Arcesium LLC, a financial technology and professional services firm, has expanded its India-based operations with a new office in Bengaluru. The office is expected to start operations in the second quarter of 2021 with 200 employees, with the potential to grow to 500 employees over the upcoming year. Arcesium expects to complete 2021 with a team of more than 1,500 employees in India. Arcesium is backed by D.E. Shaw, Blackstone and J.P. Morgan, which acquired a stake earlier in 2020.