. 

But, we also believe in balancing productivity with self-care. That’s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives. 

If this sounds right up your alley, please submit an application. We look forward to getting to know you!

Also, feel free to check out why:

  • Business Insider named us an “enterprise startup to bet your career on”

  • Forbes’ Cloud 100 recognized us as one of the top 100 private cloud companies in the world

  • Deloitte Tech Fast 500 ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America

  • Quartz ranked us the #1 best company for remote workers

Responsibilities

We are looking for a Senior Python Engineer to play a key role in building the core of our AI platform. In this position, you will design and develop production-grade systems that power intelligent automation, agentic workflows, and large-scale retrieval services. This is a highly technical, hands-on role that involves close collaboration with product and platform teams to transform advanced AI concepts into reliable, scalable, and secure solutions used across our enterprise ecosystem. You will also be responsible to:

  • Design, build, and maintain AI-powered services and APIs, leveraging LLMs (OpenAI, Anthropic, Qwen, OSS models) and custom ML models.

  • Develop an enterprise-grade agentic framework that enables orchestration, retrieval, and collaboration between multiple AI agents.

  • Implement and optimize knowledge retrieval systems and agentic search capabilities using vector databases such as Qdrant and ElasticSearch.

  • Write well-structured, efficient, and testable Python code for production services, experimentation, and internal developer tools.

  • Build and maintain shared Python libraries and SDKs used across multiple applications and microservices.

  • Collaborate with cross-functional teams on architecture, internal protocols, and API standards to ensure consistency and reliability across the platform.

  • Develop and enhance monitoring, validation, and observability for production-grade AI solutions.

  • Drive the full software development lifecycle - from design and implementation to deployment, monitoring, and continuous improvement.

  • Identify and resolve performance bottlenecks, reliability issues, and scaling challenges in complex, data-intensive environments.

  • Participate in code reviews and technical discussions, mentoring other engineers and contributing to a culture of excellence.

Example Projects
  • Building an evaluation and observability framework for AI model performance and reliability.

  • Developing an agentic orchestration platform that enables collaboration among multiple AI agents and tools.

  • Implementing semantic retrieval and agentic search capabilities over large enterprise knowledge bases.

  • Designing AI services that process and reason over high-volume real-world data at scale.

Requirements

Qualifications / Experience / Technical Skills

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

  • 5+ years of experience as a Software Engineer, with strong proficiency in Python.

  • Proven track record of building and maintaining production-grade systems using Python.

  • Strong understanding of distributed systems, API design, and data-driven architectures.

  • Experience with relational and non-relational databases (PostgreSQL, Elastic, Qdrant, or similar).

  • Familiarity with AI/ML system design, including LLM integration and evaluation pipelines.

  • Knowledge of DevOps and observability practices (CI/CD, monitoring, metrics, and model validation).

  • Python • FastAPI • LLM APIs (OpenAI, Anthropic, Qwen, OSS) • LiteLLM • Qdrant • PostgreSQL • ElasticSearch • Langfuse • Kubernetes • GitHub Actions • ArgoCD
Preferred Skills
  • Experience working with multiple LLM providers (OpenAI, Anthropic, Qwen, open-source models).

  • Background in developer platforms or AI infrastructure services.

  • Familiarity with vector databases, semantic retrieval, and knowledge graph architectures.

  • Exposure to Langfuse, LiteLLM, LangChain, or similar frameworks.

  • Experience developing enterprise-scale SaaS or distributed backend systems.

  • Contributions to open-source projects in Python, AI, or infrastructure engineering.

Soft Skills / Personal Characteristics
  • Excellent communication skills, with the ability to convey complex technical ideas clearly to both technical and non-technical audiences.

  • Collaborative and proactive approach, comfortable working across teams in a dynamic environment.

  • Strong analytical and problem-solving abilities, with a focus on continuous improvement and innovation.

  • Curiosity and a genuine interest in emerging AI technologies and modern backend architectures.


(REQ ID: 2459)

Skills Required

  • Bachelor's or Master's degree in Computer Science, Engineering, or related field
  • 5+ years of experience as a Software Engineer
  • Strong proficiency in Python
  • Proven track record of building production-grade systems using Python
  • Strong understanding of distributed systems and API design
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The Company
HQ: Mountain View, CA
650 Employees
Year Founded: 2013

What We Do

The leader in enterprise automation, Workato helps organizations work faster and smarter without compromising security and governance. Built for Business and IT users, Workato is trusted by over 7,000 of the world's top brands like Gitlab, Toast, Broadcom, Intuit, Autodesk, and HubSpot. Leaders use Workato to automate key processes like Order to Cash, Speed to Lead, HR Onboarding and Offboarding and more.

Why Work With Us

Here at Workato, we are a team moved by innovation — a passion to create the best possible way and the drive to continue to make it better. We also believe in the power of our team, knowing that we only succeed if we all succeed together. Our team uses seven operating principles to help us make better decisions, work as a team, and have fun.

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