Full Stack Developer Sr
Location: Irving, Texas
Country: United States
Category: Technology
Workplace Location: Onsite
Employment Type: Contract
Posted Date: August 13, 2026
Job ID: 650806
Job Description
Sr. Full Stack Developer
Location: Irving Texas
Length: 6-month contract
Pay: $64/hr - $69/hr (DOE)
About the Role
We are seeking a highly motivated Senior Full Stack Developer to join our engineering team. This role will design, develop, and maintain scalable web applications across the full technology stack. The ideal candidate has strong backend expertise in Python or Java, experience building modern frontend applications with React, and a passion for delivering high-quality software.
Experience with Elasticsearch is highly desirable. Familiarity with LangChain, LLMs, RAG, and vector embeddings is a strong plus.
Responsibilities- Design, develop, and maintain scalable full-stack web applications.
- Build robust backend services using Python (FastAPI/Django) or Java (Spring Boot).
- Develop responsive, reusable frontend components using React.
- Design and implement RESTful APIs and microservices.
- Integrate applications with relational and NoSQL databases.
- Optimize application performance, scalability, and reliability.
- Collaborate with product managers, designers, and cross-functional engineering teams.
- Write clean, maintainable, and well-tested code.
- Participate in code reviews and mentor junior developers.
- Troubleshoot production issues and implement long-term solutions.
- Bachelor's degree in Computer Science, a related field, or equivalent practical experience.
- 10+ years of professional software development experience.
- Strong proficiency in Python or Java.
- Experience with backend frameworks such as FastAPI, Django, or Spring Boot.
- Strong understanding of:
- REST APIs
- Microservices
- Authentication and authorization
- API security
- Experience with relational databases such as PostgreSQL or MySQL.
- Familiarity with NoSQL databases such as MongoDB.
- Experience building modern frontend applications using React.
- Strong understanding of JavaScript/TypeScript, HTML5, and CSS3.
- Experience with Git and CI/CD pipelines.
- Strong problem-solving, troubleshooting, and debugging skills.
- Hands-on experience with Elasticsearch, including:
- Index design
- Query DSL
- Aggregations
- Relevance tuning
- Performance optimization
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Experience with Docker and Kubernetes.
- Familiarity with distributed systems and event-driven architectures.
Experience with Generative AI technologies, including:
- LangChain
- Retrieval-Augmented Generation (RAG)
- Embedding models
- Vector databases
- Semantic search
- Prompt engineering
- LLM integrations, including OpenAI, Anthropic, or Azure OpenAI
Backend
- Python or Java
- FastAPI / Django / Spring Boot
- REST APIs
- Microservices
- SQL and NoSQL
Frontend
- React
- TypeScript
- JavaScript
- HTML/CSS
Search
- Elasticsearch
AI -- Bonus
- LangChain
- Embeddings
- Vector databases
- RAG
- LLM APIs
DevOps
- Git
- Docker
- CI/CD
- AWS / Azure / GCP
The ideal candidate:
- Writes clean, maintainable, and scalable code.
- Has strong backend engineering fundamentals.
- Can build intuitive, high-quality React-based user interfaces.
- Understands search technologies such as Elasticsearch.
- Is interested in modern AI application development using LangChain, embeddings, and LLMs.
- Enjoys solving complex technical challenges and collaborating across teams.
- Takes ownership of projects from design through production deployment.
EEO Statement
The staffing industry has seen an increase in people falsely representing themselves as recruiters to gather personal information from job seekers. For your safety, do not provide sensitive data to anyone you have not spoken with thoroughly, never provide banking information during the application process, and always double check the email address of the Recruiter to ensure it’s from an official Planet domain (@theplanetgroup.com or @launchcg.com) - and not a domain with an alternative extension like .net, .org, or .jobs.
The Planet Group and our companies are equal opportunity employers. It is our practice not to discriminate against any employee or applicant based on any criteria, condition or basis protected by laws or regulations in the locations where we do business. All qualified applicants are encouraged to apply. We celebrate diversity and are committed to providing an environment of mutual respect. We believe that diversity, equity, and inclusion enable us to better meet our mission and values while serving our clients across the globe. If you have a disability or handicap and would like us to accommodate you in any reasonable way, please inform your recruiter, or contact us, so that we can discuss the appropriate alternatives available.
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About The Planet Group
The Planet Group is a global professional services firm delivering strategic staffing and advisory solutions. We operate at the intersection of talent and transformation – connecting the right people with the right opportunities in the areas of technology, engineering, accounting & finance, digital marketing, and manufacturing.
As one of the largest staffing companies in the US, we operate with a global reach and a performance-first mindset. We partner with clients to move fast, stay agile, and drive measurable results – building high-impact teams that fuel transformation and growth.
