Job overview
plan a technologies is looking for a skilled senior backend engineer with google ai experience to lead the integration of generative ai into our core services. You will build high-performance backend systems using java (spring boot) and go, while leveraging google’s vertex ai and gemini 3 models to create intelligent, autonomous features. This role is at the intersection of robust distributed systems and cutting-edge llm implementation.
please note: you must have at least 6+ years of experience with java or go and high proficiency with gemini/vertex/google ai to be considered for this role.
job responsibility
* design and implement agentic workflows using gemini 3, focusing on multi-step reasoning, function calling, and dynamic “thinking” configurations.
* architect and maintain scalable microservices in java and go, ensuring low-latency communication between ai services and core databases.
* build and optimize retrieval-augmented generation (rag) pipelines using vertex ai search and vector databases (e.g., alloydb or bigquery vector search).
* connect foundation models to real-world data and actions using vertex ai extensions and tool-use frameworks.
* develop and version complex prompt templates in vertex ai studio, utilizing structured outputs (json/pojo) to ensure system reliability.
* collaborate on the deployment and monitoring of ai models, focusing on evaluation, grounding, and safety filters.
experience
* bachelor's degree in computer science, information systems, finance, or a related field.
* expert-level proficiency in java (spring boot, langchain4j) or go (go-routines, high-concurrency patterns).
* hands‑on experience with vertex ai api, google ai studio, and the gemini model family.
* proven experience with function calling, semantic search, and managing llm context windows.
* strong command of google cloud platform (gcp), including gke (kubernetes), cloud run, and iam security.
* proficiency with sql (postgresql/alloydb) and nosql, specifically with an emphasis on vector search.
* experience with ci/cd pipelines, docker, and monitoring tools like cloud logging/monitoring.
* strong analytical thinking, problem‑solving abilities, and excellent communication for cross‑functional teamwork.
* excellent verbal and written english communication skills.
* ability to maintain a positive work attitude.
* initiative and drive to do great things.
preferred qualifications
* experience migrating from gemini 2.5 to gemini 3.
* familiarity with langchain4j or similar frameworks for java‑based ai orchestration.
* knowledge of model context protocol (mcp) or building custom ai agents.
* google cloud professional ml engineer or cloud architect certification.
about the company / benefits
plan a technologies is a fast‑growing software engineering and technology advisory company with staff in 40 countries around the world. We deliver top‑tier technology solutions and cio/cto advice to fortune 500 companies, startups and government clients. Our team's expertise covers the full spectrum of technology services: from building custom products, to introducing new ai‑first approaches and agents, to upgrading data architecture, to assessing/modernizing existing infrastructure, to supporting countless critical it initiatives.
read more about us here: www.planatechnologies.com
location: work from home 100% of the time, or come in to one of our global offices. Up to you.
great colleagues and an upbeat work environment: you'll join an excellent team of supportive engineers and project managers who work hard but don't ever compete with each other.
benefits: you’ll get a generous vacation schedule, brand new laptop, and other goodies.
if this sounds like you, we'd love to hear from you!
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