diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 000000000..a39d287a0
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,100 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node:8
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run: yarn install
+      - run: sudo npm i truffle -g
+      - run: node --version
+      - run: truffle version
+      - run: truffle compile
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+  test:
+    docker:
+      - image: circleci/node:8
+    parallelism: 2
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run: yarn install
+      - run: sudo npm i truffle -g
+      - run: node --version
+      - run: truffle version
+      - run: npm run test
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+      - store_test_results:
+          path: test-results
+      - store_artifacts:
+          path: ./test-results/mocha/results.xml
+  coverage:
+    docker:
+      - image: circleci/node:8
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run: yarn install
+      - run: sudo npm i truffle -g
+      - run: node --version
+      - run: truffle version
+      - run: 
+          command: npm run coverage
+          no_output_timeout: 1h
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+      - store_artifacts:
+          path: ./coverage/lcov.info
+  docs:
+    docker:
+      - image: circleci/node:8
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run: yarn install
+      - run: sudo npm i truffle -g
+      - run: node --version
+      - run: truffle version
+      - run: npm run docs
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+workflows:
+  version: 2
+  commit:
+    jobs:
+      - coverage
+  daily-builds:
+    triggers:
+      - schedule:
+          cron: "0 0 * * *"
+          filters:
+            branches:
+              only:
+                - master
+                - dev-2.1.0
+                - dev-2.2.0
+                - dev-3.0.0
+    jobs:
+      - coverage
+  docs:
+    jobs:
+      - docs:
+          filters:
+            branches:
+              only:
+                - master
diff --git a/.gitignore b/.gitignore
index 395634f11..dac654947 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,4 +22,5 @@ bridge.log
 allFiredEvents
 extract/
 extract.py
-extract.zip
\ No newline at end of file
+extract.zip
+/test-results
diff --git a/.travis.yml b/.travis.yml
index 2265b2d88..b676c5840 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,24 +4,11 @@ node_js:
 cache:
   directories:
   - node_modules
-matrix:
-  fast_finish: true
-  allow_failures:
-    - env: 'TASK=docs'
 jobs:
   include:
-    - stage: Tests and Coverage
-      after_install: wget -O node_modules/solidity-coverage/lib/app.js https://raw.githubusercontent.com/maxsam4/solidity-coverage/relative-path/lib/app.js
+    - stage: test
       before_script: truffle version
       script: npm run test
-    - stage: Docs
-      env: 'TASK=docs'
-      before_install: 
-        - echo -ne '\n' | sudo apt-add-repository -y ppa:hvr/z3
-        - sudo apt-get -y update
-        - sudo apt-get -y install libz3-dev 
-      before_script: wget -O node_modules/solidity-docgen/lib/index.js https://raw.githubusercontent.com/maxsam4/solidity-docgen/buffer-size/lib/index.js
-      script: npm run docs
 notifications:
   slack:
     secure: 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
\ No newline at end of file
diff --git a/package.json b/package.json
index 653adb2b1..b3a27f280 100644
--- a/package.json
+++ b/package.json
@@ -88,6 +88,7 @@
     "ethereum-bridge": "^0.6.1",
     "ethereumjs-abi": "^0.6.5",
     "ganache-cli": "^6.1.8",
+    "mocha-junit-reporter": "^1.18.0",
     "prettier": "^1.14.3",
     "sol-merger": "^0.1.2",
     "solidity-coverage": "^0.5.11",
diff --git a/scripts/coverage.sh b/scripts/coverage.sh
index e42ed6a84..5d1e2a24e 100755
--- a/scripts/coverage.sh
+++ b/scripts/coverage.sh
@@ -2,4 +2,4 @@
 
 rm -rf flat
 
-TRAVIS_PULL_REQUEST=true scripts/test.sh
\ No newline at end of file
+COVERAGE=true scripts/test.sh
\ No newline at end of file
diff --git a/scripts/test.sh b/scripts/test.sh
index 6dd3ce95a..9f595d0ba 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -19,11 +19,7 @@ cleanup() {
   fi
 }
 
