United States · Hybrid
Senior Full-Stack Software Engineer
Neo.Tax · San Francisco Bay Area (hybrid) · Full-time · Verified 2026-09-20
Written by Maya, Index Voice at The Credit Index. maya@creditindex.org
Direct answer
Neo.Tax is hiring for Senior Full-Stack Software Engineer (Senior Engineer, hybrid, San Francisco Bay Area (hybrid)). The work sits in US R&D tax credit (Section 41); Section 174 capitalization. You apply on Credit Index with a resume. Maya reads what you upload, writes a note that quotes your file, and forwards it to the employer. She will do her best to make sure the right person is alerted. Confirm the live posting before you rely on location or seniority.
The role
What this job actually is
Senior Full-Stack Software Engineer at Neo.Tax is a Senior Engineer seat, hybrid, based in San Francisco Bay Area (hybrid). The public description centers on US R&D tax credit (Section 41); Section 174 capitalization.
What the posting asks you to do: Develop complex web applications automating enterprise tax and accounting processes Integrate payroll, project management, and financial data sources into Neo.Tax platform Ship features that directly impact customer R&D substantiation outcomes Use AI tooling to accelerate development while maintaining production quality
What they ask you to bring: Expertise in full-stack web development on modern JavaScript/TypeScript stacks Experience building data-intensive B2B SaaS products Comfort working in a small engineering team with broad ownership Interest in tax, finance, or regulated enterprise software domains Treat the employer page as the source of truth if a detail here and there diverges.
The employer
Working at Neo.Tax
Neo.Tax builds AI software that ingests enterprise systems data to automate R&D tax credit and capitalization workflows.
Neo.Tax is indexed on The Credit Index so you can open the firm profile before you apply. Claim status and Index Verified are separate from this job. An unclaimed profile still means the opening is an employer posting, not an Index role.
Industry
Program and market context
Engineering at Neo.Tax replaces months of manual R&D study work with automated pipelines. The product touches sensitive payroll and GL data requiring strong security and reliability.
Interviewers for Senior Full-Stack Software Engineer will expect you to separate eligible R&D from routine work in US R&D tax credit (Section 41); Section 174 capitalization, and to say which part of the file you personally owned.
- US R&D tax credit (Section 41)
- Section 174 capitalization
From the posting
Skills this role is hiring for
Expertise in full-stack web development on modern JavaScript/TypeScript stacks
Expertise in full-stack web development on modern JavaScript/TypeScript stacks This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Experience building data-intensive B2B SaaS products
Experience building data-intensive B2B SaaS products This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Comfort working in a small engineering team with broad ownership
Comfort working in a small engineering team with broad ownership This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Interest in tax, finance, or regulated enterprise software domains
Interest in tax, finance, or regulated enterprise software domains This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Develop complex web applications automating enterprise tax and accounting proces
Develop complex web applications automating enterprise tax and accounting processes This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Integrate payroll, project management, and financial data sources into Neo
Integrate payroll, project management, and financial data sources into Neo.Tax platform This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Ship features that directly impact customer R&D substantiation outcomes
Ship features that directly impact customer R&D substantiation outcomes This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Use AI tooling to accelerate development while maintaining production quality
Use AI tooling to accelerate development while maintaining production quality This is listed for Senior Full-Stack Software Engineer at Neo.Tax (Senior Engineer, San Francisco Bay Area (hybrid)), so a resume that skips it will not match the screen.
Maya
Interview at Neo.Tax
- Open with one file that matches Senior Full-Stack Software Engineer. Name the program (US R&D tax credit (Section 41)), who you interviewed, and what you excluded. Neo.Tax is hiring a Senior Engineer, so scope your example to that level, not a generic tax season.
- They will test the duties on the posting. Be ready to walk through: Develop complex web applications automating enterprise tax and accounting processes Use a real client industry, not a hypothetical.
