via the employer sitePosted 1 hour ago

Software Engineer, Frontend

Sift Science · San Francisco, CA, United States

Salary: Not stated
Job type: Full-time
Level: Mid level
Location type: On-site

This role is hosted on the employer site. The Apply button opens the employer's own application page there — CareerHub does not collect your application for this listing.

What this role actually involves

CareerHub analysis

Sift Science is hiring a Software Engineer, Frontend on a full-time basis in San Francisco, CA, United States. The role is on-site and pitched at mid level, so the hiring team will expect working familiarity with the core skills listed below rather than classroom exposure. The responsibilities below are the ones worth rehearsing before an interview. Sift Science operates in general, which shapes both the pace of the work and the kind of examples that land well in an interview.

About the job

Hardware programs generate far more telemetry than any team can review by hand. Sift Agents is our answer: AI agents that work alongside hardware engineers, investigating anomalies, reviewing test and flight data, and answering in minutes questions that used to take a day of scripting. This role comes with real product ownership and autonomy. You will talk directly to customers to understand how they review their machines, decide what to build, and own it from first MVP through every iteration after it ships. The surface area is wide: one day you might be polishing the micro-interactions that make the chat experience feel great, the next you might be building a bespoke caching layer for the chat messages off the main JS thread. We're heavy users of frontier agentic products ourselves and have strong opinions about what makes them great. Sift Agents is where we put those opinions to work. This is a product engineering role, not a research role. Most of the work is the hard part of making agents feel dependable in the browser: streaming interactions, long-running tasks, rendering agent output over large real-time datasets, and showing engineers exactly what an agent did and why.

Responsibilities

Requirements

Salary insight

Sift Science has not published a salary for this Software Engineer, Frontend role. That is common, and it is not a red flag by itself. Ask for the band at the first screening call — most recruiters will share it, and it saves both sides time. Before that call, decide on your own number for a mid level role in San Francisco, CA, United States. Our salary guides give a starting point, and it is far easier to negotiate from a figure you have already justified to yourself.

Browse our salary guides →

Where this role leads

1Senior Software Engineer, Frontend — depth in one area plus reliable delivery
2Lead Software Engineer, Frontend or Software Engineer, Frontend Manager — the branch point between people and craft
3Head of General function — three to six years out

How to apply for this role well

Tailoring your CV

Put the listed skills in the top third of page one. Most screens for a Software Engineer, Frontend take under a minute, and recruiters read top-down.
Mirror the language of the listing where it is honest to do so. If the advert says "Software Engineer, Frontend", write "Software Engineer, Frontend" — not a synonym an applicant tracking system will miss.
Lead each bullet with a verb and close it with a number. "Managed reporting" is invisible; "Rebuilt weekly reporting for 12 branches, cutting prep time from 6 hours to 40 minutes" is not.
Keep it to two pages and export as PDF so your layout survives.

Your cover letter

Open with the specific role and where you saw it: "I am applying for the Software Engineer, Frontend role at Sift Science." No suspense, no throat-clearing.
Paragraph two is the one that matters. Take a single requirement from the listing and give a concrete example of doing it, with the outcome.
Show that you know something about Sift Science beyond its homepage — a product decision, a market they operate in, a recent change in general.
Close with availability and a clear next step. Three to four short paragraphs, under 300 words, in the body of the email if you are applying by email.
Never send the same letter twice. Reviewers can tell, and a generic letter is worse than none.

Before you hit send

A CV tailored to this listing, saved as PDF with your name in the filename.
A short cover note that names the role and one relevant result.
Two referees who have agreed in advance to be contacted.
An account on the employer site — the employer takes applications there.

Build a CV with our free builder →

Interview preparation

Prepare a two-minute answer to "why this role at Sift Science?" that references the company's work in general.
Have three STAR stories ready — situation, task, action, result — that cover your core skills.
Expect at least one question about working on-site, especially how you keep work visible to people who cannot see your screen.
Prepare two questions of your own. Good ones: what does success look like in the first 90 days, and what does the team find hardest right now?

Read the full interview guides →

Industry context

Sift Science works in General. As the organisation, that affects how the Software Engineer, Frontend role is scoped: smaller teams tend to want breadth and a bias to action, larger ones want depth and evidence that you can work across functions. Candidates who research the sector — its customers, its regulation, its current pressures — interview noticeably better than those who research only the company.

Sift Science is hiring in San Francisco, CA, United States. This profile was created from a job posting and has not yet been expanded by the employer.

More about Sift Science →

Frequently asked questions

Is the Software Engineer, Frontend role at Sift Science remote?

No. It is an on-site role in San Francisco, CA, United States.

What salary does this role pay?

No salary has been published for this listing. Ask the recruiter for the band during the first call — it is a reasonable question and most will answer it.

How do I apply?

This listing is hosted on the employer site. The Apply button sends you to the employer's own application page there. You can also save the job here and track it from your dashboard.

How long does a response usually take?

Two to three weeks is typical. If you have heard nothing after ten working days, a short, polite follow-up to the recruiter is appropriate and will not count against you.

What experience level is required?

Mid level. If you meet roughly 70% of the requirements it is still worth applying — very few candidates match every line of a job advert.

How to apply for this role

Sift Science takes applications for this role on the employer site. Use the Apply button at the top of this page — it opens their application form directly. Save the job here first if you want to track it in your dashboard.

Apply on the employer site

Share the listing — they land on this page with the full description and can apply from here.

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