diff --git a/.github/workflows/gradle_branch.yml b/.github/workflows/gradle_branch.yml
new file mode 100644
index 0000000000..85594b3549
--- /dev/null
+++ b/.github/workflows/gradle_branch.yml
@@ -0,0 +1,31 @@
+# This workflow will build a Java project with Gradle
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Branch
+
+on:
+  push:
+    branches-ignore: [ '3.x' ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Cache Gradle packages
+      uses: actions/cache@v2
+      with:
+        path: ~/.gradle/caches
+        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+        restore-keys: ${{ runner.os }}-gradle
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build branch without snapshot
+      run: ./gradlew -PreleaseMode=pr build --stacktrace
+    - name: Upload to Codecov  
+      uses: codecov/codecov-action@v1
\ No newline at end of file
diff --git a/.github/workflows/gradle_pr.yml b/.github/workflows/gradle_pr.yml
new file mode 100644
index 0000000000..bb10853960
--- /dev/null
+++ b/.github/workflows/gradle_pr.yml
@@ -0,0 +1,31 @@
+# This workflow will build a Java project with Gradle
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: PR
+
+on:
+  pull_request:
+    branches: [ 3.x, 3.x_GHA ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Cache Gradle packages
+      uses: actions/cache@v2
+      with:
+        path: ~/.gradle/caches
+        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+        restore-keys: ${{ runner.os }}-gradle
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build PR
+      run: ./gradlew -PreleaseMode=pr build --stacktrace
+    - name: Upload to Codecov  
+      uses: codecov/codecov-action@v1
\ No newline at end of file
diff --git a/.github/workflows/gradle_release.yml b/.github/workflows/gradle_release.yml
new file mode 100644
index 0000000000..6e4457a883
--- /dev/null
+++ b/.github/workflows/gradle_release.yml
@@ -0,0 +1,49 @@
+# This workflow will build a Java project with Gradle
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Release
+
+on:
+  release:
+    branches: [ '3.x' ]
+    tags:
+      - 'v3.*.*'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    env:
+      # Define secrets at https://github.com/ReactiveX/RxJava/settings/secrets/actions
+      # ------------------------------------------------------------------------------ 
+      bintrayUser: ${{ secrets.BINTRAY_USER }}
+      bintrayKey: ${{ secrets.BINTRAY_KEY }}
+      sonatypeUsername: ${{ secrets.SONATYPE_USER }}
+      sonatypePassword: ${{ secrets.SONATYPE_PASSWORD }}
+      JAVADOCS_TOKEN: ${{ secrets.JAVADOCS_TOKEN }}
+      # ------------------------------------------------------------------------------ 
+      CI_BUILD_NUMBER: ${{ github.run_number }}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Cache Gradle packages
+      uses: actions/cache@v2
+      with:
+        path: ~/.gradle/caches
+        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+        restore-keys: ${{ runner.os }}-gradle
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Grant execute permission for push
+      run: chmod +x push_javadoc.sh
+    - name: Extract version tag
+      run: echo "BUILD_TAG=${GITHUB_REF:10}" >> $GITHUB_ENV
+    - name: Build and Release
+      run: ./gradlew -PreleaseMode=full -PbintrayUser="${bintrayUser}" -PbintrayKey="${bintrayKey}" -PsonatypeUsername="${sonatypeUsername}" -PsonatypePassword="${sonatypePassword}" build --stacktrace
+    - name: Upload to Codecov  