-if ! [ -z "${TRAVIS_PULL_REQUEST+x}" ] && [ "$TRAVIS_PULL_REQUEST" != false ]; then
-  testrpc_port=8545
-else
-  testrpc_port=8545
-fi
+testrpc_port=8545
 
 testrpc_running() {
   nc -z localhost "$testrpc_port"
@@ -60,20 +56,19 @@ start_testrpc() {
     --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501209,1000000000000000000000000"
   )
 
-  if ! [ -z "${TRAVIS_PULL_REQUEST+x}" ] && [ "$TRAVIS_PULL_REQUEST" != false ]; then
+  if [ "$COVERAGE" = true ]; then
     node_modules/.bin/testrpc-sc --gasLimit 0xfffffffffff --port "$testrpc_port" "${accounts[@]}" > /dev/null &
   else
     node_modules/.bin/ganache-cli --gasLimit 8000000 "${accounts[@]}" > /dev/null &
   fi
 
-
   testrpc_pid=$!
 }
 
 if testrpc_running; then
   echo "Using existing testrpc instance"
-  # Do not start ethereum bridge unless it is a cron job from travis
-  if [ "$TRAVIS_EVENT_TYPE" = "cron" ]; then
+  # Do not start ethereum bridge unless it is a cron job
+  if [ "$CIRCLE_CI_CRON" = true ]; then
     bridge_running
     if bridge_running; then
       echo "Using existing ethereum-bridge instance"
@@ -85,24 +80,32 @@ if testrpc_running; then
 else
   echo "Starting our own testrpc instance"
   start_testrpc
-  # Do not start ethereum bridge unless it is a cron job from travis
-  if [ "$TRAVIS_EVENT_TYPE" = "cron" ]; then
+  # Do not start ethereum bridge unless it is a cron job
+  if [ "$CIRCLE_CI_CRON" = true ]; then
     echo "Starting our own ethereum-bridge instance"
     sleep 10
     start_bridge
   fi
 fi
 
-if ! [ -z "${TRAVIS_PULL_REQUEST+x}" ] && [ "$TRAVIS_PULL_REQUEST" != false ]; then
+if [ "$COVERAGE" = true ]; then
   curl -o node_modules/solidity-coverage/lib/app.js https://raw.githubusercontent.com/maxsam4/solidity-coverage/relative-path/lib/app.js
   node_modules/.bin/solidity-coverage
-  if [ "$CONTINUOUS_INTEGRATION" = true ]; then
+  if [ "$CIRCLECI" = true ]; then
     cat coverage/lcov.info | node_modules/.bin/coveralls
   fi
 else
-  # Do not run a_poly_oracle,js tests unless it is a cron job from travis
-  if [ "$TRAVIS_EVENT_TYPE" = "cron" ]; then
-    node_modules/.bin/truffle test `ls test/*.js`
+  if [ "$CIRCLECI" = true ]; then # using mocha junit reporter for parallelism in CircleCI 
+    mkdir test-results
+    mkdir test-results/mocha
+    rm truffle-config.js
+    mv truffle-ci.js truffle-config.js
+    # only run poly oracle and upgrade tests if cron job by CI
+    if [ "$CIRCLE_CI_CRON" = true ]; then
+      node_modules/.bin/truffle test `ls test/*.js | circleci tests split --split-by=timings`
+    else
+      node_modules/.bin/truffle test `find test/*.js ! -name a_poly_oracle.js -and ! -name s_v130_to_v140_upgrade.js | circleci tests split --split-by=timings`
+    fi
   else
     node_modules/.bin/truffle test `find test/*.js ! -name a_poly_oracle.js -and ! -name s_v130_to_v140_upgrade.js`
   fi
diff --git a/truffle-ci.js b/truffle-ci.js
new file mode 100644
index 000000000..f427eb332
--- /dev/null
+++ b/truffle-ci.js
@@ -0,0 +1,33 @@
+require('babel-register');
+require('babel-polyfill');
+
+module.exports = {
+  networks: {
+    development: {
+      host: 'localhost',
+      port: 8545,
+      network_id: '*', // Match any network id
+      gas: 7900000,
+    },
+    coverage: {
+      host: "localhost",
+      network_id: "*",
+      port: 8545,         // <-- If you change this, also set the port option in .solcover.js.
+      gas: 0xfffffffffff, // <-- Use this high gas value
+      gasPrice: 0x01      // <-- Use this low gas price
+    }
+  },
+  solc: {
+    optimizer: {
+      enabled: true,
+      runs: 200,
+    },
+  },
+  mocha: {
+    enableTimeouts: false,
+    reporter: "mocha-junit-reporter",
+    reporterOptions: {
+      mochaFile: './test-results/mocha/results.xml'
+    }
+  }
+};
diff --git a/yarn.lock b/yarn.lock
index 63f3ead17..6357fb487 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1377,6 +1377,11 @@ chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
 
