Experienced Full Stack .NET Developer

Role overview Art of Problem Solving is hiring a Math Curriculum Developer based in San Diego, California. The position centers on designing math materials that challenge and motivate students and teachers. The main goal is to create content that fosters deeper mathematical thinking and keeps learners engaged. What you will do Create original math curriculum and supporting resources Develop problems and lessons that stretch students’ understanding of mathematical concepts Work with educators to ensure materials are both rigorous and accessible Requirements Strong background in mathematics Experience in education or curriculum development Dedication to inspiring learning and curiosity in others

Become a part of the AoPS Academy team as a Math Teaching Assistant! If you are passionate about encouraging student success and fostering a collaborative classroom atmosphere, this role is perfect for you! Key Responsibilities: Instructional Support: Collaborate with instructors to deliver the company’s comprehensive curriculum and assist advanced learners in mastering challenging concepts. Individualized Student Assistance: Engage with students during class activities and provide tailored support as required. Classroom Management: Help maintain an orderly classroom environment while supporting up to 16 students. Assignment Assistance: Aid in grading and offer constructive feedback on student assignments. Relationship Building: Develop connections with students and staff to facilitate their educational journey and academic progress. Encouraging Learning: Create an environment that stimulates critical thinking and academic curiosity. Ideal Candidate Qualifications: Minimum age of 16 years. Strong mathematical skills and the ability to assist students with advanced concepts. Prior experience or interest in working with younger students is highly desirable. Excellent verbal and written communication skills. A positive, encouraging demeanor that fosters a comfortable atmosphere for students to ask questions. Detail-oriented with strong organizational skills. Familiarity with the AoPS curriculum is a plus but not mandatory. Additional Information: Previous teaching experience or coursework in education is not a prerequisite for this position. Schedule During Academic Year: As an afterschool program, AoPS Academy offers classes in the evenings and weekends. Availability during weekday after-school hours (starting as early as 4 PM) and/or on weekends is essential. A minimum commitment of approximately 3 hours per week for each assigned class is required. Each course runs once a week for 1 hour and 45 minutes. Summer Schedule: Summer programming includes multiple two-week camps from June to August.

Positive Development seeks a Child Development Specialist in San Diego, CA to support children’s growth and learning. This position centers on building strong relationships with families and educators, working together to create environments where children can thrive both academically and emotionally. Role overview The Child Development Specialist will contribute expertise to shape and carry out programs tailored to each child’s needs. Collaboration is key: expect to partner with others to develop strategies that encourage healthy development and positive learning experiences. What you will do Work directly with children, families, and educators to support learning and emotional well-being Help design and implement individualized programs for child development Create supportive, inclusive environments that respond to each child’s strengths and challenges

Become a Part-Time Math Instructor at AoPS Academy! If you have a passion for mathematics and enjoy motivating young learners in a dynamic and collaborative classroom environment, we have an exciting opportunity for you! As a Part-Time Math Instructor, you will: Deliver Engaging Curriculum: Utilize our specially designed curriculum to lead small classes focused on advanced mathematical concepts. Foster Student Engagement: Actively involve students in class discussions and promote student-led learning. Manage the Classroom: Effectively oversee a class of up to 16 students, ensuring a productive learning environment. Provide Assessment Feedback: Offer constructive feedback on tests and assignments to guide student progress. Build Relationships: Establish strong connections with students and their families to enhance their educational experiences. Inspire a Love for Learning: Encourage critical thinking and a passion for mathematics among your students. The Ideal Candidate will have: A Bachelor’s degree (required); a degree in a STEM-related or educational field is strongly preferred. Strong knowledge of mathematical concepts. Preferred teaching experience at the K-12 level. Experience in teaching or tutoring students. Note: A formal teaching credential is not required for this role. Schedule (Academic Year): Classes are held in the evenings and on weekends. Availability during after-school hours (starting as early as 4 PM) and weekends is essential. Commitment of approximately 3 hours per week for each assigned class is required. Each course meets once a week for 1 hour and 45 minutes. Schedule (Summer): In the summer, we offer multiple two-week camps from June to August. Camp classes run Monday through Friday for 3 hours a day, available in both morning and afternoon sessions. Campus Location: This is an in-person position at our San Diego campus. Candidates must reside in or around San Diego, CA, and be able to commute to our location.