+      uses: codecov/codecov-action@v1
+    - name: Push Javadocs
+      run: ./push_javadoc.sh
\ No newline at end of file
diff --git a/.github/workflows/gradle_snapshot.yml b/.github/workflows/gradle_snapshot.yml
new file mode 100644
index 0000000000..a6042fe8ec
--- /dev/null
+++ b/.github/workflows/gradle_snapshot.yml
@@ -0,0 +1,45 @@
+# This workflow will build a Java project with Gradle
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Snapshot
+
+on:
+  push:
+    branches: [ '3.x' ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    env:
+      # Define secrets at https://github.com/ReactiveX/RxJava/settings/secrets/actions
+      # ------------------------------------------------------------------------------ 
+      bintrayUser: ${{ secrets.BINTRAY_USER }}
+      bintrayKey: ${{ secrets.BINTRAY_KEY }}
+      sonatypeUsername: ${{ secrets.SONATYPE_USER }}
+      sonatypePassword: ${{ secrets.SONATYPE_PASSWORD }}
+      JAVADOCS_TOKEN: ${{ secrets.JAVADOCS_TOKEN }}
+      # ------------------------------------------------------------------------------ 
+      CI_BUILD_NUMBER: ${{ github.run_number }}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Cache Gradle packages
+      uses: actions/cache@v2
+      with:
+        path: ~/.gradle/caches
+        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+        restore-keys: ${{ runner.os }}-gradle
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Grant execute permission for push
+      run: chmod +x push_javadoc.sh
+    - name: Build and Snapshot branch
+      run: ./gradlew -PreleaseMode=branch -PbintrayUser="${bintrayUser}" -PbintrayKey="${bintrayKey}" -PsonatypeUsername="${sonatypeUsername}" -PsonatypePassword="${sonatypePassword}" build --stacktrace
+    - name: Upload to Codecov  
+      uses: codecov/codecov-action@v1
+    - name: Push Javadocs
+      run: ./push_javadoc.sh
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 6e595b4e93..0000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-language: java
-jdk:
-- openjdk8
-
-# prevent travis running gradle assemble; let the build script do it anyway
-install: true
-
-# running in container causes test failures and 2x-3x longer build, use standalone instances
-sudo: required
-
-# script for build and release via Travis to Bintray
-script: gradle/buildViaTravis.sh
-
-# Code coverage
-after_success:
-  - bash <(curl -s --retry 10 https://codecov.io/bash)
-  - bash gradle/push_javadoc.sh
-
-# cache between builds
-cache:
-  directories:
-  - $HOME/.m2
-  - $HOME/.gradle
-env:
-  global:
-  - secure: YcLpYfNc/dyDON+oDvnJK5pFNhpPeJHxlAHV8JBt42e51prAl6njqrg1Qlfdp0pvBiskTPQHUxbFy9DOB1Z+43lPj5vlqz6qBgtS3vtBnsrczr+5Xx7NTdVKq6oZGl45VjfNPT7zdM6GQ5ifdzOid6kJIFu34g9JZkCzOY3BWGM=
-  - secure: WVmfSeW1UMNdem7+X4cVDjkEkqdeNavYH4udn3bFN1IFaWdliWFp4FYVBVi+p1T/IgkRSqzoW9Bm43DABe1UMFoErFCbfd7B0Ofgb4NZAsxFgokHGVLCe6k5+rQyASseiO7k0itSj3Kq9TrDueKPhv+g+IG0w1A8yZTnXdhXHvY=
-  - secure: Xt8E09nmSr+5r7ly95hG/EiBitZbhFGPRGp8oqPkNn1A2fzG9+hnvlNLgQhVPsISZGzJwkWa3LGBxAVGmuysVOz7eCwkoqlDZaaSLYAPfWXqkr+cmYGPkErgHSp+n/hnQG4TylX0YxzqX8flr6db21zWyNduiyHmo+xFydI5LeM=
-  - secure: RmpIsmYa5BdLLWR6DILjhEE/dx2q3O0NIkvnMx5G1cyRCNCrOf1B7fYFHnsTDwpvRA+6H6dZinmeyf6D3G+czOG5q/TW2jcu5nh+YOLhBb6jPIqRDfq/WHAa5Lkdssxs5g9RdWlEDVFMoE62lGc4cnfJz5F5puH29dy2SvXxIQw=
diff --git a/build.gradle b/build.gradle
index 0b72b82524..c13005541b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,7 +42,7 @@ ext.githubProjectName = "rxjava"
 