+charenc@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
+  integrity sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=
+
 checkpoint-store@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/checkpoint-store/-/checkpoint-store-1.1.0.tgz#04e4cb516b91433893581e6d4601a78e9552ea06"
@@ -1694,14 +1699,11 @@ cron-parser@^2.4.0:
     is-nan "^1.2.1"
     moment-timezone "^0.5.0"
 
-cross-spawn@^5.0.1:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
-  dependencies:
-    lru-cache "^4.0.1"
-    shebang-command "^1.2.0"
-    which "^1.2.9"
-
+crypt@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
+  integrity sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs=
+  
 cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
@@ -3557,7 +3559,7 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
-is-buffer@^1.1.5:
+is-buffer@^1.1.5, is-buffer@~1.1.1:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
 
@@ -4219,6 +4221,15 @@ md5.js@^1.3.4:
     inherits "^2.0.1"
     safe-buffer "^5.1.2"
 
+md5@^2.1.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/md5/-/md5-2.2.1.tgz#53ab38d5fe3c8891ba465329ea23fac0540126f9"
+  integrity sha1-U6s41f48iJG6RlMp6iP6wFQBJvk=
+  dependencies:
+    charenc "~0.0.1"
+    crypt "~0.0.1"
+    is-buffer "~1.1.1"
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -4418,12 +4429,23 @@ mkdirp-promise@^5.0.1:
   dependencies:
     mkdirp "*"
 
-mkdirp@*, mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@0.x.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
+mkdirp@*, mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@0.x.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
+mocha-junit-reporter@^1.18.0:
+  version "1.18.0"
+  resolved "https://registry.yarnpkg.com/mocha-junit-reporter/-/mocha-junit-reporter-1.18.0.tgz#9209a3fba30025ae3ae5e6bfe7f9c5bc3c2e8ee2"
+  integrity sha512-y3XuqKa2+HRYtg0wYyhW/XsLm2Ps+pqf9HaTAt7+MVUAKFJaNAHOrNseTZo9KCxjfIbxUWwckP5qCDDPUmjSWA==
+  dependencies:
+    debug "^2.2.0"
+    md5 "^2.1.0"
+    mkdirp "~0.5.1"
+    strip-ansi "^4.0.0"
+    xml "^1.0.0"
+
 mocha@^4.0.1, mocha@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-4.1.0.tgz#7d86cfbcf35cb829e2754c32e17355ec05338794"
@@ -7192,6 +7214,11 @@ xhr@^2.0.4, xhr@^2.2.0, xhr@^2.3.3:
     parse-headers "^2.0.0"
     xtend "^4.0.0"
 
+xml@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/xml/-/xml-1.0.1.tgz#78ba72020029c5bc87b8a81a3cfcd74b4a2fc1e5"
+  integrity sha1-eLpyAgApxbyHuKgaPPzXS0ovweU=
+
 xmlhttprequest@*, xmlhttprequest@1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz#67fe075c5c24fef39f9d65f5f7b7fe75171968fc"