[3] He is noted for being a proponent of human-AI collaboration in fiction[4] as well as being the co-founder of Watchdog, a fact-checking organization founded partly to counter misinformation in the wake of state propaganda and inaction.

Discovering Stephen King's The Dark Tower led to him being inspired to sit down and write The Waste, which he describes as "a 130,000 word monster set in a half-magic half-tech world .. .

[18] In an (apparent) parody piece for April Fool's Day, he used observations from the project's actual data to suggest Donald Trump's victory in the 2016 United States presidential election.

[20] Wijeratne followed with his first novel, Numbercaste,[10] deemed a "staggeringly ambitious debut"[21] that garnered critical acclaim in South Asia[22][23][10] for its blend of emerging technology and socio-political critique.

It led to Wijeratne being lauded by Groundviews as the "first serious voice" in science fiction from Sri Lanka since Arthur C. Clarke,[24] and is classified as Econ-SF by the Edgeryders research network.

[27] Wijeratne subsequently self-published Omega Point, a short story invoking French philosopher Pierre Teilhard de Chardin's hypothesis of God and marrying it to the Kardashev scale.

It has been noted for subverting philosopher John Searle's Chinese room thought experiment and cementing Wijeratne's "status as one of the subcontinent’s science fiction stars".

Lawrence, Jason Werbeloff and Colby Rice, Wijeratne also launched 2054,[26][32] a shared-world cyberpunk anthology foreworded by physicist, poet and Future Chronicles editor Samuel Peralta.

[55] Wijeratne's website lists a wide range of possible influences, from novelists (such as Terry Pratchett, William Gibson, Diana Wynne Jones and others) to anime (such as Ghost in the Shell and Fullmetal Alchemist) to games (such as BioShock, Deus Ex, Halo and Final Fantasy VII).