Math Curriculum Writer (Grades 3-5)

Position: Math Curriculum Writer (Grades 3-5)

Number of Positions: 2 available

Location: Remote or Hybrid (Boston area office location)

Type of Position: Full-time, 1.5 to 2 year position

Start Date: July 1, 2026

About Fishtank Learning

Fishtank Learning is a growing education technology non-profit that develops and shares high-quality curriculum materials through a dynamic, easy-to-navigate website. At Fishtank Learning, we believe that teachers and their students deserve access to the highest quality instructional materials. Our in-house curriculum team has spent the last decade drawing on their experience as classroom teachers to develop the Fishtank curriculum. We continually refine and improve our content and tools to reflect the best evidence-based practices and serve the evolving needs of teachers and students.

Fishtank materials are:

• Relevant - Fishtank is unique in its commitment to offering culturally relevant and responsive curriculum materials that support the diverse population of students in America's public schools.
• Rigorous - Fishtank believes ALL students can succeed with rigorous grade-level materials; both Fishtank ELA and Fishtank Math are highly rated for their alignment to standards and research-based practices.
• Adaptable - Fishtank materials seek to build teacher content knowledge and support intellectual preparation so that teachers can make decisions about how to bring the materials to life for their unique set of students.
• Accessible - Fishtank materials are made available through a dynamic, custom-built digital platform that supports teachers and students.

Fishtank Learning is growing rapidly and has built a five-year business plan aimed at scaling the organization's impact to serve over 1,500 schools and 600,000 students, enhancing its core curriculum and implementation support offerings, and leveraging technology to offer a best-in-class digital curriculum experience.

Overview of Role

Fishtank Learning is seeking two full-time Math Curriculum Writers to join the Math Curriculum Team and help strengthen our upper elementary math curriculum. Fishtank offers a complete 3-5 math curriculum and this role will focus on enhancing and expanding existing materials. Key priorities include but are not limited to strengthening facilitation guidance, adding supports that increase student access to Anchor Tasks, adding lesson Warm Ups, and integrating culturally responsive math teaching principles.

The Curriculum Writers will collaborate closely with the Senior Director for K-5 Math who will also be contributing to the work. Together, the team will revise and refine the Grades 3-5 curriculum, ensuring coherence across the grade band, alignment with the broader K-8 curriculum, and consistency with the Fishtank philosophy and style. In addition, the Curriculum Writers will engage with the broader Math Team on topics relevant to the ongoing development and improvement of the K-8 math curriculum.

Who We’re Looking For

The ideal candidate has experience writing elementary math curriculum and has teaching experience in the same grade band. They are comfortable working independently while also collaborating closely with teammates to maintain alignment across the curriculum.

Strong candidates will have:

• Deep knowledge of the the Common Core State Standards for Mathematics and elementary content progressions
• Familiarity with researched-based pedagogical approaches to math curriculum and instruction
• Strong attention to detail and the ability to think both strategically about unit design and carefully about lesson-level decisions
• Clear communication skills and good judgement about when to collaborate and when to move work forward independently.

Why This Role

This is an exciting opportunity to collaborate with an experienced team of curriculum leaders and education entrepreneurs in an innovative mission-driven organization, contributing to the development of a high-quality digital math curriculum used by teachers and students across the country.

Job Description and Responsibilities

Curriculum Writer

• Implement enhancements to upper elementary math curriculum including:
  • Writing facilitation guidance and implementation support for lesson Anchor Tasks
  • Revising content as needed to align with updates to Fishtank philosophy and style, and to reflect guiding principles of culturally responsive math teaching
  • Creating additional resources including Warm-Ups, center activities, and spiral review
• Collaborate with Senior Director for Math to ensure consistency and alignment across elementary grade band
• Share and respond to feedback, engaging in a fast-moving feedback and editing cycle
• Effectively use project management tools to organize workflow, timelines, and track and communicate progress
• Collaborate with other members of the Math Team to ensure alignment and cohesion across K-8 math

Fishtank Team Member Expectations

• Meet ambitious yet feasible deadlines
• Work independently with strong attention to detail
• Seek and apply feedback, revise work thoughtfully, and continue building new skills
• Collaborate with colleagues at Fishtank Learning
• Maintain clear communication and visibility by actively using calendars, Slack, and project management systems to support a transparent remote culture

Required Qualifications

• Bachelor’s degree or equivalent experience
• Deep knowledge of Grades 3-5 mathematics, including the Common Core State Standards for Mathematics and content progressions
• At least 2 years experience with writing math curriculum
• At least 4-5 years of elementary classroom teaching experience, with evidence of improving student learning; experience with instructional leadership (e.g. grade level chair, team lead) a plus
• Strong attention to detail, organization, and follow-through
• Ability to work independently while maintaining periodic check-ins
• Strong project management skills with the ability to plan and move multiple aspects of a complex project forward
• Proficiency with digital productivity and collaboration tools
• Familiarity with the Fishtank Learning Math Curriculum a plus

Compensation

This is a temporary, full-time position with a salary range of $75,000 - $90,000, paid bi-monthly, based on experience and geographic location.

To Apply:

To apply, please submit a resume and a sample piece of curriculum work that you have created. Please complete your application and share your sample using this form. Only applicants that complete the form with all of the requested information will be reviewed. Note: You must be logged into a gmail account to complete this form and upload materials. If you have any questions or challenges with the form, please reach out to careers@fishtanklearning.org.

Fishtank Learning, Inc. is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.