We are looking for a highly experienced Senior Java Developer with strong expertise in Spring Boot, Microservices, React.js, and AI/GenAI integration.

• 10+ years of hands-on Java development
•  Strong React.js frontend experience
•  Experience with AI/ML or Generative AI integrations
•  Cloud exposure (AWS/GCP/Azure preferred)
•  Microservices & REST API development

Key Responsibilities:

• Core Development Design develop and maintain high-performance thread safe and memory safe applications using Rust.
• Testing Infrastructure Build enhance and maintain sophisticated test frameworks using PYTHONPYTEST and RUSTRSTEST or similar fixture-based frameworks.
• Testing Strategy Implement comprehensive testing methodologies including unit tests integration tests end-to-end tests and property-based testing.
• Integration: Collaborate on bridging Rust based core logic with Python based user interfaces APIs or data pipelines.
• CICD Integrate automated tests into CICD pipelines eg GitLab CI GitHub Actions Jenkins.
• Debugging Profiling Debug complex cross layer performance issues involving Rust components and Python bindings.
• Best Practices Drive adoption of modern testing techniques perform code reviews and mentor junior engineers on testable code design.

Requirements:

• Experience 5 years of professional software development experience.
• Rust Expertise Strong hands-on experience with Rust including ownership lifetimes asynchronous programming Tokio and testing cargo test RSTEST.
• Python Expertise Strong proficiency in Python 3 to 10 with advanced knowledge of PYTEST fixtures and mocking.
• Testing Knowledge Experience with automated testing frameworks CICD pipelines and test-driven development TDD.
• System Design Understanding of systems programming concepts concurrency and memory management.
• Tools Familiarity with Git Docker and Linux environments.

A background showing 8-10 years of experience managing the SAP Finance module software and other large ERP/Oracle/Tagetik systems is highly desired.

Additional Required skills:

• Managing a multi-million-dollar projects, multi-disciplinary team across functional workstreams.
• Proven experience managing implementation projects with task/work responsibility shared across multiple system integrators, vendors, and big 5 consulting companies.
• Proven experience leading Financial transformation projects, Tagetik, Enterprise Software releases, SAP ERP implementation projects, and/or business process re-engineering projects.
• Preferred experience using and conducting reporting from qTest and tracking QA and UAT efforts from a large-scale enterprise project.
• Understand SDLC and proper project management, ability to work in an agile-like environment.

ESSENTIAL JOB DUTIES/RESPONSIBILITIES: (functions considered essential as defined by ADA)

• Ultimately responsible for partnering with the business partner to uphold the project scope and objectives.
• Responsible for using Project Management best practice to guide a project with the stakeholders and/or business.
• Deliver projects on budget with desired outcomes. Will utilize skills to forecast financials of project to effectively communicate any variance to sponsor and required management.
• Able to articulate problems, bring the right people together to solve problems of the project and know when the problem has been properly addressed and closed—all this with the proper sense of urgency that the problem requires.
• Conduct weekly status reviews with project team and works with project team to obtain updates for weekly status reporting and PowerPoint presentations to include updates on timeline, health of project indicators, accomplishments, and planned items coming-up.
• Maintain project governance with regular status meetings and reports, stand-ups and/or review sessions to keep team organized and moving forward to successful project closure.
• Screens projects for risks, actions, issues, decisions, financial viability, and opportunities for sustainable improvement. Understands the end to end impact along with cross functional impact. Formulates and implements solutions.
• Project may involve working with multiple vendors and making sure vendor PM aligns to HF Sinclair deliverables, SOW, invoicing, and timeline.
• Works with Financial Analyst to performs validation on financial-related reporting and liaises with project leadership about budget, forecast, accruals and reclassifications that may need to occur on project.
• With input from project leadership updates project forecast, submits accruals and reclassifications to maintain project financial standards.
• Monitors project scopes and objectives, involving all relevant stakeholders and ensuring technical feasibility with delivery lead.
• Develop a detailed project plan/schedule to track progress.
• Use appropriate verification techniques to manage changes in project scope, schedule and costs.
• Manage the relationship with the client and all stakeholders.
• Perform risk management to minimize project risks.
• Establish and maintain relationships with third parties/vendors.
• Create, maintain, and store project documentation and records.
• Responsible for defining, teaching, and enforcing the use of good project management practices with project team.
• Excellent communicator that understands frequent, consistent communication helps keep teams aligned and progressing forward with project. Respectful and upholds team dignity throughout project.
• Encourages and supports escalations: communicates to all concerned parties project milestones, status updates, as well as any existing or potential escalation issues. Proactively follows escalation and change control processes.
• Serves as a role model in promoting good working relationships across a project. Cultivates the people skills needed to develop trust and communication among all of a project's stakeholders. This includes executing the proper communication and coordination of cross functional project teams to ensure seamless delivery.
• Engages in building consensus, developing contingency planning and providing recommend solutions.
• Lead project teams in strategic meetings and follow up with meeting minutes.
• Understands Software Development Lifecycle.
• Excellent organization skills.
• Ability to follow HF Sinclair Governance and utilize required formatting of PowerPoint presentations as required.

Required Qualifications

• 10+ years of experience in data engineering and architecture roles
• 6+ years of hands-on experience designing data platforms on AWS
• Strong expertise with:
• AWS S3, Glue, Athena, Redshift, EMR, Lambda
• Streaming services: Kinesis, Kafka (MSK)
• SQL and data modeling for analytics
• Experience building enterprise-scale data lakes / lakehouses
• Solid understanding of distributed data processing (Spark, Hadoop)
• Experience with security, governance, and compliance frameworks
• Strong communication skills with the ability to work across technical and business teams

Preferred Qualifications

• AWS certifications (Solutions Architect – Professional, Data Analytics – Specialty)
• Experience in aerospace, manufacturing, or regulated enterprise environments
• Exposure to machine learning pipelines and analytics platforms
• Experience with Terraform or CloudFormation
• Knowledge of Python, Scala, or Java for data processing
• Familiarity with enterprise data governance tools and metadata management

A Python Developer with Gen AI JD (Job Description) focuses on building AI-powered apps using Python, integrating LLMs (like GPT), frameworks (LangChain, Hugging Face), cloud (AWS/Azure/GCP), and MLOps tools (Docker/Kubernetes), requiring strong Python, ML/DL, and API skills for scalable, production-ready solutions, handling everything from data prep to deployment and monitoring.