Source Job

Europe

  • Drive the technical architecture across the domain, with a focus on modernization, scalability and AI integration.
  • Lead the design and implementation of microservices and cloud-native systems.
  • Integrate LLMs and other GenAI models into web applications through efficient API design and implementation.

Java GenAI LLMs Docker Kubernetes

20 jobs similar to AI Principal Software Engineer (Java)

Jobs ranked by similarity.

India

  • Build the technical roadmap given a business requirement and own the delivery of the same.
  • Develop and optimize LLM-based solutions : Lead the design, training, fine-tuning, and deployment of large language models, leveraging techniques like prompt engineering, retrieval-augmented generation (RAG), and agent-based architectures.
  • Codebase ownership : Maintain high-quality, efficient code in Python (using frameworks like LangChain/LangGraph) and SQL, focusing on reusable components, scalability, and performance best practices.

Turing, based in San Francisco, is a research accelerator for frontier AI labs, partnering with global enterprises to deploy advanced AI systems. They accelerate research with data, talent, and training pipelines and build proprietary intelligence systems, recognized among the world's top innovators.

US Unlimited PTO 18w maternity 12w paternity

  • Design, build, and operate production-grade AI solutions that support GTM use cases.
  • Lead the technical architecture and implementation of GenAI and ML systems.
  • Integrate AI capabilities into existing GTM platforms and workflows.

Chainguard is the secure foundation for software development and deployment, providing guarded open source software. Founded by industry experts, they've built the largest library of open source software that is secure by default and value customer obsession, intentional action, and trust.

Global

  • Design, develop, and maintain highly available, scalable, and reliable microservices in Java using Spring Boot.
  • Contribute to the modernization and evolution of the client's SaaS platform, leveraging cloud services and emerging AI technologies.
  • Work closely with product, QA, DevOps, and PM teams to deliver new features, maintain system reliability, and improve platform performance.

Miratech is a global IT services and consulting company that brings together enterprise and start-up innovation. They support digital transformation for some of the world's largest enterprises and retain nearly 1000 full-time professionals, experiencing an annual growth rate exceeding 25%.

  • Design and deploy high-performance agentic systems that leverage Fastino’s optimized model architectures.
  • Collaborate with engineering teams to turn novel architectural breakthroughs into scalable solutions for enterprise customers.
  • Drive rapid, iterative prototyping of AI functionalities, refining model performance and task-accuracy based on real-world telemetry.

Fastino is building the next generation of LLMs with a team of alumni from Google Research, Apple, Stanford, and Cambridge and has developed the GLiNER family of open source models. Fastino has raised $25M through seed round and is backed by leading investors including Microsoft, Khosla Ventures, and Insight Partners.

Global 16w maternity

  • Define the technical vision and lead architecture decisions.
  • Design and implement systems for AI agents using Docker containers.
  • Maintain and evolve the open-source cagent project.

Docker makes app development easier, allowing developers to focus on their priorities. They are a remote-first team with over 20 million monthly users and 20 billion image pulls, and its tools are trusted by startups and Fortune 100 companies.

Global

  • Define and evolve the corporate GenAI architecture, ensuring strategic alignment and scalability.
  • Design and implement intelligent agent platforms, including orchestration and multi-agent workflows.
  • Define and standardize communication protocols between agents, adopting the Model Context Protocol (MCP).

Getnet is a global technology company specializing in payment solutions for commerce. As part of PagoNxt, the global fintech of Grupo Santander, we operate as an acquiring hub with a strong presence in Spain, Portugal, Brazil, Mexico, Chile, Argentina, and Uruguay.

Europe

  • Build with AI tools like Claude Code, Cursor, or GitHub Copilot to change how you approach every problem.
  • Work across the full stack contributing where needed, from debugging integrations to designing agent workflows or refining React components.
  • Shape our AI-assisted development practices, evolving context engineering and discovering new ways to leverage AI tools as they rapidly evolve.

RWS is focused on growing the value of ideas, data, and content by ensuring organizations are understood. The Product & Technology team, with over 500 staff, establishes unified standards and governance practices throughout the company, overseeing the development and maintenance of core applications.

US

  • Build and scale the AI Agent platform.
  • Design and implement APIs, services, and infrastructure.
  • Prototype rapidly and continuously improve system performance.

Podium brings AI Employees to local businesses that turn every conversation into revenue. Trusted by 60,000+ businesses, they have crossed $100M in AI Agent ARR, scaling 300% year-over-year and empowering real business outcomes for their customers.

  • Designing and developing the core platform that enables the efficient deployment, scaling, and management of LLMs and multi-agent systems.
  • Building specialized infrastructure to support long-running agentic workflows, including state management, tool-calling interfaces, and complex reasoning loops.
  • Scaling inference for LLMs to handle global demand while optimizing for latency, throughput, and cost.

Clarity AI is a global tech company founded in 2017 with a unique mission: bringing societal impact to markets. They leverage AI and machine learning technologies to provide top international investors, governments, companies, and consumers with the right data, methodologies, and tools to make more informed decisions. They are now a team of more than 300 highly passionate and curious individuals from all over the world.

US

  • Architect, design, and develop proof-of-concepts and early-stage production systems leveraging LLMs, agentic workflows, vector databases, and emerging AI technologies.
  • Build integrations with platforms such as Microsoft Copilot, ChatGPT, and other leading models using APIs, SDKs, and custom toolchains.
  • Create advanced prompts, system instructions, tools, and agent architectures to elevate automation, reasoning, and decision-making across business processes.

