diff --git a/src-tauri/src/services/filter_engine.rs b/src-tauri/src/services/filter_engine.rs
new file mode 100644
index 0000000..2334dcf
--- /dev/null
+++ b/src-tauri/src/services/filter_engine.rs
@@ -0,0 +1,212 @@
+use crate::models::tracker::{Filter, FilterGroup};
+use crate::services::tuleap_client::extract_artifact_field_values;
+
+pub fn apply_filters(
+    artifacts: &[serde_json::Value],
+    filter_groups: &[FilterGroup],
+) -> Vec<serde_json::Value> {
+    if filter_groups.is_empty() {
+        return artifacts.to_vec();
+    }
+    artifacts
+        .iter()
+        .filter(|a| matches_all_groups(a, filter_groups))
+        .cloned()
+        .collect()
+}
+
+fn matches_all_groups(artifact: &serde_json::Value, groups: &[FilterGroup]) -> bool {
+    groups.iter().all(|g| matches_any_condition(artifact, &g.conditions))
+}
+
+fn matches_any_condition(artifact: &serde_json::Value, conditions: &[Filter]) -> bool {
+    if conditions.is_empty() {
+        return true;
+    }
+    conditions.iter().any(|c| matches_condition(artifact, c))
+}
+
+fn matches_condition(artifact: &serde_json::Value, condition: &Filter) -> bool {
+    let field_values = extract_artifact_field_values(artifact, &condition.field);
+    match condition.operator.as_str() {
+        "Equals" => {
+            condition.value.len() == 1
+                && field_values.iter().any(|v| v == &condition.value[0])
+        }
+        "NotEquals" => {
+            condition.value.len() == 1
+                && !field_values.iter().any(|v| v == &condition.value[0])
+        }
+        "In" => field_values.iter().any(|v| condition.value.contains(v)),
+        "NotIn" => !field_values.iter().any(|v| condition.value.contains(v)),
+        _ => false,
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde_json::json;
+
+    fn make_artifact(status: &str, assigned: &str, priority: &str) -> serde_json::Value {
+        json!({
+            "id": 123,
+            "title": "Test ticket",
+            "values": [
+                {
+                    "field_id": 1,
+                    "label": "Status",
+                    "type": "sb",
+                    "values": [{ "id": 1, "label": status }]
+                },
+                {
+                    "field_id": 2,
+                    "label": "Assigned to",
+                    "type": "msb",
+                    "bind_value_objects": [{ "id": 2, "display_name": assigned }]
+                },
+                {
+                    "field_id": 3,
+                    "label": "Priority",
+                    "type": "sb",
+                    "values": [{ "id": 3, "label": priority }]
+                }
+            ]
+        })
+    }
+
+    #[test]
+    fn test_empty_filters_returns_all() {
+        let artifacts = vec![
+            make_artifact("Nouveau", "Alice", "Haute"),
+            make_artifact("Ferme", "Bob", "Basse"),
+        ];
+        let result = apply_filters(&artifacts, &[]);
+        assert_eq!(result.len(), 2);
+    }
+
+    #[test]
+    fn test_single_in_filter() {
+        let artifacts = vec![
+            make_artifact("Nouveau", "Alice", "Haute"),
+            make_artifact("Ferme", "Bob", "Basse"),
+        ];
+        let groups = vec![FilterGroup {
+            conditions: vec![Filter {
+                field: "Status".to_string(),
+                operator: "In".to_string(),
+                value: vec!["Nouveau".to_string()],
+            }],
+        }];
+        let result = apply_filters(&artifacts, &groups);
+        assert_eq!(result.len(), 1);
+        assert_eq!(result[0]["values"][0]["values"][0]["label"], "Nouveau");
+    }
+
+    #[test]
+    fn test_or_within_group() {
+        let artifacts = vec![
+            make_artifact("Nouveau", "Alice", "Haute"),
+            make_artifact("A traiter", "Bob", "Moyenne"),
