> Markdown version of [/jobs/ext/4613212-principal-software-development-engineer](https://www.wearedevelopers.com/jobs/ext/4613212-principal-software-development-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Development Engineer - **Company:** BIOSPACE - **Location:** Thousand Oaks, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Amazon Web Services, Software Applications, Cloud Computing, Software Quality, Code Review, Databases, Continuous Integration, Data Structures, Software Design Patterns, DevOps, Web Development, Disaster Recovery, Python (Programming Language), Language Modeling, NoSQL, Software Architecture, Rapid Prototyping Process, Cloud Services, Sentiment Analysis, Software Engineering, SQL Databases, Test-Driven Development (TDD), ReactJS, Large Language Models, Prompt Engineering, Backend, Build Management, Text Analysis, Serverless Computing, Microservices - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_9dfff86ac3607a36e66c0f3531423e6b ## About the Role Doctorate degree and 2 years of software development experience Or Masters degree and 4 years of software development experience Or Bachelors degree and 6 years of software development experience Or Associates degree and 10 years of software development experience Or High school diploma / GED and 12 years of software development experience Preferred Qualifications Hands on experience with various cloud services, understand pros and cons of various cloud service in well architected cloud design principles Hands on experience with Full Stack software development. Proficient in programming language Python(preferred), JavaScript(including ReactJS), SQL/NoSQL. Strong problem solving, analytical skills; Ability to learn quickly; Excellent communication and interpersonal skills Good-to-Have Skills Experienced with API integration, serverless, microservices architecture. Experience in SQL/NOSQL database, vector database for large language models Experience with Web site development, understand of web site localization processes, which involve adapting content to fit cultural and linguistic contexts. Experience with popular large language models Experience with Langchain or llamaIndex framework for language models; Experience with prompt engineering, model fine tuning Experience with DevOps CICD build and deployment pipeline Experience with design patterns, data structures, test-driven development Knowledge of latest techniques for text analysis and sentiment analysis Education and Professional Certifications Cloud Computing certificate preferred Soft Skills Excellent analytical and troubleshooting skills. Strong verbal and written communication skills Ability to work effectively with global, virtual teams High degree of initiative and self-motivation. Ability to manage multiple priorities successfully. Team-oriented, with a focus on achieving team goals Strong presentation and public speaking skills. ## Description Lets do this. Lets change the world. In this vital role you will join our Global Commercial Digital Innovation team. As a Principal Software Developer, you will be responsible for designing, developing, deploying complex software applications, and mentoring junior developers. You will work closely with cross-functional teams to deliver high-quality, scalable, and maintainable solutions Roles & Responsibilities * Possesses strong rapid prototyping skills and can quickly translate concepts into working code * Contribute to both front-end and back-end development using cloud technology. * Provide technical guidance and mentorship to junior developers. * Take ownership of complex software projects from conception to deployment. Manage software delivery scope, risk, and timeline * Develop innovative solutions leveraging advanced data-driven algorithms and computational techniques. * Define and implement robust software architectures on the cloud, AWS preferred * Conduct code reviews to ensure code quality and adherence to best practices. * Create and maintain documentation on software architecture, design, deployment, disaster recovery, and operations. * Identify and resolve technical challenges effectively. * Stay updated with the latest trends and advancements * Work closely with product team, business team, and other stakeholders.