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. They have grown from start-up to industry leader by innovating, simplifying, and valuing people and are a subsidiary of PROG Holdings. Prog Tech embodies the modernity and transformational vision that is core to their business evolution.

US

  • Build the Agentic Backbone: Architect and implement the backend services that power multi-agent workflows.
  • Orchestration & Workflow Automation: Design scalable workflow engines and "human-in-the-loop" systems.
  • Bridge AI & Enterprise Infrastructure: Create the integration layer between modern Python-based AI frameworks and Tenable’s robust JVM-based microservices architecture.

Tenable is an Exposure Management company that helps organizations understand and reduce cyber risk. They have 44,000 organizations relying on them and foster a culture of belonging, respect, and excellence.

US

  • Analyze requirements and propose innovative AI-native solutions to technical problems
  • Write clean scalable code
  • Test and deploy features & services

WorkHero is building the AI-powered back office for the skilled trades, starting with the $50B+ HVAC industry. They have exciting traction and just closed a $5M seed round to expand their engineering and product organization, as well as add additional services.

Global

  • Design, implement, and maintain high-performance ML training and inference platforms.
  • Ship tools that allow any ML engineer to deploy a model in minutes, not days.
  • Improve scalability, reliability, and cost efficiency of model training and serving systems.

Speechify's mission is to make sure that reading is never a barrier to learning. With nearly 200 people around the globe working in a 100% distributed setting, Speechify's team includes frontend and backend engineers, AI research scientists, and others.

US Unlimited PTO

  • Serve as a cross-functional AI thought partner, driving the strategic roadmap in partnership with Product, Engineering, and Executive leadership.
  • Lead technical and strategic evaluation of AI opportunities, framing and executing POCs/POTs with clear business cases, conceptual models, and measurable impact
  • Set technical vision and architectural guardrails for AI/GenAI systems, ensuring alignment with scalability, compliance, and long-term platform strategy.

DoseSpot is a PE-backed start-up and a leader in the electronic prescribing software market; its subsidiary, pVerify, is an industry leading insurance verification solution. They are on a hyper-growth curve at the intersection of the software and healthcare industries, promoting a fun and growing team culture.

Europe

  • Work side by side with clients, PMs, and Architects to scope and deploy AI systems.
  • Build and integrate systems using LLMs, RAG pipelines, agent frameworks, vector databases and related tools.
  • Debug relentlessly and optimize for reliability in production, not just elegance in code.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Their system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company.

US

  • Define and evolve the technical vision for AI and agentic systems across products.
  • Design orchestration, data, and serving patterns that handle global scale with reliability.
  • Collaborate with AI Research to turn prototypes into extensible, governed production frameworks.

KnowBe4 is a cybersecurity company that puts security first, empowering over 70,000 organizations worldwide to strengthen their security culture. They value radical transparency, extreme ownership, and continuous professional development in a welcoming workplace that encourages all employees to be themselves.

$135,000–$216,000/yr
US

  • Design, develop, and optimize generative AI solutions, including prompt engineering and RAG implementations.
  • Implement agentic LLM architectures and multi-agent orchestration to generate reliable outputs.
  • Develop prompt libraries and evaluation frameworks to ensure accurate and secure AI-generated content.

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, they deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.

$89,769–$122,862/yr
Canada Unlimited PTO

  • Build AI-Powered Features: Design, develop, and deploy production-grade AI applications that solve real customer problems.
  • Architect Scalable Systems: Create robust backend architectures that support AI workloads, ensuring low latency and high reliability.
  • Drive AI Innovation: Implement and optimize agentic AI systems, RAG pipelines, and multi-agent workflows using modern LLM frameworks.

Procurify is the AI-enhanced procurement and AP automation platform for mid-market organizations. They help organizations take control of spend and save money as a remote-first company with a big heart and a strong ambition to modernize the way organizations manage business spend.

Global

  • Design and ship production-grade agentic AI systems that meaningfully improve customer workflows and internal operations.
  • Establish a clear technical architecture for AI at Moxie, including agent orchestration, tool/function calling and observability.
  • Integrate AI deeply into the Moxie platform, ensuring AI systems are secure, resilient, cost-aware, and aligned with a regulated environment.

Moxie empowers ambitious aesthetic entrepreneurs to build profitable, independent practices. They are a global, remote-first team of more than 140 people, supporting hundreds of practices nationwide, aiming to unlock sustainable success for aesthetic entrepreneurs.

North America Unlimited PTO

  • Rapidly prototype AI-driven use cases using Java-based services, frontend components, and integration with AI/ML tools.
  • Build POCs leveraging agentic AI frameworks (LangGraph, AutoGen, CrewAI) and test novel interactions with LLMs and external APIs.
  • Work with SQL/NoSQL databases to model knowledge graphs, embeddings, and AI-generated outputs at scale.

JAGGAER provides an intelligent Source-to-Pay and Supplier Collaboration Platform that empowers organizations to manage and automate complex processes while enabling a highly resilient, responsible, and integrated supplier base. With 1,300+ global employees, they are obsessed with ensuring customers get full value from our products - ultimately enhancing and transforming their businesses.