+            make_artifact("Ferme", "Carol", "Basse"),
+        ];
+        let groups = vec![FilterGroup {
+            conditions: vec![
+                Filter {
+                    field: "Status".to_string(),
+                    operator: "Equals".to_string(),
+                    value: vec!["Nouveau".to_string()],
+                },
+                Filter {
+                    field: "Status".to_string(),
+                    operator: "Equals".to_string(),
+                    value: vec!["A traiter".to_string()],
+                },
+            ],
+        }];
+        let result = apply_filters(&artifacts, &groups);
+        assert_eq!(result.len(), 2);
+    }
+
+    #[test]
+    fn test_and_across_groups() {
+        let artifacts = vec![
+            make_artifact("Nouveau", "Team Maintenance", "Haute"),
+            make_artifact("A traiter", "Other Team", "Moyenne"),
+            make_artifact("Ferme", "Team Maintenance", "Basse"),
+        ];
+        let groups = vec![
+            FilterGroup {
+                conditions: vec![Filter {
+                    field: "Status".to_string(),
+                    operator: "In".to_string(),
+                    value: vec!["Nouveau".to_string(), "A traiter".to_string()],
+                }],
+            },
+            FilterGroup {
+                conditions: vec![Filter {
+                    field: "Assigned to".to_string(),
+                    operator: "In".to_string(),
+                    value: vec!["Team Maintenance".to_string()],
+                }],
+            },
+        ];
+        let result = apply_filters(&artifacts, &groups);
+        assert_eq!(result.len(), 1);
+        assert_eq!(result[0]["values"][0]["values"][0]["label"], "Nouveau");
+    }
+
+    #[test]
+    fn test_not_in_filter() {
+        let artifacts = vec![
+            make_artifact("Nouveau", "Alice", "Haute"),
+            make_artifact("Ferme", "Bob", "Basse"),
+            make_artifact("Ferme", "Carol", "Moyenne"),
+        ];
+        let groups = vec![FilterGroup {
+            conditions: vec![Filter {
+                field: "Status".to_string(),
+                operator: "NotIn".to_string(),
+                value: vec!["Ferme".to_string()],
+            }],
+        }];
+        let result = apply_filters(&artifacts, &groups);
+        assert_eq!(result.len(), 1);
+        assert_eq!(result[0]["values"][0]["values"][0]["label"], "Nouveau");
+    }
+
+    #[test]
+    fn test_equals_filter() {
+        let artifacts = vec![
+            make_artifact("Nouveau", "Alice", "Haute"),
+            make_artifact("Nouveau", "Bob", "Basse"),
+            make_artifact("Ferme", "Carol", "Haute"),
+        ];
+        let groups = vec![FilterGroup {
+            conditions: vec![Filter {
+                field: "Priority".to_string(),
+                operator: "Equals".to_string(),
+                value: vec!["Haute".to_string()],
+            }],
+        }];
+        let result = apply_filters(&artifacts, &groups);
+        assert_eq!(result.len(), 2);
+    }
+
+    #[test]
+    fn test_no_match_returns_empty() {
+        let artifacts = vec![
+            make_artifact("Nouveau", "Alice", "Haute"),
+            make_artifact("A traiter", "Bob", "Moyenne"),
+        ];
+        let groups = vec![FilterGroup {
+            conditions: vec![Filter {
+                field: "Status".to_string(),
+                operator: "Equals".to_string(),
+                value: vec!["Ferme".to_string()],
+            }],
+        }];
+        let result = apply_filters(&artifacts, &groups);
+        assert_eq!(result.len(), 0);
+    }
+}
diff --git a/src-tauri/src/services/mod.rs b/src-tauri/src/services/mod.rs
index 3d4d3e4..3470561 100644
--- a/src-tauri/src/services/mod.rs
+++ b/src-tauri/src/services/mod.rs
@@ -1,2 +1,3 @@
 pub mod crypto;
+pub mod filter_engine;
 pub mod tuleap_client;