Join Sigma Defense, a leader in defense solutions, as a skilled Training Specialist. We are looking for candidates with a strong Navy and Marine Corps training background to provide comprehensive Curriculum Development and Maintenance, alongside Training Support for the Expeditionary Warfare Training Group (EWTGPAC), located at our Coronado, CA facility. This role is crucial in ensuring the execution of high-quality curriculum that meets the needs of our Navy and Marine Corps clients.As a Training Specialist, you will be responsible for developing and maintaining curriculum currency for various programs, including Expeditionary Logistics, Expeditionary Fires, Fire Support Marine Pipeline, Marine Amphibious Raid, and Tactical Air and Joint Fires. Utilizing online/web-based authoring tools such as Authoring Instructional Material (AIM II) and the Marine Corps Training Information Management System (MCTIMS), you will produce Master Lesson Files that encompass objectives, lesson guides, student guides, classroom media, and assessments to gauge student knowledge and performance. You will also create and align course test banks with course content and objectives.Your role will include offering training to instructor staff on curriculum development procedures and reviewing existing materials. You will conduct evaluations of instructors and provide recommendations regarding their certification and annual assessments. By analyzing student critiques and After Instruction Reports (AIRs), you will contribute to developing effective training solutions.Equal Opportunity Employer/Veterans/Disabled: Sigma Defense is proud to be an Equal Opportunity Employer, welcoming all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and we do not discriminate based on disability.

Join Our Team as a High School Math Teacher (2026 - 2027 School Year)High Tech High Schools - General PoolHigh Tech High (HTH) is seeking an enthusiastic and dedicated High School Math Teacher to join our team at High Tech High Mesa in San Diego. We are a pioneering network of public charter schools that emphasize equity, personalization, authentic work, and collaborative design in our educational approach.Job Summary: As a member of our teaching team, you will design and facilitate engaging learning experiences that foster curiosity and passion among students. Under the guidance of the School Director, you will prepare lesson plans, assign homework, assess student progress, and create an inclusive learning environment where every student feels valued. Your role will involve cultivating students' identities and developing their skills as critical thinkers, collaborators, and problem solvers.Key Responsibilities: Design meaningful project-based learning experiences, foster a sense of belonging, and support students in achieving academic success while exploring their identities.

Join Our Team as a Middle School Math and Science Teacher!High Tech Middle Schools - General PoolReports To: School DirectorClassification: Certificated, 188-dayEmployment Status: Full-time, ExemptType: RegularSalary: Teacher Framework (Steps 1-29) Range: $64,735.44 - $115,369.76, commensurate with experience and education.Application Period: Opens on 2/26/26 and Closes on 4/30/26High Tech High (HTH) is a dynamic network of charter schools in San Diego, established by a coalition of civic leaders and educators in 2000. Over the years, we have grown to serve approximately 6,350 students across 16 schools from grades K-12. We are dedicated to fostering an educational environment built on the principles of equity, personalization, authentic work, and collaborative design.We are seeking a passionate Middle School Math and Science Teacher to join our innovative teaching team. This role involves integrating math and science to create a purposeful learning experience that deepens students' understanding and engagement.JOB SUMMARYAt HTH, our teachers are committed to designing learning experiences that embody our core principles. With the support of the school community and director, teachers facilitate meaningful project-based work, cultivate a sense of belonging among students, and encourage exploration of identities, curiosities, and passions. Our educators inspire students to become readers, writers, mathematicians, scientists, and problem-solvers who are ready to make a difference in the world.

