• Design and implement context architectures that enable AI systems to access, interpret, and reason over enterprise knowledge. • Develop and maintain ontologies, schemas, and knowledge representations that structure domain knowledge across systems, ensuring consistency, reusability, and scalability. • Define and optimize context assembly pipelines, including retrieval strategies, ranking logic, memory handling, and prompt/context composition for LLM-based systems. • Build and manage semantic layers over structured and unstructured data, enabling effective grounding of AI agents in real-world business context. • Design and implement knowledge graphs and context graphs to model relationships between entities, actions, and outcomes across enterprise systems. • Collaborate with AI Engineers and Data teams to align embeddings, chunking strategies, and vector storage with ontology and semantic design. • Establish standards for context quality, including evaluation frameworks for relevance, coherence, completeness, and business impact. • Enable interoperability across AI systems by defining shared context interfaces, schemas, and protocols (e.g., MCP or API-based context services). • Continuously refine context systems based on agent performance, feedback loops, and operational insights. • Translate complex semantic and contextual concepts into actionable implementations for both technical and non-technical stakeholders.

Space Inch is on a new mission, and we’re looking for AI experts and enthusiasts to join us! We’re building the next generation of B2B AI experiences, and we need an AI engineer to build, own, and operate production-ready LLM-powered services end-to-end. You will build and operate fast, reliable AI systems that power core platform features, enabling accurate, data-grounded recommendations and intelligent workflows with production-grade performance and reliability at scale. We’re expanding our team and bringing on multiple teammates to contribute across multiple projects built on this stack. Our Mission, Vision, and Values At Space Inch, we prioritize alignment with our clients and team, ensuring a deep understanding of their needs. We are committed to delivering exceptional work while supporting the personal and professional growth of our team members. Every team member has access to an executive coach as part of this commitment. About working at Space Inch - Our team (70+ people) is primarily based in Croatia, with members in South America, Serbia, and the US. While focus is on working remotely, we do have an office in Zagreb for those who prefer a hybrid approach and are located nearby. - Occasional travel may be required, including annual company retreats in Croatia. - We work on end-to-end projects with long-term vision - We strongly support work/life balance for our team members

The AI Developer will design, develop, and integrate artificial intelligence solutions in support of ITA’s mission through the AI Center of Excellence (AI‑CoE). This role emphasizes hands‑on development of AI models, data analysis, and the integration of AI capabilities into production systems within a secure federal IT environment. The ideal candidate will work collaboratively with cross‑functional teams to deliver scalable, high‑quality AI solutions that directly support mission‑driven objectives. *Position is contingent upon contract award.* Responsibilities - Design and develop artificial intelligence models, algorithms, and applications to address mission‑driven challenges. - Preprocess, analyze, and manage large datasets in collaboration with data, engineering, and product teams. - Implement and maintain machine learning and deep learning frameworks. - Fine‑tune and optimize AI models to improve performance, scalability, and accuracy. - Integrate AI models into enterprise and cloud‑based production systems. - Document code, models, algorithms, and development processes in accordance with organizational standards. - Support testing, deployment, and ongoing operations and maintenance of AI solutions. - Participate in SAFe Agile ceremonies, including sprint planning, reviews, and retrospectives. - Stay current with emerging AI technologies, tools, frameworks, and industry best practices. - Perform other related duties as assigned. Qualifications - U.S. Citizenship (required). - MUST possess a NACI or higher background investigation. - Bachelor’s degree in Computer Science, Artificial Intelligence, Engineering, or a related field (or equivalent experience). - Minimum of eight (8) years of professional experience. - Demonstrated experience developing artificial intelligence or machine learning solutions. - Proficiency in at least one AI/ML programming framework. - Experience working with large datasets and applying data preprocessing techniques. - Familiarity with Agile development methodologies. Desired Qualifications - Master’s degree in Artificial Intelligence, Data Science, or a related field. - Experience integrating AI models into enterprise or production systems. - Experience working in cloud‑based AI development environments. - Knowledge of DevOps and/or MLOps practices. - Experience supporting federal government or public sector IT programs. - Familiarity with application security, compliance, and secure development requirements. - Experience using Azure DevOps or similar delivery management tools. Work Location - Remote work preferred, with occasional on‑site support in Washington, DC, as required. About Us Diné Development Corporation (DDC) is a Navajo Nation‑owned family of companies that provides government agencies and commercial organizations with high‑quality IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and the communities we serve. Benefits Eligible full‑time employees receive a comprehensive benefits package, including medical, dental, vision, life and disability coverage, retirement savings with company match, paid time off, voluntary supplemental benefits, and access to an employee assistance program. The package also includes educational assistance, with tuition reimbursement. Equal Employment Opportunity & Compliance This contractor and subcontractor shall abide by the requirements of 41 CFR 60‑1.4(a), 60‑300.5(a), and 60‑741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation, or any other basis prohibited by law. DDC participates in E‑Verify.

