SAN FRANCISCO — When Pinterest went public in 2019, Christine Martinez’s good friends despatched congratulations. She had worked carefully with the founders of the digital pinboard in its earliest days, and her buddies assumed she would get loaded together with them.

But as Pinterest’s stock price tag rose, turning its founders into billionaires, Ms. Martinez realized she would not be compensated or credited for her contributions, she said.

On Monday, she sued.

In a lawsuit filed in Alameda County Remarkable Court, Ms. Martinez accused Ben Silbermann and Paul Sciarra, two of Pinterest’s three co-founders, of breach of implied agreement, concept theft, unjust enrichment and unfair company tactics. Ms. Martinez produced Pinterest along with Mr. Silbermann and Mr. Sciarra, the lawsuit stated, contributing thoughts that were being “core organizing concepts,” this kind of as organizing photos on boards and enabling e-commerce.

Ms. Martinez, 40, was under no circumstances formally utilized by Pinterest, nor did she question for a deal. She was not specified stock, although she reported Pinterest’s founders experienced verbally agreed to compensate her numerous occasions.

Ms. Martinez argued that she and the founders experienced an implied contract, based on their discussions. Pinterest even named a area of its resource code right after her, according to the criticism. And she was these kinds of close pals with the co-founders that she brought them both of those household for Christmas and was a bridesmaid in Mr. Silbermann’s marriage ceremony.

“I usually predicted that when they could compensate me, they would,” she reported, introducing that she had been naïve. “There was under no circumstances a question in my mind.”

A Pinterest spokeswoman reported in a assertion that Ms. Martinez’s allegations ended up devoid of advantage and that the company would protect its placement in court docket. We are happy of what we crafted at Pinterest and take pleasure in all the Pinners who have assisted shape the platform above the years,” she claimed.

The lawsuit renews queries about whether or not Pinterest, which caters generally to feminine people, is hostile to gals and minorities in its office.

Past summertime, Ifeoma Ozoma and Aerica Shimizu Banks, two previous Pinterest staff, wrote on Twitter about the pay back disparities, retaliation and sexist, racist reviews they had experienced at the corporation. Shortly following, Francoise Brougher, Pinterest’s previous chief functioning officer, sued the business, declaring gender discrimination and retaliation.

In reaction, Pinterest staff staged a digital walkout in August final calendar year, demanding that the enterprise maximize the amount of women of all ages and minorities in its major ranks and supply additional transparency all around advertising amounts, retention and shell out.

In December, the organization agreed to a $22.5 million settlement with Ms. Brougher, such as a $2.5 million donation towards charities for women and underrepresented minorities in tech. Pinterest shareholders then sued the company and its board more than its place of work culture.

Ms. Ozoma has helped sponsor the Silenced No Extra Act in California, which will broaden defense of employees who discuss out about discrimination or harassment at perform. It was just lately passed by the Condition Legislature.

Ms. Martinez explained that she was not surprised to see the headlines about Pinterest’s culture and that she experienced been frustrated by the disconnect between the company’s male founders and its woman buyers.

“I’ve used a good deal of decades remaining definitely confused about how it is that folks believe that that these a few gentlemen made a item like this for gals — that they understood gals nicely enough,” she reported.

Starting off in 2008, the yr right before Pinterest was founded, Mr. Silbermann and Mr. Sciarra sought Ms. Martinez’s information on a broad vary of concepts, from its name and capabilities to its promoting strategy and product road map, according to the lawsuit.

Ms. Martinez experienced analyzed interior design and style, created a way of living weblog and launched LAMA Models, an e-commerce start off-up. Even while LAMA’s organization model labored and was exhibiting assure, undertaking capitalists did not get her severely, and she reported she had struggled to raise dollars.

But funding for Pinterest, based mostly on very little extra than an thought and Mr. Silbermann’s and Mr. Sciarra’s qualifications, came a lot easier. Ms. Martinez explained she was eager to support her good friends.

“They experienced no marketing background or skills in making a item for girls,” she reported. “My function was constantly to teach them.”

In accordance to the lawsuit, Ms. Martinez gave the co-founders the strategy of organizing illustrations or photos on “boards,” a main feature of the web site made its connect with-to-motion phrase, “Pin it” and set up its primary groups such as house décor, manner and D.I.Y. She also helped Mr. Silbermann persuade best style and design and life-style bloggers to use Pinterest and boost it. She took him to conferences, gathered feedback from the local community and honed the pitch to them, she reported.

Ms. Martinez claimed she recognized she would not be compensated only soon after Pinterest went community in 2019.

Quickly soon after, she mentioned, a demise in the relatives brought about her to reflect on her daily life. That emboldened her to communicate up about Pinterest.

“I couldn’t just take this to my grave,” she mentioned.