Contractual Python Flask Developer Jobs in Houston, TX

Key Responsibilities

Lead the design and development of full-stack features across Angular frontend and
Python FastAPI backend services
Contribute directly to the codebase while setting technical direction and ensuring highquality
implementations
Guide architectural decisions, helping define scalable patterns for frontend, backend,
and data layers
Establish and promote best practices for code quality, testing, performance, and
maintainability
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 and
reuse of components
Partner with product owners and domain experts to deeply understand business
workflows and translate them into well-structured technical solutions
Break down complex initiatives into clear, incremental deliverables spanning frontend
and backend systems
Support and improve CI/CD pipelines, development workflows, and release processes
Lead and participate in code reviews, providing actionable feedback and enforcing
engineering 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 optimize
performance-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 and
Angular Material theming
Ensure robust authentication and authorization mechanisms using policy-based access
control
Guide the team in writing and maintaining automated tests (Jest, Playwright, pytest)

Required Qualifications

7+ years of professional software development experience across frontend and backend
technologies
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 or
Flask
Proven experience designing and building RESTful APIs and distributed systems
Solid understanding of SQL databases (PostgreSQL preferred) and ORM tools like
SQLAlchemy
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, performance
considerations, and scalability
Excellent communication skills with the ability to work across technical and non-technical
stakeholders
Comfortable operating in ambiguous environments and helping define structure,
patterns, and processes

Preferred 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 asynchronous
processing (e.g., Celery)
Familiarity with Docker, containerized deployments, and infrastructure-aware
development
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 architectures

Nice to Have

Experience in the oil and gas industry, particularly with well completions operations
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Job 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-driven
environments

What 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 debt