diff --git a/src/backends/julia/CMakeLists.txt b/src/backends/julia/CMakeLists.txt
--- a/src/backends/julia/CMakeLists.txt
+++ b/src/backends/julia/CMakeLists.txt
@@ -8,6 +8,7 @@
     juliakeywords.cpp
     juliahighlighter.cpp
     juliaextensions.cpp
+    juliacompletionobject.cpp
 )
 
 kconfig_add_kcfg_files(JuliaBackend_SRCS settings.kcfgc)
diff --git a/src/backends/julia/juliabackend.cpp b/src/backends/julia/juliabackend.cpp
--- a/src/backends/julia/juliabackend.cpp
+++ b/src/backends/julia/juliabackend.cpp
@@ -51,7 +51,8 @@
 Cantor::Backend::Capabilities JuliaBackend::capabilities() const
 {
     return Cantor::Backend::SyntaxHighlighting |
-        Cantor::Backend::VariableManagement;
+        Cantor::Backend::VariableManagement|
+        Cantor::Backend::Completion;
 }
 
 QString JuliaBackend::description() const
diff --git a/src/backends/julia/juliacompletionobject.h b/src/backends/julia/juliacompletionobject.h
new file mode 100644
--- /dev/null
+++ b/src/backends/julia/juliacompletionobject.h
@@ -0,0 +1,39 @@
+/*
+ *    This program is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU General Public License
+ *    as published by the Free Software Foundation; either version 2
+ *    of the License, or (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *    Boston, MA  02110-1301, USA.
+ *
+ *    ---
+ *    Copyright (C) 2016 Ivan Lakhtanov <ivan.lakhtanov@gmail.com>
+ */
+
+#pragma once
+
+#include "completionobject.h"
+
+class JuliaSession;
+
+class JuliaCompletionObject : public Cantor::CompletionObject
+{
+public:
+    JuliaCompletionObject(const QString &cmd, int index, JuliaSession *session);
+    ~JuliaCompletionObject();
+
+protected:
+    virtual bool mayIdentifierContain(QChar c) const;
+    virtual bool mayIdentifierBeginWith(QChar c) const;
+
+protected Q_SLOTS:
+    void fetchCompletions();
+};
diff --git a/src/backends/julia/juliacompletionobject.cpp b/src/backends/julia/juliacompletionobject.cpp
new file mode 100644
--- /dev/null
+++ b/src/backends/julia/juliacompletionobject.cpp
@@ -0,0 +1,68 @@
+/*
+ *    This program is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU General Public License
+ *    as published by the Free Software Foundation; either version 2
+ *    of the License, or (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *    Boston, MA  02110-1301, USA.
+ *
+ *    ---
+ *    Copyright (C) 2016 Ivan Lakhtanov <ivan.lakhtanov@gmail.com>
+ */
+
+#include <QDebug>
+
+#include "juliacompletionobject.h"
+
+#include "juliasession.h"
+#include "juliakeywords.h"
+
+JuliaCompletionObject::JuliaCompletionObject(
+    const QString &command, int index, JuliaSession *session)
+    : Cantor::CompletionObject(session)
+{
+    setLine(command, index);
+}
+
+JuliaCompletionObject::~JuliaCompletionObject()
+{
+}
+
+void JuliaCompletionObject::fetchCompletions()
+{
+    auto julia_session = dynamic_cast<JuliaSession *>(session());
+    julia_session->runJuliaCommand(
+        QString::fromLatin1(
+            "join("
+            "Base.REPL.REPLCompletions.completions(\"%1\", %2)[1],"
+            "\"__CANTOR_DELIM__\")"
+        ).arg(command()).arg(command().size())
+    );
+
+    auto result = julia_session->getOutput();
+    result.chop(1);
+    result.remove(0, 1);
+    setCompletions(result.split(QLatin1String("__CANTOR_DELIM__")));
+
+    emit fetchingDone();
+}
+
+bool JuliaCompletionObject::mayIdentifierContain(QChar c) const
+{
+    return c.isLetter() || c.isDigit() || c == QLatin1Char('_') ||
+        c == QLatin1Char('%') || c == QLatin1Char('$') || c == QLatin1Char('.');
+}
+
+bool JuliaCompletionObject::mayIdentifierBeginWith(QChar c) const
+{
+    return c.isLetter() || c == QLatin1Char('_') || c == QLatin1Char('%') ||
+        c == QLatin1Char('$');
+}
diff --git a/src/backends/julia/juliasession.h b/src/backends/julia/juliasession.h
--- a/src/backends/julia/juliasession.h
+++ b/src/backends/julia/juliasession.h
@@ -24,6 +24,7 @@
 #include "session.h"
 
 class JuliaExpression;
+class JuliaCompletionObject;
 class KProcess;
 class QDBusInterface;
 namespace Cantor {
@@ -71,6 +72,7 @@
     QMap<QString, QString> m_whos_cache;
 
     friend JuliaExpression;
+    friend JuliaCompletionObject;
 
     void runExpression(JuliaExpression *expression);
 
diff --git a/src/backends/julia/juliasession.cpp b/src/backends/julia/juliasession.cpp
--- a/src/backends/julia/juliasession.cpp
+++ b/src/backends/julia/juliasession.cpp
@@ -33,6 +33,7 @@
 #include "juliakeywords.h"
 #include "juliaextensions.h"
 #include "juliabackend.h"
+#include "juliacompletionobject.h"
 
 JuliaSession::JuliaSession(Cantor::Backend *backend)
     : Session(backend)
@@ -143,9 +144,7 @@
     const QString &command,
     int index)
 {
-    Q_UNUSED(command);
-    Q_UNUSED(index);
-    return nullptr;
+    return new JuliaCompletionObject(command, index, this);
 }
 
 QSyntaxHighlighter *JuliaSession::syntaxHighlighter(QObject *parent)