 version = project.properties["release.version"]
 
-def releaseTag = System.getenv("TRAVIS_TAG");
+def releaseTag = System.getenv("BUILD_TAG");
 if (releaseTag != null && !releaseTag.isEmpty()) {
     if (releaseTag.startsWith("v")) {
         releaseTag = releaseTag.substring(1);
diff --git a/gradle/buildViaTravis.sh b/gradle/buildViaTravis.sh
deleted file mode 100755
index ea385c3e92..0000000000
--- a/gradle/buildViaTravis.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/bash
-# This script will build the project.
-
-buildTag="$TRAVIS_TAG"
-
-if [ "$buildTag" != "" ] && [ "${buildTag:0:3}" != "v3." ]; then
-   echo -e "Wrong tag on the 3.x brach: $buildTag : build stopped"
-   exit 1
-fi
-
-export GRADLE_OPTS=-Xmx1024m
-
-if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
-  echo -e "Build Pull Request #$TRAVIS_PULL_REQUEST => Branch [$TRAVIS_BRANCH]"
-  ./gradlew -PreleaseMode=pr build --stacktrace
-elif [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ "$TRAVIS_TAG" == "" ]; then
-  if [ "$TRAVIS_BRANCH" != "3.x" ]; then
-     echo -e 'Build secondary Branch (no snapshot) => Branch ['$TRAVIS_BRANCH']'
-     ./gradlew -PreleaseMode=pr build --stacktrace
-  else
-     echo -e 'Build Branch with Snapshot => Branch ['$TRAVIS_BRANCH']'
-     ./gradlew -PreleaseMode=branch -PbintrayUser="${bintrayUser}" -PbintrayKey="${bintrayKey}" -PsonatypeUsername="${sonatypeUsername}" -PsonatypePassword="${sonatypePassword}" build --stacktrace
-  fi
-elif [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ "$TRAVIS_TAG" != "" ]; then
-  echo -e 'Build Branch for Release => Branch ['$TRAVIS_BRANCH']  Tag ['$TRAVIS_TAG']'
-  ./gradlew -PreleaseMode=full -PbintrayUser="${bintrayUser}" -PbintrayKey="${bintrayKey}" -PsonatypeUsername="${sonatypeUsername}" -PsonatypePassword="${sonatypePassword}" build --stacktrace
-else
-  echo -e 'WARN: Should not be here => Branch ['$TRAVIS_BRANCH']  Tag ['$TRAVIS_TAG']  Pull Request ['$TRAVIS_PULL_REQUEST']'
-fi
diff --git a/gradle/push_javadoc.sh b/gradle/push_javadoc.sh
index c8f648258e..28ce74f1db 100644
--- a/gradle/push_javadoc.sh
+++ b/gradle/push_javadoc.sh
@@ -8,21 +8,9 @@
 targetRepo=github.com/ReactiveX/RxJava.git
 # =======================================================================
 
-# only for main pushes, for now
-if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
-	echo -e "Pull request detected, skipping JavaDocs pushback."
-	exit 0
-fi
-
-# only when on the 3.x branch and not tagged
-if [ "$TRAVIS_BRANCH" != "3.x" ] && [ "$TRAVIS_TAG" == "" ]; then
-    echo -e "On a secondary branch '$TRAVIS_BRANCH', skipping JavaDocs pushback."
-    exit 0
-fi
-
 # get the current build tag if any
-buildTag="$TRAVIS_TAG"
-echo -e "Travis tag: '$buildTag'"
+buildTag="$BUILD_TAG"
+echo -e "Build tag: '$buildTag'"
 
 if [ "$buildTag" == "" ]; then
    buildTag="snapshot"
@@ -33,18 +21,18 @@ fi
 echo -e "JavaDocs pushback for tag: $buildTag"
 
 # check if the token is actually there
-if [ "$GITHUB_TOKEN" == "" ]; then
+if [ "$JAVADOCS_TOKEN" == "" ]; then
 	echo -e "No access to GitHub, skipping JavaDocs pushback."
 	exit 0
 fi
 
 # prepare the git information
-git config --global user.email "travis@travis-ci.org"
-git config --global user.name "Travis CI"
+git config --global user.email "akarnokd+ci@gmail.com"
+git config --global user.name "akarnokd+ci"
 
 # setup the remote
 echo -e "Adding the target repository to git"
-git remote add origin-pages https://${GITHUB_TOKEN}@${targetRepo} > /dev/null 2>&1
+git remote add origin-pages https://${JAVADOCS_TOKEN}@${targetRepo} > /dev/null 2>&1
 
 # stash changes due to chmod
 echo -e "Stashing any local non-ignored changes"
@@ -119,8 +107,8 @@ echo -e "Removing deleted files"
 git add -u
 
 # commit all
-echo -e "commit Travis build: $TRAVIS_BUILD_NUMBER for $buildTag"
-git commit --message "Travis build: $TRAVIS_BUILD_NUMBER for $buildTag"
+echo -e "commit CI build: $CI_BUILD_NUMBER for $buildTag"
+git commit --message "CI build: $CI_BUILD_NUMBER for $buildTag"
 
 # debug file list
 #find -name "*.html"