- Requirements they wrote down include: Expertise in full-stack web development on modern JavaScript/TypeScript stacks If you do not have it, say so and show the closest proof. Do not rename a different credential.
- Location is San Francisco Bay Area (hybrid), workplace hybrid. State whether you can actually work that pattern. Do not promise remote if the posting says hybrid or on site.
- Neo.Tax will compare you to other Senior Engineer candidates in US R&D tax credit (Section 41); Section 174 capitalization. Close with how you review someone else's draft, because delivery quality is the job.
Preparation from the public posting. Not the employer's interview script, and not tax advice.
Maya
Resume for this role
- Put Senior Full-Stack Software Engineer language in the first two bullets: US R&D tax credit (Section 41) and Expertise in full-stack web development on modern JavaScript/TypeScript stacks
- Mirror a duty they listed, in your own facts: Integrate payroll, project management, and financial data sources into Neo.Tax platform
- Add San Francisco Bay Area (hybrid) and hybrid so a screen does not guess. Neo.Tax listed that pattern for a reason.
- Keep tools and credentials you cannot defend off the page. The requirement line to satisfy is: Experience building data-intensive B2B SaaS products
- One bullet on what you cut from a claim. Neo.Tax hires people who can hold an eligibility line, not only people who can maximize a number.
Example
Sample experience block: Senior Full-Stack Software Engineer
Illustrative for Neo.Tax. Replace every line with your work. Do not invent claim amounts, client names, or credentials. Shape it to US R&D tax credit (Section 41); Section 174 capitalization.
- Supported US R&D tax credit (Section 41) work at Senior Engineer level, including develop complex web applications automating enterprise tax and accounting processes
- Documented technical interviews and turned them into a narrative a reviewer at a firm like Neo.Tax could use.
- Checked the file against this requirement: Expertise in full-stack web development on modern JavaScript/TypeScript stacks
- Tracked more than one engagement in San Francisco Bay Area (hybrid) without dropping the eligibility line between drafts.
- Wrote down what was routine and stayed out of the claim, and why.
Before you apply
Maya's notes
- Apply on this page with your resume. Maya forwards it to Neo.Tax and writes back quoting what you uploaded.
- The employer link is still there if you also want to apply on their site. Do not submit two conflicting stories.
- Read the firm profile for Neo.Tax on the Index. Unclaimed does not mean the job is closed.
- This preparation is from the public posting. It is not Neo.Tax's interview script and not tax advice.
Answers
Questions candidates ask
- How do I apply for Senior Full-Stack Software Engineer at Neo.Tax?
- Use the apply form on this Credit Index page. Attach a PDF resume and a short note. Maya reads the file, thanks you in a note that quotes what you sent, and forwards the package to Neo.Tax. She will do her best to make sure the right person there is alerted. You can also use the employer site link.
- Where is the Senior Full-Stack Software Engineer role based?
- Neo.Tax lists San Francisco Bay Area (hybrid). Workplace pattern on this index row is hybrid. Confirm both on the live posting before you relocate or promise remote.
- What programs does this Neo.Tax role cover?
- Signals from the posting: US R&D tax credit (Section 41); Section 174 capitalization. Ask the employer if a second regime is in scope. Do not assume every incentives product sits in this seat.
- What should my resume show for Senior Full-Stack Software Engineer?
- Lead with Expertise in full-stack web development on modern JavaScript/TypeScript stacks and a duty you actually did: Develop complex web applications automating enterprise tax and accounting processes The sample block on this page is a shape, not text to copy.
- Does The Credit Index hire for this job?
- No. Neo.Tax is the hiring firm. Credit Index indexes the role and Maya forwards your resume. Index team roles are only under Join the Index.
- What happens after I submit?
- You get an email from Maya that quotes your resume and your note. Neo.Tax gets a forward with the same specifics. Maya will do her best to alert the right person. She cannot promise an interview.
Informational listing only. Not tax advice. All careers.