The president has brought innovation, jobs and growth. Still, resentments fester on the eve of the presidential election.PARIS — In full Steve Jobs mode, President Emmanuel Macron of France donned a black turtleneck in January and took to Twitter to celebrate the creation in France of 25 “unicorn” start-ups — companies with a market value of over 1 billion euros, or almost $1.1 billion.He declared that France’s start-up economy was “changing the lives of French people” and “strengthening our sovereignty.” It was also helping to create jobs: Unemployment has fallen to 7.4 percent, the lowest level in a decade.The start-up boom was a milestone for a young president elected five years ago as a restless disrupter, promising to pry open the economy and make it competitive in the 21st century.To some extent, Mr. Macron has succeeded, luring billions of euros in foreign investments and creating hundreds of thousands of new jobs, many in tech start-ups, in a country whose resistance to change is stubborn. But disruption is just that, and the president has at the same time left many French feeling unsettled and unhappy, left behind or ignored.As Mr. Macron seeks re-election starting on Sunday, it is two countries that will vote — a mainly urban France that sees the need for change to meet the era’s sweeping technological and economic challenges, and a France of the “periphery,” wary of innovation, struggling to get by, alarmed by immigration and resentful of a leader seen as embodying the arrogance of the privileged.Which France shows up at voting booths in greater numbers will determine the outcome.Campaign posters on display this month in the northeastern French town of Stiring-Wendel.Andrea Mantovani for The New York TimesIn many Western societies, the simultaneous spread of technology and inequality has posed acute problems, stirring social tensions, and France has proved no exception. If the disenchanted France prevails, Marine Le Pen, the perennial candidate of the nationalist right, will most likely prevail, too.Worried that he may have lost the left by favoring start-up entrepreneurship and market reforms, Mr. Macron has in the past week been multiplying appeals to the left, resorting to phrases like “our lives are worth more than their profits” to suggest his perceived rightward lurch was not the whole story.He told France Inter radio that “fraternity” was the most important word in the French national motto, and said during a visit to Brittany that “solidarity” and “equality of opportunity” would be the central themes of an eventual second term.Learn More About France’s Presidential ElectionThe run-up to the first round of the election has been dominated by issues such as security, immigration and national identity.On the Scene: A Times reporter attended a rally held by Marine Le Pen, the far-right French presidential candidate. Here is what he saw.Challenges to Re-election: A troubled factory in President Emmanuel Macron’s hometown shows his struggle in winning the confidence of French workers.A Late Surge: After recently rising in voter surveys, Jean-Luc Mélenchon could become the first left-wing candidate since 2012 to reach the second round of the election.A Political Bellwether: Auxerre has backed the winner in the presidential race for 40 years. This time, many residents see little to vote for.The pledges looked like signs of growing anxiety about the election’s outcome. After several months in which Mr. Macron’s re-election had appeared virtually assured, the gap between him and Ms. Le Pen has closed. The leading two candidates in Sunday’s vote will go through to a runoff on April 24.The election will be largely decided by perceptions of the economy. In Mr. Macron’s favor, the country has bounced back faster than expected from coronavirus lockdowns, with economic growth reaching 7 percent after a devastating pandemic-induced recession.Marine Le Pen speaking this month in Stiring-Wendel.Andrea Mantovani for The New York TimesThe most significant cultural transformation has come in the area of tech, where Mr. Macron’s determination to create a start-up culture centered around new technology has brought changes the government considers essential to the future of France.Cédric O, the secretary of state for the digital sector, wearing jeans and a white dress shirt, no tie, admits to being obsessed. Day after long day, he plots the future of “la French tech” from his spacious office at the Finance Ministry.Five years ago, that may have seemed quixotic, but something has stirred. “It’s vital to be obsessed because the risk France and Europe are facing is to be kicked out of history,” Mr. O, 39, said, borrowing a line often used by Mr. Macron. “We have to get back into the international technological race.”Toward that end, Mr. Macron opened Station F, a mammoth incubator project in Paris representing France’s start-up ambitions, and earmarked nearly €10 billion in tax credits and other inducements to lure research activity and artificial intelligence business. A new bank was created to help finance start-ups.The president wined and dined multinational chief executives, creating an annual gathering at Versailles called “Choose France.”Since 2019, France has become the leading destination for foreign investment in Europe, and more than 70 investment projects worth €12 billion have been pledged by foreign multinationals at the Versailles gatherings, said Franck Riester, France’s foreign trade minister.In the past four years, IBM, SAP of Germany and DeepMind, the London-based machine learning company owned by Google’s parent, Alphabet, have increased investment in France and created thousands of jobs.Station F, a mammoth project in Paris that represents France’s start-up ambitions.Roberto Frankenberg for The New York TimesFacebook and Google have also bolstered their French presence and their artificial intelligence teams in Paris. Salesforce, the American cloud computing company, is moving ahead with over €2 billion in pledged investments.“Macron brought a culture shift where France was suddenly open to the world of funders,” said Thomas Clozel, a doctor by training and the founder in 2016 of Owkin, a start-up that uses Artificial Intelligence to personalize and improve medical treatment. “He made everything easy for start-up entrepreneurs and so changed the view of France as an anticapitalist society.”François Hollande, Mr. Macron’s Socialist Party predecessor, had famously declared in 2012: “My enemy is the world of finance.” As a result, Mr. Clozel said, securing funds as a French start-up was so problematic that he chose to incorporate in the United States.No longer.“Today, I am thinking of reincorporating in France,” he said. “The ease of dealing with the government, the consortium of start-ups helping one another, and the new French tech pride are compelling.”Among the start-ups that have had a significant effect on French life are Doctolib, a website that allows patients to arrange for medical appointments and tests online, and Backmarket, an online market for reconditioned tech gadgets that just became France’s most valuable start-up, at $5.7 billion.They began life before Mr. Macron took office, but have grown exponentially in the past five years.“I have made 56 investments in the last two years, and 53 of them are in France,” said Jonathan Benhamou, a French entrepreneur who founded PeopleDoc, a company that simplifies access to information for human resources departments.Now funding new ventures and focusing on a new start-up called Resilience in the field of personalized cancer care, Mr. Benhamou credits Mr. Macron with “giving investors confidence in stability and creating a virtuous cycle.”Talented engineers no longer go elsewhere because there is an “ecosystem” for them in France, Mr. O said.Yellow Vest protesters blocking a road in Caen, in France’s Normandy region, in November 2018.Charly Triballeau/Agence France-Presse — Getty ImagesMr. Macron has insisted that opening the economy is consistent with maintaining protections for French workers and that the arrival of la French tech does not mean the embrace of the no-holds-barred capitalism behind the churn of American creativity.Despite the president’s overhauls, France remains one of the most expensive countries for payroll taxes, according to the Organization for Economic Cooperation and Development, with hourly labor costs of nearly €38, close to levels seen in Sweden, Norway and other northern European countries.“We know that we have to go further,” Mr. Riester, the foreign trade minister, said in a recent interview. “We still have some brakes that could be taken off the economy, and we have to cut some red tape in the future.”Who Is Running for President of France?Card 1 of 6The campaign begins. 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