diff --git a/.circleci/config.yml b/.circleci/config.yml
index 59cd7236..5e41ee80 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -83,14 +83,14 @@ workflows:
           branches:
             only:
             - dev
-            - fix/schema
+            - fix/floating-point-arhithmetic
 
     - "build-qa":
         context: org-global
         filters:
           branches:
             only:
-            - refactor/domain-challenge
+            - qa
 
     # Production builds are exectuted only on tagged commits to the
     # master branch.
diff --git a/README.md b/README.md
index 7ecd2b8b..4456de08 100644
--- a/README.md
+++ b/README.md
@@ -22,13 +22,11 @@ Dev: [![CircleCI](https://circleci.com/gh/topcoder-platform/challenge-api/tree/d
 
 - [Resources API](https://github.com/topcoder-platform/resources-api)
 - [ES Processor](https://github.com/topcoder-platform/challenge-processor-es) - Updates data in ElasticSearch
-- [Legacy Processor](https://github.com/topcoder-platform/legacy-challenge-processor) - Moves data from DynamoDB back to Informix
-- [Legacy Migration Script](https://github.com/topcoder-platform/legacy-challenge-migration-script) - Moves data from Informix to DynamoDB
-- [Frontend App](https://github.com/topcoder-platform/challenge-engine-ui)
+- [Domain Challenge](https://github.com/topcoder-platform/domain-challenge) - Domain Challenge
 
 ## Prerequisites
 
-- [NodeJS](https://nodejs.org/en/) (v10)
+- [NodeJS](https://nodejs.org/en/) (v18+)
 - [AWS S3](https://aws.amazon.com/s3/)
 - [Elasticsearch v6](https://www.elastic.co/)
 - [Docker](https://www.docker.com/)
diff --git a/package.json b/package.json
index 7bb22c6c..c6cdb098 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
     "body-parser": "^1.15.1",
     "config": "^3.0.1",
     "cors": "^2.7.1",
+    "decimal.js": "^10.4.3",
     "deep-equal": "^2.2.0",
     "dotenv": "^8.2.0",
     "elasticsearch": "^16.7.3",
diff --git a/src/common/challenge-helper.js b/src/common/challenge-helper.js
index ce13b8f3..a7372149 100644
--- a/src/common/challenge-helper.js
+++ b/src/common/challenge-helper.js
@@ -8,6 +8,7 @@ const config = require("config");
 const helper = require("./helper");
 const constants = require("../../app-constants");
 const axios = require("axios");
+const Decimal = require("decimal.js");
 const { getM2MToken } = require("./m2m-helper");
 const { hasAdminRole } = require("./role-helper");
 const { ensureAcessibilityToModifiedGroups } = require("./group-helper");
@@ -350,7 +351,7 @@ class ChallengeHelper {
   convertPrizeSetValuesToCents(prizeSets) {
     prizeSets.forEach((prizeSet) => {
       prizeSet.prizes.forEach((prize) => {
-        prize.amountInCents = prize.value * 100;
+        prize.amountInCents = new Decimal(prize.value).mul(100).toNumber();
         delete prize.value;
       });
     });
@@ -360,13 +361,17 @@ class ChallengeHelper {
     prizeSets.forEach((prizeSet) => {
       prizeSet.prizes.forEach((prize) => {
         if (prize.amountInCents != null) {
-          prize.value = prize.amountInCents / 100;
+          prize.value = parseFloat(new Decimal(prize.amountInCents).div(100).toFixed(2));
+
           delete prize.amountInCents;
         }
       });
     });
     if (overview && !_.isUndefined(overview.totalPrizesInCents)) {
-      overview.totalPrizes = overview.totalPrizesInCents / 100;
+      overview.totalPrizes = parseFloat(
+        new Decimal(overview.totalPrizesInCents).div(100).toFixed(2)
+      );
+
       delete overview.totalPrizesInCents;
     }
   }
diff --git a/src/common/helper.js b/src/common/helper.js
index 33044085..1a7cc32a 100644
--- a/src/common/helper.js
+++ b/src/common/helper.js
@@ -754,36 +754,21 @@ function calculateChallengeEndDate(challenge, data) {
 async function listChallengesByMember(memberId) {
   const token = await m2mHelper.getM2MToken();
   let allIds = [];
-  // get search is paginated, we need to get all pages' data
-  let page = 1;
-  while (true) {
-    let result = {};
-    try {
-      result = await axios.get(`${config.RESOURCES_API_URL}/${memberId}/challenges`, {
-        headers: { Authorization: `Bearer ${token}` },
-        params: {
-          page,
-          perPage: 10000,
-        },
-      });
-    } catch (e) {
-      // only log the error but don't throw it, so the following logic can still be executed.
-      logger.debug(`Failed to get challenges that accessible to the memberId ${memberId}`, e);
-    }
-    const ids = result.data || [];
-    if (ids.length === 0) {
-      break;
-    }
-    allIds = allIds.concat(ids);
-    page += 1;
-    if (
-      result.headers &&
-      result.headers["x-total-pages"] &&
-      page > Number(result.headers["x-total-pages"])
-    ) {
-      break;
-    }
+
+  try {
+    const result = await axios.get(`${config.RESOURCES_API_URL}/${memberId}/challenges`, {
+      headers: { Authorization: `Bearer ${token}` },
+      params: {
+        useScroll: true,
+      },
+    });
+
+    allIds = result.data || [];
+  } catch (e) {
+    // only log the error but don't throw it, so the following logic can still be executed.
+    logger.debug(`Failed to get challenges that accessible to the memberId ${memberId}`, e);
   }
+
   return allIds;
 }
 