If you're passionate about joining the dynamic team at Art of Problem Solving (AoPS) but haven't found a position that aligns with your skills and experience, we still want to hear from you!We actively seek innovative thinkers and problem solvers from diverse backgrounds to contribute to our mission of developing resources to educate the future leaders of tomorrow. Our Talent Acquisition team is constantly on the lookout for candidates with interests and expertise in:Curriculum DevelopmentCustomer SupportProduct DesignProduct ManagementSoftware DevelopmentEducation and TeachingTo be considered for future full-time opportunities, please complete our general interest form, sharing your interests, passions, and background. Our team will reach out if an appropriate position becomes available. We also encourage you to frequently visit our careers page to apply for upcoming openings.Background Check:Employment is contingent upon successful completion of a background check.Work Authorization:Applicants must be legally authorized to work in the United States. Regrettably, we cannot provide sponsorship, including STEM-OPT and H-1B.

Join our innovative Course Experience team at Art of Problem Solving as a Product Manager, where you'll help shape the future of education for aspiring problem solvers. We are seeking two talented Product Managers: one will focus on creating unique independent learning experiences for students, while the other will develop the essential curriculum management systems that support all AoPS learning initiatives.Self-Study Experience: Our Self-Study Experience pod is dedicated to fostering independent learning environments that empower students to take control of their educational journey. This team designs homework, resources, and support systems for learning outside of traditional classroom settings, in addition to self-paced classes and standalone learning tools such as e-books.Curriculum Systems: The Curriculum Systems pod is responsible for developing the foundational technology that drives all AoPS educational experiences. This includes tools that allow curriculum developers to create engaging content, configure learning paths, utilize interactive pedagogical libraries, gather learning analytics, and conduct experiments.Key Responsibilities:Customer Advocacy: Champion the needs of students and educators, ensuring their feedback is integrated into daily product decisions.Vision & Strategy: Establish a clear vision for enhancing the course experience, aligning with overall business goals.Cross-Functional Collaboration: Collaborate closely with design, engineering, curriculum, and operations teams to deliver exceptional learning experiences.Prototyping & User Testing: Partner with design and engineering to quickly prototype and test new ideas, gathering user feedback for ongoing improvement.Data-Informed Decision Making: Leverage customer feedback, analytics, educational research, and market insights to guide product decisions and prioritize the roadmap.

Art of Problem Solving (AoPS) is known for advanced mathematics education and supports the US International Math Olympiad team. The company is expanding into new subjects and learning experiences, and seeks contributors who care about education and impact. AoPS designs its own curriculum, runs physical learning centers, and employs educators along with product, design, and engineering teams. This structure allows for close collaboration and a direct impact on how students and teachers learn and teach. Role Overview The Software Engineer II will develop features and components that help students and families connect with AoPS. The position involves working with product managers, designers, and engineers to build digital experiences that support learning and engagement. What You Will Do Own development of features and components that connect families and students to AoPS programs Collaborate with cross-functional teams to design and deliver engaging educational products Contribute to digital tools that support both students and educators Grow technical skills while delivering value to a large and diverse user base Location This role is based in San Diego, California, United States.

Join our innovative team as a Java Developer where you will play a vital role in developing robust and scalable software solutions. You will collaborate with cross-functional teams to design, implement, and maintain applications, ensuring high performance and responsiveness to requests from the front-end.Your responsibilities will include:Writing clean, maintainable Java codeParticipating in code reviews and ensuring adherence to coding standardsDebugging and resolving technical issuesCollaborating with project managers and UX/UI designers to enhance user experience

Location: San Diego, California - 92121Duration: 12 months temp to hireThe SQL Developer plays a crucial role in designing and developing database objects and procedural code tailored to our organization's diverse product line. This position is essential for creating programs that populate and maintain data within the department's transaction processing and data warehousing systems. Candidates will engage in crafting ETL programs, alongside supporting stored procedures, functions, triggers, and constraints. Hands-on experience with Microsoft SQL Server is vital for developing efficient database queries and ETL processes.Key Responsibilities:1. Apply database design and development principles for both transactional and dimensional schemas to meet application requirements.2. Design, plan, and develop programs for optimal data extraction, transformation, and loading from data sources to target systems.3. Develop and maintain SQL Server Reporting Services (SSRS) reports.4. Manage source code for database and ETL projects, ensuring successful builds in a continuous integration environment.5. Diagnose and resolve any database performance issues.