About Calo (more here) Calo is an app providing personalized meal plans for busy people through nutritional algorithms, built with love by chefs, nutritionists, and software engineers. Launched in Bahrain in 2019, we have since expanded to 7 countries, delivered millions of meals to our customers, and are now expanding our mission of making healthy easy to retail and other verticals. We're on a noble mission to make healthy easy. We think this is one of the most important problems to tackle in our world today. We have global ambitions - no small thinking here. Why This Role Matters We are looking for a Full-stack Engineer – AI who will build and ship software using AI coding agents such as Codex and similar tools. You will develop applications for internal productivity and commercial products, leveraging AI-assisted development to accelerate engineering workflows. This role is ideal for engineers who are comfortable working with AI-driven coding environments, orchestrating coding agents, and building modern full-stack applications quickly and reliably. You will work across the entire product stack, from backend systems and APIs to user-facing interfaces, using AI as a core part of the development process. What You’ll Do AI-Assisted Software Development - Use coding agents (e.g., Codex and similar AI tools) to design, implement, and iterate on software systems. - Build and deploy applications using AI-assisted development workflows. - Design prompts, agent workflows, and automation pipelines that improve engineering velocity. Full-stack Development - Develop scalable backend services and APIs. - Build modern frontend interfaces and dashboards. - Integrate internal tools and external services into production systems. AI Engineering Workflow - Design and maintain agent-driven development processes. - Evaluate and adopt emerging AI coding tools and frameworks. - Optimize software delivery through automation and agent orchestration. Product Development - Rapidly prototype and ship features. - Collaborate with product teams to turn ideas into working software. - Build tools that improve internal operations and developer productivity. What We’re Looking For Requirements Experience - 1+ year of professional experience working with AI coding agents (Codex or similar). - Experience building full-stack applications in production environments. Technical Skills Strong experience with: Backend - Node.js / Python / Go / similar modern backend languages - API design (REST / GraphQL) - Databases (PostgreSQL, MongoDB, etc.) Frontend - React / Next.js / modern frontend frameworks - TypeScript / JavaScript AI Development - Working with AI coding assistants or autonomous coding agents - Prompt engineering for development workflows - AI-assisted debugging, refactoring, and feature development Infrastructure - Git - Docker - Cloud platforms (AWS / GCP / Azure) Preferred Qualifications - Experience building agent-based development workflows. - Familiarity with LLM APIs and AI tooling ecosystems. - Experience building developer tools or internal automation systems. - Startup or fast-paced product development experience. Who You Are - An engineer who uses AI as a core part of how you build software. - Strong problem-solver who can ship quickly while maintaining quality. - A builder who enjoys experimenting with new AI-powered development paradigms. The Hiring Journey - Screening with TA Partner (30 min) - Technical Interview with the VP of AI (45 min) - Culture Fit Interview with the Hiring and People Team Members (30 min) - Offer Ready to Join? If this role excites you, and you see yourself matching at least 85% of the criteria above, what are you waiting for? Let’s gooo! 🚀