diff --git a/src/services/ChallengeService.js b/src/services/ChallengeService.js
index f96c4a9e..309cb3cf 100644
--- a/src/services/ChallengeService.js
+++ b/src/services/ChallengeService.js
@@ -149,7 +149,6 @@ async function searchChallenges(currentUser, criteria) {
       _.includes(config.SELF_SERVICE_WHITELIST_HANDLES, currentUser.handle.toLowerCase()));
 
   const includedTrackIds = _.isArray(criteria.trackIds) ? criteria.trackIds : [];
-
   const includedTypeIds = _.isArray(criteria.typeIds) ? criteria.typeIds : [];
 
   if (criteria.type) {
@@ -168,7 +167,6 @@ async function searchChallenges(currentUser, criteria) {
       criteria.trackId = _.get(trackSearchRes, "result[0].id");
     }
   }
-
   if (criteria.types) {
     for (const t of criteria.types) {
       const typeSearchRes = await ChallengeTypeService.searchChallengeTypes({ abbreviation: t });
@@ -187,7 +185,6 @@ async function searchChallenges(currentUser, criteria) {
       }
     }
   }
-
   if (criteria.typeId) {
     includedTypeIds.push(criteria.typeId);
   }
@@ -604,10 +601,10 @@ async function searchChallenges(currentUser, criteria) {
         match_phrase: { "task.isAssigned": criteria.taskIsAssigned },
       });
     }
-    if (criteria.taskMemberId || criteria.memberId) {
+    if (criteria.taskMemberId) {
       boolQuery.push({
         match_phrase: {
-          "task.memberId": criteria.taskMemberId || criteria.memberId,
+          "task.memberId": criteria.taskMemberId,
         },
       });
     }
diff --git a/yarn.lock b/yarn.lock
index 7d7fd30d..c2a451ca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1058,6 +1058,11 @@ decamelize@^1.2.0:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha512-z2S+W9X73hAUUki+N+9Za2lBlun89zigOyGrsax+KUQ6wKW4ZoWpEYBkGhQjwAjjDCkWxhY0VKEhk8wzY7F5cA==
 
+decimal.js@^10.4.3:
+  version "10.4.3"
+  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.4.3.tgz#1044092884d245d1b7f65725fa4ad4c6f781cc23"
+  integrity sha512-VBBaLc1MgL5XpzgIP7ny5Z6Nx3UrRkIViUkPUdtl9aya5amy3De1gsUUSB1g3+3sExYNjCAsAznmukyxCb1GRA==
+
 deep-eql@^4.1.2:
   version "4.1.3"
   resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-4.1.3.tgz#7c7775513092f7df98d8df9996dd085eb668cc6d"