Join our innovative team as an Android Application Developer, where you will create and enhance features for camera applications on the Android platform. Your role will involve optimizing Java code for memory efficiency, performance, and power consumption, while also finding creative solutions to elevate the mobile user experience.

Join our team as a SharePoint Developer with specialized K2 experience. In this role, you will leverage your expertise to enhance our SharePoint solutions and streamline business processes. Your ability to innovate and integrate K2 workflows will be vital in achieving our project goals.

Join our dynamic team at stemxpert1 as a Senior .NET Developer - Cloud. In this pivotal role, you will leverage your expertise in .NET technologies to design and implement robust cloud-based solutions that drive business success. Collaborate with cross-functional teams to deliver innovative software that meets our clients' needs.

Google Fiber seeks a Marketing Web Developer to enhance its digital presence. This position centers on creating and refining marketing websites that engage customers and contribute to business growth. Role overview The Marketing Web Developer will work on projects aimed at making Google Fiber's marketing sites more effective and user-friendly. Expect to collaborate with teams to deliver web experiences that support customer connection and company objectives. Location This role is based in one of several locations: Irvine, California; Lakewood, Colorado; Las Vegas, Nevada; Mesa, Arizona; Provo, Utah; San Diego, California; or Seattle, Washington.

Join our team as an Applications Development Consultant in beautiful San Diego, California. In this role, you will leverage your technical expertise to develop innovative applications that meet the needs of our clients. You will be responsible for collaborating with cross-functional teams to design, implement, and support software solutions that enhance business operations.

Join a thriving start-up environment! As a key member of our dynamic team, you'll have the chance to diversify your skills and enjoy significant opportunities for financial and professional advancement.What makes us unique? We are targeting some of the most pressing challenges in biology today, assembling an exceptional team of engineers, scientists, and problem solvers dedicated to innovating the next generation of technologies that will decode the complexities of biological systems.Embrace this exceptional opportunity to contribute to a promising start-up while collaborating with talented, down-to-earth individuals.Reporting to the Head of Operations & Corporate/Business Development, the Director of Corporate & Business Development will spearhead our strategic initiatives and partnership efforts within the Cell & Gene Therapy and Drug Discovery sectors. This pivotal role will influence how Cellanome's technologies and products are marketed and sold to BioPharma clients, including CDMOs. The ideal candidate will blend in-depth technical knowledge with a proven track record in business development to identify, evaluate, and finalize strategic deals that propel our growth. Key responsibilities include:Sourcing, evaluating, and negotiating development deals, licensing agreements, and strategic partnerships with pharmaceutical, biotech, and CDMO firms in the Cell & Gene Therapy and Drug Discovery sectors.Building and managing consortiums to promote collaborative research initiatives and multi-partner programs utilizing Cellanome's technology.Collaborating with internal teams to refine product offerings that leverage Cellanome's technology platform to meet evolving market demands.Establishing and maintaining a strong pipeline of qualified opportunities and driving deals to successful closure.Gathering market intelligence and competitive insights to guide product strategy and positioning.Representing Cellanome at industry conferences and client meetings.

We are seeking a skilled BizTalk Developer to join our dynamic team. In this role, you will be responsible for designing, developing, and implementing integration solutions using Microsoft BizTalk Server. You will work closely with cross-functional teams to ensure seamless data flow and integration between various systems.