Speaker Bio: Principal Evangelist of ByteDance Open Source Program Office, former Technical Expert of Huawei Open Source Center, Board Director of Apache Software Foundation 2022,2023, Mentor of Apache Software Foundation Incubator, former Principal Software Engineer of Red Hat Software, initialator of Apache Local Beijing Community (ALC Beijing), more than 15 years of experience in enterprise open source middleware development, with rich experience in Java development, functional programming enthusiast.