Tech conferences come in two kinds: developer events where engineers teach engineers, and business events where software companies sell to everyone else. Both show up under the same search, so the line-up is the fastest way to tell them apart.
These are the upcoming software, developer, data and security events with the biggest published line-ups, with how many CTOs and engineering leaders are on stage.
The 15 below are the biggest line-ups out of 1077 upcoming tech conferences. The full calendar has every one of them by month.
The WeAreDevelopers World Congress is described as the world's largest event for developers, AI builders, and tech leaders.
439 speakers · 195 sponsors and exhibitors · 46 of the speakers are CTOs and engineering leaders
Most common roles on stage: Engineers (129), Founders & execs (83), CTO / VP Eng (46)
Viva Technology is a technology and innovation event that brings together business leaders, startups, investors, and media.
34 speakers · 592 sponsors and exhibitors
Most common roles on stage: Founders & execs (6), Academic (1)
Singapore FinTech Festival 2026 is a global gathering bringing together policy, finance, and technology leaders.
115 speakers · 445 sponsors and exhibitors · 2 of the speakers are CTOs and engineering leaders
Most common roles on stage: Founders & execs (44), Marketing (4), Consultants (3)
CommunicAsia is Asia's largest ICT stage, bringing together communication service providers, technology vendors, system integrators, and enterprises to explore the future of connectivity.
11 speakers · 439 sponsors and exhibitors · 1 of the speakers are CTOs and engineering leaders
Most common roles on stage: Engineers (2), Founders & execs (2), Academic (1)
Identiverse is a global event dedicated to digital identity, security, and digital trust.
240 speakers · 166 sponsors and exhibitors · 10 of the speakers are CTOs and engineering leaders
Most common roles on stage: Founders & execs (50), Engineers (32), Product (27)
FinTech Connect provides financial institutions and fintechs direct access to technologies, strategic insights, and partnerships to drive innovation and scale.
294 speakers · 100 sponsors and exhibitors · 3 of the speakers are CTOs and engineering leaders
Most common roles on stage: Founders & execs (84), Marketing (15), Product (10)
Big Data & AI World Madrid is an event focused on data innovation, advanced analytics, and artificial intelligence in Spain.
353 speakers · 14 sponsors and exhibitors · 5 of the speakers are CTOs and engineering leaders
Most common roles on stage: Founders & execs (42), Marketing (31), Data & AI (22)
Cyber Security World Madrid is a major cybersecurity event in Spain for corporate, business, and institutional cybersecurity.
351 speakers · 13 sponsors and exhibitors · 5 of the speakers are CTOs and engineering leaders
Most common roles on stage: Founders & execs (42), Marketing (31), Sales (22)
IT-Tage is an IT conference focusing on software development, architecture, DevOps, AI, databases, and IT security.
285 speakers · 45 sponsors and exhibitors · 2 of the speakers are CTOs and engineering leaders
Most common roles on stage: Engineers (5), Consultants (2), CTO / VP Eng (2)
KubeCon + CloudNativeCon North America brings together maintainers, platform teams, AI infrastructure engineers, and end users to solve production problems across Kubernetes, cloud native, and AI.
77 speakers · 250 sponsors and exhibitors · 3 of the speakers are CTOs and engineering leaders
Most common roles on stage: Engineers (20), Founders & execs (6), DevRel (4)
SuperAI is Asia's largest AI event bringing together industry leaders, builders, and startups.
120 speakers · 195 sponsors and exhibitors · 2 of the speakers are CTOs and engineering leaders
Most common roles on stage: Founders & execs (48), Academic (5), Engineers (5)
Shoptalk Spring is a major retail event that brings together decision-makers across the retail, consumer brand, and technology landscapes.
297 sponsors and exhibitors
Conf42 DevOps 2027 is an online conference focused on DevOps practices and technology.
289 sponsors and exhibitors
Digital Insurance MENA 2027 is a global event designed to help insurers transform and succeed in the digital revolution through innovation and insurtech collaboration.
211 speakers · 66 sponsors and exhibitors
Most common roles on stage: Founders & execs (4)
Observability 2027 is an online tech conference focused on observability practices and tooling.
276 sponsors and exhibitors
Ranked by the size of the published line-up: speakers plus sponsoring and exhibiting companies, as each event lists them on its own site. It is the best public signal of how many decision-makers will be in the room. One edition per event series, upcoming events only, refreshed monthly.
By published line-up, the events at the top of this list. The ranking counts speakers plus sponsoring companies and is rebuilt monthly.
Yes, together with software and developer events. Each also has its own guide, linked below.
On the full tech conference calendar, sorted by date.
Every upcoming tech conference, by month · The biggest conferences of 2026 & 2027
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