Lead Full Stack Developer Sr Software NEX

Key Responsibilities JOB DESCRIPTION Lead the design and development of full-stack features across Angular frontend andPython FastAPI backend services Contribute directly to the codebase while setting technical direction and ensuring highqualityimplementations Guide architectural decisions, helping define scalable patterns for frontend, backend,and data layers Establish and promote best practices for code quality, testing, performance, andmaintainability Mentor and support a small team developers across frontend and backend disciplines Drive consistency in development patterns, shared libraries, and monorepo structure(Nx) Collaborate across multiple products and teams to ensure cohesive platform design andreuse of components Partner with product owners and domain experts to deeply understand businessworkflows and translate them into well-structured technical solutions Break down complex initiatives into clear, incremental deliverables spanning frontendand backend systems Support and improve CI/CD pipelines, development workflows, and release processes Lead and participate in code reviews, providing actionable feedback and enforcingengineering standards Build responsive, data-rich UI components using Angular Material, data grid libraries,and modern state management tools Design and implement RESTful APIs using FastAPI, SQLAlchemy, and Pydantic Work with PostgreSQL databases, manage schema evolution with Alembic, and optimizeperformance-critical queries Implement real-time data features using WebSockets and Server-Sent Events (SSE) Collaborate with UX designers to deliver accessible, intuitive interfaces using SCSS andAngular Material theming Ensure robust authentication and authorization mechanisms using policy-based accesscontrol Guide the team in writing and maintaining automated tests (Jest, Playwright, pytest)Required Qualifications 7+ years of professional software development experience across frontend and backendtechnologies Strong proficiency in TypeScript and Angular, including component architecture, RxJS,and reactive patterns Strong experience with Python (3.10+) and modern web frameworks such as FastAPI orFlask Proven experience designing and building RESTful APIs and distributed systems Solid understanding of SQL databases (PostgreSQL preferred) and ORM tools likeSQLAlchemy Experience making or contributing to architectural decisions in a production environment Demonstrated ability to mentor engineers and elevate team-wide engineering practices Hands-on experience with testing strategies across frontend and backend systems Experience working with CI/CD pipelines and improving developer workflows Strong understanding of modern web application architecture, performanceconsiderations, and scalability Excellent communication skills with the ability to work across technical and non-technicalstakeholders Comfortable operating in ambiguous environments and helping define structure,patterns, and processesPreferred Qualifications Experience with Nx monorepo tooling and shared library architecture Familiarity with NGXS or NgRx for Angular state management Experience with cloud platforms (AWS, GCP, or Azure) and cloud-native design patterns Experience implementing real-time systems (WebSockets, SSE) and asynchronousprocessing (e.g., Celery) Familiarity with Docker, containerized deployments, and infrastructure-awaredevelopment Experience with Redis caching strategies and message brokering patterns Exposure to data visualization tools such as Three.js Background working across multiple products or platform-based architecturesNice to Have Experience in the oil and gas industry, particularly with well completions operationsPage 2Job Description Familiarity with concepts such as stage tracking, perforation intervals, pump schedules,and treatment design Exposure to upstream data standards or oilfield service company workflows Experience building systems for operational, safety-critical, or compliance-drivenenvironmentsWhat Success Looks Like The team delivers consistently with clear patterns and reduced rework Frontend and backend systems feel cohesive, maintainable, and scalable Architectural decisions are intentional, documented, and followed Developers are growing in capability and confidence under your guidance The platform evolves with strong foundations rather than accumulating technical debtAbout UsThe Evolving Oil Field Demands Evolving Service ProvidersNexTier is a leading provider of integrated completions that employs sustainable practices and equipment to support our customers’ ESG goals while accelerating production in the most demanding US land basins.