Rivera's film debut is her antagonist role in Always Be My Maybe by Star Cinema, starring Arci Muñoz and Gerald Anderson. She also became a member of Girl Trends on ABS-CBN's noontime show It's Showtime.
2016–present: Drama Roles
Recently, Rivera made her television acting debut via Magpahanggang Wakas, where she played Chesca Lozado, Jena and Tristan's mean and tough daughter and shared credits with Muñoz, Gelli de Belen and John Estrada. She will be paired up with Marco Gumabao. Later, after appearing in that show she appeared in some episodes in Maalaala Mo Kaya and played various roles in that show. She was also seen in Ipaglaban Mo! episodes.
2017–present: Main, recurring and villain roles
Maika became a regular guest in It's Showtime and appeared in the show's segment Girltrends as a member, FUNanghalian as a member/leader, Cash-Ya! Kaya! and COPY-CUT. Later, she appeared in La Luna Sangre along with co-stars Kathryn Bernardo, Daniel Padilla, Angel Locsin, Richard Gutierrez and others and she portrayed Malina, a cruel and unsympathetic vampire, Supremo's loyal servant and Malia and Tristan's enemy, Malina dies at the LLU massacre after Malia killed the other evil vampires that kills humans. Right after La Luna Sangre, she played another recurring role in the one of the most watched TV series in Philippines Wildflower, she portrayed Stefanie Oytengco, Divine's eldest daughter and the one who manages Divine's jewelry shop, in the series her mother was kidnapped by Lily Cruz to gain information about Emilia's criminal acts. Later after Lily successfully destroys Emilia's illegal jewelry business. Stefani was killed by Emilia's hired killers along with Divine and her siblings. Later after playing a special recurring role in that series. She appeared in the highest rating Philippine television drama-action-suspense series topbilled by Erich Gonzales in three characters: Erika, Carrie, and Agatha. Produced by Dreamscape Entertainment and directed by Jojo Saguin, that tackles the issue surrogacy, The Blood Sisters along with Erich Gonzales, Ejay Falcon, Enchong Dee, and AJ Muhlach where she played the evil cousin of Erich Gonzales character. Shortly therefore, she reprises her role in the remake of the 1999 hit TV series, and rehashing the subplot of Saan Ka Man Naroroon where Claudine Barreto played triplets with distinct contrasting characteristics, and today Erika Erich Gonzales played the triplets role with also different personalities or traits. Maika Rivera played the pivotal villain role of Andrea Bermudez in that series, Andrea is the mean cousin of the triplets, at first she is happy and free spirited but later it is revealed that she is greedy, self-centered, envious, ruthless, scolding and cunning. She opposes the triplets. Andrea is the treacherous relative who masterminds Rosemarie's accident. She tries to murder her grandmother because Rosemarie refuses to help her ailing daughter in law. She is a sophisticated girl who resents the appearance of the triplets in her life. Andrea schemes to destroy them as she intends to be the sole beneficiary of the Bermudez wealth. She is very wicked and ruthless person who will do anything to get what she wants,. She is the character who creates tension and conflict in the